id	sid	tid	token	lemma	pos
ajst-30243	1	1	academic	academic	ADJ
ajst-30243	1	2	journal	journal	NOUN
ajst-30243	1	3	of	of	ADP
ajst-30243	1	4	science	science	NOUN
ajst-30243	1	5	and	and	CCONJ
ajst-30243	1	6	technology	technology	NOUN
ajst-30243	1	7	issn	issn	NOUN
ajst-30243	1	8	:	:	PUNCT
ajst-30243	1	9	2771	2771	NUM
ajst-30243	1	10	-	-	SYM
ajst-30243	1	11	3032	3032	NUM
ajst-30243	1	12	|	|	NOUN
ajst-30243	1	13	vol	vol	NOUN
ajst-30243	1	14	.	.	PUNCT
ajst-30243	2	1	14	14	NUM
ajst-30243	2	2	,	,	PUNCT
ajst-30243	2	3	no	no	INTJ
ajst-30243	2	4	.	.	NOUN
ajst-30243	2	5	3	3	NUM
ajst-30243	2	6	,	,	PUNCT
ajst-30243	2	7	2025	2025	NUM
ajst-30243	2	8	406	406	NUM
ajst-30243	2	9	development	development	NOUN
ajst-30243	2	10	and	and	CCONJ
ajst-30243	2	11	implementation	implementation	NOUN
ajst-30243	2	12	of	of	ADP
ajst-30243	2	13	low	low	ADJ
ajst-30243	2	14	noise	noise	NOUN
ajst-30243	2	15	acquisition	acquisition	NOUN
ajst-30243	2	16	and	and	CCONJ
ajst-30243	2	17	high	high	ADJ
ajst-30243	2	18	precision	precision	NOUN
ajst-30243	2	19	time	time	NOUN
ajst-30243	2	20	synchronization	synchronization	NOUN
ajst-30243	2	21	technology	technology	NOUN
ajst-30243	2	22	for	for	ADP
ajst-30243	2	23	shallow	shallow	ADJ
ajst-30243	2	24	buried	bury	VERB
ajst-30243	2	25	microseismic	microseismic	ADJ
ajst-30243	2	26	monitoring	monitoring	NOUN
ajst-30243	2	27	system	system	NOUN
ajst-30243	2	28	feilong	feilong	PROPN
ajst-30243	2	29	yang	yang	PROPN
ajst-30243	2	30	,	,	PUNCT
ajst-30243	2	31	qingyuan	qingyuan	PROPN
ajst-30243	2	32	deng	deng	PROPN
ajst-30243	2	33	,	,	PUNCT
ajst-30243	2	34	and	and	CCONJ
ajst-30243	2	35	xunqian	xunqian	ADJ
ajst-30243	2	36	tong	tong	PROPN
ajst-30243	2	37	*	*	PROPN
ajst-30243	2	38	college	college	PROPN
ajst-30243	2	39	of	of	ADP
ajst-30243	2	40	instrumentation	instrumentation	NOUN
ajst-30243	2	41	and	and	CCONJ
ajst-30243	2	42	electrical	electrical	ADJ
ajst-30243	2	43	engineering	engineering	NOUN
ajst-30243	2	44	,	,	PUNCT
ajst-30243	2	45	jilin	jilin	PROPN
ajst-30243	2	46	university	university	PROPN
ajst-30243	2	47	,	,	PUNCT
ajst-30243	2	48	changchun	changchun	PROPN
ajst-30243	2	49	130021	130021	NUM
ajst-30243	2	50	,	,	PUNCT
ajst-30243	2	51	china	china	PROPN
ajst-30243	2	52	*	*	PUNCT
ajst-30243	2	53	corresponding	correspond	VERB
ajst-30243	2	54	authors	author	NOUN
ajst-30243	2	55	:	:	PUNCT
ajst-30243	2	56	xunqian	xunqian	PROPN
ajst-30243	2	57	tong	tong	PROPN
ajst-30243	2	58	abstract	abstract	NOUN
ajst-30243	2	59	:	:	PUNCT
ajst-30243	2	60	existing	exist	VERB
ajst-30243	2	61	shallow	shallow	NOUN
ajst-30243	2	62	-	-	PUNCT
ajst-30243	2	63	buried	bury	VERB
ajst-30243	2	64	microseismic	microseismic	ADJ
ajst-30243	2	65	acquisition	acquisition	NOUN
ajst-30243	2	66	systems	system	NOUN
ajst-30243	2	67	face	face	VERB
ajst-30243	2	68	significant	significant	ADJ
ajst-30243	2	69	challenges	challenge	NOUN
ajst-30243	2	70	in	in	ADP
ajst-30243	2	71	deployment	deployment	NOUN
ajst-30243	2	72	and	and	CCONJ
ajst-30243	2	73	maintenance	maintenance	NOUN
ajst-30243	2	74	,	,	PUNCT
ajst-30243	2	75	with	with	ADP
ajst-30243	2	76	noise	noise	NOUN
ajst-30243	2	77	performance	performance	NOUN
ajst-30243	2	78	often	often	ADV
ajst-30243	2	79	failing	fail	VERB
ajst-30243	2	80	to	to	PART
ajst-30243	2	81	meet	meet	VERB
ajst-30243	2	82	the	the	DET
ajst-30243	2	83	demands	demand	NOUN
ajst-30243	2	84	of	of	ADP
ajst-30243	2	85	modern	modern	ADJ
ajst-30243	2	86	microseismic	microseismic	ADJ
ajst-30243	2	87	detection	detection	NOUN
ajst-30243	2	88	techniques	technique	NOUN
ajst-30243	2	89	.	.	PUNCT
ajst-30243	3	1	furthermore	furthermore	ADV
ajst-30243	3	2	,	,	PUNCT
ajst-30243	3	3	these	these	DET
ajst-30243	3	4	systems	system	NOUN
ajst-30243	3	5	rely	rely	VERB
ajst-30243	3	6	on	on	ADP
ajst-30243	3	7	internal	internal	ADJ
ajst-30243	3	8	clocks	clock	NOUN
ajst-30243	3	9	for	for	ADP
ajst-30243	3	10	timestamping	timestampe	VERB
ajst-30243	3	11	,	,	PUNCT
ajst-30243	3	12	where	where	SCONJ
ajst-30243	3	13	frequency	frequency	NOUN
ajst-30243	3	14	drift	drift	NOUN
ajst-30243	3	15	in	in	ADP
ajst-30243	3	16	crystal	crystal	NOUN
ajst-30243	3	17	oscillators	oscillator	NOUN
ajst-30243	3	18	can	can	AUX
ajst-30243	3	19	result	result	VERB
ajst-30243	3	20	in	in	ADP
ajst-30243	3	21	substantial	substantial	ADJ
ajst-30243	3	22	cumulative	cumulative	ADJ
ajst-30243	3	23	time	time	NOUN
ajst-30243	3	24	errors	error	NOUN
ajst-30243	3	25	.	.	PUNCT
ajst-30243	4	1	to	to	PART
ajst-30243	4	2	address	address	VERB
ajst-30243	4	3	these	these	DET
ajst-30243	4	4	limitations	limitation	NOUN
ajst-30243	4	5	,	,	PUNCT
ajst-30243	4	6	this	this	DET
ajst-30243	4	7	study	study	NOUN
ajst-30243	4	8	develops	develop	VERB
ajst-30243	4	9	a	a	DET
ajst-30243	4	10	high	high	ADJ
ajst-30243	4	11	-	-	PUNCT
ajst-30243	4	12	precision	precision	NOUN
ajst-30243	4	13	data	datum	NOUN
ajst-30243	4	14	acquisition	acquisition	NOUN
ajst-30243	4	15	channel	channel	NOUN
ajst-30243	4	16	by	by	ADP
ajst-30243	4	17	applying	apply	VERB
ajst-30243	4	18	principles	principle	NOUN
ajst-30243	4	19	of	of	ADP
ajst-30243	4	20	minimum	minimum	ADJ
ajst-30243	4	21	noise	noise	NOUN
ajst-30243	4	22	and	and	CCONJ
ajst-30243	4	23	impedance	impedance	NOUN
ajst-30243	4	24	matching	matching	NOUN
ajst-30243	4	25	,	,	PUNCT
ajst-30243	4	26	alongside	alongside	ADP
ajst-30243	4	27	a	a	DET
ajst-30243	4	28	comparative	comparative	ADJ
ajst-30243	4	29	analysis	analysis	NOUN
ajst-30243	4	30	of	of	ADP
ajst-30243	4	31	state	state	NOUN
ajst-30243	4	32	-	-	PUNCT
ajst-30243	4	33	of	of	ADP
ajst-30243	4	34	-	-	PUNCT
ajst-30243	4	35	the	the	DET
ajst-30243	4	36	-	-	PUNCT
ajst-30243	4	37	art	art	NOUN
ajst-30243	4	38	∆-σ	∆-σ	PROPN
ajst-30243	4	39	analogto	analogto	ADJ
ajst-30243	4	40	-	-	PUNCT
ajst-30243	4	41	digital	digital	ADJ
ajst-30243	4	42	converters	converter	NOUN
ajst-30243	4	43	(	(	PUNCT
ajst-30243	4	44	adcs	adcs	ADJ
ajst-30243	4	45	)	)	PUNCT
ajst-30243	4	46	.	.	PUNCT
ajst-30243	5	1	the	the	DET
ajst-30243	5	2	system	system	NOUN
ajst-30243	5	3	achieves	achieve	VERB
ajst-30243	5	4	a	a	DET
ajst-30243	5	5	short	short	ADJ
ajst-30243	5	6	-	-	PUNCT
ajst-30243	5	7	circuit	circuit	NOUN
ajst-30243	5	8	noise	noise	NOUN
ajst-30243	5	9	level	level	NOUN
ajst-30243	5	10	below	below	ADP
ajst-30243	5	11	1.5	1.5	NUM
ajst-30243	5	12	μv	μv	NOUN
ajst-30243	5	13	@	@	ADP
ajst-30243	5	14	500	500	NUM
ajst-30243	5	15	hz	hz	VERB
ajst-30243	5	16	,	,	PUNCT
ajst-30243	5	17	a	a	DET
ajst-30243	5	18	dynamic	dynamic	ADJ
ajst-30243	5	19	range	range	NOUN
ajst-30243	5	20	of	of	ADP
ajst-30243	5	21	126.7	126.7	NUM
ajst-30243	5	22	db	db	PROPN
ajst-30243	5	23	@	@	ADP
ajst-30243	5	24	500	500	NUM
ajst-30243	5	25	hz	hz	NOUN
ajst-30243	5	26	,	,	PUNCT
ajst-30243	5	27	and	and	CCONJ
ajst-30243	5	28	a	a	DET
ajst-30243	5	29	signal	signal	NOUN
ajst-30243	5	30	-	-	PUNCT
ajst-30243	5	31	to	to	ADP
ajst-30243	5	32	-	-	PUNCT
ajst-30243	5	33	noise	noise	NOUN
ajst-30243	5	34	ratio	ratio	NOUN
ajst-30243	5	35	(	(	PUNCT
ajst-30243	5	36	snr	snr	PROPN
ajst-30243	5	37	)	)	PUNCT
ajst-30243	5	38	of	of	ADP
ajst-30243	5	39	131.53	131.53	NUM
ajst-30243	5	40	db	db	NOUN
ajst-30243	5	41	@	@	ADP
ajst-30243	5	42	500	500	NUM
ajst-30243	5	43	hz	hz	NOUN
ajst-30243	5	44	.	.	PUNCT
ajst-30243	6	1	additionally	additionally	ADV
ajst-30243	6	2	,	,	PUNCT
ajst-30243	6	3	a	a	DET
ajst-30243	6	4	high	high	ADJ
ajst-30243	6	5	-	-	PUNCT
ajst-30243	6	6	precision	precision	NOUN
ajst-30243	6	7	time	time	NOUN
ajst-30243	6	8	synchronization	synchronization	NOUN
ajst-30243	6	9	method	method	NOUN
ajst-30243	6	10	is	be	AUX
ajst-30243	6	11	proposed	propose	VERB
ajst-30243	6	12	,	,	PUNCT
ajst-30243	6	13	combining	combine	VERB
ajst-30243	6	14	timestamp	timestamp	NOUN
ajst-30243	6	15	indexing	indexing	NOUN
ajst-30243	6	16	and	and	CCONJ
ajst-30243	6	17	time	time	NOUN
ajst-30243	6	18	interpolation	interpolation	NOUN
ajst-30243	6	19	to	to	PART
ajst-30243	6	20	compensate	compensate	VERB
ajst-30243	6	21	for	for	ADP
ajst-30243	6	22	cumulative	cumulative	ADJ
ajst-30243	6	23	errors	error	NOUN
ajst-30243	6	24	caused	cause	VERB
ajst-30243	6	25	by	by	ADP
ajst-30243	6	26	adc	adc	PROPN
ajst-30243	6	27	clock	clock	NOUN
ajst-30243	6	28	crystal	crystal	NOUN
ajst-30243	6	29	drift	drift	NOUN
ajst-30243	6	30	.	.	PUNCT
ajst-30243	7	1	this	this	DET
ajst-30243	7	2	method	method	NOUN
ajst-30243	7	3	integrates	integrate	VERB
ajst-30243	7	4	a	a	DET
ajst-30243	7	5	high	high	ADJ
ajst-30243	7	6	-	-	PUNCT
ajst-30243	7	7	accuracy	accuracy	NOUN
ajst-30243	7	8	synchronization	synchronization	NOUN
ajst-30243	7	9	design	design	NOUN
ajst-30243	7	10	based	base	VERB
ajst-30243	7	11	on	on	ADP
ajst-30243	7	12	gps	gps	PROPN
ajst-30243	7	13	pulse	pulse	NOUN
ajst-30243	7	14	-	-	PUNCT
ajst-30243	7	15	per	per	ADP
ajst-30243	7	16	-	-	PUNCT
ajst-30243	7	17	second	second	NOUN
ajst-30243	7	18	(	(	PUNCT
ajst-30243	7	19	pps	pps	NOUN
ajst-30243	7	20	)	)	PUNCT
ajst-30243	7	21	interrupts	interrupt	VERB
ajst-30243	7	22	and	and	CCONJ
ajst-30243	7	23	gps	gps	VERB
ajst-30243	7	24	serial	serial	ADJ
ajst-30243	7	25	interrupts	interrupt	NOUN
ajst-30243	7	26	,	,	PUNCT
ajst-30243	7	27	achieving	achieve	VERB
ajst-30243	7	28	a	a	DET
ajst-30243	7	29	synchronization	synchronization	NOUN
ajst-30243	7	30	accuracy	accuracy	NOUN
ajst-30243	7	31	of	of	ADP
ajst-30243	7	32	0.688	0.688	NUM
ajst-30243	7	33	μs	μs	NOUN
ajst-30243	7	34	between	between	ADP
ajst-30243	7	35	nodes	node	NOUN
ajst-30243	7	36	.	.	PUNCT
ajst-30243	8	1	keywords	keyword	NOUN
ajst-30243	8	2	:	:	PUNCT
ajst-30243	8	3	microseismic	microseismic	ADJ
ajst-30243	8	4	acquisition	acquisition	NOUN
ajst-30243	8	5	system	system	NOUN
ajst-30243	8	6	,	,	PUNCT
ajst-30243	8	7	optimal	optimal	ADJ
ajst-30243	8	8	noise	noise	NOUN
ajst-30243	8	9	matching	matching	NOUN
ajst-30243	8	10	,	,	PUNCT
ajst-30243	8	11	gps	gps	PROPN
ajst-30243	8	12	,	,	PUNCT
ajst-30243	8	13	high	high	ADJ
ajst-30243	8	14	precision	precision	NOUN
ajst-30243	8	15	time	time	NOUN
ajst-30243	8	16	synchronization	synchronization	NOUN
ajst-30243	8	17	.	.	PUNCT
ajst-30243	9	1	1	1	X
ajst-30243	9	2	.	.	X
ajst-30243	9	3	introduction	introduction	NOUN
ajst-30243	9	4	the	the	DET
ajst-30243	9	5	increasing	increase	VERB
ajst-30243	9	6	number	number	NOUN
ajst-30243	9	7	of	of	ADP
ajst-30243	9	8	mineral	mineral	NOUN
ajst-30243	9	9	exploration	exploration	NOUN
ajst-30243	9	10	projects	project	NOUN
ajst-30243	9	11	in	in	ADP
ajst-30243	9	12	complex	complex	ADJ
ajst-30243	9	13	geological	geological	ADJ
ajst-30243	9	14	settings	setting	NOUN
ajst-30243	9	15	has	have	AUX
ajst-30243	9	16	not	not	PART
ajst-30243	9	17	only	only	ADV
ajst-30243	9	18	heightened	heighten	VERB
ajst-30243	9	19	the	the	DET
ajst-30243	9	20	challenges	challenge	NOUN
ajst-30243	9	21	associated	associate	VERB
ajst-30243	9	22	with	with	ADP
ajst-30243	9	23	conventional	conventional	ADJ
ajst-30243	9	24	wired	wire	VERB
ajst-30243	9	25	seismic	seismic	ADJ
ajst-30243	9	26	acquisition	acquisition	NOUN
ajst-30243	9	27	systems	system	NOUN
ajst-30243	9	28	but	but	CCONJ
ajst-30243	9	29	has	have	AUX
ajst-30243	9	30	also	also	ADV
ajst-30243	9	31	significantly	significantly	ADV
ajst-30243	9	32	escalated	escalate	VERB
ajst-30243	9	33	exploration	exploration	NOUN
ajst-30243	9	34	costs	cost	NOUN
ajst-30243	9	35	.	.	PUNCT
ajst-30243	10	1	compared	compare	VERB
ajst-30243	10	2	with	with	ADP
ajst-30243	10	3	traditional	traditional	ADJ
ajst-30243	10	4	wired	wire	VERB
ajst-30243	10	5	seismic	seismic	ADJ
ajst-30243	10	6	acquisition	acquisition	NOUN
ajst-30243	10	7	equipment	equipment	NOUN
ajst-30243	10	8	,	,	PUNCT
ajst-30243	10	9	shallow	shallow	ADV
ajst-30243	10	10	buried	bury	VERB
ajst-30243	10	11	microseismic	microseismic	ADJ
ajst-30243	10	12	monitoring	monitoring	NOUN
ajst-30243	10	13	systems	system	NOUN
ajst-30243	10	14	consisting	consist	VERB
ajst-30243	10	15	of	of	ADP
ajst-30243	10	16	multiple	multiple	ADJ
ajst-30243	10	17	node	node	ADJ
ajst-30243	10	18	geophones	geophone	NOUN
ajst-30243	10	19	offer	offer	VERB
ajst-30243	10	20	portability	portability	NOUN
ajst-30243	10	21	,	,	PUNCT
ajst-30243	10	22	ample	ample	ADJ
ajst-30243	10	23	signal	signal	NOUN
ajst-30243	10	24	storage	storage	NOUN
ajst-30243	10	25	space	space	NOUN
ajst-30243	10	26	,	,	PUNCT
ajst-30243	10	27	and	and	CCONJ
ajst-30243	10	28	sustained	sustain	VERB
ajst-30243	10	29	operating	operating	NOUN
ajst-30243	10	30	time	time	NOUN
ajst-30243	11	1	[	[	X
ajst-30243	11	2	1	1	NUM
ajst-30243	11	3	]	]	PUNCT
ajst-30243	11	4	.	.	PUNCT
ajst-30243	12	1	these	these	DET
ajst-30243	12	2	attributes	attribute	NOUN
ajst-30243	12	3	render	render	VERB
ajst-30243	12	4	them	they	PRON
ajst-30243	12	5	particularly	particularly	ADV
ajst-30243	12	6	well	well	ADV
ajst-30243	12	7	-	-	PUNCT
ajst-30243	12	8	suited	suit	VERB
ajst-30243	12	9	for	for	ADP
ajst-30243	12	10	active	active	ADJ
ajst-30243	12	11	-	-	PUNCT
ajst-30243	12	12	source	source	NOUN
ajst-30243	12	13	exploration	exploration	NOUN
ajst-30243	12	14	of	of	ADP
ajst-30243	12	15	energy	energy	NOUN
ajst-30243	12	16	and	and	CCONJ
ajst-30243	12	17	mineral	mineral	NOUN
ajst-30243	12	18	resources	resource	NOUN
ajst-30243	12	19	in	in	ADP
ajst-30243	12	20	rugged	rugged	ADJ
ajst-30243	12	21	terrains	terrain	NOUN
ajst-30243	12	22	,	,	PUNCT
ajst-30243	12	23	as	as	ADV
ajst-30243	12	24	well	well	ADV
ajst-30243	12	25	as	as	ADP
ajst-30243	12	26	for	for	ADP
ajst-30243	12	27	passivesource	passivesource	NOUN
ajst-30243	12	28	applications	application	NOUN
ajst-30243	12	29	,	,	PUNCT
ajst-30243	12	30	including	include	VERB
ajst-30243	12	31	geological	geological	ADJ
ajst-30243	12	32	hazard	hazard	NOUN
ajst-30243	12	33	monitoring	monitoring	NOUN
ajst-30243	12	34	and	and	CCONJ
ajst-30243	12	35	the	the	DET
ajst-30243	12	36	acquisition	acquisition	NOUN
ajst-30243	12	37	of	of	ADP
ajst-30243	12	38	natural	natural	ADJ
ajst-30243	12	39	microseismic	microseismic	ADJ
ajst-30243	12	40	data	datum	NOUN
ajst-30243	12	41	[	[	X
ajst-30243	12	42	2	2	NUM
ajst-30243	12	43	]	]	PUNCT
ajst-30243	12	44	.	.	PUNCT
ajst-30243	13	1	a	a	DET
ajst-30243	13	2	critical	critical	ADJ
ajst-30243	13	3	challenge	challenge	NOUN
ajst-30243	13	4	in	in	ADP
ajst-30243	13	5	applying	apply	VERB
ajst-30243	13	6	nodal	nodal	ADJ
ajst-30243	13	7	seismometers	seismometer	NOUN
ajst-30243	13	8	to	to	ADP
ajst-30243	13	9	active	active	ADJ
ajst-30243	13	10	-	-	PUNCT
ajst-30243	13	11	source	source	NOUN
ajst-30243	13	12	exploration	exploration	NOUN
ajst-30243	13	13	is	be	AUX
ajst-30243	13	14	to	to	PART
ajst-30243	13	15	improve	improve	VERB
ajst-30243	13	16	subsurface	subsurface	NOUN
ajst-30243	13	17	imaging	imaging	NOUN
ajst-30243	13	18	resolution	resolution	NOUN
ajst-30243	13	19	,	,	PUNCT
ajst-30243	13	20	and	and	CCONJ
ajst-30243	13	21	a	a	DET
ajst-30243	13	22	key	key	ADJ
ajst-30243	13	23	determinant	determinant	NOUN
ajst-30243	13	24	of	of	ADP
ajst-30243	13	25	deep	deep	ADJ
ajst-30243	13	26	seismic	seismic	ADJ
ajst-30243	13	27	imaging	imaging	NOUN
ajst-30243	13	28	resolution	resolution	NOUN
ajst-30243	13	29	is	be	AUX
ajst-30243	13	30	the	the	DET
ajst-30243	13	31	short	short	ADJ
ajst-30243	13	32	-	-	PUNCT
ajst-30243	13	33	circuit	circuit	NOUN
ajst-30243	13	34	noise	noise	NOUN
ajst-30243	13	35	level	level	NOUN
ajst-30243	13	36	of	of	ADP
ajst-30243	13	37	the	the	DET
ajst-30243	13	38	instrument	instrument	NOUN
ajst-30243	13	39	.	.	PUNCT
ajst-30243	14	1	representative	representative	ADJ
ajst-30243	14	2	cable	cable	NOUN
ajst-30243	14	3	-	-	PUNCT
ajst-30243	14	4	free	free	ADJ
ajst-30243	14	5	nodal	nodal	NOUN
ajst-30243	14	6	seismometers	seismometer	NOUN
ajst-30243	14	7	include	include	VERB
ajst-30243	14	8	the	the	DET
ajst-30243	14	9	cable	cable	NOUN
ajst-30243	14	10	-	-	PUNCT
ajst-30243	14	11	free	free	ADJ
ajst-30243	14	12	nodal	nodal	NOUN
ajst-30243	14	13	seismometer	seismometer	NOUN
ajst-30243	14	14	developed	develop	VERB
ajst-30243	14	15	by	by	ADP
ajst-30243	14	16	jilin	jilin	PROPN
ajst-30243	14	17	university	university	PROPN
ajst-30243	14	18	,	,	PUNCT
ajst-30243	14	19	the	the	DET
ajst-30243	14	20	quantum	quantum	ADJ
ajst-30243	14	21	system	system	NOUN
ajst-30243	14	22	of	of	ADP
ajst-30243	14	23	inova	inova	PROPN
ajst-30243	14	24	,	,	PUNCT
ajst-30243	14	25	and	and	CCONJ
ajst-30243	14	26	the	the	DET
ajst-30243	14	27	z	z	NOUN
ajst-30243	14	28	-	-	PUNCT
ajst-30243	14	29	land	land	NOUN
ajst-30243	14	30	system	system	NOUN
ajst-30243	14	31	of	of	ADP
ajst-30243	14	32	fairfield	fairfield	PROPN
ajst-30243	14	33	.	.	PUNCT
ajst-30243	15	1	nevertheless	nevertheless	ADV
ajst-30243	15	2	,	,	PUNCT
ajst-30243	15	3	these	these	DET
ajst-30243	15	4	nodal	nodal	ADJ
ajst-30243	15	5	seismometers	seismometer	NOUN
ajst-30243	15	6	are	be	AUX
ajst-30243	15	7	constrained	constrain	VERB
ajst-30243	15	8	by	by	ADP
ajst-30243	15	9	inherent	inherent	ADJ
ajst-30243	15	10	noise	noise	NOUN
ajst-30243	15	11	levels	level	NOUN
ajst-30243	15	12	,	,	PUNCT
ajst-30243	15	13	which	which	PRON
ajst-30243	15	14	significantly	significantly	ADV
ajst-30243	15	15	compromise	compromise	VERB
ajst-30243	15	16	the	the	DET
ajst-30243	15	17	imaging	imaging	NOUN
ajst-30243	15	18	resolution	resolution	NOUN
ajst-30243	15	19	of	of	ADP
ajst-30243	15	20	deep	deep	ADJ
ajst-30243	15	21	seismic	seismic	ADJ
ajst-30243	15	22	surveys	survey	NOUN
ajst-30243	15	23	.	.	PUNCT
ajst-30243	16	1	consequently	consequently	ADV
ajst-30243	16	2	,	,	PUNCT
ajst-30243	16	3	there	there	PRON
ajst-30243	16	4	is	be	VERB
ajst-30243	16	5	a	a	DET
ajst-30243	16	6	pressing	press	VERB
ajst-30243	16	7	imperative	imperative	NOUN
ajst-30243	16	8	to	to	PART
ajst-30243	16	9	advance	advance	VERB
ajst-30243	16	10	the	the	DET
ajst-30243	16	11	development	development	NOUN
ajst-30243	16	12	of	of	ADP
ajst-30243	16	13	shallow	shallow	ADV
ajst-30243	16	14	-	-	PUNCT
ajst-30243	16	15	buried	bury	VERB
ajst-30243	16	16	nodal	nodal	NOUN
ajst-30243	16	17	microseismic	microseismic	ADJ
ajst-30243	16	18	acquisition	acquisition	NOUN
ajst-30243	16	19	systems	system	NOUN
ajst-30243	16	20	that	that	PRON
ajst-30243	16	21	combine	combine	VERB
ajst-30243	16	22	portability	portability	NOUN
ajst-30243	16	23	with	with	ADP
ajst-30243	16	24	low	low	ADJ
ajst-30243	16	25	-	-	PUNCT
ajst-30243	16	26	noise	noise	NOUN
ajst-30243	16	27	characteristics	characteristic	NOUN
ajst-30243	16	28	,	,	PUNCT
ajst-30243	16	29	thereby	thereby	ADV
ajst-30243	16	30	enabling	enable	VERB
ajst-30243	16	31	the	the	DET
ajst-30243	16	32	effective	effective	ADJ
ajst-30243	16	33	detection	detection	NOUN
ajst-30243	16	34	of	of	ADP
ajst-30243	16	35	faint	faint	ADJ
ajst-30243	16	36	seismic	seismic	ADJ
ajst-30243	16	37	signals	signal	NOUN
ajst-30243	16	38	.	.	PUNCT
ajst-30243	17	1	the	the	DET
ajst-30243	17	2	geiwsr	geiwsr	PROPN
ajst-30243	17	3	seismometer	seismometer	NOUN
ajst-30243	17	4	from	from	ADP
ajst-30243	17	5	jilin	jilin	PROPN
ajst-30243	17	6	university	university	PROPN
ajst-30243	17	7	employs	employ	VERB
ajst-30243	17	8	a	a	DET
ajst-30243	17	9	high	high	ADJ
ajst-30243	17	10	-	-	PUNCT
ajst-30243	17	11	accuracy	accuracy	NOUN
ajst-30243	17	12	gps	gps	NOUN
ajst-30243	17	13	timing	timing	NOUN
ajst-30243	17	14	mechanism	mechanism	NOUN
ajst-30243	17	15	to	to	PART
ajst-30243	17	16	resolve	resolve	VERB
ajst-30243	17	17	synchronization	synchronization	NOUN
ajst-30243	17	18	discrepancies	discrepancy	NOUN
ajst-30243	17	19	across	across	ADP
ajst-30243	17	20	distributed	distribute	VERB
ajst-30243	17	21	sensor	sensor	NOUN
ajst-30243	17	22	networks	network	NOUN
ajst-30243	17	23	[	[	X
ajst-30243	17	24	3	3	NUM
ajst-30243	17	25	]	]	PUNCT
ajst-30243	17	26	.	.	PUNCT
ajst-30243	18	1	however	however	ADV
ajst-30243	18	2	,	,	PUNCT
ajst-30243	18	3	the	the	DET
ajst-30243	18	4	persistent	persistent	ADJ
ajst-30243	18	5	operation	operation	NOUN
ajst-30243	18	6	of	of	ADP
ajst-30243	18	7	its	its	PRON
ajst-30243	18	8	gps	gps	NOUN
ajst-30243	18	9	module	module	NOUN
ajst-30243	18	10	leads	lead	VERB
ajst-30243	18	11	to	to	ADP
ajst-30243	18	12	significant	significant	ADJ
ajst-30243	18	13	power	power	NOUN
ajst-30243	18	14	consumption	consumption	NOUN
ajst-30243	18	15	,	,	PUNCT
ajst-30243	18	16	limiting	limit	VERB
ajst-30243	18	17	its	its	PRON
ajst-30243	18	18	suitability	suitability	NOUN
ajst-30243	18	19	for	for	ADP
ajst-30243	18	20	extended	extended	ADJ
ajst-30243	18	21	use	use	NOUN
ajst-30243	18	22	.	.	PUNCT
ajst-30243	19	1	fairfield	fairfield	PROPN
ajst-30243	19	2	nodal	nodal	NOUN
ajst-30243	19	3	’s	’s	PART
ajst-30243	19	4	z	z	NOUN
ajst-30243	19	5	-	-	PUNCT
ajst-30243	19	6	land	land	NOUN
ajst-30243	19	7	system	system	NOUN
ajst-30243	19	8	integrates	integrate	VERB
ajst-30243	19	9	an	an	DET
ajst-30243	19	10	embedded	embed	VERB
ajst-30243	19	11	gps	gps	NOUN
ajst-30243	19	12	receiver	receiver	NOUN
ajst-30243	19	13	and	and	CCONJ
ajst-30243	19	14	a	a	DET
ajst-30243	19	15	local	local	ADJ
ajst-30243	19	16	clock	clock	NOUN
ajst-30243	19	17	for	for	ADP
ajst-30243	19	18	timestamping	timestampe	VERB
ajst-30243	19	19	seismic	seismic	ADJ
ajst-30243	19	20	data	datum	NOUN
ajst-30243	19	21	,	,	PUNCT
ajst-30243	19	22	yet	yet	CCONJ
ajst-30243	19	23	the	the	DET
ajst-30243	19	24	clock	clock	NOUN
ajst-30243	19	25	accumulates	accumulate	VERB
ajst-30243	19	26	substantial	substantial	ADJ
ajst-30243	19	27	temporal	temporal	ADJ
ajst-30243	19	28	errors	error	NOUN
ajst-30243	19	29	over	over	ADP
ajst-30243	19	30	time	time	NOUN
ajst-30243	19	31	,	,	PUNCT
ajst-30243	19	32	achieving	achieve	VERB
ajst-30243	19	33	a	a	DET
ajst-30243	19	34	precision	precision	NOUN
ajst-30243	19	35	of	of	ADP
ajst-30243	19	36	merely	merely	ADV
ajst-30243	19	37	100	100	NUM
ajst-30243	19	38	µs	µs	NOUN
ajst-30243	20	1	[	[	X
ajst-30243	20	2	4	4	NUM
ajst-30243	20	3	]	]	PUNCT
ajst-30243	20	4	.	.	PUNCT
ajst-30243	21	1	inova	inova	PROPN
ajst-30243	21	2	’s	’s	PART
ajst-30243	21	3	quantum	quantum	ADJ
ajst-30243	21	4	system	system	NOUN
ajst-30243	21	5	,	,	PUNCT
ajst-30243	21	6	while	while	SCONJ
ajst-30243	21	7	capable	capable	ADJ
ajst-30243	21	8	of	of	ADP
ajst-30243	21	9	operating	operate	VERB
ajst-30243	21	10	continuously	continuously	ADV
ajst-30243	21	11	for	for	ADP
ajst-30243	21	12	up	up	ADP
ajst-30243	21	13	to	to	PART
ajst-30243	21	14	50	50	NUM
ajst-30243	21	15	days	day	NOUN
ajst-30243	21	16	,	,	PUNCT
ajst-30243	21	17	is	be	AUX
ajst-30243	21	18	constrained	constrain	VERB
ajst-30243	21	19	by	by	ADP
ajst-30243	21	20	a	a	DET
ajst-30243	21	21	synchronization	synchronization	NOUN
ajst-30243	21	22	accuracy	accuracy	NOUN
ajst-30243	21	23	of	of	ADP
ajst-30243	21	24	around	around	ADV
ajst-30243	21	25	40	40	NUM
ajst-30243	21	26	µs	µs	NOUN
ajst-30243	21	27	[	[	X
ajst-30243	21	28	5	5	NUM
ajst-30243	21	29	]	]	PUNCT
ajst-30243	21	30	.	.	PUNCT
ajst-30243	22	1	most	most	ADJ
ajst-30243	22	2	modern	modern	ADJ
ajst-30243	22	3	nodal	nodal	NOUN
ajst-30243	22	4	seismometers	seismometer	NOUN
ajst-30243	22	5	depend	depend	VERB
ajst-30243	22	6	on	on	ADP
ajst-30243	22	7	internal	internal	ADJ
ajst-30243	22	8	clocks	clock	NOUN
ajst-30243	22	9	for	for	ADP
ajst-30243	22	10	timestamping	timestampe	VERB
ajst-30243	22	11	,	,	PUNCT
ajst-30243	22	12	where	where	SCONJ
ajst-30243	22	13	prolonged	prolonged	ADJ
ajst-30243	22	14	data	data	NOUN
ajst-30243	22	15	collection	collection	NOUN
ajst-30243	22	16	amplifies	amplify	VERB
ajst-30243	22	17	timing	time	VERB
ajst-30243	22	18	inaccuracies	inaccuracy	NOUN
ajst-30243	22	19	due	due	ADJ
ajst-30243	22	20	to	to	ADP
ajst-30243	22	21	oscillator	oscillator	NOUN
ajst-30243	22	22	frequency	frequency	NOUN
ajst-30243	22	23	drift	drift	NOUN
ajst-30243	22	24	.	.	PUNCT
ajst-30243	23	1	thus	thus	ADV
ajst-30243	23	2	,	,	PUNCT
ajst-30243	23	3	there	there	PRON
ajst-30243	23	4	is	be	VERB
ajst-30243	23	5	an	an	DET
ajst-30243	23	6	urgent	urgent	ADJ
ajst-30243	23	7	demand	demand	NOUN
ajst-30243	23	8	for	for	ADP
ajst-30243	23	9	a	a	DET
ajst-30243	23	10	high	high	ADJ
ajst-30243	23	11	-	-	PUNCT
ajst-30243	23	12	precision	precision	NOUN
ajst-30243	23	13	synchronization	synchronization	NOUN
ajst-30243	23	14	system	system	NOUN
ajst-30243	23	15	resilient	resilient	ADJ
ajst-30243	23	16	to	to	ADP
ajst-30243	23	17	variations	variation	NOUN
ajst-30243	23	18	in	in	ADP
ajst-30243	23	19	node	node	ADJ
ajst-30243	23	20	count	count	NOUN
ajst-30243	23	21	,	,	PUNCT
ajst-30243	23	22	spacing	spacing	NOUN
ajst-30243	23	23	,	,	PUNCT
ajst-30243	23	24	or	or	CCONJ
ajst-30243	23	25	survey	survey	NOUN
ajst-30243	23	26	duration	duration	NOUN
ajst-30243	23	27	.	.	PUNCT
ajst-30243	24	1	to	to	PART
ajst-30243	24	2	tackle	tackle	VERB
ajst-30243	24	3	these	these	DET
ajst-30243	24	4	challenges	challenge	NOUN
ajst-30243	24	5	,	,	PUNCT
ajst-30243	24	6	this	this	DET
ajst-30243	24	7	study	study	NOUN
ajst-30243	24	8	centers	center	VERB
ajst-30243	24	9	on	on	ADP
ajst-30243	24	10	advancing	advance	VERB
ajst-30243	24	11	low	low	ADJ
ajst-30243	24	12	-	-	PUNCT
ajst-30243	24	13	noise	noise	NOUN
ajst-30243	24	14	acquisition	acquisition	NOUN
ajst-30243	24	15	and	and	CCONJ
ajst-30243	24	16	high	high	ADJ
ajst-30243	24	17	-	-	PUNCT
ajst-30243	24	18	precision	precision	NOUN
ajst-30243	24	19	time	time	NOUN
ajst-30243	24	20	synchronization	synchronization	NOUN
ajst-30243	24	21	methodologies	methodology	NOUN
ajst-30243	24	22	for	for	ADP
ajst-30243	24	23	shallow	shallow	ADV
ajst-30243	24	24	-	-	PUNCT
ajst-30243	24	25	buried	bury	VERB
ajst-30243	24	26	microseismic	microseismic	ADJ
ajst-30243	24	27	monitoring	monitoring	NOUN
ajst-30243	24	28	systems	system	NOUN
ajst-30243	24	29	.	.	PUNCT
ajst-30243	25	1	through	through	ADP
ajst-30243	25	2	a	a	DET
ajst-30243	25	3	detailed	detailed	ADJ
ajst-30243	25	4	analysis	analysis	NOUN
ajst-30243	25	5	of	of	ADP
ajst-30243	25	6	instrument	instrument	NOUN
ajst-30243	25	7	noise	noise	NOUN
ajst-30243	25	8	impacts	impact	NOUN
ajst-30243	25	9	,	,	PUNCT
ajst-30243	25	10	we	we	PRON
ajst-30243	25	11	have	have	AUX
ajst-30243	25	12	optimized	optimize	VERB
ajst-30243	25	13	the	the	DET
ajst-30243	25	14	system	system	NOUN
ajst-30243	25	15	's	's	PART
ajst-30243	25	16	noise	noise	NOUN
ajst-30243	25	17	performance	performance	NOUN
ajst-30243	25	18	and	and	CCONJ
ajst-30243	25	19	engineered	engineer	VERB
ajst-30243	25	20	a	a	DET
ajst-30243	25	21	standardized	standardized	ADJ
ajst-30243	25	22	,	,	PUNCT
ajst-30243	25	23	portable	portable	ADJ
ajst-30243	25	24	,	,	PUNCT
ajst-30243	25	25	and	and	CCONJ
ajst-30243	25	26	low	low	ADJ
ajst-30243	25	27	-	-	PUNCT
ajst-30243	25	28	noise	noise	NOUN
ajst-30243	25	29	nodal	nodal	NOUN
ajst-30243	25	30	acquisition	acquisition	NOUN
ajst-30243	25	31	system	system	NOUN
ajst-30243	25	32	.	.	PUNCT
ajst-30243	26	1	furthermore	furthermore	ADV
ajst-30243	26	2	,	,	PUNCT
ajst-30243	26	3	leveraging	leverage	VERB
ajst-30243	26	4	the	the	DET
ajst-30243	26	5	hardware	hardware	NOUN
ajst-30243	26	6	architecture	architecture	NOUN
ajst-30243	26	7	of	of	ADP
ajst-30243	26	8	the	the	DET
ajst-30243	26	9	acquisition	acquisition	NOUN
ajst-30243	26	10	system	system	NOUN
ajst-30243	26	11	,	,	PUNCT
ajst-30243	26	12	we	we	PRON
ajst-30243	26	13	conducted	conduct	VERB
ajst-30243	26	14	a	a	DET
ajst-30243	26	15	comprehensive	comprehensive	ADJ
ajst-30243	26	16	evaluation	evaluation	NOUN
ajst-30243	26	17	of	of	ADP
ajst-30243	26	18	time	time	NOUN
ajst-30243	26	19	synchronization	synchronization	NOUN
ajst-30243	26	20	precision	precision	NOUN
ajst-30243	26	21	and	and	CCONJ
ajst-30243	26	22	introduced	introduce	VERB
ajst-30243	26	23	a	a	DET
ajst-30243	26	24	novel	novel	ADJ
ajst-30243	26	25	multi	multi	ADJ
ajst-30243	26	26	-	-	ADJ
ajst-30243	26	27	node	node	ADJ
ajst-30243	26	28	,	,	PUNCT
ajst-30243	26	29	high	high	ADJ
ajst-30243	26	30	-	-	PUNCT
ajst-30243	26	31	latency	latency	NOUN
ajst-30243	26	32	synchronization	synchronization	NOUN
ajst-30243	26	33	scheme	scheme	NOUN
ajst-30243	26	34	.	.	PUNCT
ajst-30243	27	1	this	this	DET
ajst-30243	27	2	innovative	innovative	ADJ
ajst-30243	27	3	approach	approach	NOUN
ajst-30243	27	4	ensures	ensure	VERB
ajst-30243	27	5	that	that	SCONJ
ajst-30243	27	6	seismic	seismic	ADJ
ajst-30243	27	7	data	datum	NOUN
ajst-30243	27	8	synchronization	synchronization	NOUN
ajst-30243	27	9	across	across	ADP
ajst-30243	27	10	acquisition	acquisition	NOUN
ajst-30243	27	11	nodes	node	NOUN
ajst-30243	27	12	remains	remain	VERB
ajst-30243	27	13	unaffected	unaffected	ADJ
ajst-30243	27	14	by	by	ADP
ajst-30243	27	15	variations	variation	NOUN
ajst-30243	27	16	in	in	ADP
ajst-30243	27	17	the	the	DET
ajst-30243	27	18	number	number	NOUN
ajst-30243	27	19	of	of	ADP
ajst-30243	27	20	nodes	node	NOUN
ajst-30243	27	21	or	or	CCONJ
ajst-30243	27	22	the	the	DET
ajst-30243	27	23	duration	duration	NOUN
ajst-30243	27	24	of	of	ADP
ajst-30243	27	25	exploration	exploration	NOUN
ajst-30243	27	26	.	.	PUNCT
ajst-30243	28	1	407	407	NUM
ajst-30243	28	2	2	2	NUM
ajst-30243	28	3	.	.	PUNCT
ajst-30243	28	4	development	development	NOUN
ajst-30243	28	5	of	of	ADP
ajst-30243	28	6	low	low	ADJ
ajst-30243	28	7	-	-	PUNCT
ajst-30243	28	8	noise	noise	NOUN
ajst-30243	28	9	data	data	NOUN
ajst-30243	28	10	acquisition	acquisition	NOUN
ajst-30243	28	11	technology	technology	NOUN
ajst-30243	28	12	a.	a.	NOUN
ajst-30243	28	13	performance	performance	NOUN
ajst-30243	28	14	requirements	requirement	NOUN
ajst-30243	28	15	for	for	ADP
ajst-30243	28	16	low	low	ADJ
ajst-30243	28	17	-	-	PUNCT
ajst-30243	28	18	noise	noise	NOUN
ajst-30243	28	19	acquisition	acquisition	NOUN
ajst-30243	28	20	seismic	seismic	ADJ
ajst-30243	28	21	signals	signal	NOUN
ajst-30243	28	22	of	of	ADP
ajst-30243	28	23	interest	interest	NOUN
ajst-30243	28	24	are	be	AUX
ajst-30243	28	25	frequently	frequently	ADV
ajst-30243	28	26	obscured	obscure	VERB
ajst-30243	28	27	by	by	ADP
ajst-30243	28	28	noise	noise	NOUN
ajst-30243	28	29	due	due	ADP
ajst-30243	28	30	to	to	ADP
ajst-30243	28	31	their	their	PRON
ajst-30243	28	32	inherently	inherently	ADV
ajst-30243	28	33	low	low	ADJ
ajst-30243	28	34	amplitude	amplitude	NOUN
ajst-30243	28	35	.	.	PUNCT
ajst-30243	29	1	consequently	consequently	ADV
ajst-30243	29	2	,	,	PUNCT
ajst-30243	29	3	achieving	achieve	VERB
ajst-30243	29	4	high	high	ADJ
ajst-30243	29	5	acquisition	acquisition	NOUN
ajst-30243	29	6	precision	precision	NOUN
ajst-30243	29	7	is	be	AUX
ajst-30243	29	8	critical	critical	ADJ
ajst-30243	29	9	for	for	ADP
ajst-30243	29	10	nodal	nodal	ADJ
ajst-30243	29	11	seismometers	seismometer	NOUN
ajst-30243	29	12	.	.	PUNCT
ajst-30243	30	1	the	the	DET
ajst-30243	30	2	accuracy	accuracy	NOUN
ajst-30243	30	3	of	of	ADP
ajst-30243	30	4	seismic	seismic	ADJ
ajst-30243	30	5	signal	signal	NOUN
ajst-30243	30	6	acquisition	acquisition	NOUN
ajst-30243	30	7	is	be	AUX
ajst-30243	30	8	primarily	primarily	ADV
ajst-30243	30	9	determined	determine	VERB
ajst-30243	30	10	by	by	ADP
ajst-30243	30	11	two	two	NUM
ajst-30243	30	12	key	key	ADJ
ajst-30243	30	13	parameters	parameter	NOUN
ajst-30243	30	14	:	:	PUNCT
ajst-30243	30	15	equivalent	equivalent	ADJ
ajst-30243	30	16	input	input	NOUN
ajst-30243	30	17	noise	noise	NOUN
ajst-30243	30	18	and	and	CCONJ
ajst-30243	30	19	the	the	DET
ajst-30243	30	20	signal	signal	NOUN
ajst-30243	30	21	-	-	PUNCT
ajst-30243	30	22	to	to	ADP
ajst-30243	30	23	-	-	PUNCT
ajst-30243	30	24	noise	noise	NOUN
ajst-30243	30	25	ratio	ratio	NOUN
ajst-30243	30	26	.	.	PUNCT
ajst-30243	31	1	as	as	SCONJ
ajst-30243	31	2	outlined	outline	VERB
ajst-30243	31	3	by	by	ADP
ajst-30243	31	4	the	the	DET
ajst-30243	31	5	gutenberg	gutenberg	PROPN
ajst-30243	31	6	magnitude	magnitude	NOUN
ajst-30243	31	7	theory	theory	NOUN
ajst-30243	31	8	,	,	PUNCT
ajst-30243	31	9	the	the	DET
ajst-30243	31	10	reliable	reliable	ADJ
ajst-30243	31	11	detection	detection	NOUN
ajst-30243	31	12	of	of	ADP
ajst-30243	31	13	seismic	seismic	ADJ
ajst-30243	31	14	events	event	NOUN
ajst-30243	31	15	necessitates	necessitate	VERB
ajst-30243	31	16	adherence	adherence	NOUN
ajst-30243	31	17	to	to	ADP
ajst-30243	31	18	specific	specific	ADJ
ajst-30243	31	19	conditions	condition	NOUN
ajst-30243	31	20	[	[	X
ajst-30243	31	21	6	6	NUM
ajst-30243	31	22	]	]	PUNCT
ajst-30243	31	23	.	.	PUNCT
ajst-30243	32	1	𝐶	𝐶	PROPN
ajst-30243	32	2	1	1	NUM
ajst-30243	32	3	𝑆	𝑆	PROPN
ajst-30243	32	4	𝑃	𝑃	NOUN
ajst-30243	32	5	/𝑇	/𝑇	X
ajst-30243	32	6	3	3	NUM
ajst-30243	32	7	(	(	PUNCT
ajst-30243	32	8	1	1	NUM
ajst-30243	32	9	)	)	PUNCT
ajst-30243	32	10	in	in	ADP
ajst-30243	32	11	eq.1	eq.1	NUM
ajst-30243	32	12	,	,	PUNCT
ajst-30243	32	13	s	s	VERB
ajst-30243	32	14	represents	represent	VERB
ajst-30243	32	15	the	the	DET
ajst-30243	32	16	intrinsic	intrinsic	ADJ
ajst-30243	32	17	noise	noise	NOUN
ajst-30243	32	18	level	level	NOUN
ajst-30243	32	19	of	of	ADP
ajst-30243	32	20	the	the	DET
ajst-30243	32	21	instrument	instrument	NOUN
ajst-30243	32	22	,	,	PUNCT
ajst-30243	32	23	c	c	PROPN
ajst-30243	32	24	denotes	denote	VERB
ajst-30243	32	25	the	the	DET
ajst-30243	32	26	sampling	sampling	NOUN
ajst-30243	32	27	rate	rate	NOUN
ajst-30243	32	28	,	,	PUNCT
ajst-30243	32	29	t	t	PROPN
ajst-30243	32	30	corresponds	correspond	VERB
ajst-30243	32	31	to	to	ADP
ajst-30243	32	32	the	the	DET
ajst-30243	32	33	maximum	maximum	ADJ
ajst-30243	32	34	frequency	frequency	NOUN
ajst-30243	32	35	of	of	ADP
ajst-30243	32	36	the	the	DET
ajst-30243	32	37	acquired	acquire	VERB
ajst-30243	32	38	signal	signal	NOUN
ajst-30243	32	39	,	,	PUNCT
ajst-30243	32	40	and	and	CCONJ
ajst-30243	32	41	p	p	NOUN
ajst-30243	32	42	signifies	signify	VERB
ajst-30243	32	43	the	the	DET
ajst-30243	32	44	voltage	voltage	NOUN
ajst-30243	32	45	amplitude	amplitude	NOUN
ajst-30243	32	46	derived	derive	VERB
ajst-30243	32	47	from	from	ADP
ajst-30243	32	48	the	the	DET
ajst-30243	32	49	measured	measure	VERB
ajst-30243	32	50	microseismic	microseismic	ADJ
ajst-30243	32	51	signal	signal	NOUN
ajst-30243	32	52	.	.	PUNCT
ajst-30243	33	1	from	from	ADP
ajst-30243	33	2	eq.1	eq.1	NOUN
ajst-30243	33	3	,	,	PUNCT
ajst-30243	33	4	it	it	PRON
ajst-30243	33	5	is	be	AUX
ajst-30243	33	6	evident	evident	ADJ
ajst-30243	33	7	that	that	SCONJ
ajst-30243	33	8	enhancing	enhance	VERB
ajst-30243	33	9	the	the	DET
ajst-30243	33	10	instrument	instrument	NOUN
ajst-30243	33	11	's	's	PART
ajst-30243	33	12	noise	noise	NOUN
ajst-30243	33	13	performance	performance	NOUN
ajst-30243	33	14	can	can	AUX
ajst-30243	33	15	be	be	AUX
ajst-30243	33	16	achieved	achieve	VERB
ajst-30243	33	17	by	by	ADP
ajst-30243	33	18	minimizing	minimize	VERB
ajst-30243	33	19	the	the	DET
ajst-30243	33	20	input	input	NOUN
ajst-30243	33	21	noise	noise	NOUN
ajst-30243	33	22	level	level	NOUN
ajst-30243	33	23	at	at	ADP
ajst-30243	33	24	the	the	DET
ajst-30243	33	25	front	front	ADJ
ajst-30243	33	26	end	end	NOUN
ajst-30243	33	27	and	and	CCONJ
ajst-30243	33	28	increasing	increase	VERB
ajst-30243	33	29	the	the	DET
ajst-30243	33	30	sampling	sample	VERB
ajst-30243	33	31	rate	rate	NOUN
ajst-30243	33	32	.	.	PUNCT
ajst-30243	34	1	the	the	DET
ajst-30243	34	2	resolution	resolution	NOUN
ajst-30243	34	3	of	of	ADP
ajst-30243	34	4	the	the	DET
ajst-30243	34	5	signal	signal	NOUN
ajst-30243	34	6	is	be	AUX
ajst-30243	34	7	the	the	DET
ajst-30243	34	8	smallest	small	ADJ
ajst-30243	34	9	scale	scale	NOUN
ajst-30243	34	10	of	of	ADP
ajst-30243	34	11	the	the	DET
ajst-30243	34	12	adc	adc	NOUN
ajst-30243	34	13	and	and	CCONJ
ajst-30243	34	14	is	be	AUX
ajst-30243	34	15	determined	determine	VERB
ajst-30243	34	16	by	by	ADP
ajst-30243	34	17	the	the	DET
ajst-30243	34	18	number	number	NOUN
ajst-30243	34	19	of	of	ADP
ajst-30243	34	20	bits	bit	NOUN
ajst-30243	34	21	of	of	ADP
ajst-30243	34	22	the	the	DET
ajst-30243	34	23	adc	adc	PROPN
ajst-30243	34	24	.	.	PUNCT
ajst-30243	35	1	in	in	ADP
ajst-30243	35	2	contrast	contrast	NOUN
ajst-30243	35	3	,	,	PUNCT
ajst-30243	35	4	the	the	DET
ajst-30243	35	5	signal	signal	NOUN
ajst-30243	35	6	-	-	PUNCT
ajst-30243	35	7	to	to	ADP
ajst-30243	35	8	-	-	PUNCT
ajst-30243	35	9	noise	noise	NOUN
ajst-30243	35	10	ratio	ratio	NOUN
ajst-30243	35	11	(	(	PUNCT
ajst-30243	35	12	snr	snr	NOUN
ajst-30243	35	13	)	)	PUNCT
ajst-30243	35	14	incorporates	incorporate	VERB
ajst-30243	35	15	multiple	multiple	ADJ
ajst-30243	35	16	error	error	NOUN
ajst-30243	35	17	sources	source	NOUN
ajst-30243	35	18	superimposed	superimpose	VERB
ajst-30243	35	19	on	on	ADP
ajst-30243	35	20	the	the	DET
ajst-30243	35	21	resolution	resolution	NOUN
ajst-30243	35	22	,	,	PUNCT
ajst-30243	35	23	directly	directly	ADV
ajst-30243	35	24	influencing	influence	VERB
ajst-30243	35	25	the	the	DET
ajst-30243	35	26	precision	precision	NOUN
ajst-30243	35	27	of	of	ADP
ajst-30243	35	28	the	the	DET
ajst-30243	35	29	data	datum	NOUN
ajst-30243	35	30	acquired	acquire	VERB
ajst-30243	35	31	by	by	ADP
ajst-30243	35	32	the	the	DET
ajst-30243	35	33	adc	adc	PROPN
ajst-30243	35	34	.	.	PUNCT
ajst-30243	36	1	currently	currently	ADV
ajst-30243	36	2	,	,	PUNCT
ajst-30243	36	3	δ	δ	PROPN
ajst-30243	36	4	-	-	PUNCT
ajst-30243	36	5	sigma	sigma	PROPN
ajst-30243	36	6	(	(	PUNCT
ajst-30243	36	7	delta	delta	NOUN
ajst-30243	36	8	-	-	PUNCT
ajst-30243	36	9	sigma	sigma	PROPN
ajst-30243	36	10	)	)	PUNCT
ajst-30243	36	11	adcs	adc	NOUN
ajst-30243	36	12	represent	represent	VERB
ajst-30243	36	13	the	the	DET
ajst-30243	36	14	predominant	predominant	ADJ
ajst-30243	36	15	analog	analog	NOUN
ajst-30243	36	16	-	-	PUNCT
ajst-30243	36	17	to	to	ADP
ajst-30243	36	18	-	-	PUNCT
ajst-30243	36	19	digital	digital	ADJ
ajst-30243	36	20	conversion	conversion	NOUN
ajst-30243	36	21	technology	technology	NOUN
ajst-30243	36	22	extensively	extensively	ADV
ajst-30243	36	23	employed	employ	VERB
ajst-30243	36	24	in	in	ADP
ajst-30243	36	25	microseismic	microseismic	ADJ
ajst-30243	36	26	acquisition	acquisition	NOUN
ajst-30243	36	27	systems	system	NOUN
ajst-30243	36	28	.	.	PUNCT
ajst-30243	37	1	to	to	PART
ajst-30243	37	2	reliably	reliably	ADV
ajst-30243	37	3	detect	detect	VERB
ajst-30243	37	4	signals	signal	NOUN
ajst-30243	37	5	as	as	ADV
ajst-30243	37	6	faint	faint	ADJ
ajst-30243	37	7	as	as	ADP
ajst-30243	37	8	1.5	1.5	NUM
ajst-30243	37	9	µv	µv	NOUN
ajst-30243	37	10	,	,	PUNCT
ajst-30243	37	11	the	the	DET
ajst-30243	37	12	effective	effective	ADJ
ajst-30243	37	13	number	number	NOUN
ajst-30243	37	14	of	of	ADP
ajst-30243	37	15	bits	bit	NOUN
ajst-30243	37	16	(	(	PUNCT
ajst-30243	37	17	enob	enob	NOUN
ajst-30243	37	18	)	)	PUNCT
ajst-30243	37	19	and	and	CCONJ
ajst-30243	37	20	the	the	DET
ajst-30243	37	21	signal	signal	NOUN
ajst-30243	37	22	-	-	PUNCT
ajst-30243	37	23	to	to	ADP
ajst-30243	37	24	-	-	PUNCT
ajst-30243	37	25	noise	noise	NOUN
ajst-30243	37	26	ratio	ratio	NOUN
ajst-30243	37	27	(	(	PUNCT
ajst-30243	37	28	snr	snr	PROPN
ajst-30243	37	29	)	)	PUNCT
ajst-30243	37	30	of	of	ADP
ajst-30243	37	31	the	the	DET
ajst-30243	37	32	adc	adc	PROPN
ajst-30243	37	33	can	can	AUX
ajst-30243	37	34	be	be	AUX
ajst-30243	37	35	expressed	express	VERB
ajst-30243	37	36	as	as	SCONJ
ajst-30243	37	37	follows	follow	VERB
ajst-30243	37	38	[	[	X
ajst-30243	37	39	7	7	NUM
ajst-30243	37	40	]	]	PUNCT
ajst-30243	37	41	:	:	PUNCT
ajst-30243	37	42	𝐸𝑁𝑂𝐵	𝐸𝑁𝑂𝐵	PROPN
ajst-30243	37	43	𝑙𝑜𝑔	𝑙𝑜𝑔	VERB
ajst-30243	37	44	𝑉	𝑉	PROPN
ajst-30243	37	45	𝑉	𝑉	PROPN
ajst-30243	37	46	𝑙𝑜𝑔	𝑙𝑜𝑔	NOUN
ajst-30243	37	47	𝑉	𝑉	PROPN
ajst-30243	37	48	1.5𝜇𝑉	1.5𝜇𝑉	NUM
ajst-30243	37	49	(	(	PUNCT
ajst-30243	37	50	2	2	NUM
ajst-30243	37	51	)	)	PUNCT
ajst-30243	37	52	𝑆𝑁𝑅	𝑆𝑁𝑅	PROPN
ajst-30243	37	53	6.02	6.02	NUM
ajst-30243	37	54	𝐸𝑁𝑂𝐵	𝐸𝑁𝑂𝐵	PROPN
ajst-30243	37	55	1.76	1.76	NUM
ajst-30243	37	56	10𝑙𝑔	10𝑙𝑔	NOUN
ajst-30243	37	57	𝑓	𝑓	PRON
ajst-30243	37	58	2𝐵𝑊	2𝐵𝑊	NUM
ajst-30243	37	59	(	(	PUNCT
ajst-30243	37	60	3	3	NUM
ajst-30243	37	61	)	)	PUNCT
ajst-30243	37	62	where	where	SCONJ
ajst-30243	37	63	n	n	PRON
ajst-30243	37	64	represents	represent	VERB
ajst-30243	37	65	the	the	DET
ajst-30243	37	66	quantization	quantization	NOUN
ajst-30243	37	67	bit	bit	NOUN
ajst-30243	37	68	depth	depth	NOUN
ajst-30243	37	69	,	,	PUNCT
ajst-30243	37	70	fₓ	fₓ	NOUN
ajst-30243	37	71	signifies	signify	VERB
ajst-30243	37	72	the	the	DET
ajst-30243	37	73	modulator	modulator	NOUN
ajst-30243	37	74	operating	operating	NOUN
ajst-30243	37	75	frequency	frequency	NOUN
ajst-30243	37	76	,	,	PUNCT
ajst-30243	37	77	and	and	CCONJ
ajst-30243	37	78	bw	bw	NOUN
ajst-30243	37	79	corresponds	correspond	NOUN
ajst-30243	37	80	to	to	ADP
ajst-30243	37	81	the	the	DET
ajst-30243	37	82	bandwidth	bandwidth	NOUN
ajst-30243	37	83	of	of	ADP
ajst-30243	37	84	the	the	DET
ajst-30243	37	85	effective	effective	ADJ
ajst-30243	37	86	signal	signal	NOUN
ajst-30243	37	87	.	.	PUNCT
ajst-30243	38	1	for	for	ADP
ajst-30243	38	2	a	a	DET
ajst-30243	38	3	peak	peak	NOUN
ajst-30243	38	4	signal	signal	NOUN
ajst-30243	38	5	amplitude	amplitude	NOUN
ajst-30243	38	6	of	of	ADP
ajst-30243	38	7	2.5	2.5	NUM
ajst-30243	38	8	v	v	NOUN
ajst-30243	38	9	,	,	PUNCT
ajst-30243	38	10	the	the	DET
ajst-30243	38	11	adc	adc	PROPN
ajst-30243	38	12	must	must	AUX
ajst-30243	38	13	achieve	achieve	VERB
ajst-30243	38	14	a	a	DET
ajst-30243	38	15	minimum	minimum	ADJ
ajst-30243	38	16	effective	effective	ADJ
ajst-30243	38	17	resolution	resolution	NOUN
ajst-30243	38	18	of	of	ADP
ajst-30243	38	19	20.65	20.65	NUM
ajst-30243	38	20	bits	bit	NOUN
ajst-30243	38	21	,	,	PUNCT
ajst-30243	38	22	equivalent	equivalent	ADJ
ajst-30243	38	23	to	to	ADP
ajst-30243	38	24	an	an	DET
ajst-30243	38	25	snr	snr	NOUN
ajst-30243	38	26	of	of	ADP
ajst-30243	38	27	no	no	DET
ajst-30243	38	28	less	less	ADJ
ajst-30243	38	29	than	than	ADP
ajst-30243	38	30	127.98	127.98	NUM
ajst-30243	38	31	db	db	NOUN
ajst-30243	38	32	,	,	PUNCT
ajst-30243	38	33	to	to	PART
ajst-30243	38	34	reliably	reliably	ADV
ajst-30243	38	35	capture	capture	VERB
ajst-30243	38	36	high	high	ADJ
ajst-30243	38	37	-	-	PUNCT
ajst-30243	38	38	resolution	resolution	NOUN
ajst-30243	38	39	weak	weak	ADJ
ajst-30243	38	40	seismic	seismic	ADJ
ajst-30243	38	41	signals	signal	NOUN
ajst-30243	38	42	.	.	PUNCT
ajst-30243	39	1	among	among	ADP
ajst-30243	39	2	existing	exist	VERB
ajst-30243	39	3	δ	δ	PROPN
ajst-30243	39	4	-	-	PUNCT
ajst-30243	39	5	sigma	sigma	VERB
ajst-30243	39	6	ad	ad	NOUN
ajst-30243	39	7	converters	converter	NOUN
ajst-30243	39	8	,	,	PUNCT
ajst-30243	39	9	the	the	DET
ajst-30243	39	10	ads1282	ads1282	PROPN
ajst-30243	39	11	achieves	achieve	VERB
ajst-30243	39	12	a	a	DET
ajst-30243	39	13	dynamic	dynamic	ADJ
ajst-30243	39	14	range	range	NOUN
ajst-30243	39	15	of	of	ADP
ajst-30243	39	16	up	up	ADP
ajst-30243	39	17	to	to	PART
ajst-30243	39	18	130	130	NUM
ajst-30243	39	19	db	db	NOUN
ajst-30243	39	20	at	at	ADP
ajst-30243	39	21	250	250	NUM
ajst-30243	39	22	hz	hz	VERB
ajst-30243	39	23	,	,	PUNCT
ajst-30243	39	24	with	with	ADP
ajst-30243	39	25	a	a	DET
ajst-30243	39	26	maximum	maximum	ADJ
ajst-30243	39	27	sampling	sampling	NOUN
ajst-30243	39	28	rate	rate	NOUN
ajst-30243	39	29	of	of	ADP
ajst-30243	39	30	4	4	NUM
ajst-30243	39	31	khz	khz	NOUN
ajst-30243	39	32	,	,	PUNCT
ajst-30243	39	33	enabling	enable	VERB
ajst-30243	39	34	effective	effective	ADJ
ajst-30243	39	35	detection	detection	NOUN
ajst-30243	39	36	of	of	ADP
ajst-30243	39	37	120	120	NUM
ajst-30243	39	38	hz	hz	VERB
ajst-30243	39	39	seismic	seismic	ADJ
ajst-30243	39	40	signals	signal	NOUN
ajst-30243	39	41	.	.	PUNCT
ajst-30243	40	1	thus	thus	ADV
ajst-30243	40	2	,	,	PUNCT
ajst-30243	40	3	this	this	DET
ajst-30243	40	4	study	study	NOUN
ajst-30243	40	5	utilizes	utilize	VERB
ajst-30243	40	6	the	the	DET
ajst-30243	40	7	32	32	NUM
ajst-30243	40	8	-	-	PUNCT
ajst-30243	40	9	bit	bit	NOUN
ajst-30243	40	10	δ	δ	PROPN
ajst-30243	40	11	-	-	PUNCT
ajst-30243	40	12	sigma	sigma	PROPN
ajst-30243	40	13	adc	adc	PROPN
ajst-30243	40	14	ads1282	ads1282	PROPN
ajst-30243	40	15	in	in	ADP
ajst-30243	40	16	its	its	PRON
ajst-30243	40	17	acquisition	acquisition	NOUN
ajst-30243	40	18	system	system	NOUN
ajst-30243	40	19	.	.	PUNCT
ajst-30243	41	1	b.	b.	PROPN
ajst-30243	41	2	design	design	NOUN
ajst-30243	41	3	and	and	CCONJ
ajst-30243	41	4	analysis	analysis	NOUN
ajst-30243	41	5	of	of	ADP
ajst-30243	41	6	low	low	ADJ
ajst-30243	41	7	-	-	PUNCT
ajst-30243	41	8	noise	noise	NOUN
ajst-30243	41	9	analog	analog	NOUN
ajst-30243	41	10	signal	signal	NOUN
ajst-30243	41	11	conditioning	conditioning	NOUN
ajst-30243	41	12	circuits	circuit	NOUN
ajst-30243	41	13	figure	figure	VERB
ajst-30243	41	14	1	1	NUM
ajst-30243	41	15	.	.	PUNCT
ajst-30243	42	1	𝐸	𝐸	PROPN
ajst-30243	42	2	-𝐼	-𝐼	NOUN
ajst-30243	42	3	equivalent	equivalent	ADJ
ajst-30243	42	4	circuit	circuit	NOUN
ajst-30243	42	5	for	for	ADP
ajst-30243	42	6	acquisition	acquisition	NOUN
ajst-30243	42	7	systems	system	NOUN
ajst-30243	42	8	.	.	PUNCT
ajst-30243	43	1	the	the	DET
ajst-30243	43	2	intrinsic	intrinsic	ADJ
ajst-30243	43	3	noise	noise	NOUN
ajst-30243	43	4	of	of	ADP
ajst-30243	43	5	the	the	DET
ajst-30243	43	6	analog	analog	NOUN
ajst-30243	43	7	channel	channel	NOUN
ajst-30243	43	8	is	be	AUX
ajst-30243	43	9	minimized	minimize	VERB
ajst-30243	43	10	by	by	ADP
ajst-30243	43	11	modeling	model	VERB
ajst-30243	43	12	the	the	DET
ajst-30243	43	13	𝐸	𝐸	PROPN
ajst-30243	43	14	𝐼	𝐼	ADP
ajst-30243	43	15	equivalent	equivalent	ADJ
ajst-30243	43	16	input	input	NOUN
ajst-30243	43	17	noise	noise	NOUN
ajst-30243	43	18	of	of	ADP
ajst-30243	43	19	the	the	DET
ajst-30243	43	20	active	active	ADJ
ajst-30243	43	21	device	device	NOUN
ajst-30243	43	22	,	,	PUNCT
ajst-30243	43	23	as	as	SCONJ
ajst-30243	43	24	illustrated	illustrate	VERB
ajst-30243	43	25	in	in	ADP
ajst-30243	43	26	fig	fig	NOUN
ajst-30243	43	27	.	.	PUNCT
ajst-30243	44	1	1	1	X
ajst-30243	44	2	.	.	X
ajst-30243	44	3	here	here	ADV
ajst-30243	44	4	,	,	PUNCT
ajst-30243	44	5	𝑍	𝑍	NOUN
ajst-30243	44	6	represents	represent	VERB
ajst-30243	44	7	the	the	DET
ajst-30243	44	8	detector	detector	NOUN
ajst-30243	44	9	source	source	NOUN
ajst-30243	44	10	impedance	impedance	NOUN
ajst-30243	44	11	,	,	PUNCT
ajst-30243	44	12	expressed	express	VERB
ajst-30243	44	13	as	as	ADP
ajst-30243	44	14	𝑍	𝑍	PROPN
ajst-30243	44	15	𝑅	𝑅	PROPN
ajst-30243	44	16	𝑗𝑋	𝑗𝑋	PROPN
ajst-30243	44	17	,	,	PUNCT
ajst-30243	44	18	where	where	SCONJ
ajst-30243	44	19	𝑅	𝑅	PROPN
ajst-30243	44	20	and	and	CCONJ
ajst-30243	44	21	𝑋	𝑋	PROPN
ajst-30243	44	22	denote	denote	VERB
ajst-30243	44	23	the	the	DET
ajst-30243	44	24	resistive	resistive	ADJ
ajst-30243	44	25	and	and	CCONJ
ajst-30243	44	26	reactive	reactive	ADJ
ajst-30243	44	27	components	component	NOUN
ajst-30243	44	28	,	,	PUNCT
ajst-30243	44	29	respectively	respectively	ADV
ajst-30243	44	30	.	.	PUNCT
ajst-30243	45	1	the	the	DET
ajst-30243	45	2	thermal	thermal	ADJ
ajst-30243	45	3	noise	noise	NOUN
ajst-30243	45	4	voltage	voltage	NOUN
ajst-30243	45	5	of	of	ADP
ajst-30243	45	6	the	the	DET
ajst-30243	45	7	detector	detector	NOUN
ajst-30243	45	8	,	,	PUNCT
ajst-30243	45	9	𝐸	𝐸	PROPN
ajst-30243	45	10	,	,	PUNCT
ajst-30243	45	11	is	be	AUX
ajst-30243	45	12	given	give	VERB
ajst-30243	45	13	𝐸	𝐸	PROPN
ajst-30243	45	14	4𝑘𝑇𝑅	4𝑘𝑇𝑅	PROPN
ajst-30243	45	15	∆𝑓	∆𝑓	NOUN
ajst-30243	45	16	.	.	PUNCT
ajst-30243	46	1	the	the	DET
ajst-30243	46	2	acquisition	acquisition	NOUN
ajst-30243	46	3	channel	channel	NOUN
ajst-30243	46	4	's	's	PART
ajst-30243	46	5	equivalent	equivalent	ADJ
ajst-30243	46	6	voltage	voltage	NOUN
ajst-30243	46	7	and	and	CCONJ
ajst-30243	46	8	current	current	ADJ
ajst-30243	46	9	noise	noise	NOUN
ajst-30243	46	10	sources	source	NOUN
ajst-30243	46	11	are	be	AUX
ajst-30243	46	12	represented	represent	VERB
ajst-30243	46	13	by	by	ADP
ajst-30243	46	14	𝐸	𝐸	PROPN
ajst-30243	46	15	and	and	CCONJ
ajst-30243	46	16	𝐼	𝐼	PROPN
ajst-30243	46	17	,	,	PUNCT
ajst-30243	46	18	respectively	respectively	ADV
ajst-30243	46	19	,	,	PUNCT
ajst-30243	46	20	while	while	SCONJ
ajst-30243	46	21	𝑉	𝑉	PROPN
ajst-30243	46	22	signifies	signify	VERB
ajst-30243	46	23	the	the	DET
ajst-30243	46	24	signal	signal	ADJ
ajst-30243	46	25	source	source	NOUN
ajst-30243	46	26	voltage	voltage	NOUN
ajst-30243	46	27	.	.	PUNCT
ajst-30243	47	1	the	the	DET
ajst-30243	47	2	preamplifier	preamplifier	NOUN
ajst-30243	47	3	's	's	PART
ajst-30243	47	4	output	output	NOUN
ajst-30243	47	5	signal	signal	NOUN
ajst-30243	47	6	voltage	voltage	NOUN
ajst-30243	47	7	and	and	CCONJ
ajst-30243	47	8	output	output	NOUN
ajst-30243	47	9	noise	noise	NOUN
ajst-30243	47	10	voltage	voltage	NOUN
ajst-30243	47	11	are	be	AUX
ajst-30243	47	12	denoted	denote	VERB
ajst-30243	47	13	as	as	ADP
ajst-30243	47	14	𝑈	𝑈	PROPN
ajst-30243	47	15	and	and	CCONJ
ajst-30243	47	16	𝑈	𝑈	PROPN
ajst-30243	47	17	,	,	PUNCT
ajst-30243	47	18	respectively	respectively	ADV
ajst-30243	47	19	.	.	PUNCT
ajst-30243	48	1	per	per	ADP
ajst-30243	48	2	the	the	DET
ajst-30243	48	3	definition	definition	NOUN
ajst-30243	48	4	of	of	ADP
ajst-30243	48	5	amplifier	amplifier	ADJ
ajst-30243	48	6	noise	noise	NOUN
ajst-30243	48	7	coefficient	coefficient	NOUN
ajst-30243	48	8	[	[	X
ajst-30243	48	9	8	8	NUM
ajst-30243	48	10	]	]	PUNCT
ajst-30243	48	11	,	,	PUNCT
ajst-30243	48	12	the	the	DET
ajst-30243	48	13	noise	noise	NOUN
ajst-30243	48	14	coefficient	coefficient	NOUN
ajst-30243	48	15	f	f	PROPN
ajst-30243	48	16	of	of	ADP
ajst-30243	48	17	the	the	DET
ajst-30243	48	18	circuit	circuit	NOUN
ajst-30243	48	19	is	be	AUX
ajst-30243	48	20	:	:	PUNCT
ajst-30243	48	21	𝐹	𝐹	PROPN
ajst-30243	48	22	1	1	NUM
ajst-30243	48	23	𝐸	𝐸	NOUN
ajst-30243	48	24	𝐼	𝐼	ADP
ajst-30243	48	25	|𝑍	|𝑍	ADJ
ajst-30243	48	26	|	|	ADV
ajst-30243	48	27	2𝐸	2𝐸	NOUN
ajst-30243	48	28	𝐼	𝐼	ADP
ajst-30243	48	29	𝛽	𝛽	PROPN
ajst-30243	48	30	𝑅	𝑅	PROPN
ajst-30243	48	31	𝛽	𝛽	PROPN
ajst-30243	48	32	𝑋	𝑋	PROPN
ajst-30243	48	33	4𝑘𝑇𝑅	4𝑘𝑇𝑅	PROPN
ajst-30243	48	34	(	(	PUNCT
ajst-30243	48	35	4	4	NUM
ajst-30243	48	36	)	)	PUNCT
ajst-30243	48	37	here	here	ADV
ajst-30243	48	38	,	,	PUNCT
ajst-30243	48	39	k	k	PROPN
ajst-30243	48	40	is	be	AUX
ajst-30243	48	41	the	the	DET
ajst-30243	48	42	boltzmann	boltzmann	PROPN
ajst-30243	48	43	constant	constant	ADJ
ajst-30243	48	44	,	,	PUNCT
ajst-30243	48	45	and	and	CCONJ
ajst-30243	48	46	t	t	PROPN
ajst-30243	48	47	is	be	AUX
ajst-30243	48	48	the	the	DET
ajst-30243	48	49	absolute	absolute	ADJ
ajst-30243	48	50	temperature	temperature	NOUN
ajst-30243	48	51	.	.	PUNCT
ajst-30243	49	1	the	the	DET
ajst-30243	49	2	relationship	relationship	NOUN
ajst-30243	49	3	between	between	ADP
ajst-30243	49	4	the	the	DET
ajst-30243	49	5	noise	noise	NOUN
ajst-30243	49	6	voltage	voltage	NOUN
ajst-30243	49	7	𝐸	𝐸	PROPN
ajst-30243	49	8	and	and	CCONJ
ajst-30243	49	9	the	the	DET
ajst-30243	49	10	noise	noise	NOUN
ajst-30243	49	11	current	current	ADJ
ajst-30243	49	12	𝐼	𝐼	PROPN
ajst-30243	49	13	is	be	AUX
ajst-30243	49	14	characterized	characterize	VERB
ajst-30243	49	15	by	by	ADP
ajst-30243	49	16	the	the	DET
ajst-30243	49	17	spectral	spectral	ADJ
ajst-30243	49	18	density	density	NOUN
ajst-30243	49	19	coefficient	coefficient	NOUN
ajst-30243	49	20	𝛽	𝛽	ADP
ajst-30243	49	21	𝛽	𝛽	PROPN
ajst-30243	49	22	𝑗𝛽	𝑗𝛽	NOUN
ajst-30243	49	23	.	.	PUNCT
ajst-30243	50	1	eq.4	eq.4	PROPN
ajst-30243	50	2	shows	show	VERB
ajst-30243	50	3	that	that	SCONJ
ajst-30243	50	4	minimizing	minimize	VERB
ajst-30243	50	5	the	the	DET
ajst-30243	50	6	noise	noise	NOUN
ajst-30243	50	7	figure	figure	NOUN
ajst-30243	50	8	requires	require	VERB
ajst-30243	50	9	optimal	optimal	ADJ
ajst-30243	50	10	source	source	NOUN
ajst-30243	50	11	resistance	resistance	NOUN
ajst-30243	50	12	𝑅	𝑅	PROPN
ajst-30243	50	13	and	and	CCONJ
ajst-30243	50	14	source	source	NOUN
ajst-30243	50	15	reactance	reactance	NOUN
ajst-30243	50	16	𝑋	𝑋	NOUN
ajst-30243	50	17	.	.	PUNCT
ajst-30243	51	1	these	these	PRON
ajst-30243	51	2	are	be	AUX
ajst-30243	51	3	obtained	obtain	VERB
ajst-30243	51	4	by	by	ADP
ajst-30243	51	5	differentiating	differentiate	VERB
ajst-30243	51	6	eq.4	eq.4	PROPN
ajst-30243	51	7	with	with	ADP
ajst-30243	51	8	respect	respect	NOUN
ajst-30243	51	9	to	to	ADP
ajst-30243	51	10	𝑋	𝑋	PROPN
ajst-30243	51	11	and	and	CCONJ
ajst-30243	51	12	𝑅	𝑅	PROPN
ajst-30243	51	13	,	,	PUNCT
ajst-30243	51	14	setting	set	VERB
ajst-30243	51	15	the	the	DET
ajst-30243	51	16	results	result	NOUN
ajst-30243	51	17	to	to	ADP
ajst-30243	51	18	zero	zero	NUM
ajst-30243	51	19	.	.	PUNCT
ajst-30243	52	1	in	in	ADP
ajst-30243	52	2	practice	practice	NOUN
ajst-30243	52	3	,	,	PUNCT
ajst-30243	52	4	the	the	DET
ajst-30243	52	5	noise	noise	NOUN
ajst-30243	52	6	coefficients	coefficient	VERB
ajst-30243	52	7	𝛽	𝛽	PROPN
ajst-30243	52	8	and	and	CCONJ
ajst-30243	52	9	𝛽	𝛽	NOUN
ajst-30243	52	10	,	,	PUNCT
ajst-30243	52	11	being	be	AUX
ajst-30243	52	12	difficult	difficult	ADJ
ajst-30243	52	13	to	to	PART
ajst-30243	52	14	measure	measure	VERB
ajst-30243	52	15	accurately	accurately	ADV
ajst-30243	52	16	,	,	PUNCT
ajst-30243	52	17	are	be	AUX
ajst-30243	52	18	thus	thus	ADV
ajst-30243	52	19	often	often	ADV
ajst-30243	52	20	disregarded	disregard	VERB
ajst-30243	52	21	:	:	PUNCT
ajst-30243	52	22	𝑋	𝑋	PROPN
ajst-30243	52	23	𝛽	𝛽	PROPN
ajst-30243	52	24	𝐸	𝐸	NOUN
ajst-30243	52	25	𝐼	𝐼	ADV
ajst-30243	52	26	0	0	NUM
ajst-30243	53	1	(	(	PUNCT
ajst-30243	53	2	5	5	NUM
ajst-30243	53	3	)	)	PUNCT
ajst-30243	53	4	𝑅	𝑅	NOUN
ajst-30243	53	5	1	1	NUM
ajst-30243	53	6	𝛽	𝛽	NOUN
ajst-30243	53	7	𝐸	𝐸	NOUN
ajst-30243	53	8	𝐼	𝐼	ADP
ajst-30243	53	9	𝐸	𝐸	ADJ
ajst-30243	53	10	𝐼	𝐼	NOUN
ajst-30243	53	11	(	(	PUNCT
ajst-30243	53	12	6	6	NUM
ajst-30243	53	13	)	)	PUNCT
ajst-30243	53	14	substituting	substitute	VERB
ajst-30243	53	15	eq.5	eq.5	PROPN
ajst-30243	53	16	and	and	CCONJ
ajst-30243	53	17	eq.6	eq.6	NOUN
ajst-30243	53	18	into	into	ADP
ajst-30243	53	19	eq.4	eq.4	PROPN
ajst-30243	53	20	,	,	PUNCT
ajst-30243	53	21	we	we	PRON
ajst-30243	53	22	obtain	obtain	VERB
ajst-30243	53	23	the	the	DET
ajst-30243	53	24	minimum	minimum	ADJ
ajst-30243	53	25	noise	noise	NOUN
ajst-30243	53	26	figure	figure	NOUN
ajst-30243	53	27	:	:	PUNCT
ajst-30243	53	28	𝐹	𝐹	PROPN
ajst-30243	53	29	1	1	NUM
ajst-30243	53	30	𝐸	𝐸	NOUN
ajst-30243	53	31	𝐼	𝐼	PROPN
ajst-30243	53	32	2𝑘𝑇	2𝑘𝑇	PROPN
ajst-30243	53	33	(	(	PUNCT
ajst-30243	53	34	7	7	NUM
ajst-30243	53	35	)	)	PUNCT
ajst-30243	53	36	from	from	ADP
ajst-30243	53	37	eq.7	eq.7	PROPN
ajst-30243	53	38	,	,	PUNCT
ajst-30243	53	39	the	the	DET
ajst-30243	53	40	amplifier	amplifier	ADJ
ajst-30243	53	41	attains	attain	VERB
ajst-30243	53	42	its	its	PRON
ajst-30243	53	43	minimum	minimum	ADJ
ajst-30243	53	44	noise	noise	NOUN
ajst-30243	53	45	figure	figure	NOUN
ajst-30243	53	46	exclusively	exclusively	ADV
ajst-30243	53	47	when	when	SCONJ
ajst-30243	53	48	the	the	DET
ajst-30243	53	49	source	source	NOUN
ajst-30243	53	50	impedance	impedance	NOUN
ajst-30243	53	51	meets	meet	VERB
ajst-30243	53	52	conditions	condition	NOUN
ajst-30243	53	53	j	j	PROPN
ajst-30243	53	54	and	and	CCONJ
ajst-30243	53	55	k	k	PROPN
ajst-30243	53	56	,	,	PUNCT
ajst-30243	53	57	adhering	adhere	VERB
ajst-30243	53	58	to	to	ADP
ajst-30243	53	59	the	the	DET
ajst-30243	53	60	principle	principle	NOUN
ajst-30243	53	61	of	of	ADP
ajst-30243	53	62	optimal	optimal	ADJ
ajst-30243	53	63	noise	noise	NOUN
ajst-30243	53	64	matching	matching	NOUN
ajst-30243	53	65	.	.	PUNCT
ajst-30243	54	1	by	by	ADP
ajst-30243	54	2	integrating	integrate	VERB
ajst-30243	54	3	the	the	DET
ajst-30243	54	4	frequency	frequency	ADJ
ajst-30243	54	5	band	band	NOUN
ajst-30243	54	6	of	of	ADP
ajst-30243	54	7	the	the	DET
ajst-30243	54	8	target	target	NOUN
ajst-30243	54	9	passive	passive	ADJ
ajst-30243	54	10	source	source	NOUN
ajst-30243	54	11	microseismic	microseismic	ADJ
ajst-30243	54	12	signal	signal	NOUN
ajst-30243	54	13	with	with	ADP
ajst-30243	54	14	eq.7	eq.7	PROPN
ajst-30243	54	15	,	,	PUNCT
ajst-30243	54	16	the	the	DET
ajst-30243	54	17	circuit	circuit	NOUN
ajst-30243	54	18	architecture	architecture	NOUN
ajst-30243	54	19	of	of	ADP
ajst-30243	54	20	the	the	DET
ajst-30243	54	21	designed	design	VERB
ajst-30243	54	22	data	data	NOUN
ajst-30243	54	23	acquisition	acquisition	NOUN
ajst-30243	54	24	channel	channel	NOUN
ajst-30243	54	25	is	be	AUX
ajst-30243	54	26	illustrated	illustrate	VERB
ajst-30243	54	27	in	in	ADP
ajst-30243	54	28	fig	fig	NOUN
ajst-30243	54	29	.	.	PUNCT
ajst-30243	55	1	2	2	X
ajst-30243	55	2	.	.	X
ajst-30243	55	3	the	the	DET
ajst-30243	55	4	408	408	NUM
ajst-30243	55	5	differential	differential	ADJ
ajst-30243	55	6	input	input	NOUN
ajst-30243	55	7	impedance	impedance	NOUN
ajst-30243	55	8	is	be	AUX
ajst-30243	55	9	formed	form	VERB
ajst-30243	55	10	by	by	ADP
ajst-30243	55	11	resistors	resistor	NOUN
ajst-30243	55	12	r1	r1	PROPN
ajst-30243	55	13	–	–	PUNCT
ajst-30243	55	14	r3	r3	PROPN
ajst-30243	55	15	and	and	CCONJ
ajst-30243	55	16	r4	r4	PROPN
ajst-30243	55	17	–	–	PUNCT
ajst-30243	55	18	r6	r6	NOUN
ajst-30243	55	19	,	,	PUNCT
ajst-30243	55	20	and	and	CCONJ
ajst-30243	55	21	impedance	impedance	NOUN
ajst-30243	55	22	matching	matching	NOUN
ajst-30243	55	23	is	be	AUX
ajst-30243	55	24	achieved	achieve	VERB
ajst-30243	55	25	by	by	ADP
ajst-30243	55	26	selecting	select	VERB
ajst-30243	55	27	appropriate	appropriate	ADJ
ajst-30243	55	28	resistor	resistor	NOUN
ajst-30243	55	29	values	value	NOUN
ajst-30243	55	30	to	to	PART
ajst-30243	55	31	minimize	minimize	VERB
ajst-30243	55	32	the	the	DET
ajst-30243	55	33	noise	noise	NOUN
ajst-30243	55	34	figure	figure	NOUN
ajst-30243	55	35	.	.	PUNCT
ajst-30243	56	1	figure	figure	NOUN
ajst-30243	56	2	2	2	NUM
ajst-30243	56	3	.	.	PUNCT
ajst-30243	56	4	analog	analog	NOUN
ajst-30243	56	5	signal	signal	PROPN
ajst-30243	56	6	conditioning	conditioning	NOUN
ajst-30243	56	7	circuit	circuit	NOUN
ajst-30243	56	8	structure	structure	NOUN
ajst-30243	56	9	.	.	PUNCT
ajst-30243	57	1	a	a	DET
ajst-30243	57	2	bidirectional	bidirectional	ADJ
ajst-30243	57	3	transient	transient	NOUN
ajst-30243	57	4	voltage	voltage	NOUN
ajst-30243	57	5	suppressor	suppressor	NOUN
ajst-30243	57	6	(	(	PUNCT
ajst-30243	57	7	tvs	tvs	PROPN
ajst-30243	57	8	)	)	PUNCT
ajst-30243	57	9	was	be	AUX
ajst-30243	57	10	implemented	implement	VERB
ajst-30243	57	11	at	at	ADP
ajst-30243	57	12	the	the	DET
ajst-30243	57	13	signal	signal	ADJ
ajst-30243	57	14	input	input	NOUN
ajst-30243	57	15	front	front	ADJ
ajst-30243	57	16	end	end	NOUN
ajst-30243	57	17	to	to	PART
ajst-30243	57	18	establish	establish	VERB
ajst-30243	57	19	an	an	DET
ajst-30243	57	20	overvoltage	overvoltage	NOUN
ajst-30243	57	21	and	and	CCONJ
ajst-30243	57	22	overcurrent	overcurrent	NOUN
ajst-30243	57	23	protection	protection	NOUN
ajst-30243	57	24	circuit	circuit	NOUN
ajst-30243	57	25	,	,	PUNCT
ajst-30243	57	26	safeguarding	safeguard	VERB
ajst-30243	57	27	the	the	DET
ajst-30243	57	28	adc	adc	NOUN
ajst-30243	57	29	from	from	ADP
ajst-30243	57	30	potential	potential	ADJ
ajst-30243	57	31	damage	damage	NOUN
ajst-30243	57	32	.	.	PUNCT
ajst-30243	58	1	to	to	PART
ajst-30243	58	2	enhance	enhance	VERB
ajst-30243	58	3	circuit	circuit	NOUN
ajst-30243	58	4	protection	protection	NOUN
ajst-30243	58	5	,	,	PUNCT
ajst-30243	58	6	the	the	DET
ajst-30243	58	7	differential	differential	ADJ
ajst-30243	58	8	input	input	NOUN
ajst-30243	58	9	voltage	voltage	NOUN
ajst-30243	58	10	is	be	AUX
ajst-30243	58	11	constrained	constrain	VERB
ajst-30243	58	12	within	within	ADP
ajst-30243	58	13	±2.5	±2.5	PROPN
ajst-30243	58	14	v	v	NOUN
ajst-30243	58	15	using	use	VERB
ajst-30243	58	16	bat54s	bat54s	NOUN
ajst-30243	58	17	diodes	diode	NOUN
ajst-30243	58	18	(	(	PUNCT
ajst-30243	58	19	d1	d1	NOUN
ajst-30243	58	20	and	and	CCONJ
ajst-30243	58	21	d2	d2	PROPN
ajst-30243	58	22	)	)	PUNCT
ajst-30243	58	23	.	.	PUNCT
ajst-30243	59	1	a	a	DET
ajst-30243	59	2	differential	differential	ADJ
ajst-30243	59	3	low	low	ADJ
ajst-30243	59	4	-	-	PUNCT
ajst-30243	59	5	pass	pass	NOUN
ajst-30243	59	6	filter	filter	NOUN
ajst-30243	59	7	,	,	PUNCT
ajst-30243	59	8	comprising	comprise	VERB
ajst-30243	59	9	r1	r1	NOUN
ajst-30243	59	10	,	,	PUNCT
ajst-30243	59	11	c1	c1	PROPN
ajst-30243	59	12	and	and	CCONJ
ajst-30243	59	13	r4	r4	PROPN
ajst-30243	59	14	,	,	PUNCT
ajst-30243	59	15	c2	c2	PROPN
ajst-30243	59	16	,	,	PUNCT
ajst-30243	59	17	is	be	AUX
ajst-30243	59	18	employed	employ	VERB
ajst-30243	59	19	to	to	PART
ajst-30243	59	20	attenuate	attenuate	VERB
ajst-30243	59	21	highfrequency	highfrequency	NOUN
ajst-30243	59	22	inherent	inherent	ADJ
ajst-30243	59	23	oscillatory	oscillatory	ADJ
ajst-30243	59	24	noise	noise	NOUN
ajst-30243	59	25	from	from	ADP
ajst-30243	59	26	the	the	DET
ajst-30243	59	27	single	single	ADJ
ajst-30243	59	28	-	-	PUNCT
ajst-30243	59	29	ended	end	VERB
ajst-30243	59	30	input	input	NOUN
ajst-30243	59	31	of	of	ADP
ajst-30243	59	32	the	the	DET
ajst-30243	59	33	differential	differential	ADJ
ajst-30243	59	34	signal	signal	NOUN
ajst-30243	59	35	.	.	PUNCT
ajst-30243	60	1	additionally	additionally	ADV
ajst-30243	60	2	,	,	PUNCT
ajst-30243	60	3	r2	r2	PROPN
ajst-30243	60	4	,	,	PUNCT
ajst-30243	60	5	r3	r3	PROPN
ajst-30243	60	6	,	,	PUNCT
ajst-30243	60	7	r5	r5	PROPN
ajst-30243	60	8	,	,	PUNCT
ajst-30243	60	9	r6	r6	NOUN
ajst-30243	60	10	and	and	CCONJ
ajst-30243	60	11	c3	c3	PROPN
ajst-30243	60	12	,	,	PUNCT
ajst-30243	60	13	c4	c4	NOUN
ajst-30243	60	14	constitute	constitute	VERB
ajst-30243	60	15	a	a	DET
ajst-30243	60	16	second	second	ADJ
ajst-30243	60	17	-	-	PUNCT
ajst-30243	60	18	order	order	NOUN
ajst-30243	60	19	common	common	ADJ
ajst-30243	60	20	-	-	PUNCT
ajst-30243	60	21	mode	mode	NOUN
ajst-30243	60	22	filter	filter	NOUN
ajst-30243	60	23	to	to	PART
ajst-30243	60	24	suppress	suppress	VERB
ajst-30243	60	25	high	high	ADJ
ajst-30243	60	26	-	-	PUNCT
ajst-30243	60	27	frequency	frequency	NOUN
ajst-30243	60	28	disturbances	disturbance	NOUN
ajst-30243	60	29	common	common	ADJ
ajst-30243	60	30	to	to	ADP
ajst-30243	60	31	both	both	DET
ajst-30243	60	32	input	input	NOUN
ajst-30243	60	33	signal	signal	NOUN
ajst-30243	60	34	ends	end	VERB
ajst-30243	60	35	.	.	PUNCT
ajst-30243	61	1	c.	c.	PROPN
ajst-30243	61	2	design	design	PROPN
ajst-30243	61	3	of	of	ADP
ajst-30243	61	4	high	high	ADJ
ajst-30243	61	5	-	-	PUNCT
ajst-30243	61	6	precision	precision	NOUN
ajst-30243	61	7	data	datum	NOUN
ajst-30243	61	8	acquisition	acquisition	NOUN
ajst-30243	61	9	unit	unit	NOUN
ajst-30243	61	10	the	the	DET
ajst-30243	61	11	architecture	architecture	NOUN
ajst-30243	61	12	of	of	ADP
ajst-30243	61	13	the	the	DET
ajst-30243	61	14	data	data	NOUN
ajst-30243	61	15	acquisition	acquisition	NOUN
ajst-30243	61	16	system	system	NOUN
ajst-30243	61	17	for	for	ADP
ajst-30243	61	18	shallowburied	shallowburie	VERB
ajst-30243	61	19	microseismic	microseismic	ADJ
ajst-30243	61	20	monitoring	monitoring	NOUN
ajst-30243	61	21	is	be	AUX
ajst-30243	61	22	illustrated	illustrate	VERB
ajst-30243	61	23	in	in	ADP
ajst-30243	61	24	figure	figure	NOUN
ajst-30243	61	25	3	3	NUM
ajst-30243	61	26	.	.	PUNCT
ajst-30243	62	1	the	the	DET
ajst-30243	62	2	acquisition	acquisition	NOUN
ajst-30243	62	3	channel	channel	NOUN
ajst-30243	62	4	performs	perform	VERB
ajst-30243	62	5	signal	signal	NOUN
ajst-30243	62	6	matching	matching	NOUN
ajst-30243	62	7	,	,	PUNCT
ajst-30243	62	8	buffering	buffering	NOUN
ajst-30243	62	9	,	,	PUNCT
ajst-30243	62	10	filtering	filtering	NOUN
ajst-30243	62	11	,	,	PUNCT
ajst-30243	62	12	and	and	CCONJ
ajst-30243	62	13	amplification	amplification	NOUN
ajst-30243	62	14	prior	prior	ADV
ajst-30243	62	15	to	to	ADP
ajst-30243	62	16	analog	analog	NOUN
ajst-30243	62	17	-	-	PUNCT
ajst-30243	62	18	to	to	ADP
ajst-30243	62	19	-	-	PUNCT
ajst-30243	62	20	digital	digital	ADJ
ajst-30243	62	21	conversion	conversion	NOUN
ajst-30243	62	22	.	.	PUNCT
ajst-30243	63	1	it	it	PRON
ajst-30243	63	2	comprises	comprise	VERB
ajst-30243	63	3	an	an	DET
ajst-30243	63	4	input	input	NOUN
ajst-30243	63	5	protection	protection	NOUN
ajst-30243	63	6	circuit	circuit	NOUN
ajst-30243	63	7	,	,	PUNCT
ajst-30243	63	8	impedance	impedance	NOUN
ajst-30243	63	9	matching	matching	NOUN
ajst-30243	63	10	circuit	circuit	NOUN
ajst-30243	63	11	,	,	PUNCT
ajst-30243	63	12	passive	passive	ADJ
ajst-30243	63	13	filter	filter	NOUN
ajst-30243	63	14	,	,	PUNCT
ajst-30243	63	15	adc	adc	PROPN
ajst-30243	63	16	,	,	PUNCT
ajst-30243	63	17	digital	digital	PROPN
ajst-30243	63	18	-	-	PUNCT
ajst-30243	63	19	to	to	ADP
ajst-30243	63	20	-	-	PUNCT
ajst-30243	63	21	analog	analog	NOUN
ajst-30243	63	22	converter	converter	NOUN
ajst-30243	63	23	(	(	PUNCT
ajst-30243	63	24	dac	dac	PROPN
ajst-30243	63	25	)	)	PUNCT
ajst-30243	63	26	,	,	PUNCT
ajst-30243	63	27	and	and	CCONJ
ajst-30243	63	28	a	a	DET
ajst-30243	63	29	temperature	temperature	NOUN
ajst-30243	63	30	-	-	PUNCT
ajst-30243	63	31	compensated	compensate	VERB
ajst-30243	63	32	crystal	crystal	NOUN
ajst-30243	63	33	oscillator	oscillator	NOUN
ajst-30243	63	34	.	.	PUNCT
ajst-30243	64	1	a	a	DET
ajst-30243	64	2	programmable	programmable	ADJ
ajst-30243	64	3	gain	gain	NOUN
ajst-30243	64	4	amplifier	amplifier	NOUN
ajst-30243	64	5	(	(	PUNCT
ajst-30243	64	6	pga	pga	PROPN
ajst-30243	64	7	)	)	PUNCT
ajst-30243	64	8	is	be	AUX
ajst-30243	64	9	integrated	integrate	VERB
ajst-30243	64	10	into	into	ADP
ajst-30243	64	11	the	the	DET
ajst-30243	64	12	channel	channel	NOUN
ajst-30243	64	13	to	to	PART
ajst-30243	64	14	amplify	amplify	VERB
ajst-30243	64	15	microseismic	microseismic	ADJ
ajst-30243	64	16	signals	signal	NOUN
ajst-30243	64	17	to	to	ADP
ajst-30243	64	18	levels	level	NOUN
ajst-30243	64	19	detectable	detectable	ADJ
ajst-30243	64	20	by	by	ADP
ajst-30243	64	21	the	the	DET
ajst-30243	64	22	adc	adc	PROPN
ajst-30243	64	23	.	.	PUNCT
ajst-30243	65	1	following	follow	VERB
ajst-30243	65	2	gain	gain	NOUN
ajst-30243	65	3	compensation	compensation	NOUN
ajst-30243	65	4	,	,	PUNCT
ajst-30243	65	5	the	the	DET
ajst-30243	65	6	signal	signal	NOUN
ajst-30243	65	7	undergoes	undergo	VERB
ajst-30243	65	8	further	far	ADV
ajst-30243	65	9	processing	process	VERB
ajst-30243	65	10	through	through	ADP
ajst-30243	65	11	the	the	DET
ajst-30243	65	12	adc	adc	PROPN
ajst-30243	65	13	's	's	PART
ajst-30243	65	14	internal	internal	ADJ
ajst-30243	65	15	programmable	programmable	ADJ
ajst-30243	65	16	bandpass	bandpass	NOUN
ajst-30243	65	17	filter	filter	NOUN
ajst-30243	65	18	to	to	PART
ajst-30243	65	19	remove	remove	VERB
ajst-30243	65	20	out	out	ADV
ajst-30243	65	21	-	-	PUNCT
ajst-30243	65	22	of	of	ADP
ajst-30243	65	23	-	-	PUNCT
ajst-30243	65	24	band	band	NOUN
ajst-30243	65	25	harmonics	harmonic	NOUN
ajst-30243	65	26	and	and	CCONJ
ajst-30243	65	27	other	other	ADJ
ajst-30243	65	28	noise	noise	NOUN
ajst-30243	65	29	.	.	PUNCT
ajst-30243	66	1	figure	figure	NOUN
ajst-30243	66	2	3	3	NUM
ajst-30243	66	3	.	.	PUNCT
ajst-30243	66	4	high	high	ADJ
ajst-30243	66	5	-	-	PUNCT
ajst-30243	66	6	precision	precision	NOUN
ajst-30243	66	7	data	datum	NOUN
ajst-30243	66	8	acquisition	acquisition	NOUN
ajst-30243	66	9	unit	unit	NOUN
ajst-30243	66	10	structure	structure	NOUN
ajst-30243	66	11	.	.	PUNCT
ajst-30243	67	1	the	the	DET
ajst-30243	67	2	self	self	NOUN
ajst-30243	67	3	-	-	PUNCT
ajst-30243	67	4	test	test	NOUN
ajst-30243	67	5	module	module	NOUN
ajst-30243	67	6	utilizes	utilize	VERB
ajst-30243	67	7	the	the	DET
ajst-30243	67	8	dac1282	dac1282	NOUN
ajst-30243	67	9	to	to	PART
ajst-30243	67	10	perform	perform	VERB
ajst-30243	67	11	shortcircuit	shortcircuit	NOUN
ajst-30243	67	12	noise	noise	NOUN
ajst-30243	67	13	diagnostics	diagnostic	NOUN
ajst-30243	67	14	,	,	PUNCT
ajst-30243	67	15	harmonic	harmonic	ADJ
ajst-30243	67	16	distortion	distortion	NOUN
ajst-30243	67	17	testing	testing	NOUN
ajst-30243	67	18	,	,	PUNCT
ajst-30243	67	19	and	and	CCONJ
ajst-30243	67	20	detector	detector	NOUN
ajst-30243	67	21	impedance	impedance	NOUN
ajst-30243	67	22	calibration	calibration	NOUN
ajst-30243	67	23	.	.	PUNCT
ajst-30243	68	1	a	a	DET
ajst-30243	68	2	temperature	temperature	NOUN
ajst-30243	68	3	-	-	PUNCT
ajst-30243	68	4	compensated	compensate	VERB
ajst-30243	68	5	crystal	crystal	NOUN
ajst-30243	68	6	oscillator	oscillator	NOUN
ajst-30243	68	7	supplies	supply	VERB
ajst-30243	68	8	a	a	DET
ajst-30243	68	9	high	high	ADJ
ajst-30243	68	10	-	-	PUNCT
ajst-30243	68	11	accuracy	accuracy	NOUN
ajst-30243	68	12	timing	timing	NOUN
ajst-30243	68	13	reference	reference	NOUN
ajst-30243	68	14	for	for	ADP
ajst-30243	68	15	the	the	DET
ajst-30243	68	16	adc	adc	PROPN
ajst-30243	68	17	and	and	CCONJ
ajst-30243	68	18	dac	dac	NOUN
ajst-30243	68	19	throughout	throughout	ADP
ajst-30243	68	20	the	the	DET
ajst-30243	68	21	data	data	NOUN
ajst-30243	68	22	acquisition	acquisition	NOUN
ajst-30243	68	23	process	process	NOUN
ajst-30243	68	24	.	.	PUNCT
ajst-30243	69	1	3	3	X
ajst-30243	69	2	.	.	X
ajst-30243	69	3	development	development	NOUN
ajst-30243	69	4	of	of	ADP
ajst-30243	69	5	high	high	ADJ
ajst-30243	69	6	-	-	PUNCT
ajst-30243	69	7	precision	precision	NOUN
ajst-30243	69	8	time	time	NOUN
ajst-30243	69	9	synchronization	synchronization	NOUN
ajst-30243	69	10	technology	technology	NOUN
ajst-30243	69	11	a.	a.	NOUN
ajst-30243	69	12	time	time	NOUN
ajst-30243	69	13	synchronization	synchronization	NOUN
ajst-30243	69	14	requirements	requirement	VERB
ajst-30243	69	15	the	the	DET
ajst-30243	69	16	accuracy	accuracy	NOUN
ajst-30243	69	17	of	of	ADP
ajst-30243	69	18	time	time	NOUN
ajst-30243	69	19	synchronization	synchronization	NOUN
ajst-30243	69	20	is	be	AUX
ajst-30243	69	21	a	a	DET
ajst-30243	69	22	critical	critical	ADJ
ajst-30243	69	23	design	design	NOUN
ajst-30243	69	24	parameter	parameter	NOUN
ajst-30243	69	25	dictated	dictate	VERB
ajst-30243	69	26	by	by	ADP
ajst-30243	69	27	seismic	seismic	ADJ
ajst-30243	69	28	wave	wave	NOUN
ajst-30243	69	29	velocity	velocity	NOUN
ajst-30243	69	30	and	and	CCONJ
ajst-30243	69	31	exploration	exploration	NOUN
ajst-30243	69	32	depth	depth	NOUN
ajst-30243	70	1	[	[	X
ajst-30243	70	2	9	9	NUM
ajst-30243	70	3	]	]	PUNCT
ajst-30243	70	4	.	.	PUNCT
ajst-30243	71	1	over	over	ADP
ajst-30243	71	2	extended	extended	ADJ
ajst-30243	71	3	acquisition	acquisition	NOUN
ajst-30243	71	4	periods	period	NOUN
ajst-30243	71	5	,	,	PUNCT
ajst-30243	71	6	frequency	frequency	NOUN
ajst-30243	71	7	drift	drift	NOUN
ajst-30243	71	8	in	in	ADP
ajst-30243	71	9	the	the	DET
ajst-30243	71	10	crystal	crystal	NOUN
ajst-30243	71	11	oscillator	oscillator	NOUN
ajst-30243	71	12	leads	lead	VERB
ajst-30243	71	13	to	to	ADP
ajst-30243	71	14	substantial	substantial	ADJ
ajst-30243	71	15	cumulative	cumulative	ADJ
ajst-30243	71	16	timing	timing	NOUN
ajst-30243	71	17	errors	error	NOUN
ajst-30243	71	18	[	[	X
ajst-30243	71	19	10	10	NUM
ajst-30243	71	20	]	]	PUNCT
ajst-30243	71	21	.	.	PUNCT
ajst-30243	72	1	let	let	VERB
ajst-30243	72	2	𝑀	𝑀	PROPN
ajst-30243	72	3	𝑡	𝑡	PROPN
ajst-30243	72	4	represent	represent	VERB
ajst-30243	72	5	the	the	DET
ajst-30243	72	6	master	master	NOUN
ajst-30243	72	7	clock	clock	NOUN
ajst-30243	72	8	's	's	PART
ajst-30243	72	9	count	count	NOUN
ajst-30243	72	10	value	value	NOUN
ajst-30243	72	11	at	at	ADP
ajst-30243	72	12	absolute	absolute	ADJ
ajst-30243	72	13	time	time	NOUN
ajst-30243	72	14	,	,	PUNCT
ajst-30243	72	15	and	and	CCONJ
ajst-30243	72	16	𝑆	𝑆	PROPN
ajst-30243	72	17	𝑡	𝑡	PROPN
ajst-30243	72	18	denote	denote	VERB
ajst-30243	72	19	the	the	DET
ajst-30243	72	20	corresponding	corresponding	ADJ
ajst-30243	72	21	count	count	NOUN
ajst-30243	72	22	value	value	NOUN
ajst-30243	72	23	of	of	ADP
ajst-30243	72	24	the	the	DET
ajst-30243	72	25	slave	slave	NOUN
ajst-30243	72	26	clock	clock	NOUN
ajst-30243	72	27	.	.	PUNCT
ajst-30243	73	1	if	if	SCONJ
ajst-30243	73	2	the	the	DET
ajst-30243	73	3	timing	timing	NOUN
ajst-30243	73	4	error	error	NOUN
ajst-30243	73	5	∆𝑇	∆𝑇	NOUN
ajst-30243	73	6	remains	remain	VERB
ajst-30243	73	7	s	s	NOUN
ajst-30243	73	8	within	within	ADP
ajst-30243	73	9	a	a	DET
ajst-30243	73	10	negligible	negligible	ADJ
ajst-30243	73	11	range	range	NOUN
ajst-30243	73	12	and	and	CCONJ
ajst-30243	73	13	satisfies	satisfie	NOUN
ajst-30243	73	14	eq.8	eq.8	PROPN
ajst-30243	73	15	,	,	PUNCT
ajst-30243	73	16	the	the	DET
ajst-30243	73	17	master	master	NOUN
ajst-30243	73	18	and	and	CCONJ
ajst-30243	73	19	slave	slave	NOUN
ajst-30243	73	20	clocks	clock	NOUN
ajst-30243	73	21	are	be	AUX
ajst-30243	73	22	deemed	deem	VERB
ajst-30243	73	23	synchronized	synchronize	VERB
ajst-30243	73	24	.	.	PUNCT
ajst-30243	74	1	|𝑆	|𝑆	PROPN
ajst-30243	74	2	𝑡	𝑡	PROPN
ajst-30243	74	3	𝑀	𝑀	PROPN
ajst-30243	74	4	𝑡	𝑡	PROPN
ajst-30243	74	5	|	|	ADV
ajst-30243	74	6	∆𝑇	∆𝑇	PROPN
ajst-30243	74	7	(	(	PUNCT
ajst-30243	74	8	8)	8)	NUM
ajst-30243	74	9	to	to	PART
ajst-30243	74	10	ensure	ensure	VERB
ajst-30243	74	11	minimal	minimal	ADJ
ajst-30243	74	12	interference	interference	NOUN
ajst-30243	74	13	with	with	ADP
ajst-30243	74	14	routine	routine	ADJ
ajst-30243	74	15	acquisition	acquisition	NOUN
ajst-30243	74	16	operations	operation	NOUN
ajst-30243	74	17	,	,	PUNCT
ajst-30243	74	18	the	the	DET
ajst-30243	74	19	time	time	NOUN
ajst-30243	74	20	synchronization	synchronization	NOUN
ajst-30243	74	21	system	system	NOUN
ajst-30243	74	22	is	be	AUX
ajst-30243	74	23	integrated	integrate	VERB
ajst-30243	74	24	into	into	ADP
ajst-30243	74	25	the	the	DET
ajst-30243	74	26	data	data	NOUN
ajst-30243	74	27	acquisition	acquisition	NOUN
ajst-30243	74	28	phase	phase	NOUN
ajst-30243	74	29	.	.	PUNCT
ajst-30243	75	1	figure	figure	NOUN
ajst-30243	75	2	4	4	NUM
ajst-30243	75	3	illustrates	illustrate	VERB
ajst-30243	75	4	the	the	DET
ajst-30243	75	5	hardware	hardware	NOUN
ajst-30243	75	6	architecture	architecture	NOUN
ajst-30243	75	7	of	of	ADP
ajst-30243	75	8	the	the	DET
ajst-30243	75	9	shallow	shallow	ADV
ajst-30243	75	10	-	-	PUNCT
ajst-30243	75	11	buried	bury	VERB
ajst-30243	75	12	microseismic	microseismic	ADJ
ajst-30243	75	13	node	node	NOUN
ajst-30243	75	14	,	,	PUNCT
ajst-30243	75	15	incorporating	incorporate	VERB
ajst-30243	75	16	the	the	DET
ajst-30243	75	17	time	time	NOUN
ajst-30243	75	18	synchronization	synchronization	NOUN
ajst-30243	75	19	system	system	NOUN
ajst-30243	75	20	.	.	PUNCT
ajst-30243	76	1	during	during	ADP
ajst-30243	76	2	the	the	DET
ajst-30243	76	3	data	data	NOUN
ajst-30243	76	4	acquisition	acquisition	NOUN
ajst-30243	76	5	phase	phase	NOUN
ajst-30243	76	6	,	,	PUNCT
ajst-30243	76	7	the	the	DET
ajst-30243	76	8	mcu	mcu	NOUN
ajst-30243	76	9	temporarily	temporarily	ADV
ajst-30243	76	10	stores	store	VERB
ajst-30243	76	11	the	the	DET
ajst-30243	76	12	adc	adc	PROPN
ajst-30243	76	13	-	-	PUNCT
ajst-30243	76	14	converted	convert	VERB
ajst-30243	76	15	data	datum	NOUN
ajst-30243	76	16	in	in	ADP
ajst-30243	76	17	a	a	DET
ajst-30243	76	18	fifo	fifo	ADJ
ajst-30243	76	19	buffer	buffer	NOUN
ajst-30243	76	20	.	.	PUNCT
ajst-30243	77	1	once	once	SCONJ
ajst-30243	77	2	the	the	DET
ajst-30243	77	3	buffer	buffer	NOUN
ajst-30243	77	4	capacity	capacity	NOUN
ajst-30243	77	5	exceeds	exceed	VERB
ajst-30243	77	6	the	the	DET
ajst-30243	77	7	predefined	predefine	VERB
ajst-30243	77	8	threshold	threshold	NOUN
ajst-30243	77	9	,	,	PUNCT
ajst-30243	77	10	the	the	DET
ajst-30243	77	11	mcu	mcu	NOUN
ajst-30243	77	12	409	409	NUM
ajst-30243	77	13	retrieves	retrieve	VERB
ajst-30243	77	14	the	the	DET
ajst-30243	77	15	seismic	seismic	ADJ
ajst-30243	77	16	data	datum	NOUN
ajst-30243	77	17	and	and	CCONJ
ajst-30243	77	18	transfers	transfer	NOUN
ajst-30243	77	19	it	it	PRON
ajst-30243	77	20	to	to	ADP
ajst-30243	77	21	the	the	DET
ajst-30243	77	22	sd	sd	NOUN
ajst-30243	77	23	card	card	NOUN
ajst-30243	77	24	for	for	ADP
ajst-30243	77	25	storage	storage	NOUN
ajst-30243	77	26	.	.	PUNCT
ajst-30243	78	1	a	a	DET
ajst-30243	78	2	crystal	crystal	NOUN
ajst-30243	78	3	oscillator	oscillator	NOUN
ajst-30243	78	4	serves	serve	VERB
ajst-30243	78	5	as	as	ADP
ajst-30243	78	6	the	the	DET
ajst-30243	78	7	timing	timing	NOUN
ajst-30243	78	8	reference	reference	NOUN
ajst-30243	78	9	for	for	ADP
ajst-30243	78	10	the	the	DET
ajst-30243	78	11	adc	adc	PROPN
ajst-30243	78	12	throughout	throughout	ADP
ajst-30243	78	13	this	this	DET
ajst-30243	78	14	process	process	NOUN
ajst-30243	78	15	.	.	PUNCT
ajst-30243	79	1	the	the	DET
ajst-30243	79	2	ads1282	ads1282	PROPN
ajst-30243	79	3	features	feature	VERB
ajst-30243	79	4	two	two	NUM
ajst-30243	79	5	synchronization	synchronization	NOUN
ajst-30243	79	6	sources	source	NOUN
ajst-30243	79	7	:	:	PUNCT
ajst-30243	79	8	the	the	DET
ajst-30243	79	9	synchronization	synchronization	NOUN
ajst-30243	79	10	input	input	NOUN
ajst-30243	79	11	pin	pin	NOUN
ajst-30243	79	12	and	and	CCONJ
ajst-30243	79	13	the	the	DET
ajst-30243	79	14	sync	sync	NOUN
ajst-30243	79	15	command	command	NOUN
ajst-30243	79	16	.	.	PUNCT
ajst-30243	80	1	this	this	DET
ajst-30243	80	2	study	study	NOUN
ajst-30243	80	3	utilizes	utilize	VERB
ajst-30243	80	4	the	the	DET
ajst-30243	80	5	continuous	continuous	ADJ
ajst-30243	80	6	synchronization	synchronization	NOUN
ajst-30243	80	7	mode	mode	NOUN
ajst-30243	80	8	via	via	ADP
ajst-30243	80	9	the	the	DET
ajst-30243	80	10	sync	sync	NOUN
ajst-30243	80	11	command	command	NOUN
ajst-30243	80	12	for	for	ADP
ajst-30243	80	13	data	data	NOUN
ajst-30243	80	14	synchronization	synchronization	NOUN
ajst-30243	80	15	,	,	PUNCT
ajst-30243	80	16	with	with	ADP
ajst-30243	80	17	its	its	PRON
ajst-30243	80	18	timing	timing	NOUN
ajst-30243	80	19	diagram	diagram	NOUN
ajst-30243	80	20	presented	present	VERB
ajst-30243	80	21	in	in	ADP
ajst-30243	80	22	figure	figure	NOUN
ajst-30243	80	23	5	5	NUM
ajst-30243	80	24	.	.	PUNCT
ajst-30243	80	25	figure	figure	VERB
ajst-30243	80	26	4	4	NUM
ajst-30243	80	27	.	.	PUNCT
ajst-30243	80	28	hardware	hardware	NOUN
ajst-30243	80	29	architecture	architecture	NOUN
ajst-30243	80	30	of	of	ADP
ajst-30243	80	31	time	time	NOUN
ajst-30243	80	32	synchronization	synchronization	NOUN
ajst-30243	80	33	system	system	NOUN
ajst-30243	80	34	.	.	PUNCT
ajst-30243	81	1	figure	figure	NOUN
ajst-30243	81	2	5	5	NUM
ajst-30243	81	3	.	.	PUNCT
ajst-30243	81	4	data	datum	NOUN
ajst-30243	81	5	continuous	continuous	ADJ
ajst-30243	81	6	synchronization	synchronization	NOUN
ajst-30243	81	7	mode	mode	NOUN
ajst-30243	81	8	timing	timing	NOUN
ajst-30243	81	9	chart	chart	NOUN
ajst-30243	81	10	.	.	PUNCT
ajst-30243	82	1	when	when	SCONJ
ajst-30243	82	2	the	the	DET
ajst-30243	82	3	data	datum	NOUN
ajst-30243	82	4	exceeds	exceed	VERB
ajst-30243	82	5	the	the	DET
ajst-30243	82	6	threshold	threshold	NOUN
ajst-30243	82	7	,	,	PUNCT
ajst-30243	82	8	the	the	DET
ajst-30243	82	9	data	data	NOUN
ajst-30243	82	10	-	-	PUNCT
ajst-30243	82	11	ready	ready	ADJ
ajst-30243	82	12	pin	pin	NOUN
ajst-30243	82	13	(	(	PUNCT
ajst-30243	82	14	drdy	drdy	ADJ
ajst-30243	82	15	)	)	PUNCT
ajst-30243	82	16	of	of	ADP
ajst-30243	82	17	the	the	DET
ajst-30243	82	18	ads1282	ads1282	ADJ
ajst-30243	82	19	,	,	PUNCT
ajst-30243	82	20	connected	connect	VERB
ajst-30243	82	21	to	to	ADP
ajst-30243	82	22	the	the	DET
ajst-30243	82	23	mcu	mcu	PROPN
ajst-30243	82	24	interrupt	interrupt	ADJ
ajst-30243	82	25	pin	pin	PROPN
ajst-30243	82	26	,	,	PUNCT
ajst-30243	82	27	triggers	trigger	VERB
ajst-30243	82	28	an	an	DET
ajst-30243	82	29	interrupt	interrupt	ADJ
ajst-30243	82	30	.	.	PUNCT
ajst-30243	83	1	the	the	DET
ajst-30243	83	2	controller	controller	NOUN
ajst-30243	83	3	then	then	ADV
ajst-30243	83	4	retrieves	retrieve	VERB
ajst-30243	83	5	32	32	NUM
ajst-30243	83	6	-	-	PUNCT
ajst-30243	83	7	bit	bit	NOUN
ajst-30243	83	8	data	datum	NOUN
ajst-30243	83	9	from	from	ADP
ajst-30243	83	10	the	the	DET
ajst-30243	83	11	adc	adc	PROPN
ajst-30243	83	12	.	.	PUNCT
ajst-30243	84	1	the	the	DET
ajst-30243	84	2	synchronization	synchronization	NOUN
ajst-30243	84	3	accuracy	accuracy	NOUN
ajst-30243	84	4	of	of	ADP
ajst-30243	84	5	the	the	DET
ajst-30243	84	6	adc	adc	PROPN
ajst-30243	84	7	conversion	conversion	NOUN
ajst-30243	84	8	relies	rely	VERB
ajst-30243	84	9	on	on	ADP
ajst-30243	84	10	the	the	DET
ajst-30243	84	11	system	system	NOUN
ajst-30243	84	12	clock	clock	NOUN
ajst-30243	84	13	,	,	PUNCT
ajst-30243	84	14	which	which	PRON
ajst-30243	84	15	is	be	AUX
ajst-30243	84	16	governed	govern	VERB
ajst-30243	84	17	by	by	ADP
ajst-30243	84	18	the	the	DET
ajst-30243	84	19	crystal	crystal	PROPN
ajst-30243	84	20	oscillator	oscillator	NOUN
ajst-30243	84	21	.	.	PUNCT
ajst-30243	85	1	therefore	therefore	ADV
ajst-30243	85	2	,	,	PUNCT
ajst-30243	85	3	a	a	DET
ajst-30243	85	4	highly	highly	ADV
ajst-30243	85	5	stable	stable	ADJ
ajst-30243	85	6	,	,	PUNCT
ajst-30243	85	7	low	low	ADJ
ajst-30243	85	8	-	-	PUNCT
ajst-30243	85	9	drift	drift	NOUN
ajst-30243	85	10	crystal	crystal	NOUN
ajst-30243	85	11	oscillator	oscillator	NOUN
ajst-30243	85	12	is	be	AUX
ajst-30243	85	13	critical	critical	ADJ
ajst-30243	85	14	for	for	ADP
ajst-30243	85	15	ensuring	ensure	VERB
ajst-30243	85	16	system	system	NOUN
ajst-30243	85	17	stability	stability	NOUN
ajst-30243	85	18	.	.	PUNCT
ajst-30243	86	1	b.	b.	PROPN
ajst-30243	86	2	high	high	ADJ
ajst-30243	86	3	-	-	PUNCT
ajst-30243	86	4	precision	precision	NOUN
ajst-30243	86	5	time	time	NOUN
ajst-30243	86	6	synchronization	synchronization	NOUN
ajst-30243	86	7	architecture	architecture	NOUN
ajst-30243	86	8	design	design	NOUN
ajst-30243	86	9	this	this	DET
ajst-30243	86	10	part	part	NOUN
ajst-30243	86	11	describes	describe	VERB
ajst-30243	86	12	introduces	introduce	NOUN
ajst-30243	86	13	a	a	DET
ajst-30243	86	14	time	time	NOUN
ajst-30243	86	15	synchronization	synchronization	NOUN
ajst-30243	86	16	approach	approach	NOUN
ajst-30243	86	17	integrating	integrate	VERB
ajst-30243	86	18	timestamp	timestamp	NOUN
ajst-30243	86	19	indexing	indexing	NOUN
ajst-30243	86	20	and	and	CCONJ
ajst-30243	86	21	time	time	NOUN
ajst-30243	86	22	interpolation	interpolation	NOUN
ajst-30243	86	23	.	.	PUNCT
ajst-30243	87	1	during	during	ADP
ajst-30243	87	2	data	data	NOUN
ajst-30243	87	3	acquisition	acquisition	NOUN
ajst-30243	87	4	,	,	PUNCT
ajst-30243	87	5	each	each	DET
ajst-30243	87	6	data	datum	NOUN
ajst-30243	87	7	point	point	NOUN
ajst-30243	87	8	is	be	AUX
ajst-30243	87	9	timestamped	timestampe	VERB
ajst-30243	87	10	,	,	PUNCT
ajst-30243	87	11	and	and	CCONJ
ajst-30243	87	12	gps	gps	NOUN
ajst-30243	87	13	-	-	PUNCT
ajst-30243	87	14	marked	mark	VERB
ajst-30243	87	15	timestamps	timestamp	NOUN
ajst-30243	87	16	are	be	AUX
ajst-30243	87	17	indexed	index	VERB
ajst-30243	87	18	during	during	ADP
ajst-30243	87	19	file	file	NOUN
ajst-30243	87	20	reading	reading	NOUN
ajst-30243	87	21	to	to	PART
ajst-30243	87	22	facilitate	facilitate	VERB
ajst-30243	87	23	data	datum	NOUN
ajst-30243	87	24	alignment	alignment	NOUN
ajst-30243	87	25	and	and	CCONJ
ajst-30243	87	26	uniform	uniform	ADJ
ajst-30243	87	27	segmentation	segmentation	NOUN
ajst-30243	87	28	,	,	PUNCT
ajst-30243	87	29	enabling	enable	VERB
ajst-30243	87	30	precise	precise	ADJ
ajst-30243	87	31	synchronization	synchronization	NOUN
ajst-30243	87	32	across	across	ADP
ajst-30243	87	33	multiple	multiple	ADJ
ajst-30243	87	34	nodes	node	NOUN
ajst-30243	87	35	.	.	PUNCT
ajst-30243	88	1	to	to	PART
ajst-30243	88	2	achieve	achieve	VERB
ajst-30243	88	3	high	high	ADJ
ajst-30243	88	4	-	-	PUNCT
ajst-30243	88	5	precision	precision	NOUN
ajst-30243	88	6	timestamping	timestamping	NOUN
ajst-30243	88	7	,	,	PUNCT
ajst-30243	88	8	the	the	DET
ajst-30243	88	9	xtal	xtal	ADJ
ajst-30243	88	10	-	-	PUNCT
ajst-30243	88	11	osctcxo	osctcxo	NOUN
ajst-30243	88	12	16.384	16.384	NUM
ajst-30243	88	13	mhz	mhz	NOUN
ajst-30243	88	14	±0.2	±0.2	PROPN
ajst-30243	88	15	ppm	ppm	NOUN
ajst-30243	88	16	crystal	crystal	NOUN
ajst-30243	88	17	oscillator	oscillator	NOUN
ajst-30243	88	18	is	be	AUX
ajst-30243	88	19	selected	select	VERB
ajst-30243	88	20	as	as	ADP
ajst-30243	88	21	the	the	DET
ajst-30243	88	22	clock	clock	NOUN
ajst-30243	88	23	source	source	NOUN
ajst-30243	88	24	,	,	PUNCT
ajst-30243	88	25	renowned	renowne	VERB
ajst-30243	88	26	for	for	ADP
ajst-30243	88	27	its	its	PRON
ajst-30243	88	28	exceptional	exceptional	ADJ
ajst-30243	88	29	frequency	frequency	NOUN
ajst-30243	88	30	stability	stability	NOUN
ajst-30243	88	31	and	and	CCONJ
ajst-30243	88	32	reliability	reliability	NOUN
ajst-30243	88	33	.	.	PUNCT
ajst-30243	89	1	the	the	DET
ajst-30243	89	2	cumulative	cumulative	ADJ
ajst-30243	89	3	timing	timing	NOUN
ajst-30243	89	4	error	error	NOUN
ajst-30243	89	5	between	between	ADP
ajst-30243	89	6	any	any	DET
ajst-30243	89	7	two	two	NUM
ajst-30243	89	8	nodes	node	NOUN
ajst-30243	89	9	over	over	ADP
ajst-30243	89	10	a	a	DET
ajst-30243	89	11	time	time	NOUN
ajst-30243	89	12	interval	interval	NOUN
ajst-30243	89	13	t	t	PROPN
ajst-30243	89	14	is	be	AUX
ajst-30243	89	15	given	give	VERB
ajst-30243	89	16	by	by	ADP
ajst-30243	89	17	:	:	PUNCT
ajst-30243	89	18	∆𝑡	∆𝑡	PROPN
ajst-30243	89	19	2	2	NUM
ajst-30243	89	20	𝑇	𝑇	PROPN
ajst-30243	89	21	∆𝑓	∆𝑓	NOUN
ajst-30243	89	22	𝑓	𝑓	PRON
ajst-30243	89	23	(	(	PUNCT
ajst-30243	89	24	9	9	NUM
ajst-30243	89	25	)	)	PUNCT
ajst-30243	89	26	here	here	ADV
ajst-30243	89	27	,	,	PUNCT
ajst-30243	89	28	𝑓	𝑓	PRON
ajst-30243	89	29	is	be	AUX
ajst-30243	89	30	the	the	DET
ajst-30243	89	31	nominal	nominal	ADJ
ajst-30243	89	32	oscillation	oscillation	NOUN
ajst-30243	89	33	frequency	frequency	NOUN
ajst-30243	89	34	of	of	ADP
ajst-30243	89	35	the	the	DET
ajst-30243	89	36	crystal	crystal	NOUN
ajst-30243	89	37	,	,	PUNCT
ajst-30243	89	38	and	and	CCONJ
ajst-30243	89	39	∆𝑓	∆𝑓	PROPN
ajst-30243	89	40	denotes	denote	NOUN
ajst-30243	89	41	its	its	PRON
ajst-30243	89	42	maximum	maximum	ADJ
ajst-30243	89	43	frequency	frequency	NOUN
ajst-30243	89	44	deviation	deviation	NOUN
ajst-30243	89	45	.	.	PUNCT
ajst-30243	90	1	for	for	ADP
ajst-30243	90	2	a	a	DET
ajst-30243	90	3	sampling	sample	VERB
ajst-30243	90	4	rate	rate	NOUN
ajst-30243	90	5	ff	ff	NOUN
ajst-30243	90	6	,	,	PUNCT
ajst-30243	90	7	the	the	DET
ajst-30243	90	8	time	time	NOUN
ajst-30243	90	9	difference	difference	NOUN
ajst-30243	90	10	∆𝑇	∆𝑇	PROPN
ajst-30243	90	11	for	for	ADP
ajst-30243	90	12	each	each	DET
ajst-30243	90	13	data	datum	NOUN
ajst-30243	90	14	point	point	NOUN
ajst-30243	90	15	is	be	AUX
ajst-30243	90	16	expressed	express	VERB
ajst-30243	90	17	as	as	ADP
ajst-30243	90	18	:	:	PUNCT
ajst-30243	90	19	∆𝑇	∆𝑇	PROPN
ajst-30243	90	20	1	1	NUM
ajst-30243	90	21	∆𝑡	∆𝑡	PROPN
ajst-30243	90	22	𝐹	𝐹	PROPN
ajst-30243	90	23	(	(	PUNCT
ajst-30243	90	24	10	10	NUM
ajst-30243	90	25	)	)	PUNCT
ajst-30243	90	26	this	this	DET
ajst-30243	90	27	study	study	NOUN
ajst-30243	90	28	employs	employ	VERB
ajst-30243	90	29	a	a	DET
ajst-30243	90	30	temporal	temporal	ADJ
ajst-30243	90	31	interpolation	interpolation	NOUN
ajst-30243	90	32	method	method	NOUN
ajst-30243	90	33	to	to	PART
ajst-30243	90	34	ensure	ensure	VERB
ajst-30243	90	35	precise	precise	ADJ
ajst-30243	90	36	temporal	temporal	ADJ
ajst-30243	90	37	alignment	alignment	NOUN
ajst-30243	90	38	of	of	ADP
ajst-30243	90	39	data	datum	NOUN
ajst-30243	90	40	points	point	NOUN
ajst-30243	90	41	.	.	PUNCT
ajst-30243	91	1	by	by	ADP
ajst-30243	91	2	leveraging	leverage	VERB
ajst-30243	91	3	gps	gps	NOUN
ajst-30243	91	4	timestamps	timestamp	NOUN
ajst-30243	91	5	,	,	PUNCT
ajst-30243	91	6	the	the	DET
ajst-30243	91	7	seismic	seismic	ADJ
ajst-30243	91	8	data	datum	NOUN
ajst-30243	91	9	stream	stream	NOUN
ajst-30243	91	10	is	be	AUX
ajst-30243	91	11	calibrated	calibrate	VERB
ajst-30243	91	12	.	.	PUNCT
ajst-30243	92	1	gps	gps	NOUN
ajst-30243	92	2	snapshots	snapshot	NOUN
ajst-30243	92	3	are	be	AUX
ajst-30243	92	4	utilized	utilize	VERB
ajst-30243	92	5	to	to	PART
ajst-30243	92	6	adjust	adjust	VERB
ajst-30243	92	7	the	the	DET
ajst-30243	92	8	tcxo	tcxo	NOUN
ajst-30243	92	9	when	when	SCONJ
ajst-30243	92	10	the	the	DET
ajst-30243	92	11	time	time	NOUN
ajst-30243	92	12	deviation	deviation	NOUN
ajst-30243	92	13	across	across	ADP
ajst-30243	92	14	multiple	multiple	ADJ
ajst-30243	92	15	nodes	node	NOUN
ajst-30243	92	16	does	do	AUX
ajst-30243	92	17	not	not	PART
ajst-30243	92	18	exceed	exceed	VERB
ajst-30243	92	19	a	a	DET
ajst-30243	92	20	single	single	ADJ
ajst-30243	92	21	data	data	NOUN
ajst-30243	92	22	point	point	NOUN
ajst-30243	92	23	interval	interval	NOUN
ajst-30243	92	24	.	.	PUNCT
ajst-30243	93	1	following	follow	VERB
ajst-30243	93	2	seismic	seismic	ADJ
ajst-30243	93	3	data	datum	NOUN
ajst-30243	93	4	acquisition	acquisition	NOUN
ajst-30243	93	5	,	,	PUNCT
ajst-30243	93	6	these	these	DET
ajst-30243	93	7	gps	gps	NOUN
ajst-30243	93	8	snapshots	snapshot	NOUN
ajst-30243	93	9	enable	enable	VERB
ajst-30243	93	10	accurate	accurate	ADJ
ajst-30243	93	11	segmentation	segmentation	NOUN
ajst-30243	93	12	of	of	ADP
ajst-30243	93	13	the	the	DET
ajst-30243	93	14	data	datum	NOUN
ajst-30243	93	15	,	,	PUNCT
ajst-30243	93	16	capitalizing	capitalize	VERB
ajst-30243	93	17	on	on	ADP
ajst-30243	93	18	the	the	DET
ajst-30243	93	19	high	high	ADJ
ajst-30243	93	20	-	-	PUNCT
ajst-30243	93	21	precision	precision	NOUN
ajst-30243	93	22	timing	timing	NOUN
ajst-30243	93	23	of	of	ADP
ajst-30243	93	24	gps	gps	PROPN
ajst-30243	93	25	to	to	PART
ajst-30243	93	26	guarantee	guarantee	VERB
ajst-30243	93	27	strict	strict	ADJ
ajst-30243	93	28	alignment	alignment	NOUN
ajst-30243	93	29	of	of	ADP
ajst-30243	93	30	targeted	target	VERB
ajst-30243	93	31	seismic	seismic	ADJ
ajst-30243	93	32	data	datum	NOUN
ajst-30243	93	33	segments	segment	NOUN
ajst-30243	93	34	.	.	PUNCT
ajst-30243	94	1	the	the	DET
ajst-30243	94	2	success	success	NOUN
ajst-30243	94	3	of	of	ADP
ajst-30243	94	4	this	this	DET
ajst-30243	94	5	approach	approach	NOUN
ajst-30243	94	6	hinges	hinge	NOUN
ajst-30243	94	7	on	on	ADP
ajst-30243	94	8	selecting	select	VERB
ajst-30243	94	9	the	the	DET
ajst-30243	94	10	optimal	optimal	ADJ
ajst-30243	94	11	timing	timing	NOUN
ajst-30243	94	12	for	for	ADP
ajst-30243	94	13	gps	gps	NOUN
ajst-30243	94	14	snapshots	snapshot	NOUN
ajst-30243	94	15	.	.	PUNCT
ajst-30243	95	1	the	the	DET
ajst-30243	95	2	nodal	nodal	NOUN
ajst-30243	95	3	microseismic	microseismic	ADJ
ajst-30243	95	4	acquisition	acquisition	NOUN
ajst-30243	95	5	device	device	NOUN
ajst-30243	95	6	adopts	adopt	VERB
ajst-30243	95	7	the	the	DET
ajst-30243	95	8	ubx	ubx	ADJ
ajst-30243	95	9	protocol	protocol	NOUN
ajst-30243	95	10	as	as	ADP
ajst-30243	95	11	its	its	PRON
ajst-30243	95	12	message	message	NOUN
ajst-30243	95	13	output	output	NOUN
ajst-30243	95	14	format	format	NOUN
ajst-30243	95	15	[	[	X
ajst-30243	95	16	11	11	NUM
ajst-30243	95	17	]	]	PUNCT
ajst-30243	95	18	.	.	PUNCT
ajst-30243	96	1	the	the	DET
ajst-30243	96	2	system	system	NOUN
ajst-30243	96	3	transmits	transmit	VERB
ajst-30243	96	4	ubx	ubx	ADJ
ajst-30243	96	5	commands	command	NOUN
ajst-30243	96	6	via	via	ADP
ajst-30243	96	7	the	the	DET
ajst-30243	96	8	controller	controller	NOUN
ajst-30243	96	9	to	to	PART
ajst-30243	96	10	activate	activate	VERB
ajst-30243	96	11	the	the	DET
ajst-30243	96	12	gps	gps	NOUN
ajst-30243	96	13	,	,	PUNCT
ajst-30243	96	14	enabling	enable	VERB
ajst-30243	96	15	it	it	PRON
ajst-30243	96	16	to	to	PART
ajst-30243	96	17	provide	provide	VERB
ajst-30243	96	18	timestamps	timestamp	NOUN
ajst-30243	96	19	for	for	ADP
ajst-30243	96	20	sleep	sleep	NOUN
ajst-30243	96	21	and	and	CCONJ
ajst-30243	96	22	wakeup	wakeup	VERB
ajst-30243	96	23	cycles	cycle	NOUN
ajst-30243	96	24	.	.	PUNCT
ajst-30243	97	1	during	during	ADP
ajst-30243	97	2	cycle	cycle	NOUN
ajst-30243	97	3	synchronization	synchronization	NOUN
ajst-30243	97	4	,	,	PUNCT
ajst-30243	97	5	the	the	DET
ajst-30243	97	6	gps	gps	PROPN
ajst-30243	97	7	is	be	AUX
ajst-30243	97	8	awakened	awaken	VERB
ajst-30243	97	9	prior	prior	ADV
ajst-30243	97	10	to	to	ADP
ajst-30243	97	11	time	time	NOUN
ajst-30243	97	12	service	service	NOUN
ajst-30243	97	13	provision	provision	NOUN
ajst-30243	97	14	to	to	PART
ajst-30243	97	15	prevent	prevent	VERB
ajst-30243	97	16	the	the	DET
ajst-30243	97	17	loss	loss	NOUN
ajst-30243	97	18	of	of	ADP
ajst-30243	97	19	sample	sample	NOUN
ajst-30243	97	20	points	point	NOUN
ajst-30243	97	21	.	.	PUNCT
ajst-30243	98	1	triggering	trigger	VERB
ajst-30243	98	2	the	the	DET
ajst-30243	98	3	synchronization	synchronization	NOUN
ajst-30243	98	4	time	time	NOUN
ajst-30243	98	5	is	be	AUX
ajst-30243	98	6	a	a	DET
ajst-30243	98	7	critical	critical	ADJ
ajst-30243	98	8	step	step	NOUN
ajst-30243	98	9	in	in	ADP
ajst-30243	98	10	the	the	DET
ajst-30243	98	11	time	time	NOUN
ajst-30243	98	12	synchronization	synchronization	NOUN
ajst-30243	98	13	process	process	NOUN
ajst-30243	98	14	,	,	PUNCT
ajst-30243	98	15	and	and	CCONJ
ajst-30243	98	16	since	since	SCONJ
ajst-30243	98	17	the	the	DET
ajst-30243	98	18	local	local	ADJ
ajst-30243	98	19	timestamp	timestamp	NOUN
ajst-30243	98	20	is	be	AUX
ajst-30243	98	21	derived	derive	VERB
ajst-30243	98	22	from	from	ADP
ajst-30243	98	23	the	the	DET
ajst-30243	98	24	gps	gps	PROPN
ajst-30243	98	25	timestamp	timestamp	NOUN
ajst-30243	98	26	using	use	VERB
ajst-30243	98	27	two	two	NUM
ajst-30243	98	28	parameters	parameter	NOUN
ajst-30243	98	29	(	(	PUNCT
ajst-30243	98	30	gps	gps	PROPN
ajst-30243	98	31	week	week	NOUN
ajst-30243	98	32	number	number	NOUN
ajst-30243	98	33	and	and	CCONJ
ajst-30243	98	34	the	the	DET
ajst-30243	98	35	number	number	NOUN
ajst-30243	98	36	of	of	ADP
ajst-30243	98	37	milliseconds	millisecond	NOUN
ajst-30243	98	38	in	in	ADP
ajst-30243	98	39	the	the	DET
ajst-30243	98	40	current	current	ADJ
ajst-30243	98	41	week	week	NOUN
ajst-30243	98	42	)	)	PUNCT
ajst-30243	98	43	,	,	PUNCT
ajst-30243	98	44	it	it	PRON
ajst-30243	98	45	is	be	AUX
ajst-30243	98	46	crucial	crucial	ADJ
ajst-30243	98	47	to	to	PART
ajst-30243	98	48	record	record	NOUN
ajst-30243	98	49	synchronization	synchronization	NOUN
ajst-30243	98	50	information	information	NOUN
ajst-30243	98	51	with	with	ADP
ajst-30243	98	52	high	high	ADJ
ajst-30243	98	53	precision	precision	NOUN
ajst-30243	98	54	[	[	X
ajst-30243	98	55	12	12	NUM
ajst-30243	98	56	]	]	PUNCT
ajst-30243	98	57	.	.	PUNCT
ajst-30243	99	1	to	to	PART
ajst-30243	99	2	address	address	VERB
ajst-30243	99	3	this	this	PRON
ajst-30243	99	4	,	,	PUNCT
ajst-30243	99	5	a	a	DET
ajst-30243	99	6	one	one	NUM
ajst-30243	99	7	-	-	PUNCT
ajst-30243	99	8	second	second	NOUN
ajst-30243	99	9	time	time	NOUN
ajst-30243	99	10	sequence	sequence	NOUN
ajst-30243	99	11	,	,	PUNCT
ajst-30243	99	12	positioned	position	VERB
ajst-30243	99	13	between	between	ADP
ajst-30243	99	14	consecutive	consecutive	ADJ
ajst-30243	99	15	one	one	NUM
ajst-30243	99	16	-	-	PUNCT
ajst-30243	99	17	second	second	NOUN
ajst-30243	99	18	pulse	pulse	NOUN
ajst-30243	99	19	-	-	PUNCT
ajst-30243	99	20	per	per	ADP
ajst-30243	99	21	-	-	PUNCT
ajst-30243	99	22	second	second	NOUN
ajst-30243	99	23	(	(	PUNCT
ajst-30243	99	24	pps	pps	NOUN
ajst-30243	99	25	)	)	PUNCT
ajst-30243	99	26	signals	signal	NOUN
ajst-30243	99	27	,	,	PUNCT
ajst-30243	99	28	was	be	AUX
ajst-30243	99	29	designed	design	VERB
ajst-30243	99	30	in	in	ADP
ajst-30243	99	31	this	this	DET
ajst-30243	99	32	study	study	NOUN
ajst-30243	99	33	,	,	PUNCT
ajst-30243	99	34	as	as	SCONJ
ajst-30243	99	35	illustrated	illustrate	VERB
ajst-30243	99	36	in	in	ADP
ajst-30243	99	37	figure	figure	NOUN
ajst-30243	99	38	6	6	NUM
ajst-30243	99	39	.	.	PUNCT
ajst-30243	99	40	system	system	NOUN
ajst-30243	99	41	 	 	SPACE
ajst-30243	99	42	clock	clock	NOUN
ajst-30243	99	43	sync	sync	NOUN
ajst-30243	99	44	dout	dout	PROPN
ajst-30243	99	45	settled	settle	VERB
ajst-30243	99	46	 	 	SPACE
ajst-30243	99	47	data	datum	NOUN
ajst-30243	99	48	tclk	tclk	NOUN
ajst-30243	99	49	1	1	NUM
ajst-30243	99	50	/	/	SYM
ajst-30243	99	51	fdata	fdata	PROPN
ajst-30243	99	52	tsync	tsync	NOUN
ajst-30243	99	53	drdy	drdy	VERB
ajst-30243	99	54	410	410	NUM
ajst-30243	99	55	figure	figure	NOUN
ajst-30243	99	56	6	6	NUM
ajst-30243	99	57	.	.	PUNCT
ajst-30243	100	1	one	one	NUM
ajst-30243	100	2	-	-	PUNCT
ajst-30243	100	3	second	second	NOUN
ajst-30243	100	4	time	time	NOUN
ajst-30243	100	5	sequence	sequence	NOUN
ajst-30243	100	6	diagram	diagram	NOUN
ajst-30243	100	7	.	.	PUNCT
ajst-30243	101	1	the	the	DET
ajst-30243	101	2	time	time	NOUN
ajst-30243	101	3	sequence	sequence	NOUN
ajst-30243	101	4	𝑇	𝑇	PROPN
ajst-30243	101	5	corresponds	correspond	VERB
ajst-30243	101	6	to	to	ADP
ajst-30243	101	7	the	the	DET
ajst-30243	101	8	gps	gps	PROPN
ajst-30243	101	9	serial	serial	ADJ
ajst-30243	101	10	data	datum	NOUN
ajst-30243	101	11	output	output	NOUN
ajst-30243	101	12	interrupt	interrupt	ADJ
ajst-30243	101	13	,	,	PUNCT
ajst-30243	101	14	while	while	SCONJ
ajst-30243	101	15	𝑇	𝑇	PROPN
ajst-30243	101	16	represents	represent	VERB
ajst-30243	101	17	the	the	DET
ajst-30243	101	18	pps	pps	PROPN
ajst-30243	101	19	interrupt	interrupt	ADJ
ajst-30243	101	20	event	event	NOUN
ajst-30243	101	21	.	.	PUNCT
ajst-30243	102	1	as	as	SCONJ
ajst-30243	102	2	the	the	DET
ajst-30243	102	3	rising	rise	VERB
ajst-30243	102	4	edge	edge	NOUN
ajst-30243	102	5	of	of	ADP
ajst-30243	102	6	the	the	DET
ajst-30243	102	7	gps	gps	PROPN
ajst-30243	102	8	receiver	receiver	NOUN
ajst-30243	102	9	's	's	PART
ajst-30243	102	10	pps	pps	NOUN
ajst-30243	102	11	pulse	pulse	NOUN
ajst-30243	102	12	marks	mark	VERB
ajst-30243	102	13	the	the	DET
ajst-30243	102	14	start	start	NOUN
ajst-30243	102	15	of	of	ADP
ajst-30243	102	16	a	a	DET
ajst-30243	102	17	second	second	ADJ
ajst-30243	102	18	,	,	PUNCT
ajst-30243	102	19	the	the	DET
ajst-30243	102	20	gps	gps	PROPN
ajst-30243	102	21	serial	serial	VERB
ajst-30243	102	22	interrupt	interrupt	ADJ
ajst-30243	102	23	time	time	NOUN
ajst-30243	102	24	is	be	AUX
ajst-30243	102	25	denoted	denote	VERB
ajst-30243	102	26	as	as	ADP
ajst-30243	102	27	𝑇	𝑇	PROPN
ajst-30243	102	28	𝑛𝑛	𝑛𝑛	NOUN
ajst-30243	102	29	:	:	PUNCT
ajst-30243	102	30	𝑚𝑚	𝑚𝑚	ADV
ajst-30243	102	31	,	,	PUNCT
ajst-30243	102	32	with	with	ADP
ajst-30243	102	33	a	a	DET
ajst-30243	102	34	timing	timing	NOUN
ajst-30243	102	35	sequence	sequence	NOUN
ajst-30243	102	36	duration	duration	NOUN
ajst-30243	102	37	of	of	ADP
ajst-30243	102	38	1	1	NUM
ajst-30243	102	39	second	second	ADJ
ajst-30243	102	40	,	,	PUNCT
ajst-30243	102	41	recorded	record	VERB
ajst-30243	102	42	as	as	ADP
ajst-30243	102	43	𝑇	𝑇	PROPN
ajst-30243	102	44	𝑛𝑛	𝑛𝑛	NOUN
ajst-30243	102	45	:	:	PUNCT
ajst-30243	102	46	𝑚𝑚	𝑚𝑚	ADP
ajst-30243	102	47	1000	1000	NUM
ajst-30243	102	48	.	.	PUNCT
ajst-30243	103	1	this	this	PRON
ajst-30243	103	2	ensures	ensure	VERB
ajst-30243	103	3	that	that	SCONJ
ajst-30243	103	4	each	each	DET
ajst-30243	103	5	pps	pps	NOUN
ajst-30243	103	6	interrupt	interrupt	ADJ
ajst-30243	103	7	aligns	align	VERB
ajst-30243	103	8	with	with	ADP
ajst-30243	103	9	the	the	DET
ajst-30243	103	10	same	same	ADJ
ajst-30243	103	11	gps	gps	NOUN
ajst-30243	103	12	information	information	NOUN
ajst-30243	103	13	,	,	PUNCT
ajst-30243	103	14	without	without	ADP
ajst-30243	103	15	disrupting	disrupt	VERB
ajst-30243	103	16	the	the	DET
ajst-30243	103	17	main	main	ADJ
ajst-30243	103	18	program	program	NOUN
ajst-30243	103	19	's	's	PART
ajst-30243	103	20	seismic	seismic	ADJ
ajst-30243	103	21	data	datum	NOUN
ajst-30243	103	22	recording	recording	NOUN
ajst-30243	103	23	.	.	PUNCT
ajst-30243	104	1	4	4	X
ajst-30243	104	2	.	.	X
ajst-30243	104	3	experiments	experiment	NOUN
ajst-30243	104	4	and	and	CCONJ
ajst-30243	104	5	analysis	analysis	NOUN
ajst-30243	104	6	to	to	PART
ajst-30243	104	7	evaluate	evaluate	VERB
ajst-30243	104	8	the	the	DET
ajst-30243	104	9	performance	performance	NOUN
ajst-30243	104	10	of	of	ADP
ajst-30243	104	11	the	the	DET
ajst-30243	104	12	designed	design	VERB
ajst-30243	104	13	data	datum	NOUN
ajst-30243	104	14	acquisition	acquisition	NOUN
ajst-30243	104	15	instrument	instrument	NOUN
ajst-30243	104	16	,	,	PUNCT
ajst-30243	104	17	tests	test	NOUN
ajst-30243	104	18	were	be	AUX
ajst-30243	104	19	conducted	conduct	VERB
ajst-30243	104	20	on	on	ADP
ajst-30243	104	21	low	low	ADJ
ajst-30243	104	22	-	-	PUNCT
ajst-30243	104	23	noise	noise	NOUN
ajst-30243	104	24	acquisition	acquisition	NOUN
ajst-30243	104	25	technology	technology	NOUN
ajst-30243	104	26	and	and	CCONJ
ajst-30243	104	27	high	high	ADJ
ajst-30243	104	28	-	-	PUNCT
ajst-30243	104	29	precision	precision	NOUN
ajst-30243	104	30	time	time	NOUN
ajst-30243	104	31	synchronization	synchronization	NOUN
ajst-30243	104	32	technology	technology	NOUN
ajst-30243	104	33	.	.	PUNCT
ajst-30243	105	1	a.	a.	PROPN
ajst-30243	105	2	low	low	PROPN
ajst-30243	105	3	noise	noise	PROPN
ajst-30243	105	4	acquisition	acquisition	NOUN
ajst-30243	105	5	test	test	NOUN
ajst-30243	105	6	the	the	DET
ajst-30243	105	7	equivalent	equivalent	ADJ
ajst-30243	105	8	input	input	NOUN
ajst-30243	105	9	noise	noise	NOUN
ajst-30243	105	10	of	of	ADP
ajst-30243	105	11	a	a	DET
ajst-30243	105	12	nodal	nodal	NOUN
ajst-30243	105	13	microseismic	microseismic	ADJ
ajst-30243	105	14	acquisition	acquisition	NOUN
ajst-30243	105	15	device	device	NOUN
ajst-30243	105	16	is	be	AUX
ajst-30243	105	17	strongly	strongly	ADV
ajst-30243	105	18	influenced	influence	VERB
ajst-30243	105	19	by	by	ADP
ajst-30243	105	20	its	its	PRON
ajst-30243	105	21	preamplifier	preamplifier	NOUN
ajst-30243	105	22	gain	gain	NOUN
ajst-30243	105	23	and	and	CCONJ
ajst-30243	105	24	the	the	DET
ajst-30243	105	25	measured	measured	ADJ
ajst-30243	105	26	noise	noise	NOUN
ajst-30243	105	27	voltage	voltage	NOUN
ajst-30243	105	28	,	,	PUNCT
ajst-30243	105	29	which	which	PRON
ajst-30243	105	30	is	be	AUX
ajst-30243	105	31	approximated	approximate	VERB
ajst-30243	105	32	by	by	ADP
ajst-30243	105	33	converting	convert	VERB
ajst-30243	105	34	the	the	DET
ajst-30243	105	35	output	output	NOUN
ajst-30243	105	36	voltage	voltage	NOUN
ajst-30243	105	37	to	to	ADP
ajst-30243	105	38	the	the	DET
ajst-30243	105	39	input	input	NOUN
ajst-30243	105	40	level	level	NOUN
ajst-30243	105	41	.	.	PUNCT
ajst-30243	106	1	following	follow	VERB
ajst-30243	106	2	selfcorrection	selfcorrection	NOUN
ajst-30243	106	3	for	for	ADP
ajst-30243	106	4	dc	dc	PROPN
ajst-30243	106	5	drift	drift	NOUN
ajst-30243	106	6	,	,	PUNCT
ajst-30243	106	7	the	the	DET
ajst-30243	106	8	equivalent	equivalent	ADJ
ajst-30243	106	9	input	input	NOUN
ajst-30243	106	10	noise	noise	NOUN
ajst-30243	106	11	of	of	ADP
ajst-30243	106	12	the	the	DET
ajst-30243	106	13	device	device	NOUN
ajst-30243	106	14	is	be	AUX
ajst-30243	106	15	calculated	calculate	VERB
ajst-30243	106	16	as	as	SCONJ
ajst-30243	106	17	described	describe	VERB
ajst-30243	106	18	in	in	ADP
ajst-30243	106	19	equation	equation	NOUN
ajst-30243	106	20	11	11	NUM
ajst-30243	106	21	.	.	PUNCT
ajst-30243	107	1	𝑉	𝑉	PROPN
ajst-30243	107	2	1	1	NUM
ajst-30243	107	3	𝐺	𝐺	NOUN
ajst-30243	107	4	1	1	NUM
ajst-30243	107	5	𝑛	𝑛	PRON
ajst-30243	107	6	𝑋	𝑋	PROPN
ajst-30243	107	7	1	1	NUM
ajst-30243	107	8	𝑛	𝑛	PROPN
ajst-30243	107	9	𝑋	𝑋	PROPN
ajst-30243	107	10	(	(	PUNCT
ajst-30243	107	11	11	11	NUM
ajst-30243	107	12	)	)	PUNCT
ajst-30243	107	13	where	where	SCONJ
ajst-30243	107	14	,	,	PUNCT
ajst-30243	107	15	n	n	PRON
ajst-30243	107	16	is	be	AUX
ajst-30243	107	17	the	the	DET
ajst-30243	107	18	number	number	NOUN
ajst-30243	107	19	of	of	ADP
ajst-30243	107	20	sampling	sample	VERB
ajst-30243	107	21	points	point	NOUN
ajst-30243	107	22	,	,	PUNCT
ajst-30243	107	23	generally	generally	ADV
ajst-30243	107	24	take	take	VERB
ajst-30243	107	25	2048	2048	NUM
ajst-30243	107	26	sampling	sampling	NOUN
ajst-30243	107	27	points	point	NOUN
ajst-30243	107	28	,	,	PUNCT
ajst-30243	107	29	𝑋	𝑋	PROPN
ajst-30243	107	30	is	be	AUX
ajst-30243	107	31	the	the	DET
ajst-30243	107	32	voltage	voltage	NOUN
ajst-30243	107	33	value	value	NOUN
ajst-30243	107	34	of	of	ADP
ajst-30243	107	35	the	the	DET
ajst-30243	107	36	ith	ith	NOUN
ajst-30243	107	37	sampling	sampling	NOUN
ajst-30243	107	38	point	point	NOUN
ajst-30243	107	39	,	,	PUNCT
ajst-30243	107	40	g	g	PROPN
ajst-30243	107	41	is	be	AUX
ajst-30243	107	42	the	the	DET
ajst-30243	107	43	amplification	amplification	NOUN
ajst-30243	107	44	.	.	PUNCT
ajst-30243	108	1	to	to	PART
ajst-30243	108	2	measure	measure	VERB
ajst-30243	108	3	short	short	ADJ
ajst-30243	108	4	-	-	PUNCT
ajst-30243	108	5	circuit	circuit	NOUN
ajst-30243	108	6	noise	noise	NOUN
ajst-30243	108	7	,	,	PUNCT
ajst-30243	108	8	the	the	DET
ajst-30243	108	9	input	input	NOUN
ajst-30243	108	10	of	of	ADP
ajst-30243	108	11	the	the	DET
ajst-30243	108	12	acquisition	acquisition	NOUN
ajst-30243	108	13	system	system	NOUN
ajst-30243	108	14	must	must	AUX
ajst-30243	108	15	be	be	AUX
ajst-30243	108	16	short	short	ADV
ajst-30243	108	17	-	-	PUNCT
ajst-30243	108	18	circuited	circuit	VERB
ajst-30243	108	19	.	.	PUNCT
ajst-30243	109	1	the	the	DET
ajst-30243	109	2	noise	noise	NOUN
ajst-30243	109	3	level	level	NOUN
ajst-30243	109	4	test	test	NOUN
ajst-30243	109	5	results	result	NOUN
ajst-30243	109	6	at	at	ADP
ajst-30243	109	7	various	various	ADJ
ajst-30243	109	8	sampling	sample	VERB
ajst-30243	109	9	rates	rate	NOUN
ajst-30243	109	10	are	be	AUX
ajst-30243	109	11	presented	present	VERB
ajst-30243	109	12	in	in	ADP
ajst-30243	109	13	fig	fig	NOUN
ajst-30243	109	14	.	.	PUNCT
ajst-30243	110	1	7c	7c	NOUN
ajst-30243	110	2	.	.	PUNCT
ajst-30243	111	1	the	the	DET
ajst-30243	111	2	shortcircuit	shortcircuit	PROPN
ajst-30243	111	3	noise	noise	NOUN
ajst-30243	111	4	at	at	ADP
ajst-30243	111	5	a	a	DET
ajst-30243	111	6	500	500	NUM
ajst-30243	111	7	hz	hz	ADJ
ajst-30243	111	8	sampling	sample	VERB
ajst-30243	111	9	rate	rate	NOUN
ajst-30243	111	10	and	and	CCONJ
ajst-30243	111	11	0	0	NUM
ajst-30243	111	12	db	db	PROPN
ajst-30243	111	13	gain	gain	NOUN
ajst-30243	111	14	is	be	AUX
ajst-30243	111	15	illustrated	illustrate	VERB
ajst-30243	111	16	in	in	ADP
ajst-30243	111	17	fig	fig	NOUN
ajst-30243	111	18	.	.	PUNCT
ajst-30243	112	1	7a	7a	NUM
ajst-30243	112	2	,	,	PUNCT
ajst-30243	112	3	with	with	ADP
ajst-30243	112	4	its	its	PRON
ajst-30243	112	5	corresponding	correspond	VERB
ajst-30243	112	6	amplitudefrequency	amplitudefrequency	NOUN
ajst-30243	112	7	analysis	analysis	NOUN
ajst-30243	112	8	depicted	depict	VERB
ajst-30243	112	9	in	in	ADP
ajst-30243	112	10	fig	fig	NOUN
ajst-30243	112	11	.	.	PUNCT
ajst-30243	113	1	7b	7b	NOUN
ajst-30243	113	2	.	.	PUNCT
ajst-30243	114	1	figure	figure	NOUN
ajst-30243	114	2	7	7	NUM
ajst-30243	114	3	.	.	PUNCT
ajst-30243	114	4	noise	noise	NOUN
ajst-30243	114	5	level	level	NOUN
ajst-30243	114	6	test	test	NOUN
ajst-30243	114	7	the	the	DET
ajst-30243	114	8	dynamic	dynamic	ADJ
ajst-30243	114	9	range	range	NOUN
ajst-30243	114	10	and	and	CCONJ
ajst-30243	114	11	signal	signal	NOUN
ajst-30243	114	12	-	-	PUNCT
ajst-30243	114	13	to	to	ADP
ajst-30243	114	14	-	-	PUNCT
ajst-30243	114	15	noise	noise	NOUN
ajst-30243	114	16	ratio	ratio	NOUN
ajst-30243	114	17	(	(	PUNCT
ajst-30243	114	18	snr	snr	PROPN
ajst-30243	114	19	)	)	PUNCT
ajst-30243	114	20	are	be	AUX
ajst-30243	114	21	defined	define	VERB
ajst-30243	114	22	as	as	ADP
ajst-30243	114	23	the	the	DET
ajst-30243	114	24	ratio	ratio	NOUN
ajst-30243	114	25	of	of	ADP
ajst-30243	114	26	the	the	DET
ajst-30243	114	27	maximum	maximum	ADJ
ajst-30243	114	28	input	input	NOUN
ajst-30243	114	29	signal	signal	NOUN
ajst-30243	114	30	within	within	ADP
ajst-30243	114	31	the	the	DET
ajst-30243	114	32	system	system	NOUN
ajst-30243	114	33	's	's	PART
ajst-30243	114	34	dynamic	dynamic	ADJ
ajst-30243	114	35	range	range	NOUN
ajst-30243	114	36	to	to	ADP
ajst-30243	114	37	the	the	DET
ajst-30243	114	38	equivalent	equivalent	ADJ
ajst-30243	114	39	input	input	NOUN
ajst-30243	114	40	noise	noise	NOUN
ajst-30243	114	41	,	,	PUNCT
ajst-30243	114	42	expressed	express	VERB
ajst-30243	114	43	as	as	ADP
ajst-30243	114	44	:	:	PUNCT
ajst-30243	114	45	𝐷𝑟	𝐷𝑟	ADJ
ajst-30243	114	46	20𝑙𝑜𝑔	20𝑙𝑜𝑔	NOUN
ajst-30243	114	47	𝑉	𝑉	PROPN
ajst-30243	114	48	𝑉	𝑉	PROPN
ajst-30243	114	49	(	(	PUNCT
ajst-30243	114	50	12	12	NUM
ajst-30243	114	51	)	)	PUNCT
ajst-30243	114	52	in	in	ADP
ajst-30243	114	53	eq.12	eq.12	NOUN
ajst-30243	114	54	,	,	PUNCT
ajst-30243	114	55	𝐷𝑟	𝐷𝑟	PROPN
ajst-30243	114	56	is	be	AUX
ajst-30243	114	57	the	the	DET
ajst-30243	114	58	dynamic	dynamic	ADJ
ajst-30243	114	59	range	range	NOUN
ajst-30243	114	60	of	of	ADP
ajst-30243	114	61	the	the	DET
ajst-30243	114	62	system	system	NOUN
ajst-30243	114	63	,	,	PUNCT
ajst-30243	114	64	𝑉	𝑉	PROPN
ajst-30243	114	65	denotes	denote	VERB
ajst-30243	114	66	the	the	DET
ajst-30243	114	67	maximum	maximum	ADJ
ajst-30243	114	68	undistorted	undistorted	ADJ
ajst-30243	114	69	input	input	NOUN
ajst-30243	114	70	signal	signal	NOUN
ajst-30243	114	71	amplitude	amplitude	NOUN
ajst-30243	114	72	,	,	PUNCT
ajst-30243	114	73	and	and	CCONJ
ajst-30243	114	74	𝑉	𝑉	PROPN
ajst-30243	114	75	corresponds	correspond	VERB
ajst-30243	114	76	to	to	ADP
ajst-30243	114	77	the	the	DET
ajst-30243	114	78	equivalent	equivalent	ADJ
ajst-30243	114	79	input	input	NOUN
ajst-30243	114	80	noise	noise	NOUN
ajst-30243	114	81	value	value	NOUN
ajst-30243	114	82	.	.	PUNCT
ajst-30243	115	1	the	the	DET
ajst-30243	115	2	noise	noise	NOUN
ajst-30243	115	3	level	level	NOUN
ajst-30243	115	4	test	test	NOUN
ajst-30243	115	5	results	result	NOUN
ajst-30243	115	6	and	and	CCONJ
ajst-30243	115	7	dynamic	dynamic	ADJ
ajst-30243	115	8	range	range	NOUN
ajst-30243	115	9	are	be	AUX
ajst-30243	115	10	summarized	summarize	VERB
ajst-30243	115	11	in	in	ADP
ajst-30243	115	12	table	table	NOUN
ajst-30243	115	13	2	2	NUM
ajst-30243	115	14	.	.	PUNCT
ajst-30243	116	1	at	at	ADP
ajst-30243	116	2	a	a	DET
ajst-30243	116	3	sampling	sample	VERB
ajst-30243	116	4	rate	rate	NOUN
ajst-30243	116	5	of	of	ADP
ajst-30243	116	6	500	500	NUM
ajst-30243	116	7	hz	hz	VERB
ajst-30243	116	8	,	,	PUNCT
ajst-30243	116	9	the	the	DET
ajst-30243	116	10	ad	ad	NOUN
ajst-30243	116	11	gain	gain	NOUN
ajst-30243	116	12	ranges	range	VERB
ajst-30243	116	13	from	from	ADP
ajst-30243	116	14	0	0	NUM
ajst-30243	116	15	db	db	NOUN
ajst-30243	116	16	to	to	ADP
ajst-30243	116	17	36	36	NUM
ajst-30243	116	18	db	db	NOUN
ajst-30243	116	19	in	in	ADP
ajst-30243	116	20	6	6	NUM
ajst-30243	116	21	db	db	NOUN
ajst-30243	116	22	increments	increment	NOUN
ajst-30243	116	23	,	,	PUNCT
ajst-30243	116	24	with	with	ADP
ajst-30243	116	25	each	each	DET
ajst-30243	116	26	gain	gain	NOUN
ajst-30243	116	27	level	level	NOUN
ajst-30243	116	28	corresponding	correspond	VERB
ajst-30243	116	29	to	to	ADP
ajst-30243	116	30	a	a	DET
ajst-30243	116	31	distinct	distinct	ADJ
ajst-30243	116	32	maximum	maximum	ADJ
ajst-30243	116	33	input	input	NOUN
ajst-30243	116	34	signal	signal	NOUN
ajst-30243	116	35	.	.	PUNCT
ajst-30243	117	1	at	at	ADP
ajst-30243	117	2	a	a	DET
ajst-30243	117	3	sampling	sample	VERB
ajst-30243	117	4	rate	rate	NOUN
ajst-30243	117	5	of	of	ADP
ajst-30243	117	6	500	500	NUM
ajst-30243	117	7	hz	hz	VERB
ajst-30243	117	8	and	and	CCONJ
ajst-30243	117	9	a	a	DET
ajst-30243	117	10	gain	gain	NOUN
ajst-30243	117	11	of	of	ADP
ajst-30243	117	12	0	0	NUM
ajst-30243	117	13	db	db	PROPN
ajst-30243	117	14	,	,	PUNCT
ajst-30243	117	15	the	the	DET
ajst-30243	117	16	system	system	NOUN
ajst-30243	117	17	exhibits	exhibit	VERB
ajst-30243	117	18	an	an	DET
ajst-30243	117	19	equivalent	equivalent	ADJ
ajst-30243	117	20	noise	noise	NOUN
ajst-30243	117	21	level	level	NOUN
ajst-30243	117	22	of	of	ADP
ajst-30243	117	23	0.8	0.8	NUM
ajst-30243	117	24	μv	μv	NOUN
ajst-30243	117	25	,	,	PUNCT
ajst-30243	117	26	a	a	DET
ajst-30243	117	27	calculated	calculated	ADJ
ajst-30243	117	28	dynamic	dynamic	ADJ
ajst-30243	117	29	range	range	NOUN
ajst-30243	117	30	of	of	ADP
ajst-30243	117	31	126.78	126.78	NUM
ajst-30243	117	32	db	db	PROPN
ajst-30243	117	33	,	,	PUNCT
ajst-30243	117	34	an	an	DET
ajst-30243	117	35	actual	actual	ADJ
ajst-30243	117	36	effective	effective	ADJ
ajst-30243	117	37	bit	bit	NOUN
ajst-30243	117	38	(	(	PUNCT
ajst-30243	117	39	enob	enob	NOUN
ajst-30243	117	40	)	)	PUNCT
ajst-30243	117	41	value	value	NOUN
ajst-30243	117	42	of	of	ADP
ajst-30243	117	43	21.5575	21.5575	NUM
ajst-30243	117	44	,	,	PUNCT
ajst-30243	117	45	and	and	CCONJ
ajst-30243	117	46	a	a	DET
ajst-30243	117	47	signal	signal	NOUN
ajst-30243	117	48	-	-	PUNCT
ajst-30243	117	49	to	to	ADP
ajst-30243	117	50	-	-	PUNCT
ajst-30243	117	51	noise	noise	NOUN
ajst-30243	117	52	ratio	ratio	NOUN
ajst-30243	117	53	(	(	PUNCT
ajst-30243	117	54	snr	snr	PROPN
ajst-30243	117	55	)	)	PUNCT
ajst-30243	117	56	of	of	ADP
ajst-30243	117	57	131.53	131.53	NUM
ajst-30243	117	58	db	db	PROPN
ajst-30243	117	59	,	,	PUNCT
ajst-30243	117	60	all	all	PRON
ajst-30243	117	61	of	of	ADP
ajst-30243	117	62	which	which	PRON
ajst-30243	117	63	satisfy	satisfy	VERB
ajst-30243	117	64	the	the	DET
ajst-30243	117	65	acquisition	acquisition	NOUN
ajst-30243	117	66	system	system	NOUN
ajst-30243	117	67	's	's	PART
ajst-30243	117	68	requirements	requirement	NOUN
ajst-30243	117	69	.	.	PUNCT
ajst-30243	118	1	table	table	NOUN
ajst-30243	118	2	i.	i.	PROPN
ajst-30243	118	3	noise	noise	PROPN
ajst-30243	118	4	level	level	NOUN
ajst-30243	118	5	test	test	NOUN
ajst-30243	118	6	at	at	ADP
ajst-30243	118	7	different	different	ADJ
ajst-30243	118	8	gains	gain	NOUN
ajst-30243	118	9	411	411	NUM
ajst-30243	118	10	b.	b.	PROPN
ajst-30243	118	11	high	high	ADJ
ajst-30243	118	12	-	-	PUNCT
ajst-30243	118	13	precision	precision	NOUN
ajst-30243	118	14	time	time	NOUN
ajst-30243	118	15	synchronization	synchronization	NOUN
ajst-30243	118	16	technology	technology	NOUN
ajst-30243	118	17	test	test	NOUN
ajst-30243	118	18	given	give	VERB
ajst-30243	118	19	that	that	SCONJ
ajst-30243	118	20	the	the	DET
ajst-30243	118	21	phase	phase	NOUN
ajst-30243	118	22	difference	difference	NOUN
ajst-30243	118	23	between	between	ADP
ajst-30243	118	24	the	the	DET
ajst-30243	118	25	master	master	NOUN
ajst-30243	118	26	clocks	clock	NOUN
ajst-30243	118	27	of	of	ADP
ajst-30243	118	28	the	the	DET
ajst-30243	118	29	two	two	NUM
ajst-30243	118	30	sensor	sensor	NOUN
ajst-30243	118	31	nodes	node	NOUN
ajst-30243	118	32	ranges	range	VERB
ajst-30243	118	33	from	from	ADP
ajst-30243	118	34	0	0	NUM
ajst-30243	118	35	°	°	NUM
ajst-30243	118	36	to	to	ADP
ajst-30243	118	37	180	180	NUM
ajst-30243	118	38	°	°	NOUN
ajst-30243	118	39	,	,	PUNCT
ajst-30243	118	40	the	the	DET
ajst-30243	118	41	maximum	maximum	ADJ
ajst-30243	118	42	synchronization	synchronization	NOUN
ajst-30243	118	43	error	error	NOUN
ajst-30243	118	44	following	follow	VERB
ajst-30243	118	45	signal	signal	NOUN
ajst-30243	118	46	synchronization	synchronization	NOUN
ajst-30243	118	47	is	be	AUX
ajst-30243	118	48	equivalent	equivalent	ADJ
ajst-30243	118	49	to	to	ADP
ajst-30243	118	50	one	one	NUM
ajst-30243	118	51	master	master	NOUN
ajst-30243	118	52	clock	clock	NOUN
ajst-30243	118	53	cycle	cycle	NOUN
ajst-30243	118	54	.	.	PUNCT
ajst-30243	119	1	consequently	consequently	ADV
ajst-30243	119	2	,	,	PUNCT
ajst-30243	119	3	the	the	DET
ajst-30243	119	4	synchronization	synchronization	NOUN
ajst-30243	119	5	accuracy	accuracy	NOUN
ajst-30243	119	6	of	of	ADP
ajst-30243	119	7	the	the	DET
ajst-30243	119	8	method	method	NOUN
ajst-30243	119	9	proposed	propose	VERB
ajst-30243	119	10	in	in	ADP
ajst-30243	119	11	this	this	DET
ajst-30243	119	12	study	study	NOUN
ajst-30243	119	13	within	within	ADP
ajst-30243	119	14	the	the	DET
ajst-30243	119	15	data	data	NOUN
ajst-30243	119	16	transmission	transmission	NOUN
ajst-30243	119	17	network	network	NOUN
ajst-30243	119	18	can	can	AUX
ajst-30243	119	19	be	be	AUX
ajst-30243	119	20	expressed	express	VERB
ajst-30243	119	21	as	as	ADP
ajst-30243	119	22	:	:	PUNCT
ajst-30243	119	23	∆𝑡	∆𝑡	PROPN
ajst-30243	119	24	1	1	NUM
ajst-30243	119	25	𝑓	𝑓	PRON
ajst-30243	119	26	𝑡	𝑡	X
ajst-30243	119	27	(	(	PUNCT
ajst-30243	119	28	13	13	NUM
ajst-30243	119	29	)	)	PUNCT
ajst-30243	119	30	here	here	ADV
ajst-30243	119	31	,	,	PUNCT
ajst-30243	119	32	𝑓	𝑓	PRON
ajst-30243	119	33	represents	represent	VERB
ajst-30243	119	34	the	the	DET
ajst-30243	119	35	master	master	NOUN
ajst-30243	119	36	clock	clock	NOUN
ajst-30243	119	37	period	period	NOUN
ajst-30243	119	38	of	of	ADP
ajst-30243	119	39	the	the	DET
ajst-30243	119	40	adc	adc	PROPN
ajst-30243	119	41	,	,	PUNCT
ajst-30243	119	42	and	and	CCONJ
ajst-30243	119	43	𝑡	𝑡	PROPN
ajst-30243	119	44	denotes	denote	VERB
ajst-30243	119	45	the	the	DET
ajst-30243	119	46	gps	gps	PROPN
ajst-30243	119	47	synchronization	synchronization	NOUN
ajst-30243	119	48	error	error	NOUN
ajst-30243	119	49	.	.	PUNCT
ajst-30243	120	1	based	base	VERB
ajst-30243	120	2	on	on	ADP
ajst-30243	120	3	the	the	DET
ajst-30243	120	4	data	data	NOUN
ajst-30243	120	5	acquisition	acquisition	NOUN
ajst-30243	120	6	unit	unit	NOUN
ajst-30243	120	7	specifications	specification	NOUN
ajst-30243	120	8	,	,	PUNCT
ajst-30243	120	9	the	the	DET
ajst-30243	120	10	adc	adc	PROPN
ajst-30243	120	11	's	's	PART
ajst-30243	120	12	master	master	NOUN
ajst-30243	120	13	clock	clock	NOUN
ajst-30243	120	14	frequency	frequency	NOUN
ajst-30243	120	15	is	be	AUX
ajst-30243	120	16	4.096	4.096	NUM
ajst-30243	120	17	mhz	mhz	NOUN
ajst-30243	120	18	,	,	PUNCT
ajst-30243	120	19	with	with	ADP
ajst-30243	120	20	a	a	DET
ajst-30243	120	21	maximum	maximum	ADJ
ajst-30243	120	22	error	error	NOUN
ajst-30243	120	23	of	of	ADP
ajst-30243	120	24	±244	±244	PROPN
ajst-30243	120	25	ns	ns	PROPN
ajst-30243	120	26	.	.	PUNCT
ajst-30243	121	1	thus	thus	ADV
ajst-30243	121	2	,	,	PUNCT
ajst-30243	121	3	the	the	DET
ajst-30243	121	4	synchronization	synchronization	NOUN
ajst-30243	121	5	accuracy	accuracy	NOUN
ajst-30243	121	6	of	of	ADP
ajst-30243	121	7	the	the	DET
ajst-30243	121	8	proposed	propose	VERB
ajst-30243	121	9	method	method	NOUN
ajst-30243	121	10	is	be	AUX
ajst-30243	121	11	±0.344μs	±0.344μs	NUM
ajst-30243	121	12	,	,	PUNCT
ajst-30243	121	13	equivalent	equivalent	ADJ
ajst-30243	121	14	to	to	ADP
ajst-30243	121	15	0.688μs	0.688μs	PROPN
ajst-30243	121	16	.	.	PUNCT
ajst-30243	122	1	furthermore	furthermore	ADV
ajst-30243	122	2	,	,	PUNCT
ajst-30243	122	3	the	the	DET
ajst-30243	122	4	time	time	NOUN
ajst-30243	122	5	and	and	CCONJ
ajst-30243	122	6	the	the	DET
ajst-30243	122	7	number	number	NOUN
ajst-30243	122	8	of	of	ADP
ajst-30243	122	9	sensor	sensor	NOUN
ajst-30243	122	10	nodes	node	NOUN
ajst-30243	122	11	do	do	AUX
ajst-30243	122	12	not	not	PART
ajst-30243	122	13	affect	affect	VERB
ajst-30243	122	14	the	the	DET
ajst-30243	122	15	synchronization	synchronization	NOUN
ajst-30243	122	16	error	error	NOUN
ajst-30243	122	17	.	.	PUNCT
ajst-30243	123	1	in	in	ADP
ajst-30243	123	2	this	this	DET
ajst-30243	123	3	study	study	NOUN
ajst-30243	123	4	,	,	PUNCT
ajst-30243	123	5	experiments	experiment	NOUN
ajst-30243	123	6	1	1	NUM
ajst-30243	123	7	and	and	CCONJ
ajst-30243	123	8	2	2	NUM
ajst-30243	123	9	were	be	AUX
ajst-30243	123	10	designed	design	VERB
ajst-30243	123	11	to	to	PART
ajst-30243	123	12	evaluate	evaluate	VERB
ajst-30243	123	13	the	the	DET
ajst-30243	123	14	performance	performance	NOUN
ajst-30243	123	15	of	of	ADP
ajst-30243	123	16	the	the	DET
ajst-30243	123	17	proposed	propose	VERB
ajst-30243	123	18	time	time	NOUN
ajst-30243	123	19	synchronization	synchronization	NOUN
ajst-30243	123	20	method	method	NOUN
ajst-30243	123	21	.	.	PUNCT
ajst-30243	124	1	fig	fig	NOUN
ajst-30243	124	2	.	.	PUNCT
ajst-30243	125	1	8	8	NUM
ajst-30243	125	2	illustrates	illustrate	VERB
ajst-30243	125	3	the	the	DET
ajst-30243	125	4	schematic	schematic	ADJ
ajst-30243	125	5	diagram	diagram	NOUN
ajst-30243	125	6	of	of	ADP
ajst-30243	125	7	experiment	experiment	NOUN
ajst-30243	125	8	1	1	NUM
ajst-30243	125	9	,	,	PUNCT
ajst-30243	125	10	which	which	PRON
ajst-30243	125	11	focuses	focus	VERB
ajst-30243	125	12	on	on	ADP
ajst-30243	125	13	time	time	NOUN
ajst-30243	125	14	synchronization	synchronization	NOUN
ajst-30243	125	15	stability	stability	NOUN
ajst-30243	125	16	.	.	PUNCT
ajst-30243	126	1	figure	figure	VERB
ajst-30243	126	2	8	8	NUM
ajst-30243	126	3	.	.	NOUN
ajst-30243	126	4	time	time	NOUN
ajst-30243	126	5	synchronization	synchronization	NOUN
ajst-30243	126	6	stability	stability	NOUN
ajst-30243	126	7	test	test	NOUN
ajst-30243	126	8	.	.	PUNCT
ajst-30243	127	1	in	in	ADP
ajst-30243	127	2	the	the	DET
ajