id	sid	tid	token	lemma	pos
esrj-59640	1	1	palabras	palabras	PROPN
esrj-59640	1	2	clave	clave	PROPN
esrj-59640	1	3	:	:	PUNCT
esrj-59640	1	4	imagen	imagen	PROPN
esrj-59640	1	5	sísmica	sísmica	PROPN
esrj-59640	1	6	;	;	PUNCT
esrj-59640	1	7	inversión	inversión	PROPN
esrj-59640	1	8	de	de	PROPN
esrj-59640	1	9	onda	onda	PROPN
esrj-59640	1	10	completa	completa	PROPN
esrj-59640	1	11	;	;	PUNCT
esrj-59640	1	12	ecuación	ecuación	PROPN
esrj-59640	1	13	de	de	PROPN
esrj-59640	1	14	onda	onda	PROPN
esrj-59640	1	15	acústica	acústica	PROPN
esrj-59640	1	16	;	;	PUNCT
esrj-59640	1	17	modelo	modelo	PROPN
esrj-59640	1	18	de	de	PROPN
esrj-59640	1	19	velocidad	velocidad	PROPN
esrj-59640	1	20	marmousi	marmousi	PROPN
esrj-59640	1	21	;	;	PUNCT
esrj-59640	1	22	desenfoque	desenfoque	ADJ
esrj-59640	1	23	gausiano	gausiano	NOUN
esrj-59640	1	24	.	.	PUNCT
esrj-59640	2	1	how	how	SCONJ
esrj-59640	2	2	to	to	PART
esrj-59640	2	3	cite	cite	VERB
esrj-59640	2	4	item	item	NOUN
esrj-59640	2	5	singh	singh	PROPN
esrj-59640	2	6	,	,	PUNCT
esrj-59640	2	7	s.	s.	PROPN
esrj-59640	2	8	,	,	PUNCT
esrj-59640	2	9	kanli	kanli	PROPN
esrj-59640	2	10	,	,	PUNCT
esrj-59640	2	11	a.	a.	NOUN
esrj-59640	2	12	i.	i.	PROPN
esrj-59640	2	13	,	,	PUNCT
esrj-59640	2	14	&	&	CCONJ
esrj-59640	2	15	mukhopadhyay	mukhopadhyay	PROPN
esrj-59640	2	16	,	,	PUNCT
esrj-59640	2	17	s.	s.	PROPN
esrj-59640	2	18	(	(	PUNCT
esrj-59640	2	19	2018	2018	NUM
esrj-59640	2	20	)	)	PUNCT
esrj-59640	2	21	.	.	PUNCT
esrj-59640	3	1	full	full	ADJ
esrj-59640	3	2	waveform	waveform	NOUN
esrj-59640	3	3	inversion	inversion	NOUN
esrj-59640	3	4	in	in	ADP
esrj-59640	3	5	time	time	NOUN
esrj-59640	3	6	and	and	CCONJ
esrj-59640	3	7	frequency	frequency	NOUN
esrj-59640	3	8	domain	domain	NOUN
esrj-59640	3	9	of	of	ADP
esrj-59640	3	10	velocity	velocity	NOUN
esrj-59640	3	11	modeling	modeling	NOUN
esrj-59640	3	12	in	in	ADP
esrj-59640	3	13	seismic	seismic	ADJ
esrj-59640	3	14	imaging	imaging	NOUN
esrj-59640	3	15	:	:	PUNCT
esrj-59640	3	16	fwisimat	fwisimat	ADJ
esrj-59640	3	17	a	a	DET
esrj-59640	3	18	matlab	matlab	PROPN
esrj-59640	3	19	code	code	PROPN
esrj-59640	3	20	.	.	PUNCT
esrj-59640	4	1	earth	earth	PROPN
esrj-59640	4	2	sciences	sciences	PROPN
esrj-59640	4	3	research	research	PROPN
esrj-59640	4	4	journal	journal	PROPN
esrj-59640	4	5	,	,	PUNCT
esrj-59640	4	6	22(4	22(4	NUM
esrj-59640	4	7	)	)	PUNCT
esrj-59640	4	8	,	,	PUNCT
esrj-59640	4	9	291	291	NUM
esrj-59640	4	10	-	-	SYM
esrj-59640	4	11	300	300	NUM
esrj-59640	4	12	.	.	PUNCT
esrj-59640	5	1	doi	doi	NOUN
esrj-59640	5	2	:	:	PUNCT
esrj-59640	5	3	https://doi.org/10.15446/esrj.v22n4.59640	https://doi.org/10.15446/esrj.v22n4.59640	NUM
esrj-59640	5	4	this	this	DET
esrj-59640	5	5	paper	paper	NOUN
esrj-59640	5	6	investigates	investigate	VERB
esrj-59640	5	7	the	the	DET
esrj-59640	5	8	capability	capability	NOUN
esrj-59640	5	9	of	of	ADP
esrj-59640	5	10	acoustic	acoustic	ADJ
esrj-59640	5	11	full	full	ADJ
esrj-59640	5	12	waveform	waveform	NOUN
esrj-59640	5	13	inversion	inversion	NOUN
esrj-59640	5	14	(	(	PUNCT
esrj-59640	5	15	fwi	fwi	NOUN
esrj-59640	5	16	)	)	PUNCT
esrj-59640	5	17	in	in	ADP
esrj-59640	5	18	building	build	VERB
esrj-59640	5	19	marmousi	marmousi	ADJ
esrj-59640	5	20	velocity	velocity	NOUN
esrj-59640	5	21	model	model	NOUN
esrj-59640	5	22	,	,	PUNCT
esrj-59640	5	23	in	in	ADP
esrj-59640	5	24	time	time	NOUN
esrj-59640	5	25	and	and	CCONJ
esrj-59640	5	26	frequency	frequency	NOUN
esrj-59640	5	27	domain	domain	NOUN
esrj-59640	5	28	.	.	PUNCT
esrj-59640	6	1	fwi	fwi	PROPN
esrj-59640	6	2	is	be	AUX
esrj-59640	6	3	an	an	DET
esrj-59640	6	4	iterative	iterative	ADJ
esrj-59640	6	5	minimization	minimization	NOUN
esrj-59640	6	6	of	of	ADP
esrj-59640	6	7	misfit	misfit	NOUN
esrj-59640	6	8	between	between	ADP
esrj-59640	6	9	observed	observed	ADJ
esrj-59640	6	10	and	and	CCONJ
esrj-59640	6	11	calculated	calculate	VERB
esrj-59640	6	12	data	datum	NOUN
esrj-59640	6	13	which	which	PRON
esrj-59640	6	14	is	be	AUX
esrj-59640	6	15	generally	generally	ADV
esrj-59640	6	16	solved	solve	VERB
esrj-59640	6	17	in	in	ADP
esrj-59640	6	18	three	three	NUM
esrj-59640	6	19	segments	segment	NOUN
esrj-59640	6	20	,	,	PUNCT
esrj-59640	6	21	i.e.	i.e.	X
esrj-59640	6	22	,	,	PUNCT
esrj-59640	6	23	forward	forward	ADV
esrj-59640	6	24	modeling	modeling	NOUN
esrj-59640	6	25	,	,	PUNCT
esrj-59640	6	26	which	which	PRON
esrj-59640	6	27	numerically	numerically	ADV
esrj-59640	6	28	solves	solve	VERB
esrj-59640	6	29	the	the	DET
esrj-59640	6	30	wave	wave	NOUN
esrj-59640	6	31	equation	equation	NOUN
esrj-59640	6	32	with	with	ADP
esrj-59640	6	33	an	an	DET
esrj-59640	6	34	initial	initial	ADJ
esrj-59640	6	35	model	model	NOUN
esrj-59640	6	36	,	,	PUNCT
esrj-59640	6	37	gradient	gradient	ADJ
esrj-59640	6	38	computation	computation	NOUN
esrj-59640	6	39	of	of	ADP
esrj-59640	6	40	the	the	DET
esrj-59640	6	41	objective	objective	ADJ
esrj-59640	6	42	function	function	NOUN
esrj-59640	6	43	,	,	PUNCT
esrj-59640	6	44	and	and	CCONJ
esrj-59640	6	45	updating	update	VERB
esrj-59640	6	46	the	the	DET
esrj-59640	6	47	model	model	NOUN
esrj-59640	6	48	parameters	parameter	NOUN
esrj-59640	6	49	,	,	PUNCT
esrj-59640	6	50	with	with	ADP
esrj-59640	6	51	a	a	DET
esrj-59640	6	52	valid	valid	ADJ
esrj-59640	6	53	optimization	optimization	NOUN
esrj-59640	6	54	method	method	NOUN
esrj-59640	6	55	.	.	PUNCT
esrj-59640	7	1	fwi	fwi	ADJ
esrj-59640	7	2	codes	code	NOUN
esrj-59640	7	3	developed	develop	VERB
esrj-59640	7	4	in	in	ADP
esrj-59640	7	5	matlab	matlab	PROPN
esrj-59640	7	6	herein	herein	NOUN
esrj-59640	7	7	fwisimat	fwisimat	ADJ
esrj-59640	7	8	(	(	PUNCT
esrj-59640	7	9	full	full	ADJ
esrj-59640	7	10	waveform	waveform	NOUN
esrj-59640	7	11	inversion	inversion	NOUN
esrj-59640	7	12	in	in	ADP
esrj-59640	7	13	seismic	seismic	ADJ
esrj-59640	7	14	imaging	imaging	NOUN
esrj-59640	7	15	using	use	VERB
esrj-59640	7	16	matlab	matlab	PROPN
esrj-59640	7	17	)	)	PUNCT
esrj-59640	7	18	are	be	AUX
esrj-59640	7	19	successfully	successfully	ADV
esrj-59640	7	20	implemented	implement	VERB
esrj-59640	7	21	using	use	VERB
esrj-59640	7	22	the	the	DET
esrj-59640	7	23	marmousi	marmousi	ADJ
esrj-59640	7	24	velocity	velocity	NOUN
esrj-59640	7	25	model	model	NOUN
esrj-59640	7	26	as	as	ADP
esrj-59640	7	27	the	the	DET
esrj-59640	7	28	true	true	ADJ
esrj-59640	7	29	model	model	NOUN
esrj-59640	7	30	.	.	PUNCT
esrj-59640	8	1	an	an	DET
esrj-59640	8	2	initial	initial	ADJ
esrj-59640	8	3	model	model	NOUN
esrj-59640	8	4	is	be	AUX
esrj-59640	8	5	obtained	obtain	VERB
esrj-59640	8	6	by	by	ADP
esrj-59640	8	7	smoothing	smooth	VERB
esrj-59640	8	8	the	the	DET
esrj-59640	8	9	true	true	ADJ
esrj-59640	8	10	model	model	NOUN
esrj-59640	8	11	to	to	PART
esrj-59640	8	12	initiate	initiate	VERB
esrj-59640	8	13	fwi	fwi	ADJ
esrj-59640	8	14	procedure	procedure	NOUN
esrj-59640	8	15	.	.	PUNCT
esrj-59640	9	1	smoothing	smooth	VERB
esrj-59640	9	2	ensures	ensure	VERB
esrj-59640	9	3	an	an	DET
esrj-59640	9	4	adequate	adequate	ADJ
esrj-59640	9	5	starting	starting	NOUN
esrj-59640	9	6	model	model	NOUN
esrj-59640	9	7	for	for	ADP
esrj-59640	9	8	fwi	fwi	ADJ
esrj-59640	9	9	,	,	PUNCT
esrj-59640	9	10	as	as	SCONJ
esrj-59640	9	11	the	the	DET
esrj-59640	9	12	fwi	fwi	ADJ
esrj-59640	9	13	procedure	procedure	NOUN
esrj-59640	9	14	is	be	AUX
esrj-59640	9	15	known	know	VERB
esrj-59640	9	16	to	to	PART
esrj-59640	9	17	be	be	AUX
esrj-59640	9	18	sensitive	sensitive	ADJ
esrj-59640	9	19	on	on	ADP
esrj-59640	9	20	the	the	DET
esrj-59640	9	21	starting	starting	NOUN
esrj-59640	9	22	model	model	NOUN
esrj-59640	9	23	.	.	PUNCT
esrj-59640	10	1	the	the	DET
esrj-59640	10	2	final	final	ADJ
esrj-59640	10	3	model	model	NOUN
esrj-59640	10	4	is	be	AUX
esrj-59640	10	5	compared	compare	VERB
esrj-59640	10	6	with	with	ADP
esrj-59640	10	7	the	the	DET
esrj-59640	10	8	true	true	ADJ
esrj-59640	10	9	model	model	NOUN
esrj-59640	10	10	to	to	PART
esrj-59640	10	11	review	review	VERB
esrj-59640	10	12	the	the	DET
esrj-59640	10	13	amount	amount	NOUN
esrj-59640	10	14	of	of	ADP
esrj-59640	10	15	recovered	recovered	ADJ
esrj-59640	10	16	velocities	velocity	NOUN
esrj-59640	10	17	.	.	PUNCT
esrj-59640	11	1	abstract	abstract	ADJ
esrj-59640	11	2	keywords	keyword	NOUN
esrj-59640	11	3	:	:	PUNCT
esrj-59640	11	4	seismic	seismic	ADJ
esrj-59640	11	5	imaging	imaging	NOUN
esrj-59640	11	6	,	,	PUNCT
esrj-59640	11	7	full	full	ADJ
esrj-59640	11	8	-	-	PUNCT
esrj-59640	11	9	waveform	waveform	NOUN
esrj-59640	11	10	inversion	inversion	NOUN
esrj-59640	11	11	,	,	PUNCT
esrj-59640	11	12	acoustic	acoustic	ADJ
esrj-59640	11	13	wave	wave	NOUN
esrj-59640	11	14	equation	equation	NOUN
esrj-59640	11	15	,	,	PUNCT
esrj-59640	11	16	gaussian	gaussian	ADJ
esrj-59640	11	17	smoother	smooth	ADJ
esrj-59640	11	18	,	,	PUNCT
esrj-59640	11	19	marmousi	marmousi	PROPN
esrj-59640	11	20	velocity	velocity	NOUN
esrj-59640	11	21	model	model	NOUN
esrj-59640	11	22	.	.	PUNCT
esrj-59640	12	1	full	full	ADJ
esrj-59640	12	2	waveform	waveform	NOUN
esrj-59640	12	3	inversion	inversion	NOUN
esrj-59640	12	4	in	in	ADP
esrj-59640	12	5	time	time	NOUN
esrj-59640	12	6	and	and	CCONJ
esrj-59640	12	7	frequency	frequency	NOUN
esrj-59640	12	8	domain	domain	NOUN
esrj-59640	12	9	of	of	ADP
esrj-59640	12	10	velocity	velocity	NOUN
esrj-59640	12	11	modeling	modeling	NOUN
esrj-59640	12	12	in	in	ADP
esrj-59640	12	13	seismic	seismic	ADJ
esrj-59640	12	14	imaging	imaging	NOUN
esrj-59640	12	15	:	:	PUNCT
esrj-59640	12	16	fwisimat	fwisimat	ADJ
esrj-59640	12	17	a	a	DET
esrj-59640	12	18	matlab	matlab	PROPN
esrj-59640	12	19	code	code	PROPN
esrj-59640	12	20	inversión	inversión	PROPN
esrj-59640	12	21	de	de	PROPN
esrj-59640	12	22	onda	onda	PROPN
esrj-59640	12	23	completa	completa	PROPN
esrj-59640	12	24	en	en	PROPN
esrj-59640	12	25	el	el	PROPN
esrj-59640	12	26	campo	campo	PROPN
esrj-59640	12	27	de	de	PROPN
esrj-59640	12	28	frecuencia	frecuencia	PROPN
esrj-59640	12	29	y	y	PROPN
esrj-59640	12	30	tiempo	tiempo	PROPN
esrj-59640	12	31	del	del	PROPN
esrj-59640	12	32	modelo	modelo	PROPN
esrj-59640	12	33	de	de	PROPN
esrj-59640	12	34	velocidad	velocidad	PROPN
esrj-59640	12	35	en	en	PROPN
esrj-59640	12	36	imagenes	imagenes	PROPN
esrj-59640	12	37	sísmicas	sísmicas	PROPN
esrj-59640	12	38	:	:	PUNCT
esrj-59640	12	39	el	el	PROPN
esrj-59640	12	40	código	código	PROPN
esrj-59640	12	41	matlab	matlab	PROPN
esrj-59640	12	42	fwisimat	fwisimat	PROPN
esrj-59640	12	43	issn	issn	PROPN
esrj-59640	12	44	1794	1794	NUM
esrj-59640	12	45	-	-	SYM
esrj-59640	12	46	6190	6190	NUM
esrj-59640	12	47	e	e	NOUN
esrj-59640	12	48	-	-	NOUN
esrj-59640	12	49	issn	issn	PROPN
esrj-59640	12	50	2339	2339	NUM
esrj-59640	12	51	-	-	SYM
esrj-59640	12	52	3459	3459	NUM
esrj-59640	12	53	https://doi.org/10.15446/esrj.v22n4.59640	https://doi.org/10.15446/esrj.v22n4.59640	X
esrj-59640	12	54	este	este	X
esrj-59640	12	55	trabajo	trabajo	PROPN
esrj-59640	12	56	investiga	investiga	PROPN
esrj-59640	12	57	la	la	PROPN
esrj-59640	12	58	capacidad	capacidad	PROPN
esrj-59640	12	59	de	de	PROPN
esrj-59640	12	60	la	la	PROPN
esrj-59640	12	61	inversión	inversión	PROPN
esrj-59640	12	62	de	de	PROPN
esrj-59640	12	63	onda	onda	PROPN
esrj-59640	12	64	completa	completa	PROPN
esrj-59640	12	65	(	(	PUNCT
esrj-59640	12	66	fwi	fwi	PROPN
esrj-59640	12	67	,	,	PUNCT
esrj-59640	12	68	del	del	PROPN
esrj-59640	12	69	inglés	inglés	X
esrj-59640	12	70	full	full	ADJ
esrj-59640	12	71	waveform	waveform	NOUN
esrj-59640	12	72	inversion	inversion	NOUN
esrj-59640	12	73	)	)	PUNCT
esrj-59640	12	74	en	en	ADP
esrj-59640	12	75	la	la	PRON
esrj-59640	12	76	construcción	construcción	PROPN
esrj-59640	12	77	del	del	PROPN
esrj-59640	12	78	modelo	modelo	PROPN
esrj-59640	12	79	de	de	PROPN
esrj-59640	12	80	velocidad	velocidad	PROPN
esrj-59640	12	81	marmousi	marmousi	PROPN
esrj-59640	12	82	,	,	PUNCT
esrj-59640	12	83	en	en	PROPN
esrj-59640	12	84	el	el	PROPN
esrj-59640	12	85	campo	campo	PROPN
esrj-59640	12	86	de	de	PROPN
esrj-59640	12	87	frecuencia	frecuencia	PROPN
esrj-59640	12	88	y	y	PROPN
esrj-59640	12	89	tiempo	tiempo	PROPN
esrj-59640	12	90	.	.	PUNCT
esrj-59640	13	1	la	la	PROPN
esrj-59640	13	2	inversión	inversión	PROPN
esrj-59640	13	3	de	de	PROPN
esrj-59640	13	4	onda	onda	PROPN
esrj-59640	13	5	completa	completa	PROPN
esrj-59640	13	6	es	es	PROPN
esrj-59640	13	7	una	una	PROPN
esrj-59640	13	8	minimización	minimización	PROPN
esrj-59640	13	9	repetitiva	repetitiva	PROPN
esrj-59640	13	10	compleja	compleja	PROPN
esrj-59640	13	11	entre	entre	PROPN
esrj-59640	13	12	la	la	PROPN
esrj-59640	13	13	información	información	PROPN
esrj-59640	13	14	observada	observada	PROPN
esrj-59640	13	15	y	y	PROPN
esrj-59640	13	16	la	la	PROPN
esrj-59640	13	17	calculada	calculada	PROPN
esrj-59640	13	18	que	que	PROPN
esrj-59640	13	19	generalmente	generalmente	PROPN
esrj-59640	13	20	se	se	PROPN
esrj-59640	13	21	resuelve	resuelve	VERB
esrj-59640	13	22	en	en	X
esrj-59640	13	23	tres	tres	X
esrj-59640	13	24	segmentos	segmentos	ADV
esrj-59640	13	25	:	:	PUNCT
esrj-59640	13	26	modelado	modelado	ADJ
esrj-59640	13	27	directo	directo	X
esrj-59640	13	28	,	,	PUNCT
esrj-59640	13	29	que	que	X
esrj-59640	13	30	numéricamente	numéricamente	X
esrj-59640	13	31	resuelve	resuelve	VERB
esrj-59640	13	32	la	la	PRON
esrj-59640	13	33	ecuación	ecuación	ADJ
esrj-59640	13	34	de	de	X
esrj-59640	13	35	onda	onda	PROPN
esrj-59640	13	36	con	con	PROPN
esrj-59640	13	37	un	un	PROPN
esrj-59640	13	38	modelo	modelo	PROPN
esrj-59640	13	39	inicial	inicial	PROPN
esrj-59640	13	40	;	;	PUNCT
esrj-59640	13	41	la	la	X
esrj-59640	13	42	computación	computación	X
esrj-59640	13	43	de	de	X
esrj-59640	13	44	gradiente	gradiente	X
esrj-59640	13	45	de	de	X
esrj-59640	13	46	la	la	X
esrj-59640	13	47	función	función	PROPN
esrj-59640	13	48	objetiva	objetiva	PROPN
esrj-59640	13	49	,	,	PUNCT
esrj-59640	13	50	y	y	PROPN
esrj-59640	13	51	la	la	PROPN
esrj-59640	13	52	actualización	actualización	PROPN
esrj-59640	13	53	de	de	PROPN
esrj-59640	13	54	los	los	PROPN
esrj-59640	13	55	parámetros	parámetros	PROPN
esrj-59640	13	56	del	del	PROPN
esrj-59640	13	57	modelo	modelo	PROPN
esrj-59640	13	58	,	,	PUNCT
esrj-59640	13	59	con	con	PROPN
esrj-59640	13	60	un	un	PROPN
esrj-59640	13	61	método	método	PROPN
esrj-59640	13	62	de	de	X
esrj-59640	13	63	optimización	optimización	NOUN
esrj-59640	13	64	válido	válido	NOUN
esrj-59640	13	65	.	.	PUNCT
esrj-59640	14	1	los	los	PROPN
esrj-59640	14	2	códigos	códigos	PROPN
esrj-59640	14	3	de	de	PROPN
esrj-59640	14	4	la	la	PROPN
esrj-59640	14	5	inversión	inversión	PROPN
esrj-59640	14	6	de	de	PROPN
esrj-59640	14	7	onda	onda	PROPN
esrj-59640	14	8	completa	completa	PROPN
esrj-59640	14	9	desarrollados	desarrollados	PROPN
esrj-59640	14	10	en	en	PROPN
esrj-59640	14	11	matlab	matlab	PROPN
esrj-59640	14	12	(	(	PUNCT
esrj-59640	14	13	fwisimat	fwisimat	PROPN
esrj-59640	14	14	)	)	PUNCT
esrj-59640	14	15	fueron	fueron	PROPN
esrj-59640	14	16	implementados	implementado	NOUN
esrj-59640	14	17	éxitosamente	éxitosamente	PROPN
esrj-59640	14	18	con	con	PROPN
esrj-59640	14	19	el	el	PROPN
esrj-59640	14	20	modelo	modelo	PROPN
esrj-59640	14	21	de	de	PROPN
esrj-59640	14	22	velocidad	velocidad	PROPN
esrj-59640	14	23	marmousi	marmousi	PROPN
esrj-59640	14	24	como	como	PROPN
esrj-59640	14	25	modelo	modelo	PROPN
esrj-59640	14	26	verdadero	verdadero	PROPN
esrj-59640	14	27	.	.	PUNCT
esrj-59640	14	28	se	se	PROPN
esrj-59640	15	1	obtuvo	obtuvo	PROPN
esrj-59640	15	2	un	un	PROPN
esrj-59640	15	3	modelo	modelo	PROPN
esrj-59640	15	4	inicial	inicial	PROPN
esrj-59640	15	5	tras	tras	PROPN
esrj-59640	15	6	igualar	igualar	PROPN
esrj-59640	15	7	el	el	PROPN
esrj-59640	15	8	modelo	modelo	PROPN
esrj-59640	15	9	verdadero	verdadero	PROPN
esrj-59640	15	10	para	para	PROPN
esrj-59640	15	11	iniciar	iniciar	PROPN
esrj-59640	15	12	el	el	PROPN
esrj-59640	15	13	procedimiento	procedimiento	PROPN
esrj-59640	15	14	de	de	PROPN
esrj-59640	15	15	inversión	inversión	PROPN
esrj-59640	15	16	de	de	PROPN
esrj-59640	15	17	onda	onda	PROPN
esrj-59640	15	18	completa	completa	PROPN
esrj-59640	15	19	.	.	PUNCT
esrj-59640	16	1	la	la	PROPN
esrj-59640	16	2	igualación	igualación	PROPN
esrj-59640	16	3	asegura	asegura	PROPN
esrj-59640	16	4	un	un	PROPN
esrj-59640	16	5	modelo	modelo	PROPN
esrj-59640	16	6	inicial	inicial	PROPN
esrj-59640	16	7	adecuado	adecuado	PROPN
esrj-59640	16	8	para	para	PROPN
esrj-59640	16	9	la	la	PROPN
esrj-59640	16	10	inversión	inversión	PROPN
esrj-59640	16	11	de	de	PROPN
esrj-59640	16	12	onda	onda	PROPN
esrj-59640	16	13	completa	completa	PROPN
esrj-59640	16	14	,	,	PUNCT
esrj-59640	16	15	mientras	mientras	X
esrj-59640	16	16	que	que	X
esrj-59640	16	17	este	este	X
esrj-59640	16	18	procedimiento	procedimiento	PROPN
esrj-59640	16	19	se	se	PROPN
esrj-59640	16	20	reconoce	reconoce	PROPN
esrj-59640	16	21	por	por	PROPN
esrj-59640	16	22	ser	ser	NOUN
esrj-59640	16	23	sensitivo	sensitivo	PROPN
esrj-59640	16	24	al	al	PROPN
esrj-59640	16	25	modelo	modelo	PROPN
esrj-59640	16	26	inicial	inicial	PROPN
esrj-59640	16	27	.	.	PUNCT
esrj-59640	17	1	el	el	PROPN
esrj-59640	17	2	modelo	modelo	PROPN
esrj-59640	17	3	final	final	PROPN
esrj-59640	17	4	se	se	X
esrj-59640	17	5	compara	compara	PROPN
esrj-59640	17	6	con	con	PROPN
esrj-59640	17	7	el	el	PROPN
esrj-59640	17	8	modelo	modelo	PROPN
esrj-59640	17	9	verdadero	verdadero	PROPN
esrj-59640	17	10	para	para	PROPN
esrj-59640	17	11	revisar	revisar	VERB
esrj-59640	17	12	el	el	PROPN
esrj-59640	17	13	número	número	PROPN
esrj-59640	17	14	de	de	PROPN
esrj-59640	17	15	velocidades	velocidade	NOUN
esrj-59640	17	16	recuperadas	recuperadas	VERB
esrj-59640	17	17	.	.	PUNCT
esrj-59640	18	1	resumen	resuman	NOUN
esrj-59640	18	2	record	record	PROPN
esrj-59640	18	3	manuscript	manuscript	NOUN
esrj-59640	18	4	received	receive	VERB
esrj-59640	18	5	:	:	PUNCT
esrj-59640	18	6	18/08/2017	18/08/2017	NUM
esrj-59640	18	7	accepted	accept	VERB
esrj-59640	18	8	for	for	ADP
esrj-59640	18	9	publication	publication	NOUN
esrj-59640	18	10	:	:	PUNCT
esrj-59640	18	11	29/06/2018	29/06/2018	NUM
esrj-59640	18	12	earth	earth	NOUN
esrj-59640	18	13	sciences	sciences	PROPN
esrj-59640	18	14	research	research	PROPN
esrj-59640	18	15	journal	journal	PROPN
esrj-59640	18	16	earth	earth	PROPN
esrj-59640	18	17	sci	sci	PROPN
esrj-59640	18	18	.	.	PUNCT
esrj-59640	19	1	res	res	PROPN
esrj-59640	19	2	.	.	PUNCT
esrj-59640	20	1	j.	j.	PROPN
esrj-59640	20	2	vol	vol	PROPN
esrj-59640	20	3	.	.	PROPN
esrj-59640	21	1	22	22	NUM
esrj-59640	21	2	,	,	PUNCT
esrj-59640	21	3	no	no	INTJ
esrj-59640	21	4	.	.	NOUN
esrj-59640	21	5	4	4	NUM
esrj-59640	21	6	(	(	PUNCT
esrj-59640	21	7	december	december	PROPN
esrj-59640	21	8	,	,	PUNCT
esrj-59640	21	9	2018	2018	NUM
esrj-59640	21	10	):	):	PUNCT
esrj-59640	21	11	291	291	NUM
esrj-59640	21	12	-	-	SYM
esrj-59640	21	13	300	300	NUM
esrj-59640	21	14	sagar	sagar	PROPN
esrj-59640	21	15	singha	singha	PROPN
esrj-59640	21	16	,	,	PUNCT
esrj-59640	21	17	ali	ali	PROPN
esrj-59640	21	18	ismet	ismet	PROPN
esrj-59640	21	19	kanlib	kanlib	PROPN
esrj-59640	21	20	*	*	PUNCT
esrj-59640	21	21	,	,	PUNCT
esrj-59640	21	22	sagarika	sagarika	PROPN
esrj-59640	21	23	mukhopadhyaya	mukhopadhyaya	PROPN
esrj-59640	21	24	adepartment	adepartment	NOUN
esrj-59640	21	25	of	of	ADP
esrj-59640	21	26	earth	earth	NOUN
esrj-59640	21	27	sciences	sciences	PROPN
esrj-59640	21	28	,	,	PUNCT
esrj-59640	21	29	indian	indian	PROPN
esrj-59640	21	30	institute	institute	PROPN
esrj-59640	21	31	of	of	ADP
esrj-59640	21	32	technology	technology	PROPN
esrj-59640	21	33	roorkee	roorkee	NOUN
esrj-59640	21	34	,	,	PUNCT
esrj-59640	21	35	247667	247667	NUM
esrj-59640	21	36	,	,	PUNCT
esrj-59640	21	37	roorkee	roorkee	PROPN
esrj-59640	21	38	,	,	PUNCT
esrj-59640	21	39	india	india	PROPN
esrj-59640	21	40	.	.	PUNCT
esrj-59640	22	1	b	b	X
esrj-59640	22	2	*	*	PROPN
esrj-59640	22	3	istanbul	istanbul	PROPN
esrj-59640	22	4	university	university	PROPN
esrj-59640	22	5	-	-	PUNCT
esrj-59640	22	6	cerrahpasa	cerrahpasa	PROPN
esrj-59640	22	7	,	,	PUNCT
esrj-59640	22	8	faculty	faculty	NOUN
esrj-59640	22	9	of	of	ADP
esrj-59640	22	10	engineering	engineering	NOUN
esrj-59640	22	11	,	,	PUNCT
esrj-59640	22	12	department	department	NOUN
esrj-59640	22	13	of	of	ADP
esrj-59640	22	14	geophysical	geophysical	ADJ
esrj-59640	22	15	engineering,34320	engineering,34320	NOUN
esrj-59640	22	16	avcilar	avcilar	PROPN
esrj-59640	22	17	campus	campus	PROPN
esrj-59640	22	18	,	,	PUNCT
esrj-59640	22	19	istanbul	istanbul	PROPN
esrj-59640	22	20	-	-	PUNCT
esrj-59640	22	21	turkey	turkey	NOUN
esrj-59640	22	22	e	e	NOUN
esrj-59640	22	23	-	-	NOUN
esrj-59640	22	24	mail	mail	NOUN
esrj-59640	22	25	:	:	PUNCT
esrj-59640	22	26	kanli@istanbul.edu.tr	kanli@istanbul.edu.tr	PROPN
esrj-59640	22	27	g	g	NOUN
esrj-59640	22	28	e	e	X
esrj-59640	22	29	o	o	X
esrj-59640	22	30	ph	ph	VERB
esrj-59640	22	31	y	y	PROPN
esrj-59640	22	32	si	si	PROPN
esrj-59640	22	33	c	c	PROPN
esrj-59640	22	34	s	s	PROPN
esrj-59640	22	35	292	292	NUM
esrj-59640	22	36	sagar	sagar	NOUN
esrj-59640	22	37	singh	singh	PROPN
esrj-59640	22	38	,	,	PUNCT
esrj-59640	22	39	ali	ali	PROPN
esrj-59640	22	40	ismet	ismet	PROPN
esrj-59640	22	41	kanli	kanli	PROPN
esrj-59640	22	42	,	,	PUNCT
esrj-59640	22	43	sagarika	sagarika	PROPN
esrj-59640	22	44	mukhopadhyay	mukhopadhyay	NOUN
esrj-59640	22	45	1	1	NUM
esrj-59640	22	46	.	.	PUNCT
esrj-59640	23	1	introduction	introduction	NOUN
esrj-59640	23	2	exploration	exploration	NOUN
esrj-59640	23	3	industries	industry	NOUN
esrj-59640	23	4	commonly	commonly	ADV
esrj-59640	23	5	use	use	VERB
esrj-59640	23	6	seismic	seismic	ADJ
esrj-59640	23	7	imaging	imaging	NOUN
esrj-59640	23	8	tools	tool	NOUN
esrj-59640	23	9	,	,	PUNCT
esrj-59640	23	10	which	which	PRON
esrj-59640	23	11	allow	allow	VERB
esrj-59640	23	12	waves	wave	NOUN
esrj-59640	23	13	to	to	PART
esrj-59640	23	14	propagate	propagate	VERB
esrj-59640	23	15	through	through	ADP
esrj-59640	23	16	subsurface	subsurface	NOUN
esrj-59640	23	17	rock	rock	NOUN
esrj-59640	23	18	structure	structure	NOUN
esrj-59640	23	19	and	and	CCONJ
esrj-59640	23	20	reveal	reveal	VERB
esrj-59640	23	21	possible	possible	ADJ
esrj-59640	23	22	crude	crude	ADJ
esrj-59640	23	23	oil	oil	NOUN
esrj-59640	23	24	and	and	CCONJ
esrj-59640	23	25	natural	natural	ADJ
esrj-59640	23	26	gas	gas	NOUN
esrj-59640	23	27	bearing	bearing	NOUN
esrj-59640	23	28	formations	formation	NOUN
esrj-59640	23	29	.	.	PUNCT
esrj-59640	24	1	first	first	ADJ
esrj-59640	24	2	arrival	arrival	NOUN
esrj-59640	24	3	traveltime	traveltime	PROPN
esrj-59640	24	4	tomography	tomography	NOUN
esrj-59640	24	5	is	be	AUX
esrj-59640	24	6	a	a	DET
esrj-59640	24	7	classical	classical	ADJ
esrj-59640	24	8	seismic	seismic	ADJ
esrj-59640	24	9	imaging	imaging	NOUN
esrj-59640	24	10	method	method	NOUN
esrj-59640	24	11	that	that	PRON
esrj-59640	24	12	for	for	ADP
esrj-59640	24	13	many	many	ADJ
esrj-59640	24	14	years	year	NOUN
esrj-59640	24	15	has	have	AUX
esrj-59640	24	16	proven	prove	VERB
esrj-59640	24	17	to	to	PART
esrj-59640	24	18	be	be	AUX
esrj-59640	24	19	stable	stable	ADJ
esrj-59640	24	20	,	,	PUNCT
esrj-59640	24	21	gives	give	VERB
esrj-59640	24	22	good	good	ADJ
esrj-59640	24	23	results	result	NOUN
esrj-59640	24	24	,	,	PUNCT
esrj-59640	24	25	even	even	ADV
esrj-59640	24	26	in	in	ADP
esrj-59640	24	27	lateral	lateral	ADJ
esrj-59640	24	28	heterogeneous	heterogeneous	ADJ
esrj-59640	24	29	media	medium	NOUN
esrj-59640	24	30	(	(	PUNCT
esrj-59640	24	31	chabert	chabert	PROPN
esrj-59640	24	32	,	,	PUNCT
esrj-59640	24	33	2010	2010	NUM
esrj-59640	24	34	)	)	PUNCT
esrj-59640	24	35	.	.	PUNCT
esrj-59640	25	1	the	the	DET
esrj-59640	25	2	data	datum	NOUN
esrj-59640	25	3	set	set	VERB
esrj-59640	25	4	for	for	ADP
esrj-59640	25	5	the	the	DET
esrj-59640	25	6	inversion	inversion	NOUN
esrj-59640	25	7	is	be	AUX
esrj-59640	25	8	small	small	ADJ
esrj-59640	25	9	(	(	PUNCT
esrj-59640	25	10	consisting	consist	VERB
esrj-59640	25	11	only	only	ADV
esrj-59640	25	12	first	first	ADJ
esrj-59640	25	13	arrival	arrival	NOUN
esrj-59640	25	14	travel	travel	NOUN
esrj-59640	25	15	times	time	NOUN
esrj-59640	25	16	)	)	PUNCT
esrj-59640	25	17	,	,	PUNCT
esrj-59640	25	18	so	so	CCONJ
esrj-59640	25	19	the	the	DET
esrj-59640	25	20	method	method	NOUN
esrj-59640	25	21	is	be	AUX
esrj-59640	25	22	fast	fast	ADJ
esrj-59640	25	23	and	and	CCONJ
esrj-59640	25	24	efficient	efficient	ADJ
esrj-59640	25	25	.	.	PUNCT
esrj-59640	26	1	however	however	ADV
esrj-59640	26	2	,	,	PUNCT
esrj-59640	26	3	the	the	DET
esrj-59640	26	4	first	first	ADJ
esrj-59640	26	5	arrival	arrival	NOUN
esrj-59640	26	6	travel	travel	NOUN
esrj-59640	26	7	times	time	NOUN
esrj-59640	26	8	are	be	AUX
esrj-59640	26	9	only	only	ADV
esrj-59640	26	10	sensitive	sensitive	ADJ
esrj-59640	26	11	to	to	ADP
esrj-59640	26	12	the	the	DET
esrj-59640	26	13	long	long	ADJ
esrj-59640	26	14	wavelengths	wavelength	NOUN
esrj-59640	26	15	of	of	ADP
esrj-59640	26	16	the	the	DET
esrj-59640	26	17	medium	medium	NOUN
esrj-59640	26	18	(	(	PUNCT
esrj-59640	26	19	chabert	chabert	PROPN
esrj-59640	26	20	,	,	PUNCT
esrj-59640	26	21	2010	2010	NUM
esrj-59640	26	22	)	)	PUNCT
esrj-59640	26	23	which	which	PRON
esrj-59640	26	24	limits	limit	VERB
esrj-59640	26	25	the	the	DET
esrj-59640	26	26	possible	possible	ADJ
esrj-59640	26	27	resolution	resolution	NOUN
esrj-59640	26	28	of	of	ADP
esrj-59640	26	29	the	the	DET
esrj-59640	26	30	final	final	ADJ
esrj-59640	26	31	estimated	estimate	VERB
esrj-59640	26	32	model	model	NOUN
esrj-59640	26	33	.	.	PUNCT
esrj-59640	27	1	another	another	DET
esrj-59640	27	2	disadvantage	disadvantage	NOUN
esrj-59640	27	3	of	of	ADP
esrj-59640	27	4	the	the	DET
esrj-59640	27	5	method	method	NOUN
esrj-59640	27	6	is	be	AUX
esrj-59640	27	7	the	the	DET
esrj-59640	27	8	picking	picking	NOUN
esrj-59640	27	9	of	of	ADP
esrj-59640	27	10	the	the	DET
esrj-59640	27	11	first	first	ADJ
esrj-59640	27	12	arrivals	arrival	NOUN
esrj-59640	27	13	from	from	ADP
esrj-59640	27	14	the	the	DET
esrj-59640	27	15	seismic	seismic	ADJ
esrj-59640	27	16	data	datum	NOUN
esrj-59640	27	17	,	,	PUNCT
esrj-59640	27	18	which	which	PRON
esrj-59640	27	19	is	be	AUX
esrj-59640	27	20	both	both	DET
esrj-59640	27	21	time	time	NOUN
esrj-59640	27	22	consuming	consume	VERB
esrj-59640	27	23	,	,	PUNCT
esrj-59640	27	24	and	and	CCONJ
esrj-59640	27	25	introduces	introduce	VERB
esrj-59640	27	26	the	the	DET
esrj-59640	27	27	possibility	possibility	NOUN
esrj-59640	27	28	of	of	ADP
esrj-59640	27	29	picking	pick	VERB
esrj-59640	27	30	errors	error	NOUN
esrj-59640	27	31	(	(	PUNCT
esrj-59640	27	32	improta	improta	PROPN
esrj-59640	27	33	et	et	PROPN
esrj-59640	27	34	al	al	PROPN
esrj-59640	27	35	.	.	PROPN
esrj-59640	27	36	,	,	PUNCT
esrj-59640	27	37	2002	2002	NUM
esrj-59640	27	38	)	)	PUNCT
esrj-59640	27	39	.	.	PUNCT
esrj-59640	28	1	on	on	ADP
esrj-59640	28	2	the	the	DET
esrj-59640	28	3	other	other	ADJ
esrj-59640	28	4	hand	hand	NOUN
esrj-59640	28	5	,	,	PUNCT
esrj-59640	28	6	fwi	fwi	ADJ
esrj-59640	28	7	,	,	PUNCT
esrj-59640	28	8	uses	use	VERB
esrj-59640	28	9	amplitude	amplitude	NOUN
esrj-59640	28	10	,	,	PUNCT
esrj-59640	28	11	travel	travel	NOUN
esrj-59640	28	12	time	time	NOUN
esrj-59640	28	13	and	and	CCONJ
esrj-59640	28	14	phase	phase	NOUN
esrj-59640	28	15	information	information	NOUN
esrj-59640	28	16	simultaneously	simultaneously	ADV
esrj-59640	28	17	to	to	PART
esrj-59640	28	18	invert	invert	VERB
esrj-59640	28	19	the	the	DET
esrj-59640	28	20	model	model	NOUN
esrj-59640	28	21	parameters	parameter	NOUN
esrj-59640	28	22	.	.	PUNCT
esrj-59640	29	1	fwi	fwi	PROPN
esrj-59640	29	2	is	be	AUX
esrj-59640	29	3	an	an	DET
esrj-59640	29	4	inverse	inverse	NOUN
esrj-59640	29	5	method	method	NOUN
esrj-59640	29	6	that	that	PRON
esrj-59640	29	7	generally	generally	ADV
esrj-59640	29	8	employ	employ	VERB
esrj-59640	29	9	the	the	DET
esrj-59640	29	10	least	least	ADJ
esrj-59640	29	11	squares	square	NOUN
esrj-59640	29	12	objective	objective	ADJ
esrj-59640	29	13	function	function	NOUN
esrj-59640	29	14	to	to	PART
esrj-59640	29	15	minimize	minimize	VERB
esrj-59640	29	16	the	the	DET
esrj-59640	29	17	difference	difference	NOUN
esrj-59640	29	18	between	between	ADP
esrj-59640	29	19	observed	observe	VERB
esrj-59640	29	20	seismic	seismic	ADJ
esrj-59640	29	21	data	datum	NOUN
esrj-59640	29	22	and	and	CCONJ
esrj-59640	29	23	synthetic	synthetic	ADJ
esrj-59640	29	24	seismic	seismic	ADJ
esrj-59640	29	25	gathers	gather	NOUN
esrj-59640	29	26	by	by	ADP
esrj-59640	29	27	updating	update	VERB
esrj-59640	29	28	the	the	DET
esrj-59640	29	29	initial	initial	ADJ
esrj-59640	29	30	model	model	NOUN
esrj-59640	29	31	parameters	parameter	NOUN
esrj-59640	29	32	until	until	ADP
esrj-59640	29	33	convergence	convergence	NOUN
esrj-59640	29	34	(	(	PUNCT
esrj-59640	29	35	margrave	margrave	PROPN
esrj-59640	29	36	et	et	PROPN
esrj-59640	29	37	al	al	PROPN
esrj-59640	29	38	.	.	PROPN
esrj-59640	29	39	,	,	PUNCT
esrj-59640	29	40	2011	2011	NUM
esrj-59640	29	41	)	)	PUNCT
esrj-59640	29	42	.	.	PUNCT
esrj-59640	30	1	the	the	DET
esrj-59640	30	2	model	model	NOUN
esrj-59640	30	3	updates	update	NOUN
esrj-59640	30	4	are	be	AUX
esrj-59640	30	5	generated	generate	VERB
esrj-59640	30	6	by	by	ADP
esrj-59640	30	7	reverse	reverse	ADJ
esrj-59640	30	8	time	time	NOUN
esrj-59640	30	9	migration	migration	NOUN
esrj-59640	30	10	of	of	ADP
esrj-59640	30	11	the	the	DET
esrj-59640	30	12	data	datum	NOUN
esrj-59640	30	13	residual	residual	ADJ
esrj-59640	30	14	.	.	PUNCT
esrj-59640	31	1	the	the	DET
esrj-59640	31	2	main	main	ADJ
esrj-59640	31	3	obstacles	obstacle	NOUN
esrj-59640	31	4	that	that	PRON
esrj-59640	31	5	have	have	AUX
esrj-59640	31	6	prevented	prevent	VERB
esrj-59640	31	7	fwi	fwi	ADJ
esrj-59640	31	8	’s	’s	PART
esrj-59640	31	9	common	common	ADJ
esrj-59640	31	10	application	application	NOUN
esrj-59640	31	11	in	in	ADP
esrj-59640	31	12	exploration	exploration	NOUN
esrj-59640	31	13	seismology	seismology	NOUN
esrj-59640	31	14	are	be	AUX
esrj-59640	31	15	its	its	PRON
esrj-59640	31	16	computational	computational	ADJ
esrj-59640	31	17	cost	cost	NOUN
esrj-59640	31	18	and	and	CCONJ
esrj-59640	31	19	need	need	VERB
esrj-59640	31	20	for	for	ADP
esrj-59640	31	21	a	a	DET
esrj-59640	31	22	good	good	ADJ
esrj-59640	31	23	initial	initial	ADJ
esrj-59640	31	24	model	model	NOUN
esrj-59640	31	25	(	(	PUNCT
esrj-59640	31	26	ma	ma	PROPN
esrj-59640	31	27	,	,	PUNCT
esrj-59640	31	28	2010	2010	NUM
esrj-59640	31	29	)	)	PUNCT
esrj-59640	31	30	.	.	PUNCT
esrj-59640	32	1	various	various	ADJ
esrj-59640	32	2	efforts	effort	NOUN
esrj-59640	32	3	from	from	ADP
esrj-59640	32	4	different	different	ADJ
esrj-59640	32	5	perspectives	perspective	NOUN
esrj-59640	32	6	have	have	AUX
esrj-59640	32	7	been	be	AUX
esrj-59640	32	8	developed	develop	VERB
esrj-59640	32	9	to	to	PART
esrj-59640	32	10	reduce	reduce	VERB
esrj-59640	32	11	the	the	DET
esrj-59640	32	12	computational	computational	ADJ
esrj-59640	32	13	costs	cost	NOUN
esrj-59640	32	14	associated	associate	VERB
esrj-59640	32	15	with	with	ADP
esrj-59640	32	16	gradient	gradient	ADJ
esrj-59640	32	17	computation	computation	NOUN
esrj-59640	32	18	and	and	CCONJ
esrj-59640	32	19	seismic	seismic	ADJ
esrj-59640	32	20	data	datum	NOUN
esrj-59640	32	21	generation	generation	NOUN
esrj-59640	32	22	.	.	PUNCT
esrj-59640	33	1	for	for	ADP
esrj-59640	33	2	example	example	NOUN
esrj-59640	33	3	,	,	PUNCT
esrj-59640	33	4	sirgue	sirgue	NOUN
esrj-59640	33	5	and	and	CCONJ
esrj-59640	33	6	pratt	pratt	PROPN
esrj-59640	33	7	(	(	PUNCT
esrj-59640	33	8	2004	2004	NUM
esrj-59640	33	9	)	)	PUNCT
esrj-59640	33	10	and	and	CCONJ
esrj-59640	33	11	operto	operto	VERB
esrj-59640	33	12	et	et	PROPN
esrj-59640	33	13	al	al	PROPN
esrj-59640	33	14	.	.	PROPN
esrj-59640	34	1	(	(	PUNCT
esrj-59640	34	2	2007	2007	NUM
esrj-59640	34	3	)	)	PUNCT
esrj-59640	34	4	limited	limit	VERB
esrj-59640	34	5	the	the	DET
esrj-59640	34	6	number	number	NOUN
esrj-59640	34	7	of	of	ADP
esrj-59640	34	8	frequencies	frequency	NOUN
esrj-59640	34	9	in	in	ADP
esrj-59640	34	10	updating	update	VERB
esrj-59640	34	11	the	the	DET
esrj-59640	34	12	model	model	NOUN
esrj-59640	34	13	.	.	PUNCT
esrj-59640	35	1	vigh	vigh	PROPN
esrj-59640	35	2	and	and	CCONJ
esrj-59640	35	3	starr	starr	PROPN
esrj-59640	35	4	(	(	PUNCT
esrj-59640	35	5	2008	2008	NUM
esrj-59640	35	6	)	)	PUNCT
esrj-59640	35	7	used	use	VERB
esrj-59640	35	8	plane	plane	NOUN
esrj-59640	35	9	wave	wave	NOUN
esrj-59640	35	10	method	method	NOUN
esrj-59640	35	11	for	for	ADP
esrj-59640	35	12	three	three	NUM
esrj-59640	35	13	-	-	PUNCT
esrj-59640	35	14	dimensional	dimensional	ADJ
esrj-59640	35	15	problems	problem	NOUN
esrj-59640	35	16	and	and	CCONJ
esrj-59640	35	17	margrave	margrave	PROPN
esrj-59640	35	18	et	et	PROPN
esrj-59640	35	19	al	al	PROPN
esrj-59640	35	20	.	.	PROPN
esrj-59640	36	1	(	(	PUNCT
esrj-59640	36	2	2010	2010	NUM
esrj-59640	36	3	)	)	PUNCT
esrj-59640	36	4	used	use	VERB
esrj-59640	36	5	phase	phase	NOUN
esrj-59640	36	6	shift	shift	NOUN
esrj-59640	36	7	plus	plus	CCONJ
esrj-59640	36	8	interpolation	interpolation	NOUN
esrj-59640	36	9	one	one	NUM
esrj-59640	36	10	-	-	PUNCT
esrj-59640	36	11	way	way	NOUN
esrj-59640	36	12	wave	wave	NOUN
esrj-59640	36	13	gradient	gradient	NOUN
esrj-59640	36	14	calculations	calculation	NOUN
esrj-59640	36	15	.	.	PUNCT
esrj-59640	37	1	in	in	ADP
esrj-59640	37	2	this	this	DET
esrj-59640	37	3	study	study	NOUN
esrj-59640	37	4	,	,	PUNCT
esrj-59640	37	5	fwisimat	fwisimat	NOUN
esrj-59640	37	6	is	be	AUX
esrj-59640	37	7	developed	develop	VERB
esrj-59640	37	8	in	in	ADP
esrj-59640	37	9	both	both	DET
esrj-59640	37	10	time	time	NOUN
esrj-59640	37	11	and	and	CCONJ
esrj-59640	37	12	frequency	frequency	NOUN
esrj-59640	37	13	domain	domain	NOUN
esrj-59640	37	14	based	base	VERB
esrj-59640	37	15	on	on	ADP
esrj-59640	37	16	acoustic	acoustic	ADJ
esrj-59640	37	17	wave	wave	NOUN
esrj-59640	37	18	equation	equation	NOUN
esrj-59640	37	19	.	.	PUNCT
esrj-59640	38	1	the	the	DET
esrj-59640	38	2	frequency	frequency	NOUN
esrj-59640	38	3	-	-	PUNCT
esrj-59640	38	4	domain	domain	NOUN
esrj-59640	38	5	inversion	inversion	NOUN
esrj-59640	38	6	approach	approach	NOUN
esrj-59640	38	7	is	be	AUX
esrj-59640	38	8	equivalent	equivalent	ADJ
esrj-59640	38	9	to	to	ADP
esrj-59640	38	10	the	the	DET
esrj-59640	38	11	time	time	NOUN
esrj-59640	38	12	-	-	PUNCT
esrj-59640	38	13	domain	domain	NOUN
esrj-59640	38	14	inversion	inversion	NOUN
esrj-59640	38	15	approach	approach	NOUN
esrj-59640	38	16	if	if	SCONJ
esrj-59640	38	17	all	all	PRON
esrj-59640	38	18	of	of	ADP
esrj-59640	38	19	the	the	DET
esrj-59640	38	20	frequency	frequency	NOUN
esrj-59640	38	21	data	datum	NOUN
esrj-59640	38	22	components	component	NOUN
esrj-59640	38	23	are	be	AUX
esrj-59640	38	24	used	use	VERB
esrj-59640	38	25	in	in	ADP
esrj-59640	38	26	the	the	DET
esrj-59640	38	27	inversion	inversion	NOUN
esrj-59640	38	28	process	process	NOUN
esrj-59640	38	29	(	(	PUNCT
esrj-59640	38	30	hu	hu	PROPN
esrj-59640	38	31	et	et	PROPN
esrj-59640	38	32	al	al	PROPN
esrj-59640	38	33	.	.	PROPN
esrj-59640	38	34	,	,	PUNCT
esrj-59640	38	35	2009	2009	NUM
esrj-59640	38	36	)	)	PUNCT
esrj-59640	38	37	.	.	PUNCT
esrj-59640	39	1	fwisimat	fwisimat	PROPN
esrj-59640	39	2	use	use	VERB
esrj-59640	39	3	non	non	ADJ
esrj-59640	39	4	-	-	ADJ
esrj-59640	39	5	linear	linear	ADJ
esrj-59640	39	6	conjugate	conjugate	ADJ
esrj-59640	39	7	gradient	gradient	NOUN
esrj-59640	39	8	(	(	PUNCT
esrj-59640	39	9	nlcg	nlcg	ADV
esrj-59640	39	10	)	)	PUNCT
esrj-59640	39	11	(	(	PUNCT
esrj-59640	39	12	dai	dai	PROPN
esrj-59640	39	13	and	and	CCONJ
esrj-59640	39	14	yuan	yuan	PROPN
esrj-59640	39	15	,	,	PUNCT
esrj-59640	39	16	1999	1999	NUM
esrj-59640	39	17	;	;	PUNCT
esrj-59640	39	18	hanger	hanger	NOUN
esrj-59640	39	19	and	and	CCONJ
esrj-59640	39	20	zhang	zhang	PROPN
esrj-59640	39	21	,	,	PUNCT
esrj-59640	39	22	2005	2005	NUM
esrj-59640	39	23	)	)	PUNCT
esrj-59640	39	24	and	and	CCONJ
esrj-59640	39	25	broyden	broyden	ADJ
esrj-59640	39	26	-	-	PUNCT
esrj-59640	39	27	fletcher	fletcher	NOUN
esrj-59640	39	28	-	-	PUNCT
esrj-59640	39	29	glodfarbshanno	glodfarbshanno	NOUN
esrj-59640	39	30	(	(	PUNCT
esrj-59640	39	31	bfgs	bfgs	ADJ
esrj-59640	39	32	)	)	PUNCT
esrj-59640	39	33	optimization	optimization	NOUN
esrj-59640	39	34	procedure	procedure	NOUN
esrj-59640	39	35	in	in	ADP
esrj-59640	39	36	time	time	NOUN
esrj-59640	39	37	and	and	CCONJ
esrj-59640	39	38	frequency	frequency	NOUN
esrj-59640	39	39	domain	domain	NOUN
esrj-59640	39	40	algorithms	algorithm	NOUN
esrj-59640	39	41	respectively	respectively	ADV
esrj-59640	39	42	.	.	PUNCT
esrj-59640	40	1	as	as	ADP
esrj-59640	40	2	to	to	ADP
esrj-59640	40	3	the	the	DET
esrj-59640	40	4	forward	forward	ADJ
esrj-59640	40	5	modelling	modelling	NOUN
esrj-59640	40	6	,	,	PUNCT
esrj-59640	40	7	second	second	ADJ
esrj-59640	40	8	order	order	NOUN
esrj-59640	40	9	finite	finite	ADJ
esrj-59640	40	10	difference	difference	NOUN
esrj-59640	40	11	method	method	NOUN
esrj-59640	40	12	is	be	AUX
esrj-59640	40	13	employed	employ	VERB
esrj-59640	40	14	due	due	ADP
esrj-59640	40	15	to	to	ADP
esrj-59640	40	16	its	its	PRON
esrj-59640	40	17	high	high	ADJ
esrj-59640	40	18	efficiency	efficiency	NOUN
esrj-59640	40	19	.	.	PUNCT
esrj-59640	41	1	this	this	DET
esrj-59640	41	2	discretization	discretization	NOUN
esrj-59640	41	3	scheme	scheme	NOUN
esrj-59640	41	4	includes	include	VERB
esrj-59640	41	5	absorbing	absorb	VERB
esrj-59640	41	6	boundary	boundary	ADJ
esrj-59640	41	7	conditions	condition	NOUN
esrj-59640	41	8	applied	apply	VERB
esrj-59640	41	9	on	on	ADP
esrj-59640	41	10	the	the	DET
esrj-59640	41	11	edges	edge	NOUN
esrj-59640	41	12	of	of	ADP
esrj-59640	41	13	the	the	DET
esrj-59640	41	14	velocity	velocity	NOUN
esrj-59640	41	15	medium	medium	NOUN
esrj-59640	41	16	.	.	PUNCT
esrj-59640	42	1	however	however	ADV
esrj-59640	42	2	,	,	PUNCT
esrj-59640	42	3	in	in	ADP
esrj-59640	42	4	order	order	NOUN
esrj-59640	42	5	to	to	PART
esrj-59640	42	6	initiate	initiate	VERB
esrj-59640	42	7	any	any	DET
esrj-59640	42	8	iterative	iterative	NOUN
esrj-59640	42	9	scheme	scheme	NOUN
esrj-59640	42	10	an	an	DET
esrj-59640	42	11	initial	initial	ADJ
esrj-59640	42	12	model	model	NOUN
esrj-59640	42	13	is	be	AUX
esrj-59640	42	14	required	require	VERB
esrj-59640	42	15	(	(	PUNCT
esrj-59640	42	16	kanlı	kanlı	ADJ
esrj-59640	42	17	,	,	PUNCT
esrj-59640	42	18	2009	2009	NUM
esrj-59640	42	19	)	)	PUNCT
esrj-59640	42	20	,	,	PUNCT
esrj-59640	42	21	and	and	CCONJ
esrj-59640	42	22	is	be	AUX
esrj-59640	42	23	derived	derive	VERB
esrj-59640	42	24	from	from	ADP
esrj-59640	42	25	smoothing	smooth	VERB
esrj-59640	42	26	the	the	DET
esrj-59640	42	27	true	true	ADJ
esrj-59640	42	28	velocity	velocity	NOUN
esrj-59640	42	29	model	model	NOUN
esrj-59640	42	30	using	use	VERB
esrj-59640	42	31	a	a	DET
esrj-59640	42	32	gaussian	gaussian	ADJ
esrj-59640	42	33	kernel	kernel	NOUN
esrj-59640	42	34	.	.	PUNCT
esrj-59640	43	1	2	2	X
esrj-59640	43	2	.	.	NOUN
esrj-59640	43	3	fwisimat	fwisimat	ADJ
esrj-59640	43	4	for	for	ADP
esrj-59640	43	5	time	time	NOUN
esrj-59640	43	6	domain	domain	NOUN
esrj-59640	43	7	full	full	ADJ
esrj-59640	43	8	waveform	waveform	NOUN
esrj-59640	43	9	inversion	inversion	NOUN
esrj-59640	43	10	is	be	AUX
esrj-59640	43	11	an	an	DET
esrj-59640	43	12	iterative	iterative	NOUN
esrj-59640	43	13	minimization	minimization	NOUN
esrj-59640	43	14	technique	technique	NOUN
esrj-59640	43	15	to	to	PART
esrj-59640	43	16	update	update	VERB
esrj-59640	43	17	the	the	DET
esrj-59640	43	18	initial	initial	ADJ
esrj-59640	43	19	model	model	NOUN
esrj-59640	43	20	parameters	parameter	NOUN
esrj-59640	43	21	,	,	PUNCT
esrj-59640	43	22	which	which	PRON
esrj-59640	43	23	is	be	AUX
esrj-59640	43	24	described	describe	VERB
esrj-59640	43	25	at	at	ADP
esrj-59640	43	26	kth	kth	PROPN
esrj-59640	43	27	iteration	iteration	NOUN
esrj-59640	43	28	as	as	SCONJ
esrj-59640	43	29	follows	follow	VERB
esrj-59640	43	30	:	:	PUNCT
esrj-59640	43	31	m	m	VERB
esrj-59640	43	32	m	m	VERB
esrj-59640	43	33	pk	pk	NOUN
esrj-59640	43	34	k	k	X
esrj-59640	43	35	k	k	X
esrj-59640	43	36	k+	k+	PROPN
esrj-59640	44	1	=	=	SYM
esrj-59640	44	2	+1	+1	ADJ
esrj-59640	44	3			NOUN
esrj-59640	44	4	(	(	PUNCT
esrj-59640	44	5	1	1	NUM
esrj-59640	44	6	)	)	PUNCT
esrj-59640	44	7	where	where	SCONJ
esrj-59640	44	8	,	,	PUNCT
esrj-59640	44	9	m	m	PROPN
esrj-59640	44	10	is	be	AUX
esrj-59640	44	11	the	the	DET
esrj-59640	44	12	model	model	NOUN
esrj-59640	44	13	parameter	parameter	NOUN
esrj-59640	44	14	,	,	PUNCT
esrj-59640	44	15	p	p	PROPN
esrj-59640	44	16	is	be	AUX
esrj-59640	44	17	the	the	DET
esrj-59640	44	18	direction	direction	NOUN
esrj-59640	44	19	of	of	ADP
esrj-59640	44	20	update	update	NOUN
esrj-59640	44	21	and	and	CCONJ
esrj-59640	44	22			NOUN
esrj-59640	44	23	is	be	AUX
esrj-59640	44	24	the	the	DET
esrj-59640	44	25	step	step	NOUN
esrj-59640	44	26	length	length	NOUN
esrj-59640	44	27	.	.	PUNCT
esrj-59640	45	1	fwi	fwi	PROPN
esrj-59640	45	2	is	be	AUX
esrj-59640	45	3	composed	compose	VERB
esrj-59640	45	4	of	of	ADP
esrj-59640	45	5	forward	forward	ADV
esrj-59640	45	6	modelling	modelling	NOUN
esrj-59640	45	7	computation	computation	NOUN
esrj-59640	45	8	,	,	PUNCT
esrj-59640	45	9	gradient	gradient	ADJ
esrj-59640	45	10	computation	computation	NOUN
esrj-59640	45	11	,	,	PUNCT
esrj-59640	45	12	and	and	CCONJ
esrj-59640	45	13	valid	valid	ADJ
esrj-59640	45	14	optimization	optimization	NOUN
esrj-59640	45	15	technique	technique	NOUN
esrj-59640	45	16	(	(	PUNCT
esrj-59640	45	17	cao	cao	PROPN
esrj-59640	45	18	and	and	CCONJ
esrj-59640	45	19	liao	liao	PROPN
esrj-59640	45	20	,	,	PUNCT
esrj-59640	45	21	2013	2013	NUM
esrj-59640	45	22	)	)	PUNCT
esrj-59640	45	23	2.1	2.1	NUM
esrj-59640	45	24	forward	forward	ADV
esrj-59640	45	25	modelling	model	VERB
esrj-59640	45	26	forward	forward	ADV
esrj-59640	45	27	modelling	modelling	NOUN
esrj-59640	45	28	is	be	AUX
esrj-59640	45	29	a	a	DET
esrj-59640	45	30	necessary	necessary	ADJ
esrj-59640	45	31	step	step	NOUN
esrj-59640	45	32	for	for	ADP
esrj-59640	45	33	solving	solve	VERB
esrj-59640	45	34	any	any	DET
esrj-59640	45	35	inverse	inverse	NOUN
esrj-59640	45	36	problem	problem	NOUN
esrj-59640	45	37	.	.	PUNCT
esrj-59640	46	1	the	the	DET
esrj-59640	46	2	governing	govern	VERB
esrj-59640	46	3	equation	equation	NOUN
esrj-59640	46	4	for	for	ADP
esrj-59640	46	5	time	time	NOUN
esrj-59640	46	6	domain	domain	NOUN
esrj-59640	46	7	fwi	fwi	NOUN
esrj-59640	46	8	is	be	AUX
esrj-59640	46	9	non	non	ADJ
esrj-59640	46	10	-	-	ADJ
esrj-59640	46	11	homogeneous	homogeneous	ADJ
esrj-59640	46	12	2d	2d	NUM
esrj-59640	46	13	acoustic	acoustic	ADJ
esrj-59640	46	14	wave	wave	NOUN
esrj-59640	46	15	equation	equation	NOUN
esrj-59640	46	16	(	(	PUNCT
esrj-59640	46	17	eq	eq	NOUN
esrj-59640	46	18	.	.	PROPN
esrj-59640	46	19	2	2	NUM
esrj-59640	46	20	)	)	PUNCT
esrj-59640	46	21	.	.	PUNCT
esrj-59640	47	1	1	1	NUM
esrj-59640	47	2	2	2	NUM
esrj-59640	47	3	2	2	NUM
esrj-59640	47	4	2	2	NUM
esrj-59640	47	5	2	2	NUM
esrj-59640	47	6	v	v	NOUN
esrj-59640	47	7	u	u	X
esrj-59640	47	8	u	u	NOUN
esrj-59640	47	9	f	f	PROPN
esrj-59640	47	10	x	x	PROPN
esrj-59640	47	11	z	z	NOUN
esrj-59640	47	12	x	x	X
esrj-59640	47	13	z	z	NOUN
esrj-59640	47	14	t	t	NOUN
esrj-59640	47	15	t	t	NOUN
esrj-59640	47	16	x	x	X
esrj-59640	47	17	z	z	NOUN
esrj-59640	47	18	t	t	PROPN
esrj-59640	47	19	t	t	NOUN
esrj-59640	47	20	x	x	PUNCT
esrj-59640	47	21	x	x	SYM
esrj-59640	47	22	z	z	NOUN
esrj-59640	47	23	zs	zs	NOUN
esrj-59640	47	24	s	s	PART
esrj-59640	47	25	,	,	PUNCT
esrj-59640	47	26	,	,	PUNCT
esrj-59640	47	27	,	,	PUNCT
esrj-59640	47	28	,	,	PUNCT
esrj-59640	47	29	,	,	PUNCT
esrj-59640	47	30	(	(	PUNCT
esrj-59640	47	31	)	)	PUNCT
esrj-59640	47	32	(	(	PUNCT
esrj-59640	47	33	)	)	PUNCT
esrj-59640	47	34	−	−	NOUN
esrj-59640	47	35	∇	∇	X
esrj-59640	47	36	(	(	PUNCT
esrj-59640	47	37	)	)	PUNCT
esrj-59640	47	38	=	=	SYM
esrj-59640	47	39	(	(	PUNCT
esrj-59640	47	40	)	)	PUNCT
esrj-59640	47	41	−	−	PROPN
esrj-59640	47	42	(	(	PUNCT
esrj-59640	47	43	)	)	PUNCT
esrj-59640	47	44	−	−	PROPN
esrj-59640	47	45	(	(	PUNCT
esrj-59640	47	46	)	)	PUNCT
esrj-59640	47	47	∂	∂	NUM
esrj-59640	47	48	∂	∂	NUM
esrj-59640	47	49	δ	δ	PROPN
esrj-59640	47	50	δ	δ	PROPN
esrj-59640	47	51	(	(	PUNCT
esrj-59640	47	52	2	2	NUM
esrj-59640	47	53	)	)	PUNCT
esrj-59640	47	54	in	in	ADP
esrj-59640	47	55	equation	equation	NOUN
esrj-59640	47	56	2	2	NUM
esrj-59640	47	57	,	,	PUNCT
esrj-59640	47	58	u(x	u(x	NOUN
esrj-59640	47	59	,	,	PUNCT
esrj-59640	47	60	z	z	PROPN
esrj-59640	47	61	,	,	PUNCT
esrj-59640	47	62	t	t	PROPN
esrj-59640	47	63	)	)	PUNCT
esrj-59640	47	64	is	be	AUX
esrj-59640	47	65	the	the	DET
esrj-59640	47	66	source	source	NOUN
esrj-59640	47	67	wave	wave	NOUN
esrj-59640	47	68	-	-	PUNCT
esrj-59640	47	69	field	field	NOUN
esrj-59640	47	70	,	,	PUNCT
esrj-59640	47	71	v(x	v(x	PROPN
esrj-59640	47	72	,	,	PUNCT
esrj-59640	47	73	z	z	PROPN
esrj-59640	47	74	,	,	PUNCT
esrj-59640	47	75	t	t	PROPN
esrj-59640	47	76	)	)	PUNCT
esrj-59640	47	77	is	be	AUX
esrj-59640	47	78	the	the	DET
esrj-59640	47	79	velocity	velocity	NOUN
esrj-59640	47	80	,	,	PUNCT
esrj-59640	47	81	f(t	f(t	PROPN
esrj-59640	47	82	)	)	PUNCT
esrj-59640	47	83	is	be	AUX
esrj-59640	47	84	the	the	DET
esrj-59640	47	85	source	source	NOUN
esrj-59640	47	86	time	time	NOUN
esrj-59640	47	87	function	function	NOUN
esrj-59640	47	88	and	and	CCONJ
esrj-59640	47	89	(	(	PUNCT
esrj-59640	47	90	xs	xs	PROPN
esrj-59640	47	91	,	,	PUNCT
esrj-59640	47	92	zs	zs	NOUN
esrj-59640	47	93	)	)	PUNCT
esrj-59640	47	94	is	be	AUX
esrj-59640	47	95	the	the	DET
esrj-59640	47	96	source	source	NOUN
esrj-59640	47	97	location	location	NOUN
esrj-59640	47	98	in	in	ADP
esrj-59640	47	99	space	space	NOUN
esrj-59640	47	100	.	.	PUNCT
esrj-59640	48	1	let	let	VERB
esrj-59640	48	2	un	un	PROPN
esrj-59640	48	3	m	m	PROPN
esrj-59640	48	4	l	l	NOUN
esrj-59640	48	5	,	,	PUNCT
esrj-59640	48	6	be	be	AUX
esrj-59640	48	7	the	the	DET
esrj-59640	48	8	wave	wave	NOUN
esrj-59640	48	9	-	-	PUNCT
esrj-59640	48	10	field	field	NOUN
esrj-59640	48	11	at	at	ADP
esrj-59640	48	12	the	the	DET
esrj-59640	48	13	time	time	NOUN
esrj-59640	48	14	l	l	NOUN
esrj-59640	48	15	t∆	t∆	PROPN
esrj-59640	48	16	and	and	CCONJ
esrj-59640	48	17	spatial	spatial	ADJ
esrj-59640	48	18	position	position	NOUN
esrj-59640	48	19	n	n	NOUN
esrj-59640	48	20	x	x	PROPN
esrj-59640	48	21	m	m	NOUN
esrj-59640	48	22	z∆	z∆	NOUN
esrj-59640	48	23	∆	∆	X
esrj-59640	48	24	,	,	PUNCT
esrj-59640	48	25	(	(	PUNCT
esrj-59640	48	26	)	)	PUNCT
esrj-59640	48	27	,	,	PUNCT
esrj-59640	48	28	vn	vn	PROPN
esrj-59640	48	29	m	m	PROPN
esrj-59640	48	30	,	,	PUNCT
esrj-59640	48	31	be	be	AUX
esrj-59640	48	32	the	the	DET
esrj-59640	48	33	velocity	velocity	NOUN
esrj-59640	48	34	at	at	ADP
esrj-59640	48	35	n	n	PROPN
esrj-59640	48	36	x	x	PROPN
esrj-59640	48	37	m	m	PROPN
esrj-59640	48	38	z∆	z∆	NOUN
esrj-59640	48	39	∆	∆	X
esrj-59640	48	40	,	,	PUNCT
esrj-59640	48	41	(	(	PUNCT
esrj-59640	48	42	)	)	PUNCT
esrj-59640	48	43	then	then	ADV
esrj-59640	48	44	equation	equation	NOUN
esrj-59640	48	45	2	2	NUM
esrj-59640	48	46	can	can	AUX
esrj-59640	48	47	be	be	AUX
esrj-59640	48	48	discretized	discretize	VERB
esrj-59640	48	49	using	use	VERB
esrj-59640	48	50	central	central	ADJ
esrj-59640	48	51	difference	difference	NOUN
esrj-59640	48	52	scheme	scheme	NOUN
esrj-59640	48	53	as	as	SCONJ
esrj-59640	48	54	follows	follow	VERB
esrj-59640	48	55	:	:	PUNCT
esrj-59640	48	56	u	u	NOUN
esrj-59640	48	57	u	u	NOUN
esrj-59640	48	58	u	u	NOUN
esrj-59640	48	59	v	v	ADP
esrj-59640	48	60	u	u	X
esrj-59640	48	61	u	u	NOUN
esrj-59640	48	62	u	u	NOUN
esrj-59640	48	63	n	n	NOUN
esrj-59640	48	64	m	m	PROPN
esrj-59640	48	65	l	l	NOUN
esrj-59640	48	66	n	n	NOUN
esrj-59640	48	67	m	m	PROPN
esrj-59640	48	68	l	l	NOUN
esrj-59640	48	69	n	n	NOUN
esrj-59640	48	70	m	m	PROPN
esrj-59640	48	71	l	l	NOUN
esrj-59640	48	72	n	n	VERB
esrj-59640	48	73	m	m	VERB
esrj-59640	48	74	n	n	PRON
esrj-59640	48	75	m	m	PROPN
esrj-59640	48	76	l	l	NOUN
esrj-59640	48	77	n	n	NOUN
esrj-59640	48	78	m	m	PROPN
esrj-59640	48	79	l	l	NOUN
esrj-59640	48	80	n	n	ADV
esrj-59640	48	81	m	m	PROPN
esrj-59640	48	82	l	l	NOUN
esrj-59640	48	83	t	t	NOUN
esrj-59640	48	84	x	x	X
esrj-59640	48	85	,	,	PUNCT
esrj-59640	48	86	,	,	PUNCT
esrj-59640	48	87	,	,	PUNCT
esrj-59640	48	88	,	,	PUNCT
esrj-59640	48	89	,	,	PUNCT
esrj-59640	48	90	,	,	PUNCT
esrj-59640	48	91	,	,	PUNCT
esrj-59640	49	1	+	+	CCONJ
esrj-59640	49	2	−	−	X
esrj-59640	50	1	+	+	CCONJ
esrj-59640	50	2	−	−	PROPN
esrj-59640	50	3	=	=	SYM
esrj-59640	51	1	−	−	PROPN
esrj-59640	52	1	+	+	CCONJ
esrj-59640	52	2	−	−	PROPN
esrj-59640	53	1	+	+	CCONJ
esrj-59640	53	2	+	+	CCONJ
esrj-59640	53	3	1	1	NUM
esrj-59640	53	4	1	1	NUM
esrj-59640	53	5	2	2	NUM
esrj-59640	53	6	2	2	NUM
esrj-59640	53	7	1	1	NUM
esrj-59640	53	8	1	1	NUM
esrj-59640	53	9	2	2	NUM
esrj-59640	53	10	2	2	NUM
esrj-59640	53	11	2	2	NUM
esrj-59640	53	12	∆	∆	NOUN
esrj-59640	53	13	∆	∆	PUNCT
esrj-59640	53	14	∆	∆	X
esrj-59640	53	15	uu	uu	X
esrj-59640	53	16	u	u	X
esrj-59640	53	17	u	u	X
esrj-59640	53	18	f	f	PROPN
esrj-59640	53	19	n	n	PROPN
esrj-59640	53	20	m	m	PROPN
esrj-59640	53	21	l	l	NOUN
esrj-59640	53	22	n	n	NOUN
esrj-59640	53	23	m	m	PROPN
esrj-59640	53	24	l	l	NOUN
esrj-59640	53	25	n	n	NOUN
esrj-59640	53	26	m	m	PROPN
esrj-59640	53	27	l	l	NOUN
esrj-59640	53	28	s	s	PART
esrj-59640	53	29	z	z	NOUN
esrj-59640	53	30	l	l	NOUN
esrj-59640	53	31	t	t	PROPN
esrj-59640	53	32	n	n	CCONJ
esrj-59640	53	33	n	n	ADV
esrj-59640	53	34	m	m	VERB
esrj-59640	53	35	m	m	VERB
esrj-59640	53	36	,	,	PUNCT
esrj-59640	53	37	,	,	PUNCT
esrj-59640	53	38	,	,	PUNCT
esrj-59640	53	39	+	+	CCONJ
esrj-59640	53	40	−−	−−	NOUN
esrj-59640	53	41	+	+	CCONJ
esrj-59640	53	42			NOUN
esrj-59640	53	43			NOUN
esrj-59640	53	44			NOUN
esrj-59640	53	45			NOUN
esrj-59640	53	46			NOUN
esrj-59640	53	47			NOUN
esrj-59640	53	48			NOUN
esrj-59640	53	49			PROPN
esrj-59640	53	50			PUNCT
esrj-59640	54	1			NOUN
esrj-59640	54	2			VERB
esrj-59640	54	3			NOUN
esrj-59640	54	4			NOUN
esrj-59640	54	5			NOUN
esrj-59640	54	6	(	(	PUNCT
esrj-59640	54	7	)	)	PUNCT
esrj-59640	54	8	−	−	PROPN
esrj-59640	54	9	(	(	PUNCT
esrj-59640	54	10	)	)	PUNCT
esrj-59640	55	1	−	−	PROPN
esrj-59640	55	2	1	1	NUM
esrj-59640	55	3	1	1	NUM
esrj-59640	55	4	2	2	NUM
esrj-59640	55	5	2	2	NUM
esrj-59640	55	6	∆	∆	PROPN
esrj-59640	55	7	∆+	∆+	NUM
esrj-59640	55	8	δ	δ	PROPN
esrj-59640	55	9	δ	δ	PROPN
esrj-59640	55	10	ss	ss	PROPN
esrj-59640	55	11	(	(	PUNCT
esrj-59640	55	12	)	)	PUNCT
esrj-59640	55	13	(	(	PUNCT
esrj-59640	55	14	3	3	X
esrj-59640	55	15	)	)	PUNCT
esrj-59640	55	16	with	with	ADP
esrj-59640	55	17	the	the	DET
esrj-59640	55	18	initial	initial	ADJ
esrj-59640	55	19	conditions	condition	NOUN
esrj-59640	55	20	u	u	PROPN
esrj-59640	55	21	�	�	PROPN
esrj-59640	55	22	un	un	PROPN
esrj-59640	55	23	m	m	PROPN
esrj-59640	55	24	n	n	PRON
esrj-59640	55	25	m	m	PRON
esrj-59640	55	26	,	,	PUNCT
esrj-59640	55	27	,	,	PUNCT
esrj-59640	55	28	,	,	PUNCT
esrj-59640	55	29	−	−	PROPN
esrj-59640	55	30	=	=	SYM
esrj-59640	56	1	=	=	NUM
esrj-59640	56	2	1	1	NUM
esrj-59640	56	3	00	00	NUM
esrj-59640	56	4	0	0	NUM
esrj-59640	56	5	(	(	PUNCT
esrj-59640	56	6	4	4	X
esrj-59640	56	7	)	)	PUNCT
esrj-59640	56	8	the	the	DET
esrj-59640	56	9	numerical	numerical	ADJ
esrj-59640	56	10	stability	stability	NOUN
esrj-59640	56	11	conditions	condition	NOUN
esrj-59640	56	12	for	for	ADP
esrj-59640	56	13	equations	equation	NOUN
esrj-59640	56	14	3	3	NUM
esrj-59640	56	15	and	and	CCONJ
esrj-59640	56	16	4	4	NUM
esrj-59640	56	17	is	be	AUX
esrj-59640	56	18	as	as	SCONJ
esrj-59640	56	19	follows	follow	VERB
esrj-59640	56	20	:	:	PUNCT
esrj-59640	57	1	∆	∆	PROPN
esrj-59640	57	2	∆	∆	PROPN
esrj-59640	57	3	∆	∆	PROPN
esrj-59640	57	4	t	t	NOUN
esrj-59640	57	5	x	x	SYM
esrj-59640	57	6	z	z	PROPN
esrj-59640	57	7	max	max	PROPN
esrj-59640	57	8	≤	≤	PROPN
esrj-59640	57	9	(	(	PUNCT
esrj-59640	57	10	)	)	SYM
esrj-59640	57	11	1	1	NUM
esrj-59640	57	12	2	2	NUM
esrj-59640	57	13	min	min	NOUN
esrj-59640	57	14	,	,	PUNCT
esrj-59640	57	15	�	�	PROPN
esrj-59640	57	16	v	v	PROPN
esrj-59640	57	17	(	(	PUNCT
esrj-59640	57	18	5	5	NUM
esrj-59640	57	19	)	)	PUNCT
esrj-59640	57	20	the	the	DET
esrj-59640	57	21	unsuitable	unsuitable	ADJ
esrj-59640	57	22	choice	choice	NOUN
esrj-59640	57	23	of	of	ADP
esrj-59640	57	24	time	time	NOUN
esrj-59640	57	25	and	and	CCONJ
esrj-59640	57	26	spatial	spatial	ADJ
esrj-59640	57	27	steps	step	NOUN
esrj-59640	57	28	may	may	AUX
esrj-59640	57	29	cause	cause	VERB
esrj-59640	57	30	severe	severe	ADJ
esrj-59640	57	31	dispersion	dispersion	NOUN
esrj-59640	57	32	and	and	CCONJ
esrj-59640	57	33	wave	wave	NOUN
esrj-59640	57	34	distortion	distortion	NOUN
esrj-59640	57	35	in	in	ADP
esrj-59640	57	36	wave	wave	NOUN
esrj-59640	57	37	simulation	simulation	NOUN
esrj-59640	57	38	.	.	PUNCT
esrj-59640	58	1	in	in	ADP
esrj-59640	58	2	order	order	NOUN
esrj-59640	58	3	to	to	PART
esrj-59640	58	4	suppress	suppress	VERB
esrj-59640	58	5	numerical	numerical	ADJ
esrj-59640	58	6	dispersion	dispersion	NOUN
esrj-59640	58	7	,	,	PUNCT
esrj-59640	58	8	it	it	PRON
esrj-59640	58	9	is	be	AUX
esrj-59640	58	10	usually	usually	ADV
esrj-59640	58	11	required	require	VERB
esrj-59640	58	12	that	that	SCONJ
esrj-59640	58	13	there	there	PRON
esrj-59640	58	14	are	be	VERB
esrj-59640	58	15	10	10	NUM
esrj-59640	58	16	sampling	sampling	NOUN
esrj-59640	58	17	points	point	NOUN
esrj-59640	58	18	per	per	ADP
esrj-59640	58	19	wavelength	wavelength	NOUN
esrj-59640	58	20	in	in	ADP
esrj-59640	58	21	equation	equation	NOUN
esrj-59640	58	22	2	2	NUM
esrj-59640	58	23	,	,	PUNCT
esrj-59640	58	24	min	min	NOUN
esrj-59640	58	25	,	,	PUNCT
esrj-59640	58	26	∆	∆	PROPN
esrj-59640	58	27	∆x	∆x	PROPN
esrj-59640	58	28	z	z	PROPN
esrj-59640	58	29	f	f	PROPN
esrj-59640	58	30	min	min	PROPN
esrj-59640	58	31	max	max	PROPN
esrj-59640	58	32	(	(	PUNCT
esrj-59640	58	33	)	)	PUNCT
esrj-59640	58	34	<	<	X
esrj-59640	58	35	v	v	NUM
esrj-59640	58	36	10	10	NUM
esrj-59640	58	37	(	(	PUNCT
esrj-59640	58	38	6	6	NUM
esrj-59640	58	39	)	)	PUNCT
esrj-59640	58	40	for	for	ADP
esrj-59640	58	41	the	the	DET
esrj-59640	58	42	same	same	ADJ
esrj-59640	58	43	frequency	frequency	NOUN
esrj-59640	58	44	,	,	PUNCT
esrj-59640	58	45	the	the	DET
esrj-59640	58	46	numerical	numerical	ADJ
esrj-59640	58	47	dispersion	dispersion	NOUN
esrj-59640	58	48	increases	increase	VERB
esrj-59640	58	49	as	as	ADP
esrj-59640	58	50	the	the	DET
esrj-59640	58	51	spatial	spatial	ADJ
esrj-59640	58	52	steps	step	NOUN
esrj-59640	58	53	increase	increase	VERB
esrj-59640	58	54	.	.	PUNCT
esrj-59640	59	1	however	however	ADV
esrj-59640	59	2	,	,	PUNCT
esrj-59640	59	3	the	the	DET
esrj-59640	59	4	dispersion	dispersion	NOUN
esrj-59640	59	5	can	can	AUX
esrj-59640	59	6	be	be	AUX
esrj-59640	59	7	depressed	depressed	ADJ
esrj-59640	59	8	if	if	SCONJ
esrj-59640	59	9	the	the	DET
esrj-59640	59	10	higher	high	ADJ
esrj-59640	59	11	point	point	NOUN
esrj-59640	59	12	approximation	approximation	NOUN
esrj-59640	59	13	schemes	scheme	NOUN
esrj-59640	59	14	are	be	AUX
esrj-59640	59	15	used	use	VERB
esrj-59640	59	16	.	.	PUNCT
esrj-59640	60	1	in	in	ADP
esrj-59640	60	2	numerical	numerical	ADJ
esrj-59640	60	3	computations	computation	NOUN
esrj-59640	60	4	,	,	PUNCT
esrj-59640	60	5	the	the	DET
esrj-59640	60	6	computational	computational	ADJ
esrj-59640	60	7	domain	domain	NOUN
esrj-59640	60	8	is	be	AUX
esrj-59640	60	9	usually	usually	ADV
esrj-59640	60	10	truncated	truncate	VERB
esrj-59640	60	11	to	to	ADP
esrj-59640	60	12	a	a	DET
esrj-59640	60	13	finite	finite	ADJ
esrj-59640	60	14	region	region	NOUN
esrj-59640	60	15	.	.	PUNCT
esrj-59640	61	1	so	so	ADV
esrj-59640	61	2	,	,	PUNCT
esrj-59640	61	3	absorbing	absorb	VERB
esrj-59640	61	4	boundary	boundary	ADJ
esrj-59640	61	5	conditions	condition	NOUN
esrj-59640	61	6	(	(	PUNCT
esrj-59640	61	7	abcs	abc	NOUN
esrj-59640	61	8	)	)	PUNCT
esrj-59640	61	9	are	be	AUX
esrj-59640	61	10	included	include	VERB
esrj-59640	61	11	in	in	ADP
esrj-59640	61	12	order	order	NOUN
esrj-59640	61	13	to	to	PART
esrj-59640	61	14	reduce	reduce	VERB
esrj-59640	61	15	reflection	reflection	NOUN
esrj-59640	61	16	from	from	ADP
esrj-59640	61	17	the	the	DET
esrj-59640	61	18	edges	edge	NOUN
esrj-59640	61	19	of	of	ADP
esrj-59640	61	20	the	the	DET
esrj-59640	61	21	grid	grid	NOUN
esrj-59640	61	22	.	.	PUNCT
esrj-59640	62	1	the	the	DET
esrj-59640	62	2	absorbing	absorbing	ADJ
esrj-59640	62	3	boundary	boundary	ADJ
esrj-59640	62	4	conditions	condition	NOUN
esrj-59640	62	5	are	be	AUX
esrj-59640	62	6	constructed	construct	VERB
esrj-59640	62	7	from	from	ADP
esrj-59640	62	8	paraxial	paraxial	ADJ
esrj-59640	62	9	approximations	approximation	NOUN
esrj-59640	62	10	of	of	ADP
esrj-59640	62	11	the	the	DET
esrj-59640	62	12	wave	wave	NOUN
esrj-59640	62	13	equation	equation	NOUN
esrj-59640	62	14	(	(	PUNCT
esrj-59640	62	15	clayton	clayton	PROPN
esrj-59640	62	16	and	and	CCONJ
esrj-59640	62	17	enquist	enquist	ADJ
esrj-59640	62	18	,	,	PUNCT
esrj-59640	62	19	1977	1977	NUM
esrj-59640	62	20	)	)	PUNCT
esrj-59640	62	21	.	.	PUNCT
esrj-59640	63	1	figure	figure	NOUN
esrj-59640	63	2	1	1	NUM
esrj-59640	63	3	illustrates	illustrate	VERB
esrj-59640	63	4	the	the	DET
esrj-59640	63	5	effect	effect	NOUN
esrj-59640	63	6	of	of	ADP
esrj-59640	63	7	boundary	boundary	ADJ
esrj-59640	63	8	conditions	condition	NOUN
esrj-59640	63	9	when	when	SCONJ
esrj-59640	63	10	the	the	DET
esrj-59640	63	11	wave	wave	NOUN
esrj-59640	63	12	-	-	PUNCT
esrj-59640	63	13	field	field	NOUN
esrj-59640	63	14	hits	hit	VERB
esrj-59640	63	15	the	the	DET
esrj-59640	63	16	edges	edge	NOUN
esrj-59640	63	17	of	of	ADP
esrj-59640	63	18	the	the	DET
esrj-59640	63	19	medium	medium	NOUN
esrj-59640	63	20	.	.	PUNCT
esrj-59640	63	21	wave	wave	NOUN
esrj-59640	63	22	-	-	PUNCT
esrj-59640	63	23	fields	field	NOUN
esrj-59640	63	24	are	be	AUX
esrj-59640	63	25	recorded	record	VERB
esrj-59640	63	26	for	for	ADP
esrj-59640	63	27	each	each	DET
esrj-59640	63	28	time	time	NOUN
esrj-59640	63	29	at	at	ADP
esrj-59640	63	30	each	each	DET
esrj-59640	63	31	receiver	receiver	ADJ
esrj-59640	63	32	positions	position	NOUN
esrj-59640	63	33	per	per	ADP
esrj-59640	63	34	source	source	NOUN
esrj-59640	63	35	.	.	PUNCT
esrj-59640	64	1	these	these	DET
esrj-59640	64	2	records	record	NOUN
esrj-59640	64	3	are	be	AUX
esrj-59640	64	4	called	call	VERB
esrj-59640	64	5	as	as	ADP
esrj-59640	64	6	synthetic	synthetic	ADJ
esrj-59640	64	7	seismograms	seismogram	NOUN
esrj-59640	64	8	(	(	PUNCT
esrj-59640	64	9	fig	fig	NOUN
esrj-59640	64	10	.	.	PUNCT
esrj-59640	65	1	2	2	NUM
esrj-59640	65	2	)	)	PUNCT
esrj-59640	65	3	.	.	PUNCT
esrj-59640	66	1	2.2	2.2	NUM
esrj-59640	66	2	gradient	gradient	NOUN
esrj-59640	66	3	computation	computation	NOUN
esrj-59640	66	4	:	:	PUNCT
esrj-59640	66	5	reverse	reverse	VERB
esrj-59640	66	6	time	time	NOUN
esrj-59640	66	7	migration	migration	NOUN
esrj-59640	66	8	the	the	DET
esrj-59640	66	9	objective	objective	ADJ
esrj-59640	66	10	function	function	NOUN
esrj-59640	66	11	o	o	NOUN
esrj-59640	66	12	v	v	NOUN
esrj-59640	66	13	(	(	PUNCT
esrj-59640	66	14	)	)	PUNCT
esrj-59640	66	15	(	(	PUNCT
esrj-59640	66	16	)	)	PUNCT
esrj-59640	66	17	that	that	PRON
esrj-59640	66	18	would	would	AUX
esrj-59640	66	19	be	be	AUX
esrj-59640	66	20	minimized	minimize	VERB
esrj-59640	66	21	is	be	AUX
esrj-59640	66	22	given	give	VERB
esrj-59640	66	23	as	as	SCONJ
esrj-59640	66	24	follows	follow	VERB
esrj-59640	66	25	:	:	PUNCT
esrj-59640	66	26	o	o	NOUN
esrj-59640	66	27	v	v	X
esrj-59640	66	28	d	d	X
esrj-59640	66	29	d	d	PROPN
esrj-59640	66	30	(	(	PUNCT
esrj-59640	66	31	)	)	PUNCT
esrj-59640	66	32	=	=	SYM
esrj-59640	66	33	−1	−1	NOUN
esrj-59640	66	34	2	2	NUM
esrj-59640	66	35	2	2	NUM
esrj-59640	66	36	obs	obs	NOUN
esrj-59640	66	37	cal	cal	X
esrj-59640	66	38	(	(	PUNCT
esrj-59640	66	39	7	7	NUM
esrj-59640	66	40	)	)	PUNCT
esrj-59640	66	41	where	where	SCONJ
esrj-59640	66	42	,	,	PUNCT
esrj-59640	66	43	dobs	dobs	PROPN
esrj-59640	66	44	is	be	AUX
esrj-59640	66	45	the	the	DET
esrj-59640	66	46	observed	observe	VERB
esrj-59640	66	47	data	datum	NOUN
esrj-59640	66	48	and	and	CCONJ
esrj-59640	66	49	dcal	dcal	ADJ
esrj-59640	66	50	is	be	AUX
esrj-59640	66	51	the	the	DET
esrj-59640	66	52	calculated	calculate	VERB
esrj-59640	66	53	data	datum	NOUN
esrj-59640	66	54	.	.	PUNCT
esrj-59640	67	1	the	the	DET
esrj-59640	67	2	gradient	gradient	NOUN
esrj-59640	67	3	of	of	ADP
esrj-59640	67	4	the	the	DET
esrj-59640	67	5	objective	objective	ADJ
esrj-59640	67	6	function	function	NOUN
esrj-59640	67	7	is	be	AUX
esrj-59640	67	8	given	give	VERB
esrj-59640	67	9	as	as	SCONJ
esrj-59640	67	10	follows	follow	VERB
esrj-59640	67	11	:	:	PUNCT
esrj-59640	67	12	∇	∇	X
esrj-59640	67	13	(	(	PUNCT
esrj-59640	67	14	)	)	PUNCT
esrj-59640	68	1	=	=	SYM
esrj-59640	68	2	−	−	PROPN
esrj-59640	68	3	(	(	PUNCT
esrj-59640	68	4	)	)	PUNCT
esrj-59640	68	5	(	(	PUNCT
esrj-59640	68	6	)	)	PUNCT
esrj-59640	68	7	∑∫o	∑∫o	PROPN
esrj-59640	68	8	v	v	PART
esrj-59640	68	9	q	q	NOUN
esrj-59640	68	10	us	us	PROPN
esrj-59640	68	11	s0	s0	PROPN
esrj-59640	68	12	0	0	PUNCT
esrj-59640	68	13	0	0	NUM
esrj-59640	68	14	s	s	PROPN
esrj-59640	68	15	t	t	PROPN
esrj-59640	68	16	ttx	ttx	PROPN
esrj-59640	68	17	z	z	PROPN
esrj-59640	68	18	t	t	PROPN
esrj-59640	69	1	x	x	PUNCT
esrj-59640	69	2	z	z	NOUN
esrj-59640	69	3	t	t	NOUN
esrj-59640	69	4	dt	dt	PROPN
esrj-59640	69	5	,	,	PUNCT
esrj-59640	69	6	,	,	PUNCT
esrj-59640	69	7	,	,	PUNCT
esrj-59640	69	8	,	,	PUNCT
esrj-59640	69	9	,	,	PUNCT
esrj-59640	69	10			PROPN
esrj-59640	69	11	(	(	PUNCT
esrj-59640	69	12	8)	8)	NUM
esrj-59640	69	13	where	where	SCONJ
esrj-59640	69	14	,	,	PUNCT
esrj-59640	69	15	qs	qs	AUX
esrj-59640	69	16	represents	represent	VERB
esrj-59640	69	17	the	the	DET
esrj-59640	69	18	back	back	ADV
esrj-59640	69	19	-	-	PUNCT
esrj-59640	69	20	propagated	propagate	VERB
esrj-59640	69	21	wave	wave	NOUN
esrj-59640	69	22	-	-	PUNCT
esrj-59640	69	23	field	field	NOUN
esrj-59640	69	24	from	from	ADP
esrj-59640	69	25	receivers	receiver	NOUN
esrj-59640	69	26	to	to	ADP
esrj-59640	69	27	source	source	NOUN
esrj-59640	69	28	.	.	PUNCT
esrj-59640	70	1	qs	qs	PROPN
esrj-59640	70	2	can	can	AUX
esrj-59640	70	3	be	be	AUX
esrj-59640	70	4	computed	compute	VERB
esrj-59640	70	5	from	from	ADP
esrj-59640	70	6	equation	equation	NOUN
esrj-59640	70	7	9	9	NUM
esrj-59640	70	8	backward	backward	ADV
esrj-59640	70	9	in	in	ADP
esrj-59640	70	10	time	time	NOUN
esrj-59640	70	11	(	(	PUNCT
esrj-59640	70	12	demanet	demanet	NOUN
esrj-59640	70	13	,	,	PUNCT
esrj-59640	70	14	2015	2015	NUM
esrj-59640	70	15	)	)	PUNCT
esrj-59640	70	16	.	.	PUNCT
esrj-59640	71	1	293full	293full	PROPN
esrj-59640	71	2	waveform	waveform	VERB
esrj-59640	71	3	inversion	inversion	NOUN
esrj-59640	71	4	in	in	ADP
esrj-59640	71	5	time	time	NOUN
esrj-59640	71	6	and	and	CCONJ
esrj-59640	71	7	frequency	frequency	NOUN
esrj-59640	71	8	domain	domain	NOUN
esrj-59640	71	9	of	of	ADP
esrj-59640	71	10	velocity	velocity	NOUN
esrj-59640	71	11	modeling	modeling	NOUN
esrj-59640	71	12	in	in	ADP
esrj-59640	71	13	seismic	seismic	ADJ
esrj-59640	71	14	imaging	imaging	NOUN
esrj-59640	71	15	:	:	PUNCT
esrj-59640	71	16	fwisimat	fwisimat	ADJ
esrj-59640	71	17	a	a	DET
esrj-59640	71	18	matlab	matlab	PROPN
esrj-59640	71	19	code	code	NOUN
esrj-59640	71	20	1	1	NUM
esrj-59640	71	21	0	0	NUM
esrj-59640	71	22	2	2	NUM
esrj-59640	71	23	2	2	NUM
esrj-59640	71	24	2	2	NUM
esrj-59640	71	25	2	2	NUM
esrj-59640	71	26	v	v	NOUN
esrj-59640	71	27	q	q	NOUN
esrj-59640	71	28	r	r	NOUN
esrj-59640	71	29	x	x	NOUN
esrj-59640	71	30	z	z	NOUN
esrj-59640	71	31	t	t	NOUN
esrj-59640	71	32	x	x	X
esrj-59640	71	33	z	z	NOUN
esrj-59640	71	34	t	t	PROPN
esrj-59640	71	35	x	x	PUNCT
esrj-59640	71	36	ts	ts	ADP
esrj-59640	71	37	s	s	PRON
esrj-59640	71	38	,	,	PUNCT
esrj-59640	71	39	,	,	PUNCT
esrj-59640	71	40	,	,	PUNCT
esrj-59640	71	41	,	,	PUNCT
esrj-59640	71	42	(	(	PUNCT
esrj-59640	71	43	)	)	PUNCT
esrj-59640	72	1	−	−	NOUN
esrj-59640	72	2	∇	∇	PROPN
esrj-59640	72	3			PROPN
esrj-59640	72	4			PROPN
esrj-59640	72	5			NOUN
esrj-59640	72	6			NOUN
esrj-59640	72	7			PROPN
esrj-59640	72	8			NOUN
esrj-59640	73	1			NOUN
esrj-59640	73	2			NOUN
esrj-59640	73	3	(	(	PUNCT
esrj-59640	73	4	)	)	PUNCT
esrj-59640	73	5	=	=	SYM
esrj-59640	73	6	(	(	PUNCT
esrj-59640	73	7	)	)	PUNCT
esrj-59640	73	8			ADJ
esrj-59640	73	9			NOUN
esrj-59640	73	10	(	(	PUNCT
esrj-59640	73	11	9	9	NUM
esrj-59640	73	12	)	)	PUNCT
esrj-59640	73	13	in	in	ADP
esrj-59640	73	14	equation	equation	NOUN
esrj-59640	73	15	9	9	NUM
esrj-59640	73	16	,	,	PUNCT
esrj-59640	73	17	r	r	NOUN
esrj-59640	73	18	is	be	AUX
esrj-59640	73	19	the	the	DET
esrj-59640	73	20	residual	residual	ADJ
esrj-59640	73	21	field	field	NOUN
esrj-59640	73	22	(	(	PUNCT
esrj-59640	73	23	eq	eq	NOUN
esrj-59640	73	24	.	.	PROPN
esrj-59640	73	25	10	10	NUM
esrj-59640	73	26	)	)	PUNCT
esrj-59640	73	27	.	.	PUNCT
esrj-59640	74	1	r	r	NOUN
esrj-59640	74	2	d	d	NOUN
esrj-59640	74	3	dx	dx	PROPN
esrj-59640	74	4	t	t	PROPN
esrj-59640	74	5	x	x	PROPN
esrj-59640	74	6	t	t	PROPN
esrj-59640	74	7	x	x	PUNCT
esrj-59640	74	8	tobs	tobs	PROPN
esrj-59640	74	9	cal	cal	PROPN
esrj-59640	74	10	,	,	PUNCT
esrj-59640	74	11	,	,	PUNCT
esrj-59640	74	12	,	,	PUNCT
esrj-59640	74	13	,	,	PUNCT
esrj-59640	74	14	,	,	PUNCT
esrj-59640	74	15	,	,	PUNCT
esrj-59640	74	16	(	(	PUNCT
esrj-59640	74	17	)	)	PUNCT
esrj-59640	74	18	=	=	SYM
esrj-59640	74	19	(	(	PUNCT
esrj-59640	74	20	)	)	PUNCT
esrj-59640	75	1	−	−	PROPN
esrj-59640	75	2	(	(	PUNCT
esrj-59640	75	3	)	)	PUNCT
esrj-59640	75	4	(	(	PUNCT
esrj-59640	75	5	)	)	PUNCT
esrj-59640	75	6	=	=	SYM
esrj-59640	75	7	(	(	PUNCT
esrj-59640	75	8	)	)	PUNCT
esrj-59640	75	9	−	−	PROPN
esrj-59640	75	10	(	(	PUNCT
esrj-59640	75	11	)	)	PUNCT
esrj-59640	75	12	(	(	PUNCT
esrj-59640	75	13	)	)	PUNCT
esrj-59640	75	14	r	r	NOUN
esrj-59640	75	15	x	x	SYM
esrj-59640	75	16	t	t	NOUN
esrj-59640	76	1	d	d	X
esrj-59640	76	2	x	x	PROPN
esrj-59640	76	3	t	t	NOUN
esrj-59640	76	4	d	d	X
esrj-59640	76	5	x	x	X
esrj-59640	76	6	tobs	tobs	PROPN
esrj-59640	76	7	cal	cal	X
esrj-59640	76	8	8	8	NUM
esrj-59640	76	9	(	(	PUNCT
esrj-59640	76	10	10	10	NUM
esrj-59640	76	11	)	)	PUNCT
esrj-59640	76	12	the	the	DET
esrj-59640	76	13	sum	sum	NOUN
esrj-59640	76	14	over	over	ADP
esrj-59640	76	15	in	in	ADP
esrj-59640	76	16	equation	equation	NOUN
esrj-59640	76	17	10	10	NUM
esrj-59640	76	18	is	be	AUX
esrj-59640	76	19	sometimes	sometimes	ADV
esrj-59640	76	20	called	call	VERB
esrj-59640	76	21	a	a	DET
esrj-59640	76	22	stack	stack	NOUN
esrj-59640	76	23	(	(	PUNCT
esrj-59640	76	24	fig	fig	NOUN
esrj-59640	76	25	.	.	PUNCT
esrj-59640	77	1	3	3	NUM
esrj-59640	77	2	)	)	PUNCT
esrj-59640	77	3	.	.	PUNCT
esrj-59640	78	1	stack	stack	NOUN
esrj-59640	78	2	uses	use	VERB
esrj-59640	78	3	the	the	DET
esrj-59640	78	4	redundancy	redundancy	NOUN
esrj-59640	78	5	in	in	ADP
esrj-59640	78	6	the	the	DET
esrj-59640	78	7	data	datum	NOUN
esrj-59640	78	8	to	to	PART
esrj-59640	78	9	bring	bring	VERB
esrj-59640	78	10	out	out	ADP
esrj-59640	78	11	the	the	DET
esrj-59640	78	12	information	information	NOUN
esrj-59640	78	13	and	and	CCONJ
esrj-59640	78	14	reveal	reveal	VERB
esrj-59640	78	15	more	more	ADJ
esrj-59640	78	16	details	detail	NOUN
esrj-59640	78	17	(	(	PUNCT
esrj-59640	78	18	demanet	demanet	NOUN
esrj-59640	78	19	,	,	PUNCT
esrj-59640	78	20	2015	2015	NUM
esrj-59640	78	21	)	)	PUNCT
esrj-59640	78	22	.	.	PUNCT
esrj-59640	79	1	a	a	DET
esrj-59640	79	2	systematic	systematic	ADJ
esrj-59640	79	3	way	way	NOUN
esrj-59640	79	4	for	for	ADP
esrj-59640	79	5	solving	solve	VERB
esrj-59640	79	6	back	back	ADV
esrj-59640	79	7	-	-	PUNCT
esrj-59640	79	8	propagated	propagate	VERB
esrj-59640	79	9	wave	wave	NOUN
esrj-59640	79	10	-	-	PUNCT
esrj-59640	79	11	field	field	NOUN
esrj-59640	79	12	(	(	PUNCT
esrj-59640	79	13	eq	eq	NOUN
esrj-59640	79	14	.	.	NOUN
esrj-59640	79	15	9	9	NUM
esrj-59640	79	16	)	)	PUNCT
esrj-59640	79	17	is	be	AUX
esrj-59640	79	18	to	to	PART
esrj-59640	79	19	follow	follow	VERB
esrj-59640	79	20	the	the	DET
esrj-59640	79	21	following	follow	VERB
esrj-59640	79	22	sequence	sequence	NOUN
esrj-59640	79	23	of	of	ADP
esrj-59640	79	24	three	three	NUM
esrj-59640	79	25	steps	step	NOUN
esrj-59640	79	26	:	:	PUNCT
esrj-59640	79	27	(	(	PUNCT
esrj-59640	79	28	1	1	X
esrj-59640	79	29	)	)	PUNCT
esrj-59640	79	30	time	time	NOUN
esrj-59640	79	31	reverse	reverse	VERB
esrj-59640	79	32	the	the	DET
esrj-59640	79	33	data	datum	NOUN
esrj-59640	79	34	residual	residual	ADJ
esrj-59640	79	35	r	r	NOUN
esrj-59640	79	36	x	x	SYM
esrj-59640	79	37	t	t	PROPN
esrj-59640	79	38	,	,	PUNCT
esrj-59640	79	39	(	(	PUNCT
esrj-59640	79	40	)	)	PUNCT
esrj-59640	79	41	at	at	ADP
esrj-59640	79	42	each	each	DET
esrj-59640	79	43	receiver	receiver	ADJ
esrj-59640	79	44	position	position	NOUN
esrj-59640	79	45	,	,	PUNCT
esrj-59640	79	46	(	(	PUNCT
esrj-59640	79	47	2	2	X
esrj-59640	79	48	)	)	PUNCT
esrj-59640	79	49	solve	solve	VERB
esrj-59640	79	50	the	the	DET
esrj-59640	79	51	wave	wave	NOUN
esrj-59640	79	52	equation	equation	NOUN
esrj-59640	79	53	forward	forward	ADV
esrj-59640	79	54	in	in	ADP
esrj-59640	79	55	time	time	NOUN
esrj-59640	79	56	with	with	ADP
esrj-59640	79	57	this	this	DET
esrj-59640	79	58	new	new	ADJ
esrj-59640	79	59	right	right	ADJ
esrj-59640	79	60	hand	hand	NOUN
esrj-59640	79	61	side	side	NOUN
esrj-59640	79	62	,	,	PUNCT
esrj-59640	79	63	and	and	CCONJ
esrj-59640	79	64	(	(	PUNCT
esrj-59640	79	65	3	3	X
esrj-59640	79	66	)	)	PUNCT
esrj-59640	79	67	time	time	NOUN
esrj-59640	79	68	reverse	reverse	VERB
esrj-59640	79	69	the	the	DET
esrj-59640	79	70	result	result	NOUN
esrj-59640	79	71	at	at	ADP
esrj-59640	79	72	each	each	DET
esrj-59640	79	73	receiver	receiver	ADJ
esrj-59640	79	74	position	position	NOUN
esrj-59640	79	75	in	in	ADP
esrj-59640	79	76	x.	x.	PROPN
esrj-59640	79	77	2.3	2.3	NUM
esrj-59640	79	78	optimization	optimization	NOUN
esrj-59640	79	79	:	:	PUNCT
esrj-59640	79	80	non	non	ADJ
esrj-59640	79	81	-	-	ADJ
esrj-59640	79	82	linear	linear	ADJ
esrj-59640	79	83	conjugate	conjugate	ADJ
esrj-59640	79	84	gradient	gradient	NOUN
esrj-59640	79	85	method	method	NOUN
esrj-59640	79	86	conjugate	conjugate	ADJ
esrj-59640	79	87	gradient	gradient	NOUN
esrj-59640	79	88	optimization	optimization	NOUN
esrj-59640	79	89	method	method	NOUN
esrj-59640	79	90	updates	update	VERB
esrj-59640	79	91	the	the	DET
esrj-59640	79	92	velocity	velocity	NOUN
esrj-59640	79	93	model	model	NOUN
esrj-59640	79	94	according	accord	VERB
esrj-59640	79	95	to	to	ADP
esrj-59640	79	96	the	the	DET
esrj-59640	79	97	descent	descent	NOUN
esrj-59640	79	98	direction	direction	NOUN
esrj-59640	79	99	pk	pk	NOUN
esrj-59640	79	100	(	(	PUNCT
esrj-59640	79	101	eq	eq	NOUN
esrj-59640	79	102	.	.	PROPN
esrj-59640	79	103	11	11	NUM
esrj-59640	79	104	)	)	PUNCT
esrj-59640	79	105	.	.	PUNCT
esrj-59640	80	1	v	v	X
esrj-59640	80	2	v	v	NUM
esrj-59640	80	3	pk	pk	NOUN
esrj-59640	80	4	k	k	PROPN
esrj-59640	80	5	k	k	PROPN
esrj-59640	80	6	k+	k+	PROPN
esrj-59640	81	1	=	=	SYM
esrj-59640	81	2	+1	+1	ADJ
esrj-59640	81	3			NOUN
esrj-59640	81	4	(	(	PUNCT
esrj-59640	81	5	11	11	NUM
esrj-59640	81	6	)	)	PUNCT
esrj-59640	81	7	figure	figure	NOUN
esrj-59640	81	8	1	1	NUM
esrj-59640	81	9	.	.	PUNCT
esrj-59640	81	10	effect	effect	NOUN
esrj-59640	81	11	of	of	ADP
esrj-59640	81	12	boundary	boundary	ADJ
esrj-59640	81	13	conditions	condition	NOUN
esrj-59640	81	14	.	.	PUNCT
esrj-59640	82	1	(	(	PUNCT
esrj-59640	82	2	a	a	X
esrj-59640	82	3	)	)	PUNCT
esrj-59640	82	4	wave	wave	NOUN
esrj-59640	82	5	-	-	PUNCT
esrj-59640	82	6	field	field	NOUN
esrj-59640	82	7	at	at	ADP
esrj-59640	82	8	time	time	NOUN
esrj-59640	82	9	0.17	0.17	NUM
esrj-59640	82	10	sec	sec	PROPN
esrj-59640	82	11	.	.	PROPN
esrj-59640	82	12	,	,	PUNCT
esrj-59640	82	13	(	(	PUNCT
esrj-59640	82	14	b	b	X
esrj-59640	82	15	)	)	PUNCT
esrj-59640	82	16	wave	wave	NOUN
esrj-59640	82	17	-	-	PUNCT
esrj-59640	82	18	field	field	NOUN
esrj-59640	82	19	at	at	ADP
esrj-59640	82	20	time	time	NOUN
esrj-59640	82	21	t	t	NOUN
esrj-59640	82	22	=	=	PUNCT
esrj-59640	82	23	0.42	0.42	NUM
esrj-59640	82	24	sec	sec	PROPN
esrj-59640	82	25	(	(	PUNCT
esrj-59640	82	26	no	no	DET
esrj-59640	82	27	boundary	boundary	ADJ
esrj-59640	82	28	condition	condition	NOUN
esrj-59640	82	29	is	be	AUX
esrj-59640	82	30	used	use	VERB
esrj-59640	82	31	)	)	PUNCT
esrj-59640	82	32	,	,	PUNCT
esrj-59640	82	33	(	(	PUNCT
esrj-59640	82	34	c	c	X
esrj-59640	82	35	)	)	PUNCT
esrj-59640	82	36	wave	wave	NOUN
esrj-59640	82	37	-	-	PUNCT
esrj-59640	82	38	field	field	NOUN
esrj-59640	82	39	at	at	ADP
esrj-59640	82	40	time	time	NOUN
esrj-59640	82	41	t	t	NOUN
esrj-59640	82	42	=	=	PUNCT
esrj-59640	82	43	0.42	0.42	NUM
esrj-59640	82	44	sec	sec	PROPN
esrj-59640	82	45	(	(	PUNCT
esrj-59640	82	46	absorbing	absorb	VERB
esrj-59640	82	47	boundary	boundary	ADJ
esrj-59640	82	48	conditions	condition	NOUN
esrj-59640	82	49	is	be	AUX
esrj-59640	82	50	used	use	VERB
esrj-59640	82	51	)	)	PUNCT
esrj-59640	82	52	.	.	PUNCT
esrj-59640	83	1	figure	figure	NOUN
esrj-59640	83	2	2	2	NUM
esrj-59640	83	3	.	.	PUNCT
esrj-59640	84	1	synthetic	synthetic	ADJ
esrj-59640	84	2	shot	shot	NOUN
esrj-59640	84	3	data	datum	NOUN
esrj-59640	84	4	for	for	ADP
esrj-59640	84	5	true	true	ADJ
esrj-59640	84	6	model	model	NOUN
esrj-59640	84	7	at	at	ADP
esrj-59640	84	8	shot	shot	NOUN
esrj-59640	84	9	location	location	NOUN
esrj-59640	84	10	(	(	PUNCT
esrj-59640	84	11	a	a	NOUN
esrj-59640	84	12	)	)	PUNCT
esrj-59640	84	13	x=50	x=50	PROPN
esrj-59640	84	14	-	-	PUNCT
esrj-59640	84	15	m	m	PROPN
esrj-59640	84	16	(	(	PUNCT
esrj-59640	84	17	b	b	NOUN
esrj-59640	84	18	)	)	PUNCT
esrj-59640	84	19	x=360	x=360	PROPN
esrj-59640	84	20	-	-	PUNCT
esrj-59640	84	21	m	m	PROPN
esrj-59640	84	22	(	(	PUNCT
esrj-59640	84	23	c	c	NOUN
esrj-59640	84	24	)	)	PUNCT
esrj-59640	84	25	x=	x=	NOUN
esrj-59640	85	1	670	670	NUM
esrj-59640	85	2	-	-	PUNCT
esrj-59640	85	3	m.	m.	NOUN
esrj-59640	85	4	294	294	NUM
esrj-59640	85	5	sagar	sagar	PROPN
esrj-59640	85	6	singh	singh	PROPN
esrj-59640	85	7	,	,	PUNCT
esrj-59640	85	8	ali	ali	PROPN
esrj-59640	85	9	ismet	ismet	PROPN
esrj-59640	85	10	kanli	kanli	PROPN
esrj-59640	85	11	,	,	PUNCT
esrj-59640	85	12	sagarika	sagarika	PROPN
esrj-59640	85	13	mukhopadhyay	mukhopadhyay	PROPN
esrj-59640	85	14	according	accord	VERB
esrj-59640	85	15	to	to	ADP
esrj-59640	85	16	pica	pica	PROPN
esrj-59640	85	17	et	et	PROPN
esrj-59640	85	18	al	al	PROPN
esrj-59640	85	19	.	.	PROPN
esrj-59640	85	20	,	,	PUNCT
esrj-59640	85	21	(	(	PUNCT
esrj-59640	85	22	1990	1990	NUM
esrj-59640	85	23	)	)	PUNCT
esrj-59640	85	24	step	step	NOUN
esrj-59640	85	25	length	length	NOUN
esrj-59640	85	26	is	be	AUX
esrj-59640	85	27	estimated	estimate	VERB
esrj-59640	85	28	as	as	SCONJ
esrj-59640	85	29	follows	follow	VERB
esrj-59640	85	30	:	:	PUNCT
esrj-59640	85	31	k	k	NUM
esrj-59640	85	32	k	k	X
esrj-59640	85	33	k	k	PROPN
esrj-59640	85	34	obs	obs	PROPN
esrj-59640	86	1	cal	cal	PROPN
esrj-59640	87	1	k	k	PROPN
esrj-59640	87	2	k	k	PROPN
esrj-59640	87	3	k	k	PROPN
esrj-59640	87	4	k	k	X
esrj-59640	87	5	=	=	PUNCT
esrj-59640	87	6	−j	−j	VERB
esrj-59640	87	7	p	p	NOUN
esrj-59640	87	8	d	d	PROPN
esrj-59640	87	9	d	d	X
esrj-59640	87	10	j	j	PROPN
esrj-59640	88	1	p	p	X
esrj-59640	88	2	j	j	PROPN
esrj-59640	88	3	p	p	X
esrj-59640	88	4	,	,	PUNCT
esrj-59640	88	5	,	,	PUNCT
esrj-59640	88	6	�	�	PROPN
esrj-59640	88	7	(	(	PUNCT
esrj-59640	88	8	12	12	NUM
esrj-59640	88	9	)	)	PUNCT
esrj-59640	88	10	where	where	SCONJ
esrj-59640	88	11	,	,	PUNCT
esrj-59640	88	12	jk	jk	PROPN
esrj-59640	88	13	stands	stand	VERB
esrj-59640	88	14	for	for	ADP
esrj-59640	88	15	jacobian	jacobian	ADJ
esrj-59640	88	16	matrix	matrix	NOUN
esrj-59640	88	17	and	and	CCONJ
esrj-59640	88	18	.,.	.,.	NUM
esrj-59640	88	19	denotes	denote	NOUN
esrj-59640	88	20	inner	inner	ADJ
esrj-59640	88	21	product	product	NOUN
esrj-59640	88	22	.	.	PUNCT
esrj-59640	89	1	for	for	ADP
esrj-59640	89	2	computing	compute	VERB
esrj-59640	89	3	the	the	DET
esrj-59640	89	4	direction	direction	NOUN
esrj-59640	89	5	pk	pk	NOUN
esrj-59640	89	6	,	,	PUNCT
esrj-59640	89	7	nlcg	nlcg	ADJ
esrj-59640	89	8	optimization	optimization	NOUN
esrj-59640	89	9	process	process	NOUN
esrj-59640	89	10	is	be	AUX
esrj-59640	89	11	used	use	VERB
esrj-59640	89	12	(	(	PUNCT
esrj-59640	89	13	hanger	hanger	NOUN
esrj-59640	89	14	and	and	CCONJ
esrj-59640	89	15	zhang	zhang	PROPN
esrj-59640	89	16	,	,	PUNCT
esrj-59640	89	17	2005	2005	NUM
esrj-59640	89	18	)	)	PUNCT
esrj-59640	89	19	,	,	PUNCT
esrj-59640	89	20	which	which	PRON
esrj-59640	89	21	decreases	decrease	VERB
esrj-59640	89	22	the	the	DET
esrj-59640	89	23	objective	objective	ADJ
esrj-59640	89	24	function	function	NOUN
esrj-59640	89	25	along	along	ADP
esrj-59640	89	26	the	the	DET
esrj-59640	89	27	conjugate	conjugate	ADJ
esrj-59640	89	28	gradient	gradient	NOUN
esrj-59640	89	29	direction	direction	NOUN
esrj-59640	89	30	(	(	PUNCT
esrj-59640	89	31	eq	eq	NOUN
esrj-59640	89	32	.	.	PROPN
esrj-59640	89	33	13	13	NUM
esrj-59640	89	34	)	)	PUNCT
esrj-59640	89	35	.	.	PUNCT
esrj-59640	90	1	p	p	X
esrj-59640	90	2	v	v	X
esrj-59640	90	3	v	v	INTJ
esrj-59640	90	4	pk	pk	NOUN
esrj-59640	90	5	k	k	PROPN
esrj-59640	91	1	k	k	PROPN
esrj-59640	92	1	k	k	PROPN
esrj-59640	93	1	o	o	X
esrj-59640	94	1	k	k	X
esrj-59640	94	2	o	o	X
esrj-59640	94	3	k	k	X
esrj-59640	94	4	=	=	PUNCT
esrj-59640	94	5	−	−	PROPN
esrj-59640	94	6	∇	∇	X
esrj-59640	94	7	(	(	PUNCT
esrj-59640	94	8	)	)	PUNCT
esrj-59640	94	9	=	=	SYM
esrj-59640	94	10	−∇	−∇	NOUN
esrj-59640	94	11	(	(	PUNCT
esrj-59640	94	12	)	)	PUNCT
esrj-59640	95	1	+	+	CCONJ
esrj-59640	95	2	>	>	X
esrj-59640	95	3			PROPN
esrj-59640	95	4			PRON
esrj-59640	95	5			PROPN
esrj-59640	95	6			PROPN
esrj-59640	95	7	−	−	NOUN
esrj-59640	95	8	0	0	NUM
esrj-59640	95	9	1	1	NUM
esrj-59640	95	10	1	1	NUM
esrj-59640	95	11	1	1	NUM
esrj-59640	95	12	,	,	PUNCT
esrj-59640	95	13			NUM
esrj-59640	95	14	(	(	PUNCT
esrj-59640	95	15	13	13	NUM
esrj-59640	95	16	)	)	PUNCT
esrj-59640	95	17	in	in	ADP
esrj-59640	95	18	equation	equation	NOUN
esrj-59640	95	19	13	13	NUM
esrj-59640	95	20	,	,	PUNCT
esrj-59640	95	21	k	k	PROPN
esrj-59640	95	22	k	k	PROPN
esrj-59640	95	23	is	be	AUX
esrj-59640	95	24	computed	compute	VERB
esrj-59640	95	25	according	accord	VERB
esrj-59640	95	26	to	to	ADP
esrj-59640	95	27	equation	equation	NOUN
esrj-59640	95	28	14	14	NUM
esrj-59640	95	29			NUM
esrj-59640	95	30			NUM
esrj-59640	95	31	k	k	PROPN
esrj-59640	95	32	k	k	PROPN
esrj-59640	95	33	hs	hs	PROPN
esrj-59640	95	34	k	k	PROPN
esrj-59640	95	35	dy=	dy=	PROPN
esrj-59640	95	36	(	(	PUNCT
esrj-59640	95	37	)	)	PUNCT
esrj-59640	95	38	(	(	PUNCT
esrj-59640	95	39	)	)	PUNCT
esrj-59640	95	40	max	max	PROPN
esrj-59640	95	41	,	,	PUNCT
esrj-59640	95	42	min	min	PROPN
esrj-59640	95	43	,	,	PUNCT
esrj-59640	95	44	0	0	NUM
esrj-59640	95	45	(	(	PUNCT
esrj-59640	95	46	14	14	NUM
esrj-59640	95	47	)	)	PUNCT
esrj-59640	95	48	in	in	ADP
esrj-59640	95	49	which	which	PRON
esrj-59640	95	50	γ	γ	X
esrj-59640	95	51	∇	∇	X
esrj-59640	95	52	∇	∇	X
esrj-59640	95	53	−∇	−∇	NOUN
esrj-59640	95	54	∇	∇	NOUN
esrj-59640	95	55	−∇	−∇	NOUN
esrj-59640	95	56	γ	γ	X
esrj-59640	95	57	∇	∇	X
esrj-59640	96	1	−	−	PROPN
esrj-59640	96	2	−	−	PROPN
esrj-59640	97	1	k	k	PROPN
esrj-59640	97	2	hs	hs	PROPN
esrj-59640	98	1	k	k	PROPN
esrj-59640	98	2	k	k	PROPN
esrj-59640	99	1	k	k	PROPN
esrj-59640	99	2	k	k	PROPN
esrj-59640	99	3	k	k	PROPN
esrj-59640	99	4	k	k	PROPN
esrj-59640	99	5	k	k	PROPN
esrj-59640	99	6	dy	dy	NOUN
esrj-59640	99	7	k	k	PROPN
esrj-59640	100	1	=	=	PRON
esrj-59640	100	2	(	(	PUNCT
esrj-59640	100	3	)	)	PUNCT
esrj-59640	100	4	(	(	PUNCT
esrj-59640	100	5	)	)	PUNCT
esrj-59640	100	6	(	(	PUNCT
esrj-59640	100	7	)	)	PUNCT
esrj-59640	100	8	(	(	PUNCT
esrj-59640	100	9	)	)	PUNCT
esrj-59640	100	10	(	(	PUNCT
esrj-59640	100	11	)	)	PUNCT
esrj-59640	100	12	=	=	SYM
esrj-59640	100	13	(	(	PUNCT
esrj-59640	100	14	)	)	PUNCT
esrj-59640	100	15	−	−	NOUN
esrj-59640	101	1	o	o	NOUN
esrj-59640	101	2	v	v	ADP
esrj-59640	101	3	o	o	NOUN
esrj-59640	101	4	v	v	ADP
esrj-59640	101	5	o	o	NOUN
esrj-59640	101	6	v	v	ADP
esrj-59640	101	7	p	p	X
esrj-59640	101	8	o	o	NOUN
esrj-59640	101	9	v	v	ADP
esrj-59640	101	10	o	o	NOUN
esrj-59640	101	11	v	v	ADP
esrj-59640	101	12	o	o	NOUN
esrj-59640	101	13	v	v	NOUN
esrj-59640	101	14	,	,	PUNCT
esrj-59640	101	15	,	,	PUNCT
esrj-59640	101	16	1	1	NUM
esrj-59640	101	17	1	1	NUM
esrj-59640	101	18	1	1	NUM
esrj-59640	101	19	,	,	PUNCT
esrj-59640	101	20	,	,	PUNCT
esrj-59640	101	21	∇	∇	X
esrj-59640	101	22	∇	∇	X
esrj-59640	101	23	−∇	−∇	NOUN
esrj-59640	101	24	,	,	PUNCT
esrj-59640	101	25	−	−	NOUN
esrj-59640	101	26	o	o	NOUN
esrj-59640	102	1	v	v	INTJ
esrj-59640	102	2	p	p	X
esrj-59640	102	3	o	o	NOUN
esrj-59640	102	4	v	v	ADP
esrj-59640	102	5	o	o	NOUN
esrj-59640	102	6	v	v	NOUN
esrj-59640	103	1	k	k	PROPN
esrj-59640	103	2	k	k	PROPN
esrj-59640	103	3	k	k	PROPN
esrj-59640	103	4	k	k	PROPN
esrj-59640	103	5	(	(	PUNCT
esrj-59640	103	6	)	)	PUNCT
esrj-59640	103	7	(	(	PUNCT
esrj-59640	103	8	)	)	PUNCT
esrj-59640	103	9	(	(	PUNCT
esrj-59640	103	10	)	)	PUNCT
esrj-59640	103	11			PROPN
esrj-59640	103	12			ADP
esrj-59640	103	13			PROPN
esrj-59640	103	14			PROPN
esrj-59640	103	15			ADJ
esrj-59640	103	16			PROPN
esrj-59640	103	17			PROPN
esrj-59640	103	18	−1	−1	NOUN
esrj-59640	103	19	1	1	NUM
esrj-59640	103	20	(	(	PUNCT
esrj-59640	103	21	15	15	NUM
esrj-59640	103	22	)	)	PUNCT
esrj-59640	103	23	this	this	PRON
esrj-59640	103	24	provides	provide	VERB
esrj-59640	103	25	an	an	DET
esrj-59640	103	26	automatic	automatic	ADJ
esrj-59640	103	27	direction	direction	NOUN
esrj-59640	103	28	reset	reset	NOUN
esrj-59640	103	29	while	while	SCONJ
esrj-59640	103	30	over	over	ADP
esrj-59640	103	31	-	-	PUNCT
esrj-59640	103	32	correction	correction	NOUN
esrj-59640	103	33	of	of	ADP
esrj-59640	103	34	k	k	NOUN
esrj-59640	103	35	in	in	ADP
esrj-59640	103	36	conjugate	conjugate	ADJ
esrj-59640	103	37	gradient	gradient	NOUN
esrj-59640	103	38	iterations	iteration	NOUN
esrj-59640	103	39	.	.	PUNCT
esrj-59640	104	1	it	it	PRON
esrj-59640	104	2	reduces	reduce	VERB
esrj-59640	104	3	to	to	ADP
esrj-59640	104	4	steepest	steep	ADJ
esrj-59640	104	5	descent	descent	NOUN
esrj-59640	104	6	method	method	NOUN
esrj-59640	104	7	when	when	SCONJ
esrj-59640	104	8	the	the	DET
esrj-59640	104	9	subsequent	subsequent	ADJ
esrj-59640	104	10	search	search	NOUN
esrj-59640	104	11	directions	direction	NOUN
esrj-59640	104	12	lose	lose	VERB
esrj-59640	104	13	conjugacy	conjugacy	PROPN
esrj-59640	104	14	.	.	PUNCT
esrj-59640	105	1	2.4	2.4	NUM
esrj-59640	105	2	numerical	numerical	ADJ
esrj-59640	105	3	computation	computation	NOUN
esrj-59640	105	4	:	:	PUNCT
esrj-59640	105	5	marmousi	marmousi	PROPN
esrj-59640	105	6	velocity	velocity	NOUN
esrj-59640	105	7	model	model	NOUN
esrj-59640	105	8	the	the	DET
esrj-59640	105	9	marmousi	marmousi	PROPN
esrj-59640	105	10	velocity	velocity	NOUN
esrj-59640	105	11	model	model	NOUN
esrj-59640	105	12	is	be	AUX
esrj-59640	105	13	a	a	DET
esrj-59640	105	14	benchmark	benchmark	NOUN
esrj-59640	105	15	model	model	NOUN
esrj-59640	105	16	for	for	ADP
esrj-59640	105	17	testing	test	VERB
esrj-59640	105	18	the	the	DET
esrj-59640	105	19	ability	ability	NOUN
esrj-59640	105	20	of	of	ADP
esrj-59640	105	21	migration	migration	NOUN
esrj-59640	105	22	or	or	CCONJ
esrj-59640	105	23	inversion	inversion	NOUN
esrj-59640	105	24	methods	method	NOUN
esrj-59640	105	25	(	(	PUNCT
esrj-59640	105	26	zhang	zhang	PROPN
esrj-59640	105	27	,	,	PUNCT
esrj-59640	105	28	2009	2009	NUM
esrj-59640	105	29	)	)	PUNCT
esrj-59640	105	30	.	.	PUNCT
esrj-59640	106	1	the	the	DET
esrj-59640	106	2	original	original	ADJ
esrj-59640	106	3	velocity	velocity	NOUN
esrj-59640	106	4	model	model	NOUN
esrj-59640	106	5	is	be	AUX
esrj-59640	106	6	shown	show	VERB
esrj-59640	106	7	in	in	ADP
esrj-59640	106	8	figure	figure	NOUN
esrj-59640	106	9	4	4	NUM
esrj-59640	106	10	.	.	PUNCT
esrj-59640	107	1	however	however	ADV
esrj-59640	107	2	,	,	PUNCT
esrj-59640	107	3	for	for	ADP
esrj-59640	107	4	this	this	DET
esrj-59640	107	5	study	study	NOUN
esrj-59640	107	6	a	a	DET
esrj-59640	107	7	resampled	resample	VERB
esrj-59640	107	8	velocity	velocity	NOUN
esrj-59640	107	9	model	model	NOUN
esrj-59640	107	10	(	(	PUNCT
esrj-59640	107	11	true	true	ADJ
esrj-59640	107	12	velocity	velocity	NOUN
esrj-59640	107	13	model	model	NOUN
esrj-59640	107	14	)	)	PUNCT
esrj-59640	107	15	is	be	AUX
esrj-59640	107	16	used	use	VERB
esrj-59640	107	17	as	as	ADP
esrj-59640	107	18	illustrated	illustrate	VERB
esrj-59640	107	19	in	in	ADP
esrj-59640	107	20	figure	figure	NOUN
esrj-59640	107	21	5	5	NUM
esrj-59640	107	22	.	.	PUNCT
esrj-59640	108	1	the	the	DET
esrj-59640	108	2	initial	initial	ADJ
esrj-59640	108	3	model	model	NOUN
esrj-59640	108	4	is	be	AUX
esrj-59640	108	5	generated	generate	VERB
esrj-59640	108	6	by	by	ADP
esrj-59640	108	7	smoothing	smooth	VERB
esrj-59640	108	8	the	the	DET
esrj-59640	108	9	true	true	ADJ
esrj-59640	108	10	model	model	NOUN
esrj-59640	108	11	using	use	VERB
esrj-59640	108	12	a	a	DET
esrj-59640	108	13	gaussian	gaussian	ADJ
esrj-59640	108	14	kernel	kernel	NOUN
esrj-59640	108	15	(	(	PUNCT
esrj-59640	108	16	fig	fig	NOUN
esrj-59640	108	17	.	.	PUNCT
esrj-59640	109	1	6	6	NUM
esrj-59640	109	2	)	)	PUNCT
esrj-59640	109	3	.	.	PUNCT
esrj-59640	110	1	there	there	PRON
esrj-59640	110	2	were	be	VERB
esrj-59640	110	3	total	total	ADJ
esrj-59640	110	4	31	31	NUM
esrj-59640	110	5	sources	source	NOUN
esrj-59640	110	6	at	at	ADP
esrj-59640	110	7	a	a	DET
esrj-59640	110	8	depth	depth	NOUN
esrj-59640	110	9	of	of	ADP
esrj-59640	110	10	10	10	NUM
esrj-59640	110	11	-	-	PUNCT
esrj-59640	110	12	m	m	NOUN
esrj-59640	110	13	and	and	CCONJ
esrj-59640	110	14	720	720	NUM
esrj-59640	110	15	receivers	receiver	NOUN
esrj-59640	110	16	at	at	ADP
esrj-59640	110	17	a	a	DET
esrj-59640	110	18	depth	depth	NOUN
esrj-59640	110	19	of	of	ADP
esrj-59640	110	20	2	2	NUM
esrj-59640	110	21	-	-	PUNCT
esrj-59640	110	22	m	m	AUX
esrj-59640	110	23	equally	equally	ADV
esrj-59640	110	24	spaced	space	VERB
esrj-59640	110	25	in	in	ADP
esrj-59640	110	26	the	the	DET
esrj-59640	110	27	medium	medium	NOUN
esrj-59640	110	28	.	.	PUNCT
esrj-59640	111	1	absorbing	absorb	VERB
esrj-59640	111	2	boundary	boundary	ADJ
esrj-59640	111	3	condition	condition	NOUN
esrj-59640	111	4	figure	figure	NOUN
esrj-59640	111	5	3	3	NUM
esrj-59640	111	6	.	.	PUNCT
esrj-59640	112	1	an	an	DET
esrj-59640	112	2	example	example	NOUN
esrj-59640	112	3	of	of	ADP
esrj-59640	112	4	gradient	gradient	ADJ
esrj-59640	112	5	computation	computation	NOUN
esrj-59640	112	6	using	use	VERB
esrj-59640	112	7	reverse	reverse	ADJ
esrj-59640	112	8	time	time	NOUN
esrj-59640	112	9	migration	migration	NOUN
esrj-59640	112	10	method	method	NOUN
esrj-59640	112	11	,	,	PUNCT
esrj-59640	112	12	where	where	SCONJ
esrj-59640	112	13	(	(	PUNCT
esrj-59640	112	14	a	a	X
esrj-59640	112	15	)	)	PUNCT
esrj-59640	112	16	is	be	AUX
esrj-59640	112	17	a	a	DET
esrj-59640	112	18	theoretical	theoretical	ADJ
esrj-59640	112	19	model	model	NOUN
esrj-59640	112	20	(	(	PUNCT
esrj-59640	112	21	b	b	NOUN
esrj-59640	112	22	)	)	PUNCT
esrj-59640	112	23	is	be	AUX
esrj-59640	112	24	initial	initial	ADJ
esrj-59640	112	25	model	model	NOUN
esrj-59640	112	26	and	and	CCONJ
esrj-59640	112	27	(	(	PUNCT
esrj-59640	112	28	c	c	X
esrj-59640	112	29	)	)	PUNCT
esrj-59640	112	30	is	be	AUX
esrj-59640	112	31	migrated	migrate	VERB
esrj-59640	112	32	image	image	NOUN
esrj-59640	112	33	.	.	PUNCT
esrj-59640	113	1	295full	295full	PROPN
esrj-59640	113	2	waveform	waveform	VERB
esrj-59640	113	3	inversion	inversion	NOUN
esrj-59640	113	4	in	in	ADP
esrj-59640	113	5	time	time	NOUN
esrj-59640	113	6	and	and	CCONJ
esrj-59640	113	7	frequency	frequency	NOUN
esrj-59640	113	8	domain	domain	NOUN
esrj-59640	113	9	of	of	ADP
esrj-59640	113	10	velocity	velocity	NOUN
esrj-59640	113	11	modeling	modeling	NOUN
esrj-59640	113	12	in	in	ADP
esrj-59640	113	13	seismic	seismic	ADJ
esrj-59640	113	14	imaging	imaging	NOUN
esrj-59640	113	15	:	:	PUNCT
esrj-59640	113	16	fwisimat	fwisimat	ADJ
esrj-59640	113	17	a	a	DET
esrj-59640	113	18	matlab	matlab	PROPN
esrj-59640	113	19	code	code	NOUN
esrj-59640	113	20	is	be	AUX
esrj-59640	113	21	applied	apply	VERB
esrj-59640	113	22	over	over	ADP
esrj-59640	113	23	all	all	DET
esrj-59640	113	24	four	four	NUM
esrj-59640	113	25	edges	edge	NOUN
esrj-59640	113	26	of	of	ADP
esrj-59640	113	27	the	the	DET
esrj-59640	113	28	medium	medium	NOUN
esrj-59640	113	29	.	.	PUNCT
esrj-59640	114	1	grid	grid	NOUN
esrj-59640	114	2	spacing	spacing	NOUN
esrj-59640	114	3	is	be	AUX
esrj-59640	114	4	kept	keep	VERB
esrj-59640	114	5	at	at	ADP
esrj-59640	114	6	∆	∆	PROPN
esrj-59640	114	7	∆x	∆x	PROPN
esrj-59640	114	8	z	z	PROPN
esrj-59640	114	9	�	�	PROPN
esrj-59640	114	10	=(	=(	NOUN
esrj-59640	114	11	)	)	PUNCT
esrj-59640	115	1	=	=	NOUN
esrj-59640	115	2	0.01	0.01	NUM
esrj-59640	115	3	-	-	PUNCT
esrj-59640	115	4	m	m	NOUN
esrj-59640	115	5	,	,	PUNCT
esrj-59640	115	6	sampling	sample	VERB
esrj-59640	115	7	is	be	AUX
esrj-59640	115	8	taken	take	VERB
esrj-59640	115	9	over	over	ADP
esrj-59640	115	10	∆t	∆t	NOUN
esrj-59640	115	11	=	=	SYM
esrj-59640	115	12	0	0	NUM
esrj-59640	115	13	0014	0014	NUM
esrj-59640	115	14	.	.	PUNCT
esrj-59640	116	1	with	with	ADP
esrj-59640	116	2	number	number	NOUN
esrj-59640	116	3	of	of	ADP
esrj-59640	116	4	sample	sample	NOUN
esrj-59640	116	5	point	point	NOUN
esrj-59640	116	6	set	set	VERB
esrj-59640	116	7	as	as	ADP
esrj-59640	116	8	nt=890	nt=890	VERB
esrj-59640	116	9	.	.	PUNCT
esrj-59640	117	1	to	to	PART
esrj-59640	117	2	save	save	VERB
esrj-59640	117	3	computational	computational	ADJ
esrj-59640	117	4	,	,	PUNCT
esrj-59640	117	5	we	we	PRON
esrj-59640	117	6	use	use	VERB
esrj-59640	117	7	the	the	DET
esrj-59640	117	8	whole	whole	ADJ
esrj-59640	117	9	frequency	frequency	NOUN
esrj-59640	117	10	band	band	NOUN
esrj-59640	117	11	(	(	PUNCT
esrj-59640	117	12	0	0	NUM
esrj-59640	117	13	-	-	PUNCT
esrj-59640	117	14	20hz	20hz	NOUN
esrj-59640	117	15	)	)	PUNCT
esrj-59640	117	16	for	for	ADP
esrj-59640	117	17	the	the	DET
esrj-59640	117	18	inversion	inversion	NOUN
esrj-59640	117	19	(	(	PUNCT
esrj-59640	117	20	in	in	ADP
esrj-59640	117	21	frequency	frequency	NOUN
esrj-59640	117	22	domain	domain	NOUN
esrj-59640	117	23	,	,	PUNCT
esrj-59640	117	24	this	this	DET
esrj-59640	117	25	implementation	implementation	NOUN
esrj-59640	117	26	is	be	AUX
esrj-59640	117	27	different	different	ADJ
esrj-59640	117	28	)	)	PUNCT
esrj-59640	117	29	.	.	PUNCT
esrj-59640	118	1	in	in	ADP
esrj-59640	118	2	practice	practice	NOUN
esrj-59640	118	3	,	,	PUNCT
esrj-59640	118	4	multiscaling	multiscale	VERB
esrj-59640	118	5	approach	approach	NOUN
esrj-59640	118	6	is	be	AUX
esrj-59640	118	7	employed	employ	VERB
esrj-59640	118	8	to	to	PART
esrj-59640	118	9	reconstruct	reconstruct	VERB
esrj-59640	118	10	the	the	DET
esrj-59640	118	11	model	model	NOUN
esrj-59640	118	12	from	from	ADP
esrj-59640	118	13	low	low	ADJ
esrj-59640	118	14	to	to	ADP
esrj-59640	118	15	high	high	ADJ
esrj-59640	118	16	frequency	frequency	NOUN
esrj-59640	118	17	fashion	fashion	NOUN
esrj-59640	118	18	(	(	PUNCT
esrj-59640	118	19	as	as	SCONJ
esrj-59640	118	20	discussed	discuss	VERB
esrj-59640	118	21	later	later	ADV
esrj-59640	118	22	in	in	ADP
esrj-59640	118	23	the	the	DET
esrj-59640	118	24	paper	paper	NOUN
esrj-59640	118	25	)	)	PUNCT
esrj-59640	118	26	.	.	PUNCT
esrj-59640	119	1	this	this	DET
esrj-59640	119	2	implementation	implementation	NOUN
esrj-59640	119	3	generally	generally	ADV
esrj-59640	119	4	cause	cause	VERB
esrj-59640	119	5	the	the	DET
esrj-59640	119	6	difference	difference	NOUN
esrj-59640	119	7	of	of	ADP
esrj-59640	119	8	the	the	DET
esrj-59640	119	9	resolution	resolution	NOUN
esrj-59640	119	10	in	in	ADP
esrj-59640	119	11	different	different	ADJ
esrj-59640	119	12	inversion	inversion	NOUN
esrj-59640	119	13	algorithms	algorithm	NOUN
esrj-59640	119	14	.	.	PUNCT
esrj-59640	120	1	however	however	ADV
esrj-59640	120	2	,	,	PUNCT
esrj-59640	120	3	the	the	DET
esrj-59640	120	4	time	time	NOUN
esrj-59640	120	5	-	-	PUNCT
esrj-59640	120	6	domain	domain	NOUN
esrj-59640	120	7	fwi	fwi	NOUN
esrj-59640	120	8	is	be	AUX
esrj-59640	120	9	still	still	ADV
esrj-59640	120	10	able	able	ADJ
esrj-59640	120	11	to	to	PART
esrj-59640	120	12	provide	provide	VERB
esrj-59640	120	13	good	good	ADJ
esrj-59640	120	14	estimation	estimation	NOUN
esrj-59640	120	15	of	of	ADP
esrj-59640	120	16	the	the	DET
esrj-59640	120	17	acoustic	acoustic	ADJ
esrj-59640	120	18	parameter	parameter	NOUN
esrj-59640	120	19	without	without	ADP
esrj-59640	120	20	sacrificing	sacrifice	VERB
esrj-59640	120	21	the	the	DET
esrj-59640	120	22	high	high	ADJ
esrj-59640	120	23	resolution	resolution	NOUN
esrj-59640	120	24	.	.	PUNCT
esrj-59640	121	1	figure	figure	NOUN
esrj-59640	121	2	7	7	NUM
esrj-59640	121	3	and	and	CCONJ
esrj-59640	121	4	figure	figure	VERB
esrj-59640	121	5	8	8	NUM
esrj-59640	121	6	represent	represent	VERB
esrj-59640	121	7	the	the	DET
esrj-59640	121	8	inversion	inversion	NOUN
esrj-59640	121	9	result	result	NOUN
esrj-59640	121	10	after	after	ADP
esrj-59640	121	11	200	200	NUM
esrj-59640	121	12	iterations	iteration	NOUN
esrj-59640	121	13	and	and	CCONJ
esrj-59640	121	14	the	the	DET
esrj-59640	121	15	value	value	NOUN
esrj-59640	121	16	of	of	ADP
esrj-59640	121	17	the	the	DET
esrj-59640	121	18	objective	objective	ADJ
esrj-59640	121	19	function	function	NOUN
esrj-59640	121	20	after	after	ADP
esrj-59640	121	21	each	each	DET
esrj-59640	121	22	iteration	iteration	NOUN
esrj-59640	121	23	.	.	PUNCT
esrj-59640	122	1	a	a	DET
esrj-59640	122	2	more	more	ADV
esrj-59640	122	3	qualified	qualified	ADJ
esrj-59640	122	4	analysis	analysis	NOUN
esrj-59640	122	5	of	of	ADP
esrj-59640	122	6	the	the	DET
esrj-59640	122	7	velocities	velocity	NOUN
esrj-59640	122	8	is	be	AUX
esrj-59640	122	9	easier	easy	ADJ
esrj-59640	122	10	when	when	SCONJ
esrj-59640	122	11	looking	look	VERB
esrj-59640	122	12	at	at	ADP
esrj-59640	122	13	the	the	DET
esrj-59640	122	14	velocity	velocity	NOUN
esrj-59640	122	15	profiles	profile	NOUN
esrj-59640	122	16	in	in	ADP
esrj-59640	122	17	fig	fig	NOUN
esrj-59640	122	18	.	.	PUNCT
esrj-59640	123	1	9	9	X
esrj-59640	123	2	.	.	X
esrj-59640	123	3	velocity	velocity	NOUN
esrj-59640	123	4	logs	log	NOUN
esrj-59640	123	5	at	at	ADP
esrj-59640	123	6	three	three	NUM
esrj-59640	123	7	different	different	ADJ
esrj-59640	123	8	locations	location	NOUN
esrj-59640	123	9	are	be	AUX
esrj-59640	123	10	extracted	extract	VERB
esrj-59640	123	11	(	(	PUNCT
esrj-59640	123	12	at	at	ADP
esrj-59640	123	13	200	200	NUM
esrj-59640	123	14	,	,	PUNCT
esrj-59640	123	15	400	400	NUM
esrj-59640	123	16	and	and	CCONJ
esrj-59640	123	17	600	600	NUM
esrj-59640	123	18	m	m	NOUN
esrj-59640	123	19	)	)	PUNCT
esrj-59640	123	20	from	from	ADP
esrj-59640	123	21	true	true	ADJ
esrj-59640	123	22	,	,	PUNCT
esrj-59640	123	23	initial	initial	ADJ
esrj-59640	123	24	and	and	CCONJ
esrj-59640	123	25	final	final	ADJ
esrj-59640	123	26	model	model	NOUN
esrj-59640	123	27	.	.	PUNCT
esrj-59640	124	1	in	in	ADP
esrj-59640	124	2	all	all	DET
esrj-59640	124	3	three	three	NUM
esrj-59640	124	4	logs	log	NOUN
esrj-59640	124	5	,	,	PUNCT
esrj-59640	124	6	the	the	DET
esrj-59640	124	7	final	final	ADJ
esrj-59640	124	8	velocities	velocity	NOUN
esrj-59640	124	9	from	from	ADP
esrj-59640	124	10	fwi	fwi	ADJ
esrj-59640	124	11	result	result	NOUN
esrj-59640	124	12	matches	match	NOUN
esrj-59640	124	13	with	with	ADP
esrj-59640	124	14	the	the	DET
esrj-59640	124	15	true	true	ADJ
esrj-59640	124	16	velocities	velocity	NOUN
esrj-59640	124	17	very	very	ADV
esrj-59640	124	18	well	well	ADV
esrj-59640	124	19	.	.	PUNCT
esrj-59640	125	1	3	3	X
esrj-59640	125	2	.	.	X
esrj-59640	125	3	fwisimat	fwisimat	ADJ
esrj-59640	125	4	in	in	ADP
esrj-59640	125	5	frequency	frequency	NOUN
esrj-59640	125	6	domain	domain	NOUN
esrj-59640	125	7	frequency	frequency	NOUN
esrj-59640	125	8	domain	domain	NOUN
esrj-59640	125	9	waveform	waveform	NOUN
esrj-59640	125	10	inversion	inversion	NOUN
esrj-59640	125	11	,	,	PUNCT
esrj-59640	125	12	which	which	PRON
esrj-59640	125	13	includes	include	VERB
esrj-59640	125	14	solving	solve	VERB
esrj-59640	125	15	the	the	DET
esrj-59640	125	16	wave	wave	NOUN
esrj-59640	125	17	equation	equation	NOUN
esrj-59640	125	18	forward	forward	ADV
esrj-59640	125	19	modelling	modelling	NOUN
esrj-59640	125	20	and	and	CCONJ
esrj-59640	125	21	inversion	inversion	NOUN
esrj-59640	125	22	,	,	PUNCT
esrj-59640	125	23	is	be	AUX
esrj-59640	125	24	similar	similar	ADJ
esrj-59640	125	25	to	to	ADP
esrj-59640	125	26	time	time	NOUN
esrj-59640	125	27	domain	domain	NOUN
esrj-59640	125	28	waveform	waveform	NOUN
esrj-59640	125	29	inversion	inversion	NOUN
esrj-59640	125	30	.	.	PUNCT
esrj-59640	126	1	the	the	DET
esrj-59640	126	2	efficiency	efficiency	NOUN
esrj-59640	126	3	of	of	ADP
esrj-59640	126	4	frequency	frequency	NOUN
esrj-59640	126	5	domain	domain	NOUN
esrj-59640	126	6	fwi	fwi	NOUN
esrj-59640	126	7	depends	depend	VERB
esrj-59640	126	8	on	on	ADP
esrj-59640	126	9	the	the	DET
esrj-59640	126	10	number	number	NOUN
esrj-59640	126	11	of	of	ADP
esrj-59640	126	12	frequencies	frequency	NOUN
esrj-59640	126	13	used	use	VERB
esrj-59640	126	14	for	for	ADP
esrj-59640	126	15	the	the	DET
esrj-59640	126	16	inversion	inversion	NOUN
esrj-59640	126	17	and	and	CCONJ
esrj-59640	126	18	is	be	AUX
esrj-59640	126	19	independent	independent	ADJ
esrj-59640	126	20	of	of	ADP
esrj-59640	126	21	the	the	DET
esrj-59640	126	22	number	number	NOUN
esrj-59640	126	23	of	of	ADP
esrj-59640	126	24	sources	source	NOUN
esrj-59640	126	25	used	use	VERB
esrj-59640	126	26	for	for	ADP
esrj-59640	126	27	inversion	inversion	NOUN
esrj-59640	126	28	.	.	PUNCT
esrj-59640	127	1	3.1	3.1	NUM
esrj-59640	127	2	forwardmodelling	forwardmodelle	VERB
esrj-59640	127	3	for	for	ADP
esrj-59640	127	4	frequency	frequency	NOUN
esrj-59640	127	5	domain	domain	NOUN
esrj-59640	127	6	forward	forward	ADV
esrj-59640	127	7	modelling	model	VERB
esrj-59640	127	8	equation	equation	NOUN
esrj-59640	127	9	2	2	NUM
esrj-59640	127	10	must	must	AUX
esrj-59640	127	11	be	be	AUX
esrj-59640	127	12	converted	convert	VERB
esrj-59640	127	13	into	into	ADP
esrj-59640	127	14	frequency	frequency	NOUN
esrj-59640	127	15	domain	domain	NOUN
esrj-59640	127	16	(	(	PUNCT
esrj-59640	127	17	eq	eq	NOUN
esrj-59640	127	18	.	.	PROPN
esrj-59640	127	19	16	16	NUM
esrj-59640	127	20	)	)	PUNCT
esrj-59640	127	21	.	.	PUNCT
esrj-59640	128	1			X
esrj-59640	128	2			X
esrj-59640	129	1			X
esrj-59640	129	2			X
esrj-59640	129	3	2	2	NUM
esrj-59640	129	4	2	2	NUM
esrj-59640	129	5	2	2	NUM
esrj-59640	129	6	v	v	NOUN
esrj-59640	129	7	u	u	NOUN
esrj-59640	129	8	u	u	NOUN
esrj-59640	129	9	s	s	NOUN
esrj-59640	129	10	x	x	X
esrj-59640	129	11	z	z	NOUN
esrj-59640	129	12	x	x	X
esrj-59640	129	13	z	z	NOUN
esrj-59640	129	14	x	x	X
esrj-59640	129	15	z	z	NOUN
esrj-59640	129	16	x	x	SYM
esrj-59640	129	17	z	z	NOUN
esrj-59640	129	18	,	,	PUNCT
esrj-59640	129	19	,	,	PUNCT
esrj-59640	129	20	,	,	PUNCT
esrj-59640	129	21	,	,	PUNCT
esrj-59640	129	22	,	,	PUNCT
esrj-59640	129	23	,	,	PUNCT
esrj-59640	129	24	,	,	PUNCT
esrj-59640	129	25	(	(	PUNCT
esrj-59640	129	26	)	)	PUNCT
esrj-59640	129	27	(	(	PUNCT
esrj-59640	129	28	)	)	PUNCT
esrj-59640	129	29	+	+	NUM
esrj-59640	129	30	∇	∇	X
esrj-59640	129	31	(	(	PUNCT
esrj-59640	129	32	)	)	PUNCT
esrj-59640	129	33	=	=	SYM
esrj-59640	129	34	(	(	PUNCT
esrj-59640	129	35	)	)	PUNCT
esrj-59640	129	36	(	(	PUNCT
esrj-59640	129	37	16	16	NUM
esrj-59640	129	38	)	)	PUNCT
esrj-59640	129	39	figure	figure	NOUN
esrj-59640	129	40	4	4	NUM
esrj-59640	129	41	.	.	PUNCT
esrj-59640	129	42	original	original	ADJ
esrj-59640	129	43	marmousi	marmousi	PROPN
esrj-59640	129	44	model	model	NOUN
esrj-59640	129	45	.	.	PUNCT
esrj-59640	130	1	figure	figure	VERB
esrj-59640	130	2	5	5	NUM
esrj-59640	130	3	.	.	PUNCT
esrj-59640	130	4	true	true	ADJ
esrj-59640	130	5	model	model	NOUN
esrj-59640	130	6	.	.	PUNCT
esrj-59640	131	1	figure	figure	VERB
esrj-59640	131	2	6	6	NUM
esrj-59640	131	3	.	.	PUNCT
esrj-59640	131	4	initial	initial	ADJ
esrj-59640	131	5	velocity	velocity	NOUN
esrj-59640	131	6	model	model	NOUN
esrj-59640	131	7	for	for	ADP
esrj-59640	131	8	inversion	inversion	NOUN
esrj-59640	131	9	figure	figure	NOUN
esrj-59640	131	10	7	7	NUM
esrj-59640	131	11	.	.	PUNCT
esrj-59640	131	12	inversion	inversion	NOUN
esrj-59640	131	13	result	result	NOUN
esrj-59640	131	14	after	after	ADP
esrj-59640	131	15	200	200	NUM
esrj-59640	131	16	iteration	iteration	NOUN
esrj-59640	131	17	figure	figure	NOUN
esrj-59640	131	18	8	8	NUM
esrj-59640	131	19	.	.	PUNCT
esrj-59640	131	20	objective	objective	ADJ
esrj-59640	131	21	function	function	NOUN
esrj-59640	131	22	value	value	NOUN
esrj-59640	131	23	in	in	ADP
esrj-59640	131	24	logarithmic	logarithmic	ADJ
esrj-59640	131	25	scale	scale	NOUN
esrj-59640	131	26	at	at	ADP
esrj-59640	131	27	each	each	DET
esrj-59640	131	28	iteration	iteration	NOUN
esrj-59640	131	29	.	.	PUNCT
esrj-59640	132	1	figure	figure	NOUN
esrj-59640	132	2	9	9	NUM
esrj-59640	132	3	.	.	PUNCT
esrj-59640	133	1	velocity	velocity	NOUN
esrj-59640	133	2	log	log	NOUN
esrj-59640	133	3	extracted	extract	VERB
esrj-59640	133	4	at	at	ADP
esrj-59640	133	5	horizontal	horizontal	ADJ
esrj-59640	133	6	distance	distance	NOUN
esrj-59640	133	7	x	x	PUNCT
esrj-59640	134	1	=	=	PUNCT
esrj-59640	134	2	(	(	PUNCT
esrj-59640	134	3	a	a	X
esrj-59640	134	4	)	)	PUNCT
esrj-59640	134	5	200	200	NUM
esrj-59640	134	6	m	m	NOUN
esrj-59640	134	7	(	(	PUNCT
esrj-59640	134	8	b	b	NOUN
esrj-59640	134	9	)	)	PUNCT
esrj-59640	134	10	400	400	NUM
esrj-59640	134	11	m	m	NOUN
esrj-59640	134	12	(	(	PUNCT
esrj-59640	134	13	c	c	NOUN
esrj-59640	134	14	)	)	PUNCT
esrj-59640	134	15	600	600	NUM
esrj-59640	134	16	m	m	NUM
esrj-59640	134	17	296	296	NUM
esrj-59640	134	18	sagar	sagar	NOUN
esrj-59640	134	19	singh	singh	PROPN
esrj-59640	134	20	,	,	PUNCT
esrj-59640	134	21	ali	ali	PROPN
esrj-59640	134	22	ismet	ismet	PROPN
esrj-59640	134	23	kanli	kanli	PROPN
esrj-59640	134	24	,	,	PUNCT
esrj-59640	134	25	sagarika	sagarika	PROPN
esrj-59640	134	26	mukhopadhyay	mukhopadhyay	VERB
esrj-59640	134	27	in	in	ADP
esrj-59640	134	28	equation	equation	NOUN
esrj-59640	134	29	16	16	NUM
esrj-59640	134	30	,	,	PUNCT
esrj-59640	134	31			PROPN
esrj-59640	134	32	is	be	AUX
esrj-59640	134	33	the	the	DET
esrj-59640	134	34	frequency	frequency	NOUN
esrj-59640	134	35	,	,	PUNCT
esrj-59640	135	1	v	v	NOUN
esrj-59640	135	2	x	x	SYM
esrj-59640	135	3	z	z	NOUN
esrj-59640	135	4	,	,	PUNCT
esrj-59640	135	5	(	(	PUNCT
esrj-59640	135	6	)	)	PUNCT
esrj-59640	135	7	is	be	AUX
esrj-59640	135	8	the	the	DET
esrj-59640	135	9	velocity	velocity	NOUN
esrj-59640	135	10	in	in	ADP
esrj-59640	135	11	the	the	DET
esrj-59640	135	12	medium	medium	NOUN
esrj-59640	135	13	,	,	PUNCT
esrj-59640	135	14	u	u	NOUN
esrj-59640	135	15	x	x	PROPN
esrj-59640	135	16	z	z	NOUN
esrj-59640	135	17	,	,	PUNCT
esrj-59640	135	18	,	,	PUNCT
esrj-59640	135	19			X
esrj-59640	135	20	(	(	PUNCT
esrj-59640	135	21	)	)	PUNCT
esrj-59640	135	22	is	be	AUX
esrj-59640	135	23	the	the	DET
esrj-59640	135	24	source	source	NOUN
esrj-59640	135	25	wave	wave	NOUN
esrj-59640	135	26	-	-	PUNCT
esrj-59640	135	27	field	field	NOUN
esrj-59640	135	28	,	,	PUNCT
esrj-59640	135	29	and	and	CCONJ
esrj-59640	135	30	s	s	NOUN
esrj-59640	135	31	x	x	SYM
esrj-59640	135	32	z	z	NOUN
esrj-59640	135	33	,	,	PUNCT
esrj-59640	135	34	,	,	PUNCT
esrj-59640	135	35			X
esrj-59640	135	36	(	(	PUNCT
esrj-59640	135	37	)	)	PUNCT
esrj-59640	135	38	is	be	AUX
esrj-59640	135	39	source	source	NOUN
esrj-59640	135	40	in	in	ADP
esrj-59640	135	41	freuency	freuency	NOUN
esrj-59640	135	42	domain	domain	NOUN
esrj-59640	135	43	(	(	PUNCT
esrj-59640	135	44	fourier	fourier	NOUN
esrj-59640	135	45	-	-	PUNCT
esrj-59640	135	46	transform	transform	NOUN
esrj-59640	135	47	of	of	ADP
esrj-59640	135	48	time	time	NOUN
esrj-59640	135	49	-	-	PUNCT
esrj-59640	135	50	domain	domain	NOUN
esrj-59640	135	51	source	source	NOUN
esrj-59640	135	52	wavelet	wavelet	NOUN
esrj-59640	135	53	)	)	PUNCT
esrj-59640	135	54	.	.	PUNCT
esrj-59640	136	1	the	the	DET
esrj-59640	136	2	boundary	boundary	ADJ
esrj-59640	136	3	condition	condition	NOUN
esrj-59640	136	4	in	in	ADP
esrj-59640	136	5	frequency	frequency	NOUN
esrj-59640	136	6	domain	domain	NOUN
esrj-59640	136	7	is	be	AUX
esrj-59640	136	8	given	give	VERB
esrj-59640	136	9	as	as	SCONJ
esrj-59640	136	10	follows	follow	VERB
esrj-59640	136	11	:	:	PUNCT
esrj-59640	136	12			ADJ
esrj-59640	136	13			ADJ
esrj-59640	136	14	u	u	PROPN
esrj-59640	136	15	n	n	CCONJ
esrj-59640	136	16	u−	u−	PROPN
esrj-59640	136	17	(	(	PUNCT
esrj-59640	136	18	)	)	PUNCT
esrj-59640	136	19	=	=	NOUN
esrj-59640	136	20	ih	ih	NOUN
esrj-59640	136	21	x	x	SYM
esrj-59640	136	22	y	y	PROPN
esrj-59640	136	23	,	,	PUNCT
esrj-59640	136	24	0	0	NUM
esrj-59640	136	25	(	(	PUNCT
esrj-59640	136	26	17	17	NUM
esrj-59640	136	27	)	)	PUNCT
esrj-59640	136	28	where	where	SCONJ
esrj-59640	136	29	,	,	PUNCT
esrj-59640	136	30	nn	nn	X
esrj-59640	136	31	is	be	AUX
esrj-59640	136	32	the	the	DET
esrj-59640	136	33	outward	outward	ADJ
esrj-59640	136	34	normal	normal	ADJ
esrj-59640	136	35	of	of	ADP
esrj-59640	136	36	the	the	DET
esrj-59640	136	37	boundary	boundary	NOUN
esrj-59640	136	38	,	,	PUNCT
esrj-59640	136	39	h	h	NOUN
esrj-59640	136	40	x	x	X
esrj-59640	136	41	z=	z=	PROPN
esrj-59640	136	42	(	(	PUNCT
esrj-59640	136	43	)	)	PUNCT
esrj-59640	136	44			X
esrj-59640	136	45	/	/	SYM
esrj-59640	136	46	,	,	PUNCT
esrj-59640	136	47	v	v	NOUN
esrj-59640	136	48	,	,	PUNCT
esrj-59640	136	49	and	and	CCONJ
esrj-59640	136	50	i	i	PRON
esrj-59640	136	51	is	be	AUX
esrj-59640	136	52	the	the	DET
esrj-59640	136	53	imaginary	imaginary	ADJ
esrj-59640	136	54	unit	unit	NOUN
esrj-59640	136	55	(	(	PUNCT
esrj-59640	136	56	erlangga	erlangga	PROPN
esrj-59640	136	57	,	,	PUNCT
esrj-59640	136	58	2008	2008	NUM
esrj-59640	136	59	;	;	PUNCT
esrj-59640	136	60	zhang	zhang	PROPN
esrj-59640	136	61	and	and	CCONJ
esrj-59640	136	62	dai	dai	PROPN
esrj-59640	136	63	,	,	PUNCT
esrj-59640	136	64	2013	2013	NUM
esrj-59640	136	65	)	)	PUNCT
esrj-59640	136	66	.	.	PUNCT
esrj-59640	137	1	by	by	ADP
esrj-59640	137	2	means	mean	NOUN
esrj-59640	137	3	of	of	ADP
esrj-59640	137	4	the	the	DET
esrj-59640	137	5	finite	finite	ADJ
esrj-59640	137	6	difference	difference	NOUN
esrj-59640	137	7	technology	technology	NOUN
esrj-59640	137	8	along	along	ADP
esrj-59640	137	9	with	with	ADP
esrj-59640	137	10	the	the	DET
esrj-59640	137	11	boundary	boundary	ADJ
esrj-59640	137	12	condition	condition	NOUN
esrj-59640	137	13	,	,	PUNCT
esrj-59640	137	14	the	the	DET
esrj-59640	137	15	wave	wave	NOUN
esrj-59640	137	16	equation	equation	NOUN
esrj-59640	137	17	(	(	PUNCT
esrj-59640	137	18	eq	eq	NOUN
esrj-59640	137	19	.	.	PROPN
esrj-59640	137	20	16	16	NUM
esrj-59640	137	21	and	and	CCONJ
esrj-59640	137	22	17	17	NUM
esrj-59640	137	23	)	)	PUNCT
esrj-59640	137	24	can	can	AUX
esrj-59640	137	25	be	be	AUX
esrj-59640	137	26	recast	recast	VERB
esrj-59640	137	27	into	into	ADP
esrj-59640	137	28	matrix	matrix	NOUN
esrj-59640	137	29	form	form	NOUN
esrj-59640	137	30	as	as	SCONJ
esrj-59640	137	31	follows	follow	VERB
esrj-59640	137	32	:	:	PUNCT
esrj-59640	137	33	au	au	PROPN
esrj-59640	137	34	s=	s=	PROPN
esrj-59640	137	35	(	(	PUNCT
esrj-59640	137	36	18	18	NUM
esrj-59640	137	37	)	)	PUNCT
esrj-59640	137	38	in	in	ADP
esrj-59640	137	39	equation	equation	NOUN
esrj-59640	137	40	18	18	NUM
esrj-59640	137	41	,	,	PUNCT
esrj-59640	137	42	a	a	PRON
esrj-59640	137	43	is	be	AUX
esrj-59640	137	44	a	a	DET
esrj-59640	137	45	complex	complex	ADV
esrj-59640	137	46	-	-	PUNCT
esrj-59640	137	47	valued	value	VERB
esrj-59640	137	48	,	,	PUNCT
esrj-59640	137	49	nx	nx	PROPN
esrj-59640	137	50	x	x	SYM
esrj-59640	137	51	nz	nz	PROPN
esrj-59640	137	52	(	(	PUNCT
esrj-59640	137	53	discretization	discretization	NOUN
esrj-59640	137	54	along	along	ADP
esrj-59640	137	55	xx	xx	NUM
esrj-59640	137	56	and	and	CCONJ
esrj-59640	137	57	z	z	NOUN
esrj-59640	137	58	direction	direction	NOUN
esrj-59640	137	59	)	)	PUNCT
esrj-59640	137	60	order	order	NOUN
esrj-59640	137	61	impedance	impedance	NOUN
esrj-59640	137	62	matrix	matrix	NOUN
esrj-59640	137	63	and	and	CCONJ
esrj-59640	137	64	it	it	PRON
esrj-59640	137	65	depends	depend	VERB
esrj-59640	137	66	on	on	ADP
esrj-59640	137	67	frequency	frequency	NOUN
esrj-59640	137	68	,	,	PUNCT
esrj-59640	137	69	medium	medium	ADJ
esrj-59640	137	70	properties	property	NOUN
esrj-59640	137	71	,	,	PUNCT
esrj-59640	137	72	finite	finite	ADJ
esrj-59640	137	73	difference	difference	NOUN
esrj-59640	137	74	format	format	NOUN
esrj-59640	137	75	,	,	PUNCT
esrj-59640	137	76	and	and	CCONJ
esrj-59640	137	77	boundary	boundary	ADJ
esrj-59640	137	78	conditions	condition	NOUN
esrj-59640	137	79	(	(	PUNCT
esrj-59640	137	80	wang	wang	PROPN
esrj-59640	137	81	et	et	PROPN
esrj-59640	137	82	al	al	PROPN
esrj-59640	137	83	.	.	PROPN
esrj-59640	137	84	,	,	PUNCT
esrj-59640	137	85	2012	2012	NUM
esrj-59640	137	86	)	)	PUNCT
esrj-59640	137	87	.	.	PUNCT
esrj-59640	138	1	solving	solve	VERB
esrj-59640	138	2	the	the	DET
esrj-59640	138	3	linear	linear	ADJ
esrj-59640	138	4	system	system	NOUN
esrj-59640	138	5	in	in	ADP
esrj-59640	138	6	equation	equation	NOUN
esrj-59640	138	7	18	18	NUM
esrj-59640	138	8	wave	wave	NOUN
esrj-59640	138	9	-	-	PUNCT
esrj-59640	138	10	field	field	NOUN
esrj-59640	138	11	can	can	AUX
esrj-59640	138	12	be	be	AUX
esrj-59640	138	13	obtained	obtain	VERB
esrj-59640	138	14	(	(	PUNCT
esrj-59640	138	15	fig	fig	NOUN
esrj-59640	138	16	.	.	PUNCT
esrj-59640	138	17	10	10	NUM
esrj-59640	138	18	)	)	PUNCT
esrj-59640	138	19	.	.	PUNCT
esrj-59640	139	1	wave	wave	NOUN
esrj-59640	139	2	-	-	PUNCT
esrj-59640	139	3	fields	field	NOUN
esrj-59640	139	4	are	be	AUX
esrj-59640	139	5	recorded	record	VERB
esrj-59640	139	6	for	for	ADP
esrj-59640	139	7	each	each	DET
esrj-59640	139	8	frequency	frequency	NOUN
esrj-59640	139	9	at	at	ADP
esrj-59640	139	10	each	each	DET
esrj-59640	139	11	receiver	receiver	ADJ
esrj-59640	139	12	positions	position	NOUN
esrj-59640	139	13	per	per	ADP
esrj-59640	139	14	source	source	NOUN
esrj-59640	139	15	.	.	PUNCT
esrj-59640	140	1	in	in	ADP
esrj-59640	140	2	fwisimat	fwisimat	NOUN
esrj-59640	140	3	the	the	DET
esrj-59640	140	4	above	above	ADV
esrj-59640	140	5	mentioned	mention	VERB
esrj-59640	140	6	process	process	NOUN
esrj-59640	140	7	is	be	AUX
esrj-59640	140	8	implementation	implementation	NOUN
esrj-59640	140	9	as	as	SCONJ
esrj-59640	140	10	follows	follow	VERB
esrj-59640	140	11	:	:	PUNCT
esrj-59640	141	1	d	d	X
esrj-59640	141	2	r	r	NOUN
esrj-59640	141	3	*	*	PUNCT
esrj-59640	141	4	a	a	DET
esrj-59640	141	5	q=	q=	ADV
esrj-59640	141	6	(	(	PUNCT
esrj-59640	141	7	)	)	PUNCT
esrj-59640	141	8	′	′	NUM
esrj-59640	141	9	\	\	NOUN
esrj-59640	142	1	(	(	PUNCT
esrj-59640	142	2	19	19	NUM
esrj-59640	142	3	)	)	PUNCT
esrj-59640	142	4	in	in	ADP
esrj-59640	142	5	equation	equation	NOUN
esrj-59640	142	6	19	19	NUM
esrj-59640	142	7	,	,	PUNCT
esrj-59640	142	8	d	d	NOUN
esrj-59640	142	9	=(	=(	ADJ
esrj-59640	142	10	)	)	PUNCT
esrj-59640	142	11	dcal	dcal	ADJ
esrj-59640	142	12	,	,	PUNCT
esrj-59640	142	13	\	\	PROPN
esrj-59640	142	14	is	be	AUX
esrj-59640	142	15	the	the	DET
esrj-59640	142	16	matrix	matrix	NOUN
esrj-59640	142	17	inversion	inversion	NOUN
esrj-59640	142	18	operator	operator	NOUN
esrj-59640	142	19	and	and	CCONJ
esrj-59640	142	20	r	r	NOUN
esrj-59640	142	21	´	´	NOUN
esrj-59640	142	22	is	be	AUX
esrj-59640	142	23	the	the	DET
esrj-59640	142	24	transpose	transpose	NOUN
esrj-59640	142	25	of	of	ADP
esrj-59640	142	26	the	the	DET
esrj-59640	142	27	vector	vector	NOUN
esrj-59640	142	28	consisting	consist	VERB
esrj-59640	142	29	receivers	receiver	NOUN
esrj-59640	142	30	at	at	ADP
esrj-59640	142	31	spatial	spatial	ADJ
esrj-59640	142	32	positions	position	NOUN
esrj-59640	142	33	and	and	CCONJ
esrj-59640	142	34	q	q	NOUN
esrj-59640	142	35	is	be	AUX
esrj-59640	142	36	the	the	DET
esrj-59640	142	37	source	source	NOUN
esrj-59640	142	38	vector	vector	NOUN
esrj-59640	142	39	.	.	PUNCT
esrj-59640	143	1	figure	figure	NOUN
esrj-59640	143	2	11	11	NUM
esrj-59640	143	3	illustrate	illustrate	VERB
esrj-59640	143	4	the	the	DET
esrj-59640	143	5	data	datum	NOUN
esrj-59640	143	6	obtained	obtain	VERB
esrj-59640	143	7	from	from	ADP
esrj-59640	143	8	a	a	DET
esrj-59640	143	9	same	same	ADJ
esrj-59640	143	10	source	source	NOUN
esrj-59640	143	11	but	but	CCONJ
esrj-59640	143	12	for	for	ADP
esrj-59640	143	13	different	different	ADJ
esrj-59640	143	14	frequencies	frequency	NOUN
esrj-59640	143	15	.	.	PUNCT
esrj-59640	144	1	3.2	3.2	NUM
esrj-59640	144	2	gradient	gradient	NOUN
esrj-59640	144	3	computation	computation	NOUN
esrj-59640	144	4	:	:	PUNCT
esrj-59640	144	5	reverse	reverse	VERB
esrj-59640	144	6	time	time	NOUN
esrj-59640	144	7	migration	migration	NOUN
esrj-59640	144	8	the	the	DET
esrj-59640	144	9	gradient	gradient	NOUN
esrj-59640	144	10	of	of	ADP
esrj-59640	144	11	the	the	DET
esrj-59640	144	12	objective	objective	ADJ
esrj-59640	144	13	function	function	NOUN
esrj-59640	144	14	in	in	ADP
esrj-59640	144	15	frequency	frequency	NOUN
esrj-59640	144	16	domain	domain	NOUN
esrj-59640	144	17	is	be	AUX
esrj-59640	144	18	given	give	VERB
esrj-59640	144	19	as	as	ADP
esrj-59640	144	20	follows	follow	NOUN
esrj-59640	144	21	,	,	PUNCT
esrj-59640	144	22	∇	∇	X
esrj-59640	144	23	(	(	PUNCT
esrj-59640	144	24	)	)	PUNCT
esrj-59640	144	25	=	=	SYM
esrj-59640	144	26	−	−	PROPN
esrj-59640	144	27	(	(	PUNCT
esrj-59640	144	28	)	)	PUNCT
esrj-59640	144	29	(	(	PUNCT
esrj-59640	144	30	)	)	PUNCT
esrj-59640	144	31	∫o	∫o	PROPN
esrj-59640	144	32	v	v	X
esrj-59640	144	33	q	q	X
esrj-59640	144	34	u0	u0	ADJ
esrj-59640	144	35	2	2	NUM
esrj-59640	144	36	02π	02π	PUNCT
esrj-59640	144	37	ω	ω	PROPN
esrj-59640	144	38	ω	ω	PROPN
esrj-59640	144	39	ω	ω	PROPN
esrj-59640	144	40	ω	ω	PROPN
esrj-59640	144	41	r	r	NOUN
esrj-59640	144	42	s	s	X
esrj-59640	144	43	sx	sx	PROPN
esrj-59640	144	44	z	z	PROPN
esrj-59640	144	45	x	x	PROPN
esrj-59640	144	46	z	z	PUNCT
esrj-59640	144	47	d	d	PROPN
esrj-59640	144	48	�	�	PROPN
esrj-59640	144	49	�	�	PROPN
esrj-59640	144	50	,	,	PUNCT
esrj-59640	144	51	,	,	PUNCT
esrj-59640	144	52	,	,	PUNCT
esrj-59640	144	53	,	,	PUNCT
esrj-59640	144	54	,	,	PUNCT
esrj-59640	144	55	(	(	PUNCT
esrj-59640	144	56	20	20	NUM
esrj-59640	144	57	)	)	PUNCT
esrj-59640	144	58	where	where	SCONJ
esrj-59640	144	59	,	,	PUNCT
esrj-59640	144	60	u0	u0	ADJ
esrj-59640	144	61	,	,	PUNCT
esrj-59640	144	62	,	,	PUNCT
esrj-59640	144	63	,	,	PUNCT
esrj-59640	144	64	s	s	NOUN
esrj-59640	144	65	x	x	X
esrj-59640	144	66	z	z	PROPN
esrj-59640	144	67			X
esrj-59640	144	68	(	(	PUNCT
esrj-59640	144	69	)	)	PUNCT
esrj-59640	144	70	represent	represent	VERB
esrj-59640	144	71	the	the	DET
esrj-59640	144	72	complex	complex	ADJ
esrj-59640	144	73	conjugate	conjugate	ADJ
esrj-59640	144	74	operator	operator	NOUN
esrj-59640	144	75	(	(	PUNCT
esrj-59640	144	76	demanent	demanent	NOUN
esrj-59640	144	77	,	,	PUNCT
esrj-59640	144	78	2015	2015	NUM
esrj-59640	144	79	)	)	PUNCT
esrj-59640	144	80	.	.	PUNCT
esrj-59640	145	1	the	the	DET
esrj-59640	145	2	integral	integral	ADJ
esrj-59640	145	3	in	in	ADP
esrj-59640	145	4			PROPN
esrj-59640	145	5	in	in	ADP
esrj-59640	145	6	above	above	ADP
esrj-59640	145	7	equation	equation	NOUN
esrj-59640	145	8	is	be	AUX
esrj-59640	145	9	over	over	ADP
esrj-59640	145	10	r	r	NOUN
esrj-59640	145	11	and	and	CCONJ
esrj-59640	145	12	should	should	AUX
esrj-59640	145	13	be	be	AUX
esrj-59640	145	14	truncated	truncate	VERB
esrj-59640	145	15	to	to	ADP
esrj-59640	145	16	the	the	DET
esrj-59640	145	17	number	number	NOUN
esrj-59640	145	18	of	of	ADP
esrj-59640	145	19	frequencies	frequency	NOUN
esrj-59640	145	20	used	use	VERB
esrj-59640	145	21	in	in	ADP
esrj-59640	145	22	the	the	DET
esrj-59640	145	23	process	process	NOUN
esrj-59640	145	24	.	.	PUNCT
esrj-59640	146	1	equation	equation	NOUN
esrj-59640	146	2	20	20	NUM
esrj-59640	146	3	represents	represent	VERB
esrj-59640	146	4	the	the	DET
esrj-59640	146	5	frequency	frequency	NOUN
esrj-59640	146	6	domain	domain	NOUN
esrj-59640	146	7	version	version	NOUN
esrj-59640	146	8	of	of	ADP
esrj-59640	146	9	equation	equation	NOUN
esrj-59640	146	10	10	10	NUM
esrj-59640	146	11	.	.	PUNCT
esrj-59640	147	1	in	in	ADP
esrj-59640	147	2	fwisimat	fwisimat	ADJ
esrj-59640	147	3	the	the	DET
esrj-59640	147	4	back	back	ADV
esrj-59640	147	5	-	-	PUNCT
esrj-59640	147	6	propagated	propagate	VERB
esrj-59640	147	7	wave	wave	NOUN
esrj-59640	147	8	-	-	PUNCT
esrj-59640	147	9	field	field	NOUN
esrj-59640	147	10	qs	qs	NOUN
esrj-59640	147	11	x	x	PROPN
esrj-59640	147	12	z	z	PROPN
esrj-59640	147	13	,	,	PUNCT
esrj-59640	147	14	,	,	PUNCT
esrj-59640	147	15			X
esrj-59640	147	16	(	(	PUNCT
esrj-59640	147	17	)	)	PUNCT
esrj-59640	147	18	is	be	AUX
esrj-59640	147	19	computed	compute	VERB
esrj-59640	147	20	as	as	SCONJ
esrj-59640	147	21	follows	follow	VERB
esrj-59640	147	22	:	:	PUNCT
esrj-59640	147	23	figure	figure	NOUN
esrj-59640	147	24	10	10	NUM
esrj-59640	147	25	.	.	PUNCT
esrj-59640	148	1	wave	wave	NOUN
esrj-59640	148	2	-	-	PUNCT
esrj-59640	148	3	field	field	NOUN
esrj-59640	148	4	recorded	record	VERB
esrj-59640	148	5	at	at	ADP
esrj-59640	148	6	frequency	frequency	NOUN
esrj-59640	148	7	(	(	PUNCT
esrj-59640	148	8	a	a	X
esrj-59640	148	9	)	)	PUNCT
esrj-59640	148	10	5	5	NUM
esrj-59640	148	11	hz	hz	X
esrj-59640	148	12	(	(	PUNCT
esrj-59640	148	13	b	b	NOUN
esrj-59640	148	14	)	)	PUNCT
esrj-59640	148	15	12	12	NUM
esrj-59640	148	16	hz	hz	X
esrj-59640	148	17	(	(	PUNCT
esrj-59640	148	18	c	c	NOUN
esrj-59640	148	19	)	)	PUNCT
esrj-59640	148	20	20	20	NUM
esrj-59640	148	21	hz	hz	NOUN
esrj-59640	148	22	.	.	PUNCT
esrj-59640	149	1	297full	297full	PROPN
esrj-59640	149	2	waveform	waveform	VERB
esrj-59640	149	3	inversion	inversion	NOUN
esrj-59640	149	4	in	in	ADP
esrj-59640	149	5	time	time	NOUN
esrj-59640	149	6	and	and	CCONJ
esrj-59640	149	7	frequency	frequency	NOUN
esrj-59640	149	8	domain	domain	NOUN
esrj-59640	149	9	of	of	ADP
esrj-59640	149	10	velocity	velocity	NOUN
esrj-59640	149	11	modeling	modeling	NOUN
esrj-59640	149	12	in	in	ADP
esrj-59640	149	13	seismic	seismic	ADJ
esrj-59640	149	14	imaging	imaging	NOUN
esrj-59640	149	15	:	:	PUNCT
esrj-59640	149	16	fwisimat	fwisimat	ADJ
esrj-59640	149	17	a	a	DET
esrj-59640	149	18	matlab	matlab	PROPN
esrj-59640	149	19	code	code	NOUN
esrj-59640	149	20	figure	figure	NOUN
esrj-59640	149	21	11	11	NUM
esrj-59640	149	22	.	.	PUNCT
esrj-59640	150	1	frequency	frequency	NOUN
esrj-59640	150	2	data	datum	NOUN
esrj-59640	150	3	for	for	ADP
esrj-59640	150	4	true	true	ADJ
esrj-59640	150	5	model	model	NOUN
esrj-59640	150	6	at	at	ADP
esrj-59640	150	7	,	,	PUNCT
esrj-59640	150	8	(	(	PUNCT
esrj-59640	150	9	a	a	X
esrj-59640	150	10	)	)	PUNCT
esrj-59640	150	11	5	5	NUM
esrj-59640	150	12	hz	hz	VERB
esrj-59640	150	13	frequency	frequency	NOUN
esrj-59640	150	14	component	component	NOUN
esrj-59640	150	15	,	,	PUNCT
esrj-59640	150	16	real	real	ADJ
esrj-59640	150	17	(	(	PUNCT
esrj-59640	150	18	b	b	NOUN
esrj-59640	150	19	)	)	PUNCT
esrj-59640	150	20	5	5	NUM
esrj-59640	150	21	hz	hz	VERB
esrj-59640	150	22	frequency	frequency	NOUN
esrj-59640	150	23	component	component	NOUN
esrj-59640	150	24	,	,	PUNCT
esrj-59640	150	25	imaginary	imaginary	ADJ
esrj-59640	150	26	(	(	PUNCT
esrj-59640	150	27	c	c	NOUN
esrj-59640	150	28	)	)	PUNCT
esrj-59640	150	29	12	12	NUM
esrj-59640	150	30	hz	hz	VERB
esrj-59640	150	31	frequency	frequency	NOUN
esrj-59640	150	32	component	component	NOUN
esrj-59640	150	33	,	,	PUNCT
esrj-59640	150	34	real	real	ADJ
esrj-59640	150	35	(	(	PUNCT
esrj-59640	150	36	d	d	NOUN
esrj-59640	150	37	)	)	PUNCT
esrj-59640	150	38	12	12	NUM
esrj-59640	150	39	hz	hz	VERB
esrj-59640	150	40	frequency	frequency	NOUN
esrj-59640	150	41	component	component	NOUN
esrj-59640	150	42	,	,	PUNCT
esrj-59640	150	43	imaginary	imaginary	ADJ
esrj-59640	150	44	(	(	PUNCT
esrj-59640	150	45	e	e	NOUN
esrj-59640	150	46	)	)	PUNCT
esrj-59640	150	47	20	20	NUM
esrj-59640	150	48	hz	hz	VERB
esrj-59640	150	49	frequency	frequency	NOUN
esrj-59640	150	50	component	component	NOUN
esrj-59640	150	51	,	,	PUNCT
esrj-59640	150	52	real	real	ADJ
esrj-59640	150	53	(	(	PUNCT
esrj-59640	150	54	f	f	X
esrj-59640	150	55	)	)	PUNCT
esrj-59640	150	56	20	20	NUM
esrj-59640	150	57	hz	hz	VERB
esrj-59640	150	58	frequency	frequency	NOUN
esrj-59640	150	59	component	component	NOUN
esrj-59640	150	60	,	,	PUNCT
esrj-59640	150	61	imaginary	imaginary	ADJ
esrj-59640	150	62	298	298	NUM
esrj-59640	150	63	sagar	sagar	NOUN
esrj-59640	150	64	singh	singh	PROPN
esrj-59640	150	65	,	,	PUNCT
esrj-59640	150	66	ali	ali	PROPN
esrj-59640	150	67	ismet	ismet	PROPN
esrj-59640	150	68	kanli	kanli	PROPN
esrj-59640	150	69	,	,	PUNCT
esrj-59640	150	70	sagarika	sagarika	PROPN
esrj-59640	150	71	mukhopadhyay	mukhopadhyay	PROPN
esrj-59640	150	72	figure	figure	VERB
esrj-59640	150	73	14	14	NUM
esrj-59640	150	74	shows	show	VERB
esrj-59640	150	75	the	the	DET
esrj-59640	150	76	velocity	velocity	NOUN
esrj-59640	150	77	comparison	comparison	NOUN
esrj-59640	150	78	among	among	ADP
esrj-59640	150	79	the	the	DET
esrj-59640	150	80	final	final	ADJ
esrj-59640	150	81	,	,	PUNCT
esrj-59640	150	82	true	true	ADJ
esrj-59640	150	83	model	model	NOUN
esrj-59640	150	84	and	and	CCONJ
esrj-59640	150	85	initial	initial	ADJ
esrj-59640	150	86	model	model	NOUN
esrj-59640	150	87	at	at	ADP
esrj-59640	150	88	different	different	ADJ
esrj-59640	150	89	horizontal	horizontal	ADJ
esrj-59640	150	90	distances	distance	NOUN
esrj-59640	150	91	.	.	PUNCT
esrj-59640	151	1	after	after	SCONJ
esrj-59640	151	2	frequency	frequency	NOUN
esrj-59640	151	3	domain	domain	NOUN
esrj-59640	151	4	waveform	waveform	VERB
esrj-59640	151	5	inversion	inversion	NOUN
esrj-59640	151	6	algorithm	algorithm	NOUN
esrj-59640	151	7	,	,	PUNCT
esrj-59640	151	8	the	the	DET
esrj-59640	151	9	final	final	ADJ
esrj-59640	151	10	result	result	NOUN
esrj-59640	151	11	is	be	AUX
esrj-59640	151	12	obtained	obtain	VERB
esrj-59640	151	13	close	close	ADV
esrj-59640	151	14	to	to	ADP
esrj-59640	151	15	the	the	DET
esrj-59640	151	16	true	true	ADJ
esrj-59640	151	17	velocity	velocity	NOUN
esrj-59640	151	18	model	model	NOUN
esrj-59640	151	19	,	,	PUNCT
esrj-59640	151	20	especially	especially	ADV
esrj-59640	151	21	that	that	SCONJ
esrj-59640	151	22	the	the	DET
esrj-59640	151	23	near	near	ADJ
esrj-59640	151	24	-	-	PUNCT
esrj-59640	151	25	surface	surface	NOUN
esrj-59640	151	26	speed	speed	NOUN
esrj-59640	151	27	is	be	AUX
esrj-59640	151	28	almost	almost	ADV
esrj-59640	151	29	identical	identical	ADJ
esrj-59640	151	30	to	to	ADP
esrj-59640	151	31	the	the	DET
esrj-59640	151	32	theoretical	theoretical	ADJ
esrj-59640	151	33	model	model	NOUN
esrj-59640	151	34	.	.	PUNCT
esrj-59640	152	1	the	the	DET
esrj-59640	152	2	results	result	NOUN
esrj-59640	152	3	confirm	confirm	VERB
esrj-59640	152	4	the	the	DET
esrj-59640	152	5	validity	validity	NOUN
esrj-59640	152	6	of	of	ADP
esrj-59640	152	7	the	the	DET
esrj-59640	152	8	algorithm	algorithm	NOUN
esrj-59640	152	9	.	.	PUNCT
esrj-59640	153	1	4	4	X
esrj-59640	153	2	.	.	X
esrj-59640	153	3	conclusions	conclusion	NOUN
esrj-59640	153	4	the	the	DET
esrj-59640	153	5	full	full	ADJ
esrj-59640	153	6	waveform	waveform	NOUN
esrj-59640	153	7	inversion	inversion	NOUN
esrj-59640	153	8	method	method	NOUN
esrj-59640	153	9	and	and	CCONJ
esrj-59640	153	10	its	its	PRON
esrj-59640	153	11	capabilities	capability	NOUN
esrj-59640	153	12	,	,	PUNCT
esrj-59640	153	13	when	when	SCONJ
esrj-59640	153	14	applied	apply	VERB
esrj-59640	153	15	to	to	ADP
esrj-59640	153	16	a	a	DET
esrj-59640	153	17	complex	complex	ADJ
esrj-59640	153	18	geological	geological	ADJ
esrj-59640	153	19	model	model	NOUN
esrj-59640	153	20	,	,	PUNCT
esrj-59640	153	21	have	have	AUX
esrj-59640	153	22	been	be	AUX
esrj-59640	153	23	presented	present	VERB
esrj-59640	153	24	in	in	ADP
esrj-59640	153	25	this	this	DET
esrj-59640	153	26	study	study	NOUN
esrj-59640	153	27	.	.	PUNCT
esrj-59640	154	1	the	the	DET
esrj-59640	154	2	fwisimat	fwisimat	ADJ
esrj-59640	154	3	algorithm	algorithm	NOUN
esrj-59640	154	4	used	use	VERB
esrj-59640	154	5	in	in	ADP
esrj-59640	154	6	the	the	DET
esrj-59640	154	7	study	study	NOUN
esrj-59640	154	8	,	,	PUNCT
esrj-59640	154	9	performs	perform	VERB
esrj-59640	154	10	an	an	DET
esrj-59640	154	11	iterative	iterative	NOUN
esrj-59640	154	12	search	search	NOUN
esrj-59640	154	13	for	for	ADP
esrj-59640	154	14	a	a	DET
esrj-59640	154	15	velocity	velocity	NOUN
esrj-59640	154	16	model	model	NOUN
esrj-59640	154	17	that	that	PRON
esrj-59640	154	18	minimizes	minimize	VERB
esrj-59640	154	19	the	the	DET
esrj-59640	154	20	residuals	residual	NOUN
esrj-59640	154	21	between	between	ADP
esrj-59640	154	22	the	the	DET
esrj-59640	154	23	data	datum	NOUN
esrj-59640	154	24	computed	compute	VERB
esrj-59640	154	25	in	in	ADP
esrj-59640	154	26	the	the	DET
esrj-59640	154	27	velocity	velocity	NOUN
esrj-59640	154	28	model	model	NOUN
esrj-59640	154	29	and	and	CCONJ
esrj-59640	154	30	the	the	DET
esrj-59640	154	31	observed	observed	ADJ
esrj-59640	154	32	data	datum	NOUN
esrj-59640	154	33	,	,	PUNCT
esrj-59640	154	34	i.e.	i.e.	X
esrj-59640	154	35	the	the	DET
esrj-59640	154	36	final	final	ADJ
esrj-59640	154	37	result	result	NOUN
esrj-59640	154	38	is	be	AUX
esrj-59640	154	39	a	a	DET
esrj-59640	154	40	“	"	PUNCT
esrj-59640	154	41	best	good	ADJ
esrj-59640	154	42	fit	fit	ADJ
esrj-59640	154	43	”	"	PUNCT
esrj-59640	154	44	model	model	NOUN
esrj-59640	154	45	.	.	PUNCT
esrj-59640	155	1	the	the	DET
esrj-59640	155	2	whole	whole	ADJ
esrj-59640	155	3	wave	wave	NOUN
esrj-59640	155	4	-	-	PUNCT
esrj-59640	155	5	field	field	NOUN
esrj-59640	155	6	,	,	PUNCT
esrj-59640	155	7	including	include	VERB
esrj-59640	155	8	both	both	CCONJ
esrj-59640	155	9	waveform	waveform	NOUN
esrj-59640	155	10	and	and	CCONJ
esrj-59640	155	11	phase	phase	NOUN
esrj-59640	155	12	,	,	PUNCT
esrj-59640	155	13	is	be	AUX
esrj-59640	155	14	being	be	AUX
esrj-59640	155	15	used	use	VERB
esrj-59640	155	16	as	as	ADP
esrj-59640	155	17	data	datum	NOUN
esrj-59640	155	18	.	.	PUNCT
esrj-59640	156	1	fwisimat	fwisimat	ADJ
esrj-59640	156	2	computes	compute	NOUN
esrj-59640	156	3	in	in	ADP
esrj-59640	156	4	the	the	DET
esrj-59640	156	5	time	time	NOUN
esrj-59640	156	6	and	and	CCONJ
esrj-59640	156	7	frequency	frequency	NOUN
esrj-59640	156	8	domain	domain	NOUN
esrj-59640	156	9	.	.	PUNCT
esrj-59640	157	1	comparing	compare	VERB
esrj-59640	157	2	with	with	ADP
esrj-59640	157	3	the	the	DET
esrj-59640	157	4	frequency	frequency	NOUN
esrj-59640	157	5	domain	domain	NOUN
esrj-59640	157	6	inversion	inversion	NOUN
esrj-59640	157	7	method	method	NOUN
esrj-59640	157	8	,	,	PUNCT
esrj-59640	157	9	the	the	DET
esrj-59640	157	10	time	time	NOUN
esrj-59640	157	11	domain	domain	NOUN
esrj-59640	157	12	method	method	NOUN
esrj-59640	157	13	has	have	VERB
esrj-59640	157	14	the	the	DET
esrj-59640	157	15	advantage	advantage	NOUN
esrj-59640	157	16	of	of	ADP
esrj-59640	157	17	high	high	ADJ
esrj-59640	157	18	efficiency	efficiency	NOUN
esrj-59640	157	19	in	in	ADP
esrj-59640	157	20	forward	forward	ADV
esrj-59640	157	21	modelling	modelling	NOUN
esrj-59640	157	22	as	as	SCONJ
esrj-59640	157	23	the	the	DET
esrj-59640	157	24	wave	wave	NOUN
esrj-59640	157	25	modelling	modelling	NOUN
esrj-59640	157	26	in	in	ADP
esrj-59640	157	27	frequency	frequency	NOUN
esrj-59640	157	28	domain	domain	NOUN
esrj-59640	157	29	requires	require	VERB
esrj-59640	157	30	solving	solve	VERB
esrj-59640	157	31	a	a	DET
esrj-59640	157	32	large	large	ADJ
esrj-59640	157	33	-	-	PUNCT
esrj-59640	157	34	scale	scale	NOUN
esrj-59640	157	35	system	system	NOUN
esrj-59640	157	36	at	at	ADP
esrj-59640	157	37	each	each	DET
esrj-59640	157	38	iteration	iteration	NOUN
esrj-59640	157	39	which	which	PRON
esrj-59640	157	40	is	be	AUX
esrj-59640	157	41	time	time	NOUN
esrj-59640	157	42	consuming	consume	VERB
esrj-59640	157	43	for	for	ADP
esrj-59640	157	44	large	large	ADJ
esrj-59640	157	45	scale	scale	NOUN
esrj-59640	157	46	problems	problem	NOUN
esrj-59640	157	47	.	.	PUNCT
esrj-59640	158	1	apart	apart	ADV
esrj-59640	158	2	from	from	ADP
esrj-59640	158	3	this	this	PRON
esrj-59640	158	4	,	,	PUNCT
esrj-59640	158	5	time	time	NOUN
esrj-59640	158	6	domain	domain	NOUN
esrj-59640	158	7	modelling	modelling	NOUN
esrj-59640	158	8	provides	provide	VERB
esrj-59640	158	9	the	the	DET
esrj-59640	158	10	most	most	ADV
esrj-59640	158	11	flexible	flexible	ADJ
esrj-59640	158	12	framework	framework	NOUN
esrj-59640	158	13	to	to	PART
esrj-59640	158	14	apply	apply	VERB
esrj-59640	158	15	time	time	NOUN
esrj-59640	158	16	windowing	windowing	NOUN
esrj-59640	158	17	of	of	ADP
esrj-59640	158	18	arbitrary	arbitrary	ADJ
esrj-59640	158	19	geometry	geometry	NOUN
esrj-59640	158	20	.	.	PUNCT
esrj-59640	159	1	in	in	ADP
esrj-59640	159	2	the	the	DET
esrj-59640	159	3	frequency	frequency	NOUN
esrj-59640	159	4	domain	domain	NOUN
esrj-59640	159	5	,	,	PUNCT
esrj-59640	159	6	the	the	DET
esrj-59640	159	7	computational	computational	ADJ
esrj-59640	159	8	cost	cost	NOUN
esrj-59640	159	9	is	be	AUX
esrj-59640	159	10	only	only	ADV
esrj-59640	159	11	proportional	proportional	ADJ
esrj-59640	159	12	to	to	ADP
esrj-59640	159	13	the	the	DET
esrj-59640	159	14	number	number	NOUN
esrj-59640	159	15	of	of	ADP
esrj-59640	159	16	frequencies	frequency	NOUN
esrj-59640	159	17	used	use	VERB
esrj-59640	159	18	in	in	ADP
esrj-59640	159	19	the	the	DET
esrj-59640	159	20	inversion	inversion	NOUN
esrj-59640	159	21	,	,	PUNCT
esrj-59640	159	22	and	and	CCONJ
esrj-59640	159	23	not	not	PART
esrj-59640	159	24	the	the	DET
esrj-59640	159	25	number	number	NOUN
esrj-59640	159	26	of	of	ADP
esrj-59640	159	27	sources	source	NOUN
esrj-59640	159	28	.	.	PUNCT
esrj-59640	160	1	if	if	SCONJ
esrj-59640	160	2	the	the	DET
esrj-59640	160	3	seismic	seismic	ADJ
esrj-59640	160	4	data	data	NOUN
esrj-59640	160	5	contains	contain	VERB
esrj-59640	160	6	wide	wide	ADJ
esrj-59640	160	7	angle	angle	NOUN
esrj-59640	160	8	components	component	NOUN
esrj-59640	160	9	,	,	PUNCT
esrj-59640	160	10	there	there	PRON
esrj-59640	160	11	will	will	AUX
esrj-59640	160	12	be	be	AUX
esrj-59640	160	13	a	a	DET
esrj-59640	160	14	redundancy	redundancy	NOUN
esrj-59640	160	15	in	in	ADP
esrj-59640	160	16	the	the	DET
esrj-59640	160	17	wave	wave	NOUN
esrj-59640	160	18	number	number	NOUN
esrj-59640	160	19	spectrum	spectrum	NOUN
esrj-59640	160	20	present	present	ADJ
esrj-59640	160	21	in	in	ADP
esrj-59640	160	22	the	the	DET
esrj-59640	160	23	data	datum	NOUN
esrj-59640	160	24	,	,	PUNCT
esrj-59640	160	25	such	such	DET
esrj-59640	160	26	a	a	DET
esrj-59640	160	27	redundancy	redundancy	NOUN
esrj-59640	160	28	can	can	AUX
esrj-59640	160	29	be	be	AUX
esrj-59640	160	30	exploited	exploit	VERB
esrj-59640	160	31	in	in	ADP
esrj-59640	160	32	the	the	DET
esrj-59640	160	33	frequency	frequency	NOUN
esrj-59640	160	34	domain	domain	NOUN
esrj-59640	160	35	fwi	fwi	NOUN
esrj-59640	160	36	by	by	ADP
esrj-59640	160	37	inverting	invert	VERB
esrj-59640	160	38	fewer	few	ADJ
esrj-59640	160	39	frequencies	frequency	NOUN
esrj-59640	160	40	(	(	PUNCT
esrj-59640	160	41	and	and	CCONJ
esrj-59640	160	42	hence	hence	ADV
esrj-59640	160	43	save	save	VERB
esrj-59640	160	44	computational	computational	ADJ
esrj-59640	160	45	costs	cost	NOUN
esrj-59640	160	46	)	)	PUNCT
esrj-59640	160	47	because	because	SCONJ
esrj-59640	160	48	it	it	PRON
esrj-59640	160	49	is	be	AUX
esrj-59640	160	50	possible	possible	ADJ
esrj-59640	160	51	to	to	PART
esrj-59640	160	52	invert	invert	VERB
esrj-59640	160	53	for	for	ADP
esrj-59640	160	54	single	single	ADJ
esrj-59640	160	55	,	,	PUNCT
esrj-59640	160	56	discrete	discrete	ADJ
esrj-59640	160	57	frequencies	frequency	NOUN
esrj-59640	160	58	one	one	NUM
esrj-59640	160	59	at	at	ADP
esrj-59640	160	60	the	the	DET
esrj-59640	160	61	time	time	NOUN
esrj-59640	160	62	.	.	PUNCT
esrj-59640	161	1	another	another	DET
esrj-59640	161	2	great	great	ADJ
esrj-59640	161	3	advantage	advantage	NOUN
esrj-59640	161	4	with	with	ADP
esrj-59640	161	5	the	the	DET
esrj-59640	161	6	frequency	frequency	NOUN
esrj-59640	161	7	domain	domain	NOUN
esrj-59640	161	8	implementation	implementation	NOUN
esrj-59640	161	9	is	be	AUX
esrj-59640	161	10	the	the	DET
esrj-59640	161	11	ease	ease	NOUN
esrj-59640	161	12	and	and	CCONJ
esrj-59640	161	13	efficiency	efficiency	NOUN
esrj-59640	161	14	when	when	SCONJ
esrj-59640	161	15	adding	add	VERB
esrj-59640	161	16	multiple	multiple	ADJ
esrj-59640	161	17	sources	source	NOUN
esrj-59640	161	18	.	.	PUNCT
esrj-59640	162	1	the	the	DET
esrj-59640	162	2	method	method	NOUN
esrj-59640	162	3	is	be	AUX
esrj-59640	162	4	very	very	ADV
esrj-59640	162	5	sensitive	sensitive	ADJ
esrj-59640	162	6	to	to	ADP
esrj-59640	162	7	the	the	DET
esrj-59640	162	8	non	non	NOUN
esrj-59640	162	9	-	-	NOUN
esrj-59640	162	10	linearity	linearity	NOUN
esrj-59640	162	11	of	of	ADP
esrj-59640	162	12	the	the	DET
esrj-59640	162	13	problem	problem	NOUN
esrj-59640	162	14	,	,	PUNCT
esrj-59640	162	15	v	v	ADP
esrj-59640	162	16	a	a	DET
esrj-59640	162	17	r	r	NOUN
esrj-59640	162	18	*	*	PUNCT
esrj-59640	162	19	d	d	NOUN
esrj-59640	162	20	r	r	NOUN
esrj-59640	162	21	*	*	PUNCT
esrj-59640	162	22	a	a	DET
esrj-59640	162	23	sobs=	sobs=	NUM
esrj-59640	162	24	−	−	PROPN
esrj-59640	162	25	(	(	PUNCT
esrj-59640	162	26	)	)	PUNCT
esrj-59640	162	27	(	(	PUNCT
esrj-59640	162	28	)	)	PUNCT
esrj-59640	162	29	′	′	NUM
esrj-59640	162	30	′\	′\	PROPN
esrj-59640	162	31	(	(	PUNCT
esrj-59640	162	32	\	\	PROPN
esrj-59640	162	33	(	(	PUNCT
esrj-59640	162	34	21	21	NUM
esrj-59640	162	35	)	)	PUNCT
esrj-59640	162	36	where	where	SCONJ
esrj-59640	162	37	,	,	PUNCT
esrj-59640	162	38	v	v	PROPN
esrj-59640	162	39	(	(	PUNCT
esrj-59640	162	40	)	)	PUNCT
esrj-59640	162	41	=	=	SYM
esrj-59640	162	42	qs	qs	NOUN
esrj-59640	162	43			NOUN
esrj-59640	162	44	is	be	AUX
esrj-59640	162	45	back	back	ADV
esrj-59640	162	46	-	-	PUNCT
esrj-59640	162	47	propagated	propagate	VERB
esrj-59640	162	48	wave	wave	NOUN
esrj-59640	162	49	-	-	PUNCT
esrj-59640	162	50	field	field	NOUN
esrj-59640	162	51	.	.	PUNCT
esrj-59640	163	1	dobs	dob	NOUN
esrj-59640	163	2	can	can	AUX
esrj-59640	163	3	be	be	AUX
esrj-59640	163	4	obtained	obtain	VERB
esrj-59640	163	5	from	from	ADP
esrj-59640	163	6	equation	equation	NOUN
esrj-59640	163	7	19	19	NUM
esrj-59640	163	8	if	if	SCONJ
esrj-59640	163	9	applied	apply	VERB
esrj-59640	163	10	on	on	ADP
esrj-59640	163	11	true	true	ADJ
esrj-59640	163	12	model	model	NOUN
esrj-59640	163	13	.	.	PUNCT
esrj-59640	164	1	3.3	3.3	NUM
esrj-59640	164	2	optimization	optimization	NOUN
esrj-59640	164	3	:	:	PUNCT
esrj-59640	164	4	broyden	broyden	ADJ
esrj-59640	164	5	-	-	PUNCT
esrj-59640	164	6	fletcher	fletcher	PROPN
esrj-59640	164	7	-	-	PUNCT
esrj-59640	164	8	goldfarb	goldfarb	NOUN
esrj-59640	164	9	-	-	PUNCT
esrj-59640	164	10	shanno	shanno	NOUN
esrj-59640	164	11	(	(	PUNCT
esrj-59640	164	12	bfgs	bfgs	ADJ
esrj-59640	164	13	)	)	PUNCT
esrj-59640	164	14	in	in	ADP
esrj-59640	164	15	time	time	NOUN
esrj-59640	164	16	domain	domain	NOUN
esrj-59640	164	17	fwi	fwi	NOUN
esrj-59640	164	18	,	,	PUNCT
esrj-59640	164	19	nlcg	nlcg	ADJ
esrj-59640	164	20	optimization	optimization	NOUN
esrj-59640	164	21	method	method	NOUN
esrj-59640	164	22	is	be	AUX
esrj-59640	164	23	used	use	VERB
esrj-59640	164	24	.	.	PUNCT
esrj-59640	165	1	nlcg	nlcg	ADJ
esrj-59640	165	2	consumes	consume	VERB
esrj-59640	165	3	a	a	DET
esrj-59640	165	4	substantial	substantial	ADJ
esrj-59640	165	5	time	time	NOUN
esrj-59640	165	6	to	to	PART
esrj-59640	165	7	converge	converge	VERB
esrj-59640	165	8	.	.	PUNCT
esrj-59640	166	1	according	accord	VERB
esrj-59640	166	2	to	to	ADP
esrj-59640	166	3	zhang	zhang	PROPN
esrj-59640	166	4	and	and	CCONJ
esrj-59640	166	5	luo	luo	PROPN
esrj-59640	166	6	(	(	PUNCT
esrj-59640	166	7	2013	2013	NUM
esrj-59640	166	8	)	)	PUNCT
esrj-59640	166	9	,	,	PUNCT
esrj-59640	166	10	the	the	DET
esrj-59640	166	11	bfgs	bfgs	ADJ
esrj-59640	166	12	based	base	VERB
esrj-59640	166	13	method	method	NOUN
esrj-59640	166	14	has	have	VERB
esrj-59640	166	15	higher	high	ADJ
esrj-59640	166	16	inversion	inversion	NOUN
esrj-59640	166	17	accuracy	accuracy	NOUN
esrj-59640	166	18	and	and	CCONJ
esrj-59640	166	19	converge	converge	VERB
esrj-59640	166	20	faster	fast	ADV
esrj-59640	166	21	than	than	ADP
esrj-59640	166	22	the	the	DET
esrj-59640	166	23	conjugate	conjugate	ADJ
esrj-59640	166	24	gradient	gradient	NOUN
esrj-59640	166	25	based	base	VERB
esrj-59640	166	26	algorithm	algorithm	NOUN
esrj-59640	166	27	because	because	SCONJ
esrj-59640	166	28	the	the	DET
esrj-59640	166	29	later	later	ADV
esrj-59640	166	30	uses	use	VERB
esrj-59640	166	31	the	the	DET
esrj-59640	166	32	second	second	ADJ
esrj-59640	166	33	order	order	NOUN
esrj-59640	166	34	derivative	derivative	ADJ
esrj-59640	166	35	information	information	NOUN
esrj-59640	166	36	in	in	ADP
esrj-59640	166	37	computation	computation	NOUN
esrj-59640	166	38	.	.	PUNCT
esrj-59640	167	1	the	the	DET
esrj-59640	167	2	bfgs	bfgs	ADJ
esrj-59640	167	3	method	method	NOUN
esrj-59640	167	4	is	be	AUX
esrj-59640	167	5	a	a	DET
esrj-59640	167	6	quasi	quasi	NOUN
esrj-59640	167	7	-	-	ADJ
esrj-59640	167	8	newton	newton	PROPN
esrj-59640	167	9	method	method	NOUN
esrj-59640	167	10	which	which	PRON
esrj-59640	167	11	proposed	propose	VERB
esrj-59640	167	12	dependently	dependently	ADV
esrj-59640	167	13	by	by	ADP
esrj-59640	167	14	broyden	broyden	PROPN
esrj-59640	167	15	(	(	PUNCT
esrj-59640	167	16	1970	1970	NUM
esrj-59640	167	17	)	)	PUNCT
esrj-59640	167	18	,	,	PUNCT
esrj-59640	167	19	fletcher	fletcher	PROPN
esrj-59640	167	20	(	(	PUNCT
esrj-59640	167	21	1970	1970	NUM
esrj-59640	167	22	)	)	PUNCT
esrj-59640	167	23	,	,	PUNCT
esrj-59640	167	24	goldfarb	goldfarb	PROPN
esrj-59640	167	25	(	(	PUNCT
esrj-59640	167	26	1970	1970	NUM
esrj-59640	167	27	)	)	PUNCT
esrj-59640	167	28	,	,	PUNCT
esrj-59640	167	29	shanno	shanno	NOUN
esrj-59640	167	30	(	(	PUNCT
esrj-59640	167	31	1970	1970	NUM
esrj-59640	167	32	)	)	PUNCT
esrj-59640	167	33	.	.	PUNCT
esrj-59640	168	1	let	let	VERB
esrj-59640	168	2	hk	hk	PROPN
esrj-59640	168	3	is	be	AUX
esrj-59640	168	4	the	the	DET
esrj-59640	168	5	inverse	inverse	ADJ
esrj-59640	168	6	hessian	hessian	NOUN
esrj-59640	168	7	approximation	approximation	NOUN
esrj-59640	168	8	then	then	ADV
esrj-59640	168	9	the	the	DET
esrj-59640	168	10	next	next	ADJ
esrj-59640	168	11	iterate	iterate	NOUN
esrj-59640	168	12	will	will	AUX
esrj-59640	168	13	be	be	AUX
esrj-59640	168	14	given	give	VERB
esrj-59640	168	15	as	as	SCONJ
esrj-59640	168	16	follows	follow	VERB
esrj-59640	168	17	:	:	PUNCT
esrj-59640	169	1	h	h	NOUN
esrj-59640	169	2	h	h	NOUN
esrj-59640	170	1	bb	bb	INTJ
esrj-59640	171	1	g	g	PROPN
esrj-59640	171	2	b	b	PROPN
esrj-59640	171	3	g	g	PROPN
esrj-59640	171	4	h	h	NOUN
esrj-59640	171	5	g	g	PROPN
esrj-59640	171	6	g	g	PROPN
esrj-59640	171	7	b	b	PROPN
esrj-59640	171	8	g	g	PROPN
esrj-59640	171	9	b	b	PROPN
esrj-59640	171	10	bg	bg	PROPN
esrj-59640	171	11	h	h	PROPN
esrj-59640	172	1	h	h	PROPN
esrj-59640	172	2	gbk	gbk	PROPN
esrj-59640	172	3	k	k	PROPN
esrj-59640	172	4	t	t	PROPN
esrj-59640	172	5	t	t	PROPN
esrj-59640	172	6	t	t	PROPN
esrj-59640	172	7	k	k	PROPN
esrj-59640	172	8	t	t	PROPN
esrj-59640	172	9	t	t	PROPN
esrj-59640	172	10	t	t	PROPN
esrj-59640	172	11	k	k	PROPN
esrj-59640	172	12	k	k	PROPN
esrj-59640	172	13	t	t	PROPN
esrj-59640	172	14	+	+	CCONJ
esrj-59640	172	15	=	=	PUNCT
esrj-59640	173	1	+	+	CCONJ
esrj-59640	173	2	+	+	NUM
esrj-59640	173	3			NOUN
esrj-59640	173	4			NOUN
esrj-59640	173	5			ADJ
esrj-59640	173	6			ADJ
esrj-59640	173	7			PROPN
esrj-59640	173	8			PROPN
esrj-59640	173	9			PROPN
esrj-59640	173	10			PROPN
esrj-59640	173	11	−	−	PROPN
esrj-59640	174	1	+	+	NOUN
esrj-59640	174	2			PROPN
esrj-59640	174	3			NOUN
esrj-59640	175	1			ADJ
esrj-59640	175	2	1	1	NOUN
esrj-59640	175	3	1	1	NUM
esrj-59640	175	4	1	1	NUM
esrj-59640	175	5	(	(	PUNCT
esrj-59640	175	6	22	22	NUM
esrj-59640	175	7	)	)	PUNCT
esrj-59640	175	8	where	where	SCONJ
esrj-59640	175	9	,	,	PUNCT
esrj-59640	175	10	b	b	X
esrj-59640	175	11	m	m	PROPN
esrj-59640	175	12	mk	mk	PROPN
esrj-59640	175	13	k	k	PROPN
esrj-59640	175	14	k=	k=	PROPN
esrj-59640	175	15	−+1	−+1	NOUN
esrj-59640	175	16	and	and	CCONJ
esrj-59640	175	17	g	g	NOUN
esrj-59640	175	18	o	o	PROPN
esrj-59640	175	19	m	m	VERB
esrj-59640	175	20	o	o	NOUN
esrj-59640	175	21	mk	mk	PROPN
esrj-59640	175	22	k	k	PROPN
esrj-59640	175	23	k=	k=	X
esrj-59640	175	24	∇	∇	PROPN
esrj-59640	175	25	(	(	PUNCT
esrj-59640	175	26	)	)	PUNCT
esrj-59640	176	1	−	−	NOUN
esrj-59640	176	2	∇	∇	X
esrj-59640	176	3	(	(	PUNCT
esrj-59640	176	4	)	)	PUNCT
esrj-59640	176	5	+1	+1	PROPN
esrj-59640	176	6	.	.	PUNCT
esrj-59640	177	1	for	for	ADP
esrj-59640	177	2	k	k	PROPN
esrj-59640	177	3	=	=	SYM
esrj-59640	177	4	1	1	NUM
esrj-59640	177	5	,	,	PUNCT
esrj-59640	177	6	h1	h1	PROPN
esrj-59640	177	7	can	can	AUX
esrj-59640	177	8	be	be	AUX
esrj-59640	177	9	approximated	approximate	VERB
esrj-59640	177	10	by	by	ADP
esrj-59640	177	11	an	an	DET
esrj-59640	177	12	identity	identity	NOUN
esrj-59640	177	13	matrix	matrix	NOUN
esrj-59640	177	14	.	.	PUNCT
esrj-59640	178	1	the	the	DET
esrj-59640	178	2	next	next	ADJ
esrj-59640	178	3	update	update	NOUN
esrj-59640	178	4	on	on	ADP
esrj-59640	178	5	the	the	DET
esrj-59640	178	6	model	model	NOUN
esrj-59640	178	7	parameter	parameter	NOUN
esrj-59640	178	8	is	be	AUX
esrj-59640	178	9	given	give	VERB
esrj-59640	178	10	as	as	SCONJ
esrj-59640	178	11	follows	follow	VERB
esrj-59640	178	12	:	:	PUNCT
esrj-59640	178	13	m	m	VERB
esrj-59640	178	14	m	m	VERB
esrj-59640	178	15	pk	pk	NOUN
esrj-59640	178	16	k	k	X
esrj-59640	178	17	k	k	X
esrj-59640	178	18	k+	k+	PROPN
esrj-59640	179	1	=	=	SYM
esrj-59640	179	2	+1	+1	ADJ
esrj-59640	179	3			NOUN
esrj-59640	179	4	(	(	PUNCT
esrj-59640	179	5	23	23	NUM
esrj-59640	179	6	)	)	PUNCT
esrj-59640	179	7	where	where	SCONJ
esrj-59640	179	8	,	,	PUNCT
esrj-59640	179	9	p	p	NOUN
esrj-59640	179	10	v	v	X
esrj-59640	179	11	h	h	NOUN
esrj-59640	179	12	vk	vk	ADP
esrj-59640	179	13	k	k	PROPN
esrj-59640	180	1	k	k	PROPN
esrj-59640	181	1	i	i	PRON
esrj-59640	181	2	o	o	VERB
esrj-59640	182	1	k	k	X
esrj-59640	182	2	o	o	X
esrj-59640	182	3	k	k	X
esrj-59640	182	4	=	=	PUNCT
esrj-59640	182	5	−	−	PROPN
esrj-59640	182	6	∇	∇	X
esrj-59640	182	7	(	(	PUNCT
esrj-59640	182	8	)	)	PUNCT
esrj-59640	182	9	=	=	SYM
esrj-59640	182	10	−	−	NOUN
esrj-59640	182	11	∇	∇	X
esrj-59640	182	12	(	(	PUNCT
esrj-59640	182	13	)	)	PUNCT
esrj-59640	182	14	>	>	PUNCT
esrj-59640	182	15			PROPN
esrj-59640	182	16			PRON
esrj-59640	182	17			PROPN
esrj-59640	182	18			PROPN
esrj-59640	182	19	0	0	NUM
esrj-59640	182	20	1	1	NUM
esrj-59640	182	21	1	1	NUM
esrj-59640	182	22	,	,	PUNCT
esrj-59640	182	23	(	(	PUNCT
esrj-59640	182	24	24	24	NUM
esrj-59640	182	25	)	)	PUNCT
esrj-59640	182	26	bfgs	bfgs	ADJ
esrj-59640	182	27	method	method	NOUN
esrj-59640	182	28	does	do	AUX
esrj-59640	182	29	not	not	PART
esrj-59640	182	30	require	require	VERB
esrj-59640	182	31	exact	exact	ADJ
esrj-59640	182	32	line	line	NOUN
esrj-59640	182	33	search	search	NOUN
esrj-59640	182	34	in	in	ADP
esrj-59640	182	35	order	order	NOUN
esrj-59640	182	36	to	to	PART
esrj-59640	182	37	converge	converge	VERB
esrj-59640	182	38	,	,	PUNCT
esrj-59640	182	39	therefore	therefore	ADV
esrj-59640	182	40	,	,	PUNCT
esrj-59640	182	41	wolfe	wolfe	PROPN
esrj-59640	182	42	line	line	PROPN
esrj-59640	182	43	search	search	NOUN
esrj-59640	182	44	algorithm	algorithm	NOUN
esrj-59640	182	45	(	(	PUNCT
esrj-59640	182	46	wolfe	wolfe	PROPN
esrj-59640	182	47	,	,	PUNCT
esrj-59640	182	48	1969	1969	NUM
esrj-59640	182	49	;	;	PUNCT
esrj-59640	182	50	1971	1971	NUM
esrj-59640	182	51	)	)	PUNCT
esrj-59640	182	52	is	be	AUX
esrj-59640	182	53	acquired	acquire	VERB
esrj-59640	182	54	to	to	PART
esrj-59640	182	55	find	find	VERB
esrj-59640	182	56	step	step	NOUN
esrj-59640	182	57	length	length	NOUN
esrj-59640	182	58	k	k	NUM
esrj-59640	182	59	.	.	PUNCT
esrj-59640	183	1	the	the	DET
esrj-59640	183	2	strong	strong	ADJ
esrj-59640	183	3	wolfe	wolfe	PROPN
esrj-59640	183	4	line	line	NOUN
esrj-59640	183	5	search	search	NOUN
esrj-59640	183	6	algorithm	algorithm	NOUN
esrj-59640	183	7	requires	require	VERB
esrj-59640	183	8	the	the	DET
esrj-59640	183	9	following	follow	VERB
esrj-59640	183	10	conditions	condition	NOUN
esrj-59640	183	11	to	to	PART
esrj-59640	183	12	be	be	AUX
esrj-59640	183	13	satisfied	satisfied	ADJ
esrj-59640	183	14	.	.	PUNCT
esrj-59640	184	1	o	o	X
esrj-59640	185	1	o	o	X
esrj-59640	186	1	c	c	X
esrj-59640	186	2	ok	ok	INTJ
esrj-59640	187	1	k	k	PROPN
esrj-59640	187	2	k	k	PROPN
esrj-59640	188	1	k	k	PROPN
esrj-59640	188	2	k	k	PROPN
esrj-59640	189	1	k	k	PROPN
esrj-59640	189	2	t	t	PROPN
esrj-59640	189	3	km	km	PROPN
esrj-59640	189	4	p	p	PROPN
esrj-59640	189	5	m	m	PROPN
esrj-59640	189	6	m	m	VERB
esrj-59640	189	7	p+	p+	ADJ
esrj-59640	189	8	(	(	PUNCT
esrj-59640	189	9	)	)	PUNCT
esrj-59640	189	10	≤	≤	NOUN
esrj-59640	189	11	(	(	PUNCT
esrj-59640	189	12	)	)	PUNCT
esrj-59640	189	13	+	+	CCONJ
esrj-59640	189	14	∇	∇	X
esrj-59640	189	15	(	(	PUNCT
esrj-59640	189	16	)	)	PUNCT
esrj-59640	189	17			X
esrj-59640	189	18	1	1	SYM
esrj-59640	189	19	(	(	PUNCT
esrj-59640	189	20	25	25	NUM
esrj-59640	189	21	)	)	PUNCT
esrj-59640	189	22	∇	∇	X
esrj-59640	190	1	+	+	NOUN
esrj-59640	190	2	(	(	PUNCT
esrj-59640	190	3	)	)	PUNCT
esrj-59640	190	4	≤	≤	NUM
esrj-59640	190	5	∇	∇	X
esrj-59640	190	6	(	(	PUNCT
esrj-59640	190	7	)	)	PUNCT
esrj-59640	190	8	o	o	NOUN
esrj-59640	190	9	c	c	NOUN
esrj-59640	190	10	ok	ok	INTJ
esrj-59640	191	1	k	k	PROPN
esrj-59640	191	2	k	k	PROPN
esrj-59640	192	1	t	t	PROPN
esrj-59640	192	2	k	k	PROPN
esrj-59640	192	3	k	k	PROPN
esrj-59640	192	4	t	t	PROPN
esrj-59640	192	5	km	km	PROPN
esrj-59640	193	1	p	p	PROPN
esrj-59640	193	2	p	p	PROPN
esrj-59640	193	3	m	m	PROPN
esrj-59640	193	4	p	p	NOUN
esrj-59640	193	5	2	2	NUM
esrj-59640	193	6	(	(	PUNCT
esrj-59640	193	7	26	26	NUM
esrj-59640	193	8	)	)	PUNCT
esrj-59640	193	9	in	in	ADP
esrj-59640	193	10	equation	equation	NOUN
esrj-59640	193	11	26	26	NUM
esrj-59640	193	12	0	0	NUM
esrj-59640	193	13	11	11	NUM
esrj-59640	193	14	2	2	NUM
esrj-59640	193	15	<	<	X
esrj-59640	193	16	<	<	X
esrj-59640	193	17	<	<	X
esrj-59640	193	18	c	c	X
esrj-59640	193	19	c	c	NOUN
esrj-59640	193	20	.	.	PUNCT
esrj-59640	194	1	3.4	3.4	NUM
esrj-59640	194	2	numerical	numerical	ADJ
esrj-59640	194	3	computation	computation	NOUN
esrj-59640	194	4	:	:	PUNCT
esrj-59640	194	5	marmousi	marmousi	PROPN
esrj-59640	194	6	velocity	velocity	NOUN
esrj-59640	194	7	model	model	NOUN
esrj-59640	194	8	true	true	ADJ
esrj-59640	194	9	and	and	CCONJ
esrj-59640	194	10	initial	initial	ADJ
esrj-59640	194	11	velocity	velocity	NOUN
esrj-59640	194	12	model	model	NOUN
esrj-59640	194	13	for	for	ADP
esrj-59640	194	14	frequency	frequency	NOUN
esrj-59640	194	15	domain	domain	NOUN
esrj-59640	194	16	fwisimat	fwisimat	NOUN
esrj-59640	194	17	are	be	AUX
esrj-59640	194	18	kept	keep	VERB
esrj-59640	194	19	same	same	ADJ
esrj-59640	194	20	as	as	ADP
esrj-59640	194	21	figure	figure	NOUN
esrj-59640	194	22	5	5	NUM
esrj-59640	194	23	and	and	CCONJ
esrj-59640	194	24	figure	figure	VERB
esrj-59640	194	25	6	6	NUM
esrj-59640	194	26	respectively	respectively	ADV
esrj-59640	194	27	(	(	PUNCT
esrj-59640	194	28	ensuring	ensure	VERB
esrj-59640	194	29	10	10	NUM
esrj-59640	194	30	gridpoints	gridpoint	NOUN
esrj-59640	194	31	per	per	ADP
esrj-59640	194	32	wavelength	wavelength	NOUN
esrj-59640	194	33	)	)	PUNCT
esrj-59640	194	34	.	.	PUNCT
esrj-59640	195	1	the	the	DET
esrj-59640	195	2	number	number	NOUN
esrj-59640	195	3	of	of	ADP
esrj-59640	195	4	sources	source	NOUN
esrj-59640	195	5	and	and	CCONJ
esrj-59640	195	6	receivers	receiver	NOUN
esrj-59640	195	7	are	be	AUX
esrj-59640	195	8	30	30	NUM
esrj-59640	195	9	and	and	CCONJ
esrj-59640	195	10	90	90	NUM
esrj-59640	195	11	which	which	PRON
esrj-59640	195	12	are	be	AUX
esrj-59640	195	13	equally	equally	ADV
esrj-59640	195	14	spaced	space	VERB
esrj-59640	195	15	in	in	ADP
esrj-59640	195	16	the	the	DET
esrj-59640	195	17	medium	medium	NOUN
esrj-59640	195	18	at	at	ADP
esrj-59640	195	19	a	a	DET
esrj-59640	195	20	depth	depth	NOUN
esrj-59640	195	21	of	of	ADP
esrj-59640	195	22	20	20	NUM
esrj-59640	195	23	-	-	PUNCT
esrj-59640	195	24	m.	m.	NOUN
esrj-59640	195	25	the	the	DET
esrj-59640	195	26	absorbing	absorbing	ADJ
esrj-59640	195	27	boundary	boundary	ADJ
esrj-59640	195	28	conditions	condition	NOUN
esrj-59640	195	29	are	be	AUX
esrj-59640	195	30	applied	apply	VERB
esrj-59640	195	31	on	on	ADP
esrj-59640	195	32	all	all	DET
esrj-59640	195	33	edges	edge	NOUN
esrj-59640	195	34	of	of	ADP
esrj-59640	195	35	the	the	DET
esrj-59640	195	36	medium	medium	NOUN
esrj-59640	195	37	.	.	PUNCT
esrj-59640	196	1	the	the	DET
esrj-59640	196	2	inversion	inversion	NOUN
esrj-59640	196	3	result	result	NOUN
esrj-59640	196	4	after	after	SCONJ
esrj-59640	196	5	25	25	NUM
esrj-59640	196	6	iterations	iteration	NOUN
esrj-59640	196	7	is	be	AUX
esrj-59640	196	8	shown	show	VERB
esrj-59640	196	9	in	in	ADP
esrj-59640	196	10	figure	figure	NOUN
esrj-59640	196	11	12	12	NUM
esrj-59640	196	12	.	.	PUNCT
esrj-59640	197	1	the	the	DET
esrj-59640	197	2	inversion	inversion	NOUN
esrj-59640	197	3	is	be	AUX
esrj-59640	197	4	from	from	ADP
esrj-59640	197	5	low	low	ADJ
esrj-59640	197	6	to	to	ADP
esrj-59640	197	7	high	high	ADJ
esrj-59640	197	8	frequency	frequency	NOUN
esrj-59640	197	9	,	,	PUNCT
esrj-59640	197	10	and	and	CCONJ
esrj-59640	197	11	choice	choice	NOUN
esrj-59640	197	12	of	of	ADP
esrj-59640	197	13	which	which	PRON
esrj-59640	197	14	is	be	AUX
esrj-59640	197	15	usually	usually	ADV
esrj-59640	197	16	related	relate	VERB
esrj-59640	197	17	to	to	ADP
esrj-59640	197	18	the	the	DET
esrj-59640	197	19	model	model	NOUN
esrj-59640	197	20	.	.	PUNCT
esrj-59640	198	1	the	the	DET
esrj-59640	198	2	low	low	ADJ
esrj-59640	198	3	frequencies	frequency	NOUN
esrj-59640	198	4	are	be	AUX
esrj-59640	198	5	more	more	ADV
esrj-59640	198	6	linear	linear	ADJ
esrj-59640	198	7	related	relate	VERB
esrj-59640	198	8	to	to	ADP
esrj-59640	198	9	the	the	DET
esrj-59640	198	10	model	model	NOUN
esrj-59640	198	11	perturbations	perturbation	NOUN
esrj-59640	198	12	than	than	ADP
esrj-59640	198	13	the	the	DET
esrj-59640	198	14	high	high	ADJ
esrj-59640	198	15	frequencies	frequency	NOUN
esrj-59640	198	16	(	(	PUNCT
esrj-59640	198	17	sirgue	sirgue	NOUN
esrj-59640	198	18	,	,	PUNCT
esrj-59640	198	19	2003	2003	NUM
esrj-59640	198	20	)	)	PUNCT
esrj-59640	198	21	.	.	PUNCT
esrj-59640	199	1	therefore	therefore	ADV
esrj-59640	199	2	,	,	PUNCT
esrj-59640	199	3	the	the	DET
esrj-59640	199	4	inversion	inversion	NOUN
esrj-59640	199	5	process	process	NOUN
esrj-59640	199	6	should	should	AUX
esrj-59640	199	7	start	start	VERB
esrj-59640	199	8	with	with	ADP
esrj-59640	199	9	the	the	DET
esrj-59640	199	10	low	low	ADJ
esrj-59640	199	11	frequency	frequency	NOUN
esrj-59640	199	12	components	component	NOUN
esrj-59640	199	13	and	and	CCONJ
esrj-59640	199	14	progressively	progressively	ADV
esrj-59640	199	15	add	add	VERB
esrj-59640	199	16	higher	high	ADJ
esrj-59640	199	17	frequencies	frequency	NOUN
esrj-59640	199	18	.	.	PUNCT
esrj-59640	200	1	this	this	PRON
esrj-59640	200	2	will	will	AUX
esrj-59640	200	3	help	help	VERB
esrj-59640	200	4	mitigate	mitigate	VERB
esrj-59640	200	5	some	some	PRON
esrj-59640	200	6	of	of	ADP
esrj-59640	200	7	the	the	DET
esrj-59640	200	8	non	non	NOUN
esrj-59640	200	9	-	-	NOUN
esrj-59640	200	10	linearity	linearity	NOUN
esrj-59640	200	11	of	of	ADP
esrj-59640	200	12	the	the	DET
esrj-59640	200	13	problem	problem	NOUN
esrj-59640	200	14	,	,	PUNCT
esrj-59640	200	15	hence	hence	ADV
esrj-59640	200	16	increasing	increase	VERB
esrj-59640	200	17	the	the	DET
esrj-59640	200	18	chances	chance	NOUN
esrj-59640	200	19	of	of	ADP
esrj-59640	200	20	finding	find	VERB
esrj-59640	200	21	the	the	DET
esrj-59640	200	22	global	global	ADJ
esrj-59640	200	23	minimum	minimum	NOUN
esrj-59640	200	24	.	.	PUNCT
esrj-59640	201	1	it	it	PRON
esrj-59640	201	2	also	also	ADV
esrj-59640	201	3	ensures	ensure	VERB
esrj-59640	201	4	that	that	SCONJ
esrj-59640	201	5	progressively	progressively	ADV
esrj-59640	201	6	higher	high	ADJ
esrj-59640	201	7	wavenumbers	wavenumber	NOUN
esrj-59640	201	8	are	be	AUX
esrj-59640	201	9	recovered	recover	VERB
esrj-59640	201	10	(	(	PUNCT
esrj-59640	201	11	ravaut	ravaut	NOUN
esrj-59640	201	12	et	et	PROPN
esrj-59640	201	13	al	al	PROPN
esrj-59640	201	14	.	.	PROPN
esrj-59640	201	15	,	,	PUNCT
esrj-59640	201	16	2004	2004	NUM
esrj-59640	201	17	)	)	PUNCT
esrj-59640	201	18	.	.	PUNCT
esrj-59640	202	1	according	accord	VERB
esrj-59640	202	2	to	to	ADP
esrj-59640	202	3	the	the	DET
esrj-59640	202	4	experience	experience	NOUN
esrj-59640	202	5	and	and	CCONJ
esrj-59640	202	6	experiments	experiment	NOUN
esrj-59640	202	7	,	,	PUNCT
esrj-59640	202	8	twelve	twelve	NUM
esrj-59640	202	9	frequencies	frequency	NOUN
esrj-59640	202	10	are	be	AUX
esrj-59640	202	11	selected	select	VERB
esrj-59640	202	12	,	,	PUNCT
esrj-59640	202	13	not	not	PART
esrj-59640	202	14	only	only	ADV
esrj-59640	202	15	to	to	PART
esrj-59640	202	16	obtain	obtain	VERB
esrj-59640	202	17	good	good	ADJ
esrj-59640	202	18	results	result	NOUN
esrj-59640	202	19	,	,	PUNCT
esrj-59640	202	20	but	but	CCONJ
esrj-59640	202	21	also	also	ADV
esrj-59640	202	22	for	for	ADP
esrj-59640	202	23	faster	fast	ADJ
esrj-59640	202	24	computation	computation	NOUN
esrj-59640	202	25	.	.	PUNCT
esrj-59640	203	1	the	the	DET
esrj-59640	203	2	twelve	twelve	NUM
esrj-59640	203	3	frequencies	frequency	NOUN
esrj-59640	203	4	from	from	ADP
esrj-59640	203	5	low	low	ADJ
esrj-59640	203	6	towards	towards	ADP
esrj-59640	203	7	high	high	ADJ
esrj-59640	203	8	are	be	AUX
esrj-59640	203	9	1.00	1.00	NUM
esrj-59640	203	10	2.73	2.73	NUM
esrj-59640	203	11	4.45	4.45	NUM
esrj-59640	203	12	6.18	6.18	NUM
esrj-59640	203	13	7.91	7.91	NUM
esrj-59640	203	14	9.64	9.64	NUM
esrj-59640	203	15	11.36	11.36	NUM
esrj-59640	203	16	13.09	13.09	NUM
esrj-59640	203	17	14.82	14.82	NUM
esrj-59640	203	18	16.55	16.55	NUM
esrj-59640	203	19	18.27	18.27	NUM
esrj-59640	203	20	20.00	20.00	NUM
esrj-59640	203	21	.	.	PUNCT
esrj-59640	204	1	figure	figure	NOUN
esrj-59640	204	2	13	13	NUM
esrj-59640	204	3	shows	show	VERB
esrj-59640	204	4	the	the	DET
esrj-59640	204	5	objective	objective	ADJ
esrj-59640	204	6	function	function	NOUN
esrj-59640	204	7	value	value	NOUN
esrj-59640	204	8	in	in	ADP
esrj-59640	204	9	logarithmic	logarithmic	ADJ
esrj-59640	204	10	scale	scale	NOUN
esrj-59640	204	11	during	during	ADP
esrj-59640	204	12	the	the	DET
esrj-59640	204	13	inversion	inversion	NOUN
esrj-59640	204	14	process	process	NOUN
esrj-59640	204	15	.	.	PUNCT
esrj-59640	205	1	figure	figure	NOUN
esrj-59640	205	2	12	12	NUM
esrj-59640	205	3	.	.	PUNCT
esrj-59640	206	1	inversion	inversion	NOUN
esrj-59640	206	2	result	result	NOUN
esrj-59640	206	3	figure	figure	NOUN
esrj-59640	206	4	13	13	NUM
esrj-59640	206	5	.	.	PUNCT
esrj-59640	206	6	objective	objective	ADJ
esrj-59640	206	7	function	function	NOUN
esrj-59640	206	8	value	value	NOUN
esrj-59640	206	9	in	in	ADP
esrj-59640	206	10	logarithmic	logarithmic	ADJ
esrj-59640	206	11	scale	scale	NOUN
esrj-59640	206	12	at	at	ADP
esrj-59640	206	13	each	each	DET
esrj-59640	206	14	iteration	iteration	NOUN
esrj-59640	206	15	.	.	PUNCT
esrj-59640	207	1	299full	299full	ADJ
esrj-59640	207	2	waveform	waveform	NOUN
esrj-59640	207	3	inversion	inversion	NOUN
esrj-59640	207	4	in	in	ADP
esrj-59640	207	5	time	time	NOUN
esrj-59640	207	6	and	and	CCONJ
esrj-59640	207	7	frequency	frequency	NOUN
esrj-59640	207	8	domain	domain	NOUN
esrj-59640	207	9	of	of	ADP
esrj-59640	207	10	velocity	velocity	NOUN
esrj-59640	207	11	modeling	modeling	NOUN
esrj-59640	207	12	in	in	ADP
esrj-59640	207	13	seismic	seismic	ADJ
esrj-59640	207	14	imaging	imaging	NOUN
esrj-59640	207	15	:	:	PUNCT
esrj-59640	207	16	fwisimat	fwisimat	ADJ
esrj-59640	207	17	a	a	DET
esrj-59640	207	18	matlab	matlab	PROPN
esrj-59640	207	19	code	code	NOUN
esrj-59640	207	20	and	and	CCONJ
esrj-59640	207	21	proper	proper	ADJ
esrj-59640	207	22	input	input	NOUN
esrj-59640	207	23	parameters	parameter	NOUN
esrj-59640	207	24	,	,	PUNCT
esrj-59640	207	25	such	such	ADJ
esrj-59640	207	26	as	as	ADP
esrj-59640	207	27	an	an	DET
esrj-59640	207	28	accurate	accurate	ADJ
esrj-59640	207	29	starting	starting	NOUN
esrj-59640	207	30	model	model	NOUN
esrj-59640	207	31	and	and	CCONJ
esrj-59640	207	32	an	an	DET
esrj-59640	207	33	initial	initial	ADJ
esrj-59640	207	34	frequency	frequency	NOUN
esrj-59640	207	35	as	as	ADV
esrj-59640	207	36	low	low	ADJ
esrj-59640	207	37	as	as	ADP
esrj-59640	207	38	possible	possible	ADJ
esrj-59640	207	39	,	,	PUNCT
esrj-59640	207	40	is	be	AUX
esrj-59640	207	41	important	important	ADJ
esrj-59640	207	42	for	for	ADP
esrj-59640	207	43	obtaining	obtain	VERB
esrj-59640	207	44	optimum	optimum	ADJ
esrj-59640	207	45	results	result	NOUN
esrj-59640	207	46	.	.	PUNCT
esrj-59640	208	1	in	in	ADP
esrj-59640	208	2	this	this	DET
esrj-59640	208	3	work	work	NOUN
esrj-59640	208	4	,	,	PUNCT
esrj-59640	208	5	it	it	PRON
esrj-59640	208	6	is	be	AUX
esrj-59640	208	7	shown	show	VERB
esrj-59640	208	8	that	that	SCONJ
esrj-59640	208	9	full	full	ADJ
esrj-59640	208	10	waveform	waveform	NOUN
esrj-59640	208	11	inversion	inversion	NOUN
esrj-59640	208	12	has	have	VERB
esrj-59640	208	13	a	a	DET
esrj-59640	208	14	great	great	ADJ
esrj-59640	208	15	potential	potential	NOUN
esrj-59640	208	16	for	for	ADP
esrj-59640	208	17	estimating	estimate	VERB
esrj-59640	208	18	complex	complex	ADJ
esrj-59640	208	19	velocity	velocity	NOUN
esrj-59640	208	20	models	model	NOUN
esrj-59640	208	21	such	such	ADJ
esrj-59640	208	22	as	as	ADP
esrj-59640	208	23	marmousi	marmousi	ADJ
esrj-59640	208	24	velocity	velocity	NOUN
esrj-59640	208	25	model	model	NOUN
esrj-59640	208	26	when	when	SCONJ
esrj-59640	208	27	the	the	DET
esrj-59640	208	28	acquisition	acquisition	NOUN
esrj-59640	208	29	parameters	parameter	NOUN
esrj-59640	208	30	are	be	AUX
esrj-59640	208	31	as	as	ADV
esrj-59640	208	32	optimal	optimal	ADJ
esrj-59640	208	33	as	as	ADP
esrj-59640	208	34	possible	possible	ADJ
esrj-59640	208	35	.	.	PUNCT
esrj-59640	209	1	for	for	ADP
esrj-59640	209	2	the	the	DET
esrj-59640	209	3	future	future	NOUN
esrj-59640	209	4	,	,	PUNCT
esrj-59640	209	5	applying	apply	VERB
esrj-59640	209	6	fwi	fwi	NOUN
esrj-59640	209	7	to	to	ADP
esrj-59640	209	8	real	real	ADJ
esrj-59640	209	9	data	datum	NOUN
esrj-59640	209	10	from	from	ADP
esrj-59640	209	11	more	more	ADV
esrj-59640	209	12	complex	complex	ADJ
esrj-59640	209	13	geological	geological	ADJ
esrj-59640	209	14	medium	medium	NOUN
esrj-59640	209	15	and	and	CCONJ
esrj-59640	209	16	developing	develop	VERB
esrj-59640	209	17	a	a	DET
esrj-59640	209	18	migration	migration	NOUN
esrj-59640	209	19	tool	tool	NOUN
esrj-59640	209	20	and	and	CCONJ
esrj-59640	209	21	test	test	VERB
esrj-59640	209	22	the	the	DET
esrj-59640	209	23	effect	effect	NOUN
esrj-59640	209	24	of	of	ADP
esrj-59640	209	25	fwi	fwi	NOUN
esrj-59640	209	26	on	on	ADP
esrj-59640	209	27	a	a	DET
esrj-59640	209	28	migrated	migrate	VERB
esrj-59640	209	29	image	image	NOUN
esrj-59640	209	30	,	,	PUNCT
esrj-59640	209	31	are	be	AUX
esrj-59640	209	32	interesting	interesting	ADJ
esrj-59640	209	33	challenges	challenge	NOUN
esrj-59640	209	34	.	.	PUNCT
esrj-59640	210	1	acknowledgments	acknowledgment	NOUN
esrj-59640	210	2	this	this	DET
esrj-59640	210	3	work	work	NOUN
esrj-59640	210	4	was	be	AUX
esrj-59640	210	5	supported	support	VERB
esrj-59640	210	6	by	by	ADP
esrj-59640	210	7	the	the	DET
esrj-59640	210	8	research	research	NOUN
esrj-59640	210	9	fund	fund	NOUN
esrj-59640	210	10	of	of	ADP
esrj-59640	210	11	istanbul	istanbul	PROPN
esrj-59640	210	12	university	university	PROPN
esrj-59640	210	13	,	,	PUNCT
esrj-59640	210	14	project	project	NOUN
esrj-59640	210	15	number	number	NOUN
esrj-59640	210	16	:	:	PUNCT
esrj-59640	210	17	bek-2017	bek-2017	NOUN
esrj-59640	210	18	-	-	PUNCT
esrj-59640	210	19	27284	27284	NUM
esrj-59640	210	20	the	the	DET
esrj-59640	210	21	authors	author	NOUN
esrj-59640	210	22	thank	thank	VERB
esrj-59640	210	23	the	the	DET
esrj-59640	210	24	anonymous	anonymous	ADJ
esrj-59640	210	25	reviewers	reviewer	NOUN
esrj-59640	210	26	for	for	ADP
esrj-59640	210	27	their	their	PRON
esrj-59640	210	28	constructive	constructive	ADJ
esrj-59640	210	29	remarks	remark	NOUN
esrj-59640	210	30	in	in	ADP
esrj-59640	210	31	the	the	DET
esrj-59640	210	32	preparation	preparation	NOUN
esrj-59640	210	33	of	of	ADP
esrj-59640	210	34	the	the	DET
esrj-59640	210	35	final	final	ADJ
esrj-59640	210	36	form	form	NOUN
esrj-59640	210	37	of	of	ADP
esrj-59640	210	38	the	the	DET
esrj-59640	210	39	paper	paper	NOUN
esrj-59640	210	40	.	.	PUNCT
esrj-59640	211	1	references	reference	NOUN
esrj-59640	211	2	broyden	broyden	VERB
esrj-59640	211	3	,	,	PUNCT
esrj-59640	211	4	c.	c.	PROPN
esrj-59640	211	5	g.	g.	PROPN
esrj-59640	211	6	(	(	PUNCT
esrj-59640	211	7	1970	1970	NUM
esrj-59640	211	8	)	)	PUNCT
esrj-59640	211	9	.	.	PUNCT
esrj-59640	212	1	the	the	DET
esrj-59640	212	2	convergence	convergence	NOUN
esrj-59640	212	3	of	of	ADP
esrj-59640	212	4	a	a	DET
esrj-59640	212	5	class	class	NOUN
esrj-59640	212	6	of	of	ADP
esrj-59640	212	7	doublerank	doublerank	ADJ
esrj-59640	212	8	minimization	minimization	NOUN
esrj-59640	212	9	algorithms	algorithm	NOUN
esrj-59640	212	10	.	.	PUNCT
esrj-59640	213	1	2	2	X
esrj-59640	213	2	.	.	X
esrj-59640	213	3	the	the	DET
esrj-59640	213	4	new	new	ADJ
esrj-59640	213	5	algorithm	algorithm	NOUN
esrj-59640	213	6	.	.	PUNCT
esrj-59640	214	1	journal	journal	NOUN
esrj-59640	214	2	of	of	ADP
esrj-59640	214	3	the	the	DET
esrj-59640	214	4	institute	institute	PROPN
esrj-59640	214	5	of	of	ADP
esrj-59640	214	6	mathematics	mathematics	PROPN
esrj-59640	214	7	and	and	CCONJ
esrj-59640	214	8	its	its	PRON
esrj-59640	214	9	applications	application	NOUN
esrj-59640	214	10	,	,	PUNCT
esrj-59640	214	11	10	10	NUM
esrj-59640	214	12	,	,	PUNCT
esrj-59640	214	13	222	222	NUM
esrj-59640	214	14	-	-	SYM
esrj-59640	214	15	231	231	NUM
esrj-59640	214	16	.	.	PUNCT
esrj-59640	215	1	chabert	chabert	PROPN
esrj-59640	215	2	,	,	PUNCT
esrj-59640	215	3	a.	a.	PROPN
esrj-59640	215	4	(	(	PUNCT
esrj-59640	215	5	2010	2010	NUM
esrj-59640	215	6	)	)	PUNCT
esrj-59640	215	7	.	.	PUNCT
esrj-59640	216	1	seismic	seismic	ADJ
esrj-59640	216	2	imaging	imaging	NOUN
esrj-59640	216	3	of	of	ADP
esrj-59640	216	4	the	the	DET
esrj-59640	216	5	sedimentary	sedimentary	ADJ
esrj-59640	216	6	and	and	CCONJ
esrj-59640	216	7	crustal	crustal	ADJ
esrj-59640	216	8	structure	structure	NOUN
esrj-59640	216	9	of	of	ADP
esrj-59640	216	10	the	the	DET
esrj-59640	216	11	hatton	hatton	PROPN
esrj-59640	216	12	basin	basin	NOUN
esrj-59640	216	13	on	on	ADP
esrj-59640	216	14	the	the	DET
esrj-59640	216	15	irish	irish	ADJ
esrj-59640	216	16	atlantic	atlantic	PROPN
esrj-59640	216	17	margin	margin	NOUN
esrj-59640	216	18	.	.	PUNCT
esrj-59640	217	1	ph.d	ph.d	PROPN
esrj-59640	217	2	.	.	PUNCT
esrj-59640	218	1	thesis	thesis	NOUN
esrj-59640	218	2	,	,	PUNCT
esrj-59640	218	3	university	university	NOUN
esrj-59640	218	4	college	college	PROPN
esrj-59640	218	5	dublin	dublin	PROPN
esrj-59640	218	6	,	,	PUNCT
esrj-59640	218	7	ireland	ireland	PROPN
esrj-59640	218	8	.	.	PUNCT
esrj-59640	219	1	clayton	clayton	PROPN
esrj-59640	219	2	,	,	PUNCT
esrj-59640	219	3	r.	r.	PROPN
esrj-59640	219	4	&	&	CCONJ
esrj-59640	219	5	engquist	engquist	PROPN
esrj-59640	219	6	,	,	PUNCT
esrj-59640	219	7	b.	b.	PROPN
esrj-59640	219	8	(	(	PUNCT
esrj-59640	219	9	1977	1977	NUM
esrj-59640	219	10	)	)	PUNCT
esrj-59640	219	11	.	.	PUNCT
esrj-59640	220	1	absorbing	absorb	VERB
esrj-59640	220	2	boundary	boundary	ADJ
esrj-59640	220	3	conditions	condition	NOUN
esrj-59640	220	4	for	for	ADP
esrj-59640	220	5	acoustic	acoustic	ADJ
esrj-59640	220	6	and	and	CCONJ
esrj-59640	220	7	elastic	elastic	ADJ
esrj-59640	220	8	wave	wave	NOUN
esrj-59640	220	9	equations	equation	NOUN
esrj-59640	220	10	.	.	PUNCT
esrj-59640	221	1	bulletin	bulletin	NOUN
esrj-59640	221	2	of	of	ADP
esrj-59640	221	3	the	the	DET
esrj-59640	221	4	seismological	seismological	ADJ
esrj-59640	221	5	society	society	NOUN
esrj-59640	221	6	of	of	ADP
esrj-59640	221	7	america	america	PROPN
esrj-59640	221	8	,	,	PUNCT
esrj-59640	221	9	67(6	67(6	NUM
esrj-59640	221	10	)	)	PUNCT
esrj-59640	221	11	,	,	PUNCT
esrj-59640	221	12	1529	1529	NUM
esrj-59640	221	13	-	-	SYM
esrj-59640	221	14	1540	1540	NUM
esrj-59640	221	15	.	.	PUNCT
esrj-59640	222	1	dai	dai	PROPN
esrj-59640	222	2	,	,	PUNCT
esrj-59640	222	3	y.	y.	PROPN
esrj-59640	222	4	h.	h.	PROPN
esrj-59640	222	5	&	&	CCONJ
esrj-59640	222	6	yuan	yuan	PROPN
esrj-59640	222	7	,	,	PUNCT
esrj-59640	222	8	y.	y.	PROPN
esrj-59640	222	9	(	(	PUNCT
esrj-59640	222	10	1999	1999	NUM
esrj-59640	222	11	)	)	PUNCT
esrj-59640	222	12	.	.	PUNCT
esrj-59640	223	1	a	a	DET
esrj-59640	223	2	nonlinear	nonlinear	ADJ
esrj-59640	223	3	conjugate	conjugate	ADJ
esrj-59640	223	4	gradient	gradient	NOUN
esrj-59640	223	5	method	method	NOUN
esrj-59640	223	6	with	with	ADP
esrj-59640	223	7	a	a	DET
esrj-59640	223	8	strong	strong	ADJ
esrj-59640	223	9	global	global	ADJ
esrj-59640	223	10	convergence	convergence	NOUN
esrj-59640	223	11	property	property	NOUN
esrj-59640	223	12	.	.	PUNCT
esrj-59640	224	1	siam	siam	PROPN
esrj-59640	224	2	journal	journal	PROPN
esrj-59640	224	3	on	on	ADP
esrj-59640	224	4	optimization	optimization	NOUN
esrj-59640	224	5	,	,	PUNCT
esrj-59640	224	6	10(1	10(1	NUM
esrj-59640	224	7	)	)	PUNCT
esrj-59640	224	8	,	,	PUNCT
esrj-59640	224	9	177	177	NUM
esrj-59640	224	10	-	-	SYM
esrj-59640	224	11	182	182	NUM
esrj-59640	224	12	.	.	PUNCT
esrj-59640	225	1	demanet	demanet	NOUN
esrj-59640	225	2	,	,	PUNCT
esrj-59640	225	3	l.	l.	PROPN
esrj-59640	225	4	(	(	PUNCT
esrj-59640	225	5	2015	2015	NUM
esrj-59640	225	6	)	)	PUNCT
esrj-59640	225	7	.	.	PUNCT
esrj-59640	226	1	waves	wave	NOUN
esrj-59640	226	2	and	and	CCONJ
esrj-59640	226	3	imaging	imaging	NOUN
esrj-59640	226	4	,	,	PUNCT
esrj-59640	226	5	class	class	NOUN
esrj-59640	226	6	notes	note	NOUN
esrj-59640	226	7	.	.	PUNCT
esrj-59640	227	1	http://math.mit.edu/	http://math.mit.edu/	ADJ
esrj-59640	227	2	icg	icg	NOUN
esrj-59640	227	3	/	/	SYM
esrj-59640	227	4	resources	resource	NOUN
esrj-59640	227	5	/	/	SYM
esrj-59640	227	6	notes325.pdf	notes325.pdf	NUM
esrj-59640	227	7	(	(	PUNCT
esrj-59640	227	8	last	last	ADV
esrj-59640	227	9	accessed	access	VERB
esrj-59640	227	10	april	april	PROPN
esrj-59640	227	11	2016	2016	NUM
esrj-59640	227	12	)	)	PUNCT
esrj-59640	227	13	.	.	PUNCT
esrj-59640	228	1	erlangga	erlangga	PROPN
esrj-59640	228	2	,	,	PUNCT
esrj-59640	228	3	y.	y.	NOUN
esrj-59640	228	4	a.	a.	PROPN
esrj-59640	228	5	(	(	PUNCT
esrj-59640	228	6	2008	2008	NUM
esrj-59640	228	7	)	)	PUNCT
esrj-59640	228	8	.	.	PUNCT
esrj-59640	229	1	advances	advance	NOUN
esrj-59640	229	2	in	in	ADP
esrj-59640	229	3	iterative	iterative	ADJ
esrj-59640	229	4	methods	method	NOUN
esrj-59640	229	5	and	and	CCONJ
esrj-59640	229	6	preconditioners	preconditioner	NOUN
esrj-59640	229	7	for	for	ADP
esrj-59640	229	8	the	the	DET
esrj-59640	229	9	helmholtz	helmholtz	NOUN
esrj-59640	229	10	equation	equation	NOUN
esrj-59640	229	11	.	.	PUNCT
esrj-59640	230	1	archives	archive	NOUN
esrj-59640	230	2	of	of	ADP
esrj-59640	230	3	computational	computational	ADJ
esrj-59640	230	4	methods	method	NOUN
esrj-59640	230	5	in	in	ADP
esrj-59640	230	6	engineering	engineering	NOUN
esrj-59640	230	7	,	,	PUNCT
esrj-59640	230	8	15(1	15(1	NUM
esrj-59640	230	9	)	)	PUNCT
esrj-59640	230	10	,	,	PUNCT
esrj-59640	230	11	37	37	NUM
esrj-59640	230	12	-	-	SYM
esrj-59640	230	13	66	66	NUM
esrj-59640	230	14	.	.	PUNCT
esrj-59640	231	1	fletcher	fletcher	PROPN
esrj-59640	231	2	,	,	PUNCT
esrj-59640	231	3	r.	r.	PROPN
esrj-59640	231	4	(	(	PUNCT
esrj-59640	231	5	1970	1970	NUM
esrj-59640	231	6	)	)	PUNCT
esrj-59640	231	7	.	.	PUNCT
esrj-59640	232	1	a	a	DET
esrj-59640	232	2	new	new	ADJ
esrj-59640	232	3	approach	approach	NOUN
esrj-59640	232	4	to	to	ADP
esrj-59640	232	5	variable	variable	ADJ
esrj-59640	232	6	metric	metric	ADJ
esrj-59640	232	7	algorithms	algorithm	NOUN
esrj-59640	232	8	.	.	PUNCT
esrj-59640	233	1	computer	computer	NOUN
esrj-59640	233	2	journal	journal	PROPN
esrj-59640	233	3	,	,	PUNCT
esrj-59640	233	4	13(3	13(3	NUM
esrj-59640	233	5	)	)	PUNCT
esrj-59640	233	6	,	,	PUNCT
esrj-59640	233	7	317	317	NUM
esrj-59640	233	8	-	-	SYM
esrj-59640	233	9	322	322	NUM
esrj-59640	233	10	.	.	PUNCT
esrj-59640	234	1	goldfarb	goldfarb	PROPN
esrj-59640	234	2	,	,	PUNCT
esrj-59640	234	3	d.	d.	PROPN
esrj-59640	234	4	(	(	PUNCT
esrj-59640	234	5	1970	1970	NUM
esrj-59640	234	6	)	)	PUNCT
esrj-59640	234	7	.	.	PUNCT
esrj-59640	235	1	a	a	DET
esrj-59640	235	2	family	family	NOUN
esrj-59640	235	3	of	of	ADP
esrj-59640	235	4	variable	variable	ADJ
esrj-59640	235	5	metric	metric	ADJ
esrj-59640	235	6	methods	method	NOUN
esrj-59640	235	7	derived	derive	VERB
esrj-59640	235	8	by	by	ADP
esrj-59640	235	9	variational	variational	ADJ
esrj-59640	235	10	means	mean	NOUN
esrj-59640	235	11	.	.	PUNCT
esrj-59640	236	1	mathematics	mathematic	NOUN
esrj-59640	236	2	of	of	ADP
esrj-59640	236	3	computation	computation	NOUN
esrj-59640	236	4	,	,	PUNCT
esrj-59640	236	5	24(109	24(109	NUM
esrj-59640	236	6	)	)	PUNCT
esrj-59640	236	7	,	,	PUNCT
esrj-59640	236	8	23	23	NUM
esrj-59640	236	9	-	-	SYM
esrj-59640	236	10	26	26	NUM
esrj-59640	236	11	.	.	PUNCT
esrj-59640	237	1	hager	hager	NOUN
esrj-59640	237	2	,	,	PUNCT
esrj-59640	237	3	w.	w.	PROPN
esrj-59640	237	4	w.	w.	PROPN
esrj-59640	237	5	,	,	PUNCT
esrj-59640	237	6	&	&	CCONJ
esrj-59640	237	7	zhang	zhang	PROPN
esrj-59640	237	8	,	,	PUNCT
esrj-59640	237	9	h.	h.	PROPN
esrj-59640	237	10	(	(	PUNCT
esrj-59640	237	11	2006	2006	NUM
esrj-59640	237	12	)	)	PUNCT
esrj-59640	237	13	.	.	PUNCT
esrj-59640	238	1	a	a	DET
esrj-59640	238	2	survey	survey	NOUN
esrj-59640	238	3	of	of	ADP
esrj-59640	238	4	nonlinear	nonlinear	ADJ
esrj-59640	238	5	conjugate	conjugate	ADJ
esrj-59640	238	6	gradient	gradient	ADJ
esrj-59640	238	7	methods	method	NOUN
esrj-59640	238	8	.	.	PUNCT
esrj-59640	239	1	pacific	pacific	PROPN
esrj-59640	239	2	journal	journal	PROPN
esrj-59640	239	3	of	of	ADP
esrj-59640	239	4	optimization	optimization	NOUN
esrj-59640	239	5	,	,	PUNCT
esrj-59640	239	6	2(6	2(6	NUM
esrj-59640	239	7	)	)	PUNCT
esrj-59640	239	8	,	,	PUNCT
esrj-59640	239	9	35	35	NUM
esrj-59640	239	10	-	-	SYM
esrj-59640	239	11	58	58	NUM
esrj-59640	239	12	.	.	PUNCT
esrj-59640	240	1	hu	hu	PROPN
esrj-59640	240	2	,	,	PUNCT
esrj-59640	240	3	w.	w.	PROPN
esrj-59640	240	4	,	,	PUNCT
esrj-59640	240	5	abubakar	abubakar	PROPN
esrj-59640	240	6	,	,	PUNCT
esrj-59640	240	7	a.	a.	PROPN
esrj-59640	240	8	&	&	CCONJ
esrj-59640	240	9	habashy	habashy	PROPN
esrj-59640	240	10	,	,	PUNCT
esrj-59640	240	11	t.	t.	NOUN
esrj-59640	240	12	m.	m.	NOUN
esrj-59640	240	13	(	(	PUNCT
esrj-59640	240	14	2009	2009	NUM
esrj-59640	240	15	)	)	PUNCT
esrj-59640	240	16	.	.	PUNCT
esrj-59640	241	1	simultaneous	simultaneous	ADJ
esrj-59640	241	2	multifrequency	multifrequency	NOUN
esrj-59640	241	3	inversion	inversion	NOUN
esrj-59640	241	4	of	of	ADP
esrj-59640	241	5	full	full	ADJ
esrj-59640	241	6	-	-	PUNCT
esrj-59640	241	7	waveform	waveform	NOUN
esrj-59640	241	8	seismic	seismic	ADJ
esrj-59640	241	9	data	datum	NOUN
esrj-59640	241	10	.	.	PUNCT
esrj-59640	242	1	geophysics	geophysic	NOUN
esrj-59640	242	2	,	,	PUNCT
esrj-59640	242	3	74(2	74(2	NUM
esrj-59640	242	4	)	)	PUNCT
esrj-59640	242	5	,	,	PUNCT
esrj-59640	242	6	1	1	NUM
esrj-59640	242	7	-	-	SYM
esrj-59640	242	8	14	14	NUM
esrj-59640	242	9	.	.	PUNCT
esrj-59640	243	1	improta	improta	PROPN
esrj-59640	243	2	,	,	PUNCT
esrj-59640	243	3	l.	l.	PROPN
esrj-59640	243	4	,	,	PUNCT
esrj-59640	243	5	zollo	zollo	PROPN
esrj-59640	243	6	,	,	PUNCT
esrj-59640	243	7	a.	a.	PROPN
esrj-59640	243	8	,	,	PUNCT
esrj-59640	243	9	herrero	herrero	PROPN
esrj-59640	243	10	,	,	PUNCT
esrj-59640	243	11	frattini	frattini	PROPN
esrj-59640	243	12	,	,	PUNCT
esrj-59640	243	13	a.	a.	PROPN
esrj-59640	243	14	,	,	PUNCT
esrj-59640	243	15	r.	r.	PROPN
esrj-59640	243	16	,	,	PUNCT
esrj-59640	243	17	virieux	virieux	PROPN
esrj-59640	243	18	,	,	PUNCT
esrj-59640	243	19	j.	j.	PROPN
esrj-59640	243	20	&	&	CCONJ
esrj-59640	243	21	dell’aversana	dell’aversana	PROPN
esrj-59640	243	22	,	,	PUNCT
esrj-59640	243	23	p.	p.	PROPN
esrj-59640	243	24	(	(	PUNCT
esrj-59640	243	25	2002	2002	NUM
esrj-59640	243	26	)	)	PUNCT
esrj-59640	243	27	.	.	PUNCT
esrj-59640	244	1	seismic	seismic	ADJ
esrj-59640	244	2	imaging	imaging	NOUN
esrj-59640	244	3	of	of	ADP
esrj-59640	244	4	complex	complex	ADJ
esrj-59640	244	5	structures	structure	NOUN
esrj-59640	244	6	by	by	ADP
esrj-59640	244	7	non	non	ADJ
esrj-59640	244	8	-	-	ADJ
esrj-59640	244	9	linear	linear	ADJ
esrj-59640	244	10	traveltime	traveltime	NOUN
esrj-59640	244	11	inversion	inversion	NOUN
esrj-59640	244	12	of	of	ADP
esrj-59640	244	13	dense	dense	ADJ
esrj-59640	244	14	wide	wide	ADJ
esrj-59640	244	15	-	-	PUNCT
esrj-59640	244	16	angle	angle	NOUN
esrj-59640	244	17	data	datum	NOUN
esrj-59640	244	18	:	:	PUNCT
esrj-59640	244	19	application	application	NOUN
esrj-59640	244	20	to	to	ADP
esrj-59640	244	21	a	a	DET
esrj-59640	244	22	thrust	thrust	ADJ
esrj-59640	244	23	belt	belt	NOUN
esrj-59640	244	24	.	.	PUNCT
esrj-59640	245	1	geophysical	geophysical	ADJ
esrj-59640	245	2	journal	journal	PROPN
esrj-59640	245	3	international	international	PROPN
esrj-59640	245	4	,	,	PUNCT
esrj-59640	245	5	151(1	151(1	NUM
esrj-59640	245	6	)	)	PUNCT
esrj-59640	245	7	,	,	PUNCT
esrj-59640	245	8	264	264	NUM
esrj-59640	245	9	-	-	SYM
esrj-59640	245	10	278	278	NUM
esrj-59640	245	11	.	.	PUNCT
esrj-59640	246	1	kanli	kanli	NOUN
esrj-59640	246	2	,	,	PUNCT
esrj-59640	246	3	a.	a.	NOUN
esrj-59640	246	4	i.	i.	PROPN
esrj-59640	246	5	(	(	PUNCT
esrj-59640	246	6	2009	2009	NUM
esrj-59640	246	7	)	)	PUNCT
esrj-59640	246	8	.	.	PUNCT
esrj-59640	247	1	initial	initial	ADJ
esrj-59640	247	2	velocity	velocity	NOUN
esrj-59640	247	3	model	model	NOUN
esrj-59640	247	4	construction	construction	NOUN
esrj-59640	247	5	of	of	ADP
esrj-59640	247	6	seismic	seismic	ADJ
esrj-59640	247	7	tomography	tomography	NOUN
esrj-59640	247	8	in	in	ADP
esrj-59640	247	9	nearsurface	nearsurface	NOUN
esrj-59640	247	10	application	application	NOUN
esrj-59640	247	11	.	.	PUNCT
esrj-59640	248	1	journal	journal	NOUN
esrj-59640	248	2	of	of	ADP
esrj-59640	248	3	applied	apply	VERB
esrj-59640	248	4	geophysics	geophysic	NOUN
esrj-59640	248	5	,	,	PUNCT
esrj-59640	248	6	67(1	67(1	NOUN
esrj-59640	248	7	)	)	PUNCT
esrj-59640	248	8	,	,	PUNCT
esrj-59640	248	9	52	52	NUM
esrj-59640	248	10	-	-	SYM
esrj-59640	248	11	62	62	NUM
esrj-59640	248	12	.	.	PUNCT
esrj-59640	249	1	cao	cao	PROPN
esrj-59640	249	2	,	,	PUNCT
esrj-59640	249	3	d.	d.	PROPN
esrj-59640	249	4	&	&	CCONJ
esrj-59640	249	5	liao	liao	PROPN
esrj-59640	249	6	,	,	PUNCT
esrj-59640	249	7	w.	w.	PROPN
esrj-59640	249	8	(	(	PUNCT
esrj-59640	249	9	2013	2013	NUM
esrj-59640	249	10	)	)	PUNCT
esrj-59640	249	11	.	.	PUNCT
esrj-59640	250	1	full	full	ADJ
esrj-59640	250	2	waveform	waveform	NOUN
esrj-59640	250	3	inversion	inversion	NOUN
esrj-59640	250	4	of	of	ADP
esrj-59640	250	5	crosswell	crosswell	ADJ
esrj-59640	250	6	seismic	seismic	ADJ
esrj-59640	250	7	data	datum	NOUN
esrj-59640	250	8	using	use	VERB
esrj-59640	250	9	automatic	automatic	ADJ
esrj-59640	250	10	differentiation	differentiation	NOUN
esrj-59640	250	11	.	.	PUNCT
esrj-59640	251	1	geoconvention	geoconvention	NOUN
esrj-59640	251	2	integration	integration	NOUN
esrj-59640	251	3	,	,	PUNCT
esrj-59640	251	4	geoscience	geoscience	NOUN
esrj-59640	251	5	engineering	engineering	NOUN
esrj-59640	251	6	partnership	partnership	PROPN
esrj-59640	251	7	,	,	PUNCT
esrj-59640	251	8	calgary	calgary	PROPN
esrj-59640	251	9	,	,	PUNCT
esrj-59640	251	10	canada	canada	PROPN
esrj-59640	251	11	,	,	PUNCT
esrj-59640	251	12	may	may	AUX
esrj-59640	251	13	,	,	PUNCT
esrj-59640	251	14	6	6	NUM
esrj-59640	251	15	-	-	SYM
esrj-59640	251	16	12	12	NUM
esrj-59640	251	17	.	.	PUNCT
esrj-59640	252	1	ma	ma	PROPN
esrj-59640	252	2	,	,	PUNCT
esrj-59640	252	3	y.	y.	PROPN
esrj-59640	252	4	(	(	PUNCT
esrj-59640	252	5	2010	2010	NUM
esrj-59640	252	6	)	)	PUNCT
esrj-59640	252	7	.	.	PUNCT
esrj-59640	253	1	full	full	ADJ
esrj-59640	253	2	waveform	waveform	NOUN
esrj-59640	253	3	inversion	inversion	NOUN
esrj-59640	253	4	with	with	ADP
esrj-59640	253	5	image	image	NOUN
esrj-59640	253	6	-	-	PUNCT
esrj-59640	253	7	guided	guide	VERB
esrj-59640	253	8	gradient	gradient	NOUN
esrj-59640	253	9	.	.	PUNCT
esrj-59640	254	1	m.sc	m.sc	PROPN
esrj-59640	254	2	.	.	PUNCT
esrj-59640	255	1	thesis	thesis	NOUN
esrj-59640	255	2	,	,	PUNCT
esrj-59640	255	3	center	center	NOUN
esrj-59640	255	4	for	for	ADP
esrj-59640	255	5	wave	wave	NOUN
esrj-59640	255	6	phenomena	phenomenon	NOUN
esrj-59640	255	7	,	,	PUNCT
esrj-59640	255	8	colorado	colorado	PROPN
esrj-59640	255	9	school	school	NOUN
esrj-59640	255	10	of	of	ADP
esrj-59640	255	11	mines	mine	NOUN
esrj-59640	255	12	,	,	PUNCT
esrj-59640	255	13	colorado	colorado	PROPN
esrj-59640	255	14	,	,	PUNCT
esrj-59640	255	15	usa	usa	PROPN
esrj-59640	255	16	.	.	PROPN
esrj-59640	255	17	margrave	margrave	PROPN
esrj-59640	255	18	,	,	PUNCT
esrj-59640	255	19	g.	g.	PROPN
esrj-59640	255	20	,	,	PUNCT
esrj-59640	255	21	ferguson	ferguson	PROPN
esrj-59640	255	22	,	,	PUNCT
esrj-59640	255	23	r.	r.	PROPN
esrj-59640	255	24	&	&	CCONJ
esrj-59640	255	25	hogan	hogan	PROPN
esrj-59640	255	26	,	,	PUNCT
esrj-59640	255	27	c.	c.	PROPN
esrj-59640	255	28	(	(	PUNCT
esrj-59640	255	29	2010	2010	NUM
esrj-59640	255	30	)	)	PUNCT
esrj-59640	255	31	.	.	PUNCT
esrj-59640	256	1	full	full	ADJ
esrj-59640	256	2	waveform	waveform	NOUN
esrj-59640	256	3	inversion	inversion	NOUN
esrj-59640	256	4	with	with	ADP
esrj-59640	256	5	wave	wave	NOUN
esrj-59640	256	6	equation	equation	NOUN
esrj-59640	256	7	migration	migration	NOUN
esrj-59640	256	8	and	and	CCONJ
esrj-59640	256	9	well	well	ADV
esrj-59640	256	10	control	control	NOUN
esrj-59640	256	11	.	.	PUNCT
esrj-59640	257	1	crewes	crewe	NOUN
esrj-59640	257	2	research	research	NOUN
esrj-59640	257	3	report	report	NOUN
esrj-59640	257	4	,	,	PUNCT
esrj-59640	257	5	22(63	22(63	NUM
esrj-59640	257	6	)	)	PUNCT
esrj-59640	257	7	,	,	PUNCT
esrj-59640	257	8	1	1	NUM
esrj-59640	257	9	-	-	SYM
esrj-59640	257	10	20	20	NUM
esrj-59640	257	11	.	.	PUNCT
esrj-59640	258	1	margrave	margrave	PROPN
esrj-59640	258	2	,	,	PUNCT
esrj-59640	258	3	g.	g.	PROPN
esrj-59640	258	4	,	,	PUNCT
esrj-59640	258	5	yedlin	yedlin	PROPN
esrj-59640	258	6	,	,	PUNCT
esrj-59640	258	7	m.	m.	NOUN
esrj-59640	258	8	&	&	CCONJ
esrj-59640	258	9	innanen	innanen	PROPN
esrj-59640	258	10	,	,	PUNCT
esrj-59640	258	11	k.	k.	PROPN
esrj-59640	258	12	(	(	PUNCT
esrj-59640	258	13	2011	2011	NUM
esrj-59640	258	14	)	)	PUNCT
esrj-59640	258	15	.	.	PUNCT
esrj-59640	259	1	full	full	ADJ
esrj-59640	259	2	waveform	waveform	NOUN
esrj-59640	259	3	inversion	inversion	NOUN
esrj-59640	259	4	and	and	CCONJ
esrj-59640	259	5	the	the	DET
esrj-59640	259	6	inverse	inverse	NOUN
esrj-59640	259	7	hessian	hessian	NOUN
esrj-59640	259	8	.	.	PUNCT
esrj-59640	260	1	crewes	crewe	NOUN
esrj-59640	260	2	research	research	NOUN
esrj-59640	260	3	report	report	NOUN
esrj-59640	260	4	,	,	PUNCT
esrj-59640	260	5	23(77	23(77	NUM
esrj-59640	260	6	)	)	PUNCT
esrj-59640	260	7	,	,	PUNCT
esrj-59640	260	8	1	1	NUM
esrj-59640	260	9	-	-	SYM
esrj-59640	260	10	13	13	NUM
esrj-59640	260	11	.	.	PUNCT
esrj-59640	261	1	operto	operto	PROPN
esrj-59640	261	2	,	,	PUNCT
esrj-59640	261	3	s.	s.	PROPN
esrj-59640	261	4	,	,	PUNCT
esrj-59640	261	5	virieux	virieux	PROPN
esrj-59640	261	6	,	,	PUNCT
esrj-59640	261	7	j.	j.	PROPN
esrj-59640	261	8	,	,	PUNCT
esrj-59640	261	9	amestoy	amestoy	PROPN
esrj-59640	261	10	,	,	PUNCT
esrj-59640	261	11	p.	p.	NOUN
esrj-59640	261	12	,	,	PUNCT
esrj-59640	261	13	l’excellent	l’excellent	PROPN
esrj-59640	261	14	,	,	PUNCT
esrj-59640	261	15	j.	j.	PROPN
esrj-59640	261	16	y.	y.	PROPN
esrj-59640	261	17	,	,	PUNCT
esrj-59640	261	18	giraud	giraud	PROPN
esrj-59640	261	19	,	,	PUNCT
esrj-59640	261	20	l.	l.	PROPN
esrj-59640	261	21	&	&	CCONJ
esrj-59640	261	22	benhadj	benhadj	PROPN
esrj-59640	261	23	-	-	PUNCT
esrj-59640	261	24	ali	ali	PROPN
esrj-59640	261	25	,	,	PUNCT
esrj-59640	261	26	h.	h.	PROPN
esrj-59640	261	27	(	(	PUNCT
esrj-59640	261	28	2007	2007	NUM
esrj-59640	261	29	)	)	PUNCT
esrj-59640	261	30	.	.	PUNCT
esrj-59640	262	1	3d	3d	NUM
esrj-59640	262	2	finite	finite	ADJ
esrj-59640	262	3	-	-	PUNCT
esrj-59640	262	4	difference	difference	ADJ
esrj-59640	262	5	frequency	frequency	NOUN
esrj-59640	262	6	-	-	PUNCT
esrj-59640	262	7	domain	domain	NOUN
esrj-59640	262	8	modeling	modeling	NOUN
esrj-59640	262	9	of	of	ADP
esrj-59640	262	10	visco	visco	ADJ
esrj-59640	262	11	-	-	ADJ
esrj-59640	262	12	acoustic	acoustic	ADJ
esrj-59640	262	13	wave	wave	NOUN
esrj-59640	262	14	propagation	propagation	NOUN
esrj-59640	262	15	using	use	VERB
esrj-59640	262	16	a	a	DET
esrj-59640	262	17	massively	massively	ADV
esrj-59640	262	18	parallel	parallel	ADJ
esrj-59640	262	19	direct	direct	ADJ
esrj-59640	262	20	solver	solver	NOUN
esrj-59640	262	21	:	:	PUNCT
esrj-59640	262	22	a	a	DET
esrj-59640	262	23	feasibility	feasibility	NOUN
esrj-59640	262	24	study	study	NOUN
esrj-59640	262	25	.	.	PUNCT
esrj-59640	263	1	geophysics	geophysic	NOUN
esrj-59640	263	2	,	,	PUNCT
esrj-59640	263	3	72(5	72(5	NOUN
esrj-59640	263	4	)	)	PUNCT
esrj-59640	263	5	,	,	PUNCT
esrj-59640	263	6	195211	195211	NUM
esrj-59640	263	7	.	.	PUNCT
esrj-59640	264	1	pica	pica	PROPN
esrj-59640	264	2	,	,	PUNCT
esrj-59640	264	3	a.	a.	NOUN
esrj-59640	264	4	,	,	PUNCT
esrj-59640	264	5	diet	diet	PROPN
esrj-59640	264	6	,	,	PUNCT
esrj-59640	264	7	j.	j.	PROPN
esrj-59640	264	8	p.	p.	PROPN
esrj-59640	264	9	&	&	CCONJ
esrj-59640	264	10	tarantola	tarantola	PROPN
esrj-59640	264	11	,	,	PUNCT
esrj-59640	264	12	a.	a.	NOUN
esrj-59640	264	13	(	(	PUNCT
esrj-59640	264	14	1990	1990	NUM
esrj-59640	264	15	)	)	PUNCT
esrj-59640	264	16	.	.	PUNCT
esrj-59640	265	1	nonlinear	nonlinear	ADJ
esrj-59640	265	2	inversion	inversion	NOUN
esrj-59640	265	3	of	of	ADP
esrj-59640	265	4	seismic	seismic	ADJ
esrj-59640	265	5	reflection	reflection	NOUN
esrj-59640	265	6	data	datum	NOUN
esrj-59640	265	7	in	in	ADP
esrj-59640	265	8	a	a	DET
esrj-59640	265	9	laterally	laterally	ADV
esrj-59640	265	10	invariant	invariant	ADJ
esrj-59640	265	11	medium	medium	NOUN
esrj-59640	265	12	.	.	PUNCT
esrj-59640	266	1	geophysics	geophysic	NOUN
esrj-59640	266	2	,	,	PUNCT
esrj-59640	266	3	55(3	55(3	NUM
esrj-59640	266	4	)	)	PUNCT
esrj-59640	266	5	,	,	PUNCT
esrj-59640	266	6	284	284	NUM
esrj-59640	266	7	-	-	SYM
esrj-59640	266	8	292	292	NUM
esrj-59640	266	9	.	.	PUNCT
esrj-59640	267	1	ravaut	ravaut	PROPN
esrj-59640	267	2	,	,	PUNCT
esrj-59640	267	3	c.	c.	PROPN
esrj-59640	267	4	,	,	PUNCT
esrj-59640	267	5	operto	operto	PROPN
esrj-59640	267	6	,	,	PUNCT
esrj-59640	267	7	s.	s.	PROPN
esrj-59640	267	8	,	,	PUNCT
esrj-59640	267	9	improta	improta	PROPN
esrj-59640	267	10	,	,	PUNCT
esrj-59640	267	11	l.	l.	PROPN
esrj-59640	267	12	,	,	PUNCT
esrj-59640	267	13	virieux	virieux	PROPN
esrj-59640	267	14	,	,	PUNCT
esrj-59640	267	15	j.	j.	PROPN
esrj-59640	267	16	,	,	PUNCT
esrj-59640	267	17	herrero	herrero	PROPN
esrj-59640	267	18	,	,	PUNCT
esrj-59640	267	19	a.	a.	PROPN
esrj-59640	267	20	&	&	CCONJ
esrj-59640	267	21	dell’aversana	dell’aversana	PROPN
esrj-59640	267	22	,	,	PUNCT
esrj-59640	267	23	p.	p.	NOUN
esrj-59640	267	24	(	(	PUNCT
esrj-59640	267	25	2004	2004	NUM
esrj-59640	267	26	)	)	PUNCT
esrj-59640	267	27	.	.	PUNCT
esrj-59640	268	1	multiscale	multiscale	ADJ
esrj-59640	268	2	imaging	imaging	NOUN
esrj-59640	268	3	of	of	ADP
esrj-59640	268	4	complex	complex	ADJ
esrj-59640	268	5	structures	structure	NOUN
esrj-59640	268	6	from	from	ADP
esrj-59640	268	7	multifold	multifold	ADJ
esrj-59640	268	8	wide	wide	ADJ
esrj-59640	268	9	-	-	PUNCT
esrj-59640	268	10	aperture	aperture	NOUN
esrj-59640	268	11	seismic	seismic	ADJ
esrj-59640	268	12	data	datum	NOUN
esrj-59640	268	13	by	by	ADP
esrj-59640	268	14	frequency	frequency	NOUN
esrj-59640	268	15	-	-	PUNCT
esrj-59640	268	16	domain	domain	NOUN
esrj-59640	268	17	full	full	ADJ
esrj-59640	268	18	-	-	PUNCT
esrj-59640	268	19	waveform	waveform	NOUN
esrj-59640	268	20	tomography	tomography	NOUN
esrj-59640	268	21	:	:	PUNCT
esrj-59640	268	22	application	application	NOUN
esrj-59640	268	23	to	to	ADP
esrj-59640	268	24	a	a	DET
esrj-59640	268	25	thrust	thrust	ADJ
esrj-59640	268	26	belt	belt	NOUN
esrj-59640	268	27	.	.	PUNCT
esrj-59640	269	1	geophysical	geophysical	ADJ
esrj-59640	269	2	journal	journal	PROPN
esrj-59640	269	3	international	international	PROPN
esrj-59640	269	4	,	,	PUNCT
esrj-59640	269	5	159(3	159(3	NUM
esrj-59640	269	6	)	)	PUNCT
esrj-59640	269	7	,	,	PUNCT
esrj-59640	269	8	1032	1032	NUM
esrj-59640	269	9	-	-	SYM
esrj-59640	269	10	1056	1056	NUM
esrj-59640	269	11	.	.	PUNCT
esrj-59640	270	1	shanno	shanno	PROPN
esrj-59640	270	2	,	,	PUNCT
esrj-59640	270	3	d.	d.	PROPN
esrj-59640	270	4	f.	f.	PROPN
esrj-59640	270	5	(	(	PUNCT
esrj-59640	270	6	1970	1970	NUM
esrj-59640	270	7	)	)	PUNCT
esrj-59640	270	8	.	.	PUNCT
esrj-59640	271	1	conditioning	conditioning	NOUN
esrj-59640	271	2	of	of	ADP
esrj-59640	271	3	quasi	quasi	ADJ
esrj-59640	271	4	-	-	ADJ
esrj-59640	271	5	newton	newton	PROPN
esrj-59640	271	6	methods	method	NOUN
esrj-59640	271	7	for	for	ADP
esrj-59640	271	8	function	function	NOUN
esrj-59640	271	9	minimization	minimization	NOUN
esrj-59640	271	10	.	.	PUNCT
esrj-59640	272	1	mathematics	mathematic	NOUN
esrj-59640	272	2	of	of	ADP
esrj-59640	272	3	computation	computation	NOUN
esrj-59640	272	4	,	,	PUNCT
esrj-59640	272	5	24(111	24(111	NOUN
esrj-59640	272	6	)	)	PUNCT
esrj-59640	272	7	,	,	PUNCT
esrj-59640	272	8	647	647	NUM
esrj-59640	272	9	-	-	SYM
esrj-59640	272	10	656	656	NUM
esrj-59640	272	11	.	.	PUNCT
esrj-59640	273	1	sirgue	sirgue	PROPN
esrj-59640	273	2	,	,	PUNCT
esrj-59640	273	3	l.	l.	PROPN
esrj-59640	273	4	(	(	PUNCT
esrj-59640	273	5	2003	2003	NUM
esrj-59640	273	6	)	)	PUNCT
esrj-59640	273	7	.	.	PUNCT
esrj-59640	274	1	frequency	frequency	NOUN
esrj-59640	274	2	domain	domain	NOUN
esrj-59640	274	3	waveform	waveform	VERB
esrj-59640	274	4	inversion	inversion	NOUN
esrj-59640	274	5	of	of	ADP
esrj-59640	274	6	large	large	ADJ
esrj-59640	274	7	offset	offset	ADJ
esrj-59640	274	8	seismic	seismic	ADJ
esrj-59640	274	9	data	datum	NOUN
esrj-59640	274	10	.	.	PUNCT
esrj-59640	275	1	ph.d	ph.d	PROPN
esrj-59640	275	2	thesis	thesis	NOUN
esrj-59640	275	3	,	,	PUNCT
esrj-59640	275	4	l’ecole	l’ecole	PROPN
esrj-59640	275	5	normale	normale	PROPN
esrj-59640	275	6	superieure	superieure	PROPN
esrj-59640	275	7	de	de	PROPN
esrj-59640	275	8	paris	paris	PROPN
esrj-59640	275	9	,	,	PUNCT
esrj-59640	275	10	paris	paris	PROPN
esrj-59640	275	11	,	,	PUNCT
esrj-59640	275	12	france	france	PROPN
esrj-59640	275	13	.	.	PUNCT
esrj-59640	276	1	sirgue	sirgue	PROPN
esrj-59640	276	2	,	,	PUNCT
esrj-59640	276	3	l.	l.	PROPN
esrj-59640	276	4	&	&	CCONJ
esrj-59640	276	5	pratt	pratt	PROPN
esrj-59640	276	6	,	,	PUNCT
esrj-59640	276	7	r.	r.	PROPN
esrj-59640	276	8	g.	g.	PROPN
esrj-59640	276	9	(	(	PUNCT
esrj-59640	276	10	2004	2004	NUM
esrj-59640	276	11	)	)	PUNCT
esrj-59640	276	12	.	.	PUNCT
esrj-59640	277	1	efficient	efficient	ADJ
esrj-59640	277	2	waveform	waveform	VERB
esrj-59640	277	3	inversion	inversion	NOUN
esrj-59640	277	4	and	and	CCONJ
esrj-59640	277	5	imaging	imaging	NOUN
esrj-59640	277	6	:	:	PUNCT
esrj-59640	277	7	a	a	DET
esrj-59640	277	8	strategy	strategy	NOUN
esrj-59640	277	9	for	for	ADP
esrj-59640	277	10	selecting	select	VERB
esrj-59640	277	11	temporal	temporal	ADJ
esrj-59640	277	12	frequencies	frequency	NOUN
esrj-59640	277	13	.	.	PUNCT
esrj-59640	278	1	geophysics	geophysic	NOUN
esrj-59640	278	2	,	,	PUNCT
esrj-59640	278	3	69(1	69(1	NUM
esrj-59640	278	4	)	)	PUNCT
esrj-59640	278	5	,	,	PUNCT
esrj-59640	278	6	231	231	NUM
esrj-59640	278	7	-	-	SYM
esrj-59640	278	8	248	248	NUM
esrj-59640	278	9	.	.	PUNCT
esrj-59640	279	1	vigh	vigh	PROPN
esrj-59640	279	2	,	,	PUNCT
esrj-59640	279	3	d.	d.	PROPN
esrj-59640	279	4	&	&	CCONJ
esrj-59640	279	5	starr	starr	PROPN
esrj-59640	279	6	,	,	PUNCT
esrj-59640	279	7	w.	w.	PROPN
esrj-59640	279	8	(	(	PUNCT
esrj-59640	279	9	2008	2008	NUM
esrj-59640	279	10	)	)	PUNCT
esrj-59640	279	11	.	.	PUNCT
esrj-59640	280	1	3d	3d	NUM
esrj-59640	280	2	pre	pre	ADJ
esrj-59640	280	3	-	-	ADJ
esrj-59640	280	4	stack	stack	ADJ
esrj-59640	280	5	plane	plane	NOUN
esrj-59640	280	6	-	-	PUNCT
esrj-59640	280	7	wave	wave	NOUN
esrj-59640	280	8	,	,	PUNCT
esrj-59640	280	9	full	full	ADJ
esrj-59640	280	10	-	-	PUNCT
esrj-59640	280	11	waveform	waveform	NOUN
esrj-59640	280	12	inversion	inversion	NOUN
esrj-59640	280	13	.	.	PUNCT
esrj-59640	281	1	geophysics	geophysic	NOUN
esrj-59640	281	2	,	,	PUNCT
esrj-59640	281	3	73(5	73(5	NUM
esrj-59640	281	4	)	)	PUNCT
esrj-59640	281	5	,	,	PUNCT
esrj-59640	281	6	135	135	NUM
esrj-59640	281	7	-	-	SYM
esrj-59640	281	8	144	144	NUM
esrj-59640	281	9	.	.	PUNCT
esrj-59640	282	1	figure	figure	NOUN
esrj-59640	282	2	14	14	NUM
esrj-59640	282	3	.	.	PUNCT
esrj-59640	283	1	velocity	velocity	NOUN
esrj-59640	283	2	log	log	NOUN
esrj-59640	283	3	extracted	extract	VERB
esrj-59640	283	4	at	at	ADP
esrj-59640	283	5	horizontal	horizontal	ADJ
esrj-59640	283	6	distance	distance	NOUN
esrj-59640	283	7	x	x	PUNCT
esrj-59640	284	1	=	=	PUNCT
esrj-59640	284	2	(	(	PUNCT
esrj-59640	284	3	a	a	X
esrj-59640	284	4	)	)	PUNCT
esrj-59640	284	5	200	200	NUM
esrj-59640	284	6	m	m	NOUN
esrj-59640	284	7	(	(	PUNCT
esrj-59640	284	8	b	b	NOUN
esrj-59640	284	9	)	)	PUNCT
esrj-59640	284	10	400	400	NUM
esrj-59640	284	11	m	m	NOUN
esrj-59640	284	12	(	(	PUNCT
esrj-59640	284	13	c	c	NOUN
esrj-59640	284	14	)	)	PUNCT
esrj-59640	284	15	600	600	NUM
esrj-59640	284	16	m	m	NUM
esrj-59640	284	17	300	300	NUM
esrj-59640	284	18	sagar	sagar	NOUN
esrj-59640	284	19	singh	singh	PROPN
esrj-59640	284	20	,	,	PUNCT
esrj-59640	284	21	ali	ali	PROPN
esrj-59640	284	22	ismet	ismet	PROPN
esrj-59640	284	23	kanli	kanli	PROPN
esrj-59640	284	24	,	,	PUNCT
esrj-59640	284	25	sagarika	sagarika	PROPN
esrj-59640	284	26	mukhopadhyay	mukhopadhyay	PROPN
esrj-59640	284	27	wang	wang	PROPN
esrj-59640	284	28	,	,	PUNCT
esrj-59640	284	29	m.	m.	PROPN
esrj-59640	284	30	,	,	PUNCT
esrj-59640	284	31	zhang	zhang	PROPN
esrj-59640	284	32	,	,	PUNCT
esrj-59640	284	33	d.	d.	PROPN
esrj-59640	284	34	,	,	PUNCT
esrj-59640	284	35	yao	yao	PROPN
esrj-59640	284	36	,	,	PUNCT
esrj-59640	284	37	d.	d.	PROPN
esrj-59640	284	38	,	,	PUNCT
esrj-59640	284	39	qin	qin	PROPN
esrj-59640	284	40	,	,	PUNCT
esrj-59640	284	41	q.	q.	PROPN
esrj-59640	284	42	,	,	PUNCT
esrj-59640	284	43	&	&	CCONJ
esrj-59640	284	44	xu	xu	PROPN
esrj-59640	284	45	,	,	PUNCT
esrj-59640	284	46	l.	l.	PROPN
esrj-59640	284	47	(	(	PUNCT
esrj-59640	284	48	2012	2012	NUM
esrj-59640	284	49	)	)	PUNCT
esrj-59640	284	50	.	.	PUNCT
esrj-59640	285	1	application	application	NOUN
esrj-59640	285	2	of	of	ADP
esrj-59640	285	3	frequency	frequency	NOUN
esrj-59640	285	4	-	-	PUNCT
esrj-59640	285	5	domain	domain	NOUN
esrj-59640	285	6	waveform	waveform	NOUN
esrj-59640	285	7	inversion	inversion	NOUN
esrj-59640	285	8	method	method	NOUN
esrj-59640	285	9	in	in	ADP
esrj-59640	285	10	marmousi	marmousi	PROPN
esrj-59640	285	11	shots	shot	VERB
esrj-59640	285	12	data	datum	NOUN
esrj-59640	285	13	.	.	PUNCT
esrj-59640	286	1	wuhan	wuhan	PROPN
esrj-59640	286	2	university	university	PROPN
esrj-59640	286	3	journal	journal	PROPN
esrj-59640	286	4	of	of	ADP
esrj-59640	286	5	natural	natural	ADJ
esrj-59640	286	6	sciences	science	NOUN
esrj-59640	286	7	,	,	PUNCT
esrj-59640	286	8	17(4	17(4	NUM
esrj-59640	286	9	)	)	PUNCT
esrj-59640	286	10	,	,	PUNCT
esrj-59640	286	11	326	326	NUM
esrj-59640	286	12	-	-	SYM
esrj-59640	286	13	330	330	NUM
esrj-59640	286	14	.	.	PUNCT
esrj-59640	287	1	wolfe	wolfe	PROPN
esrj-59640	287	2	,	,	PUNCT
esrj-59640	287	3	p.	p.	PROPN
esrj-59640	287	4	(	(	PUNCT
esrj-59640	287	5	1969	1969	NUM
esrj-59640	287	6	)	)	PUNCT
esrj-59640	287	7	.	.	PUNCT
esrj-59640	288	1	convergence	convergence	NOUN
esrj-59640	288	2	conditions	condition	NOUN
esrj-59640	288	3	for	for	ADP
esrj-59640	288	4	ascent	ascent	ADJ
esrj-59640	288	5	methods	method	NOUN
esrj-59640	288	6	.	.	PUNCT
esrj-59640	289	1	siam	siam	PROPN
esrj-59640	289	2	review	review	PROPN
esrj-59640	289	3	,	,	PUNCT
esrj-59640	289	4	11(2	11(2	NUM
esrj-59640	289	5	)	)	PUNCT
esrj-59640	289	6	,	,	PUNCT
esrj-59640	289	7	226	226	NUM
esrj-59640	289	8	-	-	SYM
esrj-59640	289	9	235	235	NUM
esrj-59640	289	10	.	.	PUNCT
esrj-59640	290	1	wolfe	wolfe	PROPN
esrj-59640	290	2	,	,	PUNCT
esrj-59640	290	3	p.	p.	PROPN
esrj-59640	290	4	(	(	PUNCT
esrj-59640	290	5	1971	1971	NUM
esrj-59640	290	6	)	)	PUNCT
esrj-59640	290	7	.	.	PUNCT
esrj-59640	291	1	convergence	convergence	NOUN
esrj-59640	291	2	conditions	condition	NOUN
esrj-59640	291	3	for	for	ADP
esrj-59640	291	4	ascent	ascent	PROPN
esrj-59640	291	5	methods	method	NOUN
esrj-59640	291	6	ii	ii	PROPN
esrj-59640	291	7	:	:	PUNCT
esrj-59640	291	8	some	some	DET
esrj-59640	291	9	corrections	correction	NOUN
esrj-59640	291	10	.	.	PUNCT
esrj-59640	292	1	siam	siam	PROPN
esrj-59640	292	2	review	review	PROPN
esrj-59640	292	3	,	,	PUNCT
esrj-59640	292	4	13(2	13(2	PROPN
esrj-59640	292	5	)	)	PUNCT
esrj-59640	292	6	,	,	PUNCT
esrj-59640	292	7	185	185	NUM
esrj-59640	292	8	-	-	SYM
esrj-59640	292	9	188	188	NUM
esrj-59640	292	10	.	.	PUNCT
esrj-59640	293	1	zhang	zhang	PROPN
esrj-59640	293	2	.	.	PROPN
esrj-59640	293	3	,	,	PUNCT
esrj-59640	293	4	w.	w.	PROPN
esrj-59640	293	5	&	&	CCONJ
esrj-59640	293	6	luo	luo	PROPN
esrj-59640	293	7	,	,	PUNCT
esrj-59640	293	8	j.	j.	PROPN
esrj-59640	293	9	(	(	PUNCT
esrj-59640	293	10	2013	2013	NUM
esrj-59640	293	11	)	)	PUNCT
esrj-59640	293	12	.	.	PUNCT
esrj-59640	294	1	full	full	ADJ
esrj-59640	294	2	-	-	PUNCT
esrj-59640	294	3	waveform	waveform	NOUN
esrj-59640	294	4	velocity	velocity	NOUN
esrj-59640	294	5	inversion	inversion	NOUN
esrj-59640	294	6	based	base	VERB
esrj-59640	294	7	on	on	ADP
esrj-59640	294	8	the	the	DET
esrj-59640	294	9	acoustic	acoustic	ADJ
esrj-59640	294	10	wave	wave	NOUN
esrj-59640	294	11	equation	equation	NOUN
esrj-59640	294	12	.	.	PUNCT
esrj-59640	295	1	american	american	ADJ
esrj-59640	295	2	journal	journal	PROPN
esrj-59640	295	3	of	of	ADP
esrj-59640	295	4	computational	computational	ADJ
esrj-59640	295	5	mathematics	mathematic	NOUN
esrj-59640	295	6	,	,	PUNCT
esrj-59640	295	7	3(3b	3(3b	NUM
esrj-59640	295	8	)	)	PUNCT
esrj-59640	295	9	,	,	PUNCT
esrj-59640	295	10	13	13	NUM
esrj-59640	295	11	-	-	SYM
esrj-59640	295	12	20	20	NUM
esrj-59640	295	13	.	.	PUNCT
esrj-59640	296	1	zhang	zhang	PROPN
esrj-59640	296	2	,	,	PUNCT
esrj-59640	296	3	w.	w.	PROPN
esrj-59640	296	4	(	(	PUNCT
esrj-59640	296	5	2009	2009	NUM
esrj-59640	296	6	)	)	PUNCT
esrj-59640	296	7	.	.	PUNCT
esrj-59640	297	1	imaging	imaging	NOUN
esrj-59640	297	2	methods	method	NOUN
esrj-59640	297	3	and	and	CCONJ
esrj-59640	297	4	computations	computation	NOUN
esrj-59640	297	5	based	base	VERB
esrj-59640	297	6	on	on	ADP
esrj-59640	297	7	the	the	DET
esrj-59640	297	8	wave	wave	NOUN
esrj-59640	297	9	equation	equation	NOUN
esrj-59640	297	10	.	.	PUNCT
esrj-59640	298	1	beijing	beijing	PROPN
esrj-59640	298	2	,	,	PUNCT
esrj-59640	298	3	science	science	NOUN
esrj-59640	298	4	press	press	NOUN
esrj-59640	298	5	.	.	PUNCT
esrj-59640	299	1	zhang	zhang	PROPN
esrj-59640	299	2	,	,	PUNCT
esrj-59640	299	3	w.	w.	PROPN
esrj-59640	299	4	&	&	CCONJ
esrj-59640	299	5	dai	dai	PROPN
esrj-59640	299	6	,	,	PUNCT
esrj-59640	299	7	y.	y.	PROPN
esrj-59640	299	8	(	(	PUNCT
esrj-59640	299	9	2013	2013	NUM
esrj-59640	299	10	)	)	PUNCT
esrj-59640	299	11	.	.	PUNCT
esrj-59640	300	1	finite	finite	ADJ
esrj-59640	300	2	-	-	PUNCT
esrj-59640	300	3	difference	difference	NOUN
esrj-59640	300	4	solution	solution	NOUN
esrj-59640	300	5	of	of	ADP
esrj-59640	300	6	the	the	DET
esrj-59640	300	7	helmholtz	helmholtz	NOUN
esrj-59640	300	8	equation	equation	NOUN
esrj-59640	300	9	based	base	VERB
esrj-59640	300	10	on	on	ADP
esrj-59640	300	11	two	two	NUM
esrj-59640	300	12	domain	domain	NOUN
esrj-59640	300	13	decomposition	decomposition	NOUN
esrj-59640	300	14	algorithm	algorithm	NOUN
esrj-59640	300	15	.	.	PUNCT
esrj-59640	301	1	journal	journal	NOUN
esrj-59640	301	2	of	of	ADP
esrj-59640	301	3	applied	apply	VERB
esrj-59640	301	4	mathematics	mathematic	NOUN
esrj-59640	301	5	and	and	CCONJ
esrj-59640	301	6	physics	physic	NOUN
esrj-59640	301	7	,	,	PUNCT
esrj-59640	301	8	1(4	1(4	NUM
esrj-59640	301	9	)	)	PUNCT
esrj-59640	301	10	,	,	PUNCT
esrj-59640	301	11	18	18	NUM
esrj-59640	301	12	-	-	SYM
esrj-59640	301	13	24	24	NUM
esrj-59640	301	14	.	.	PUNCT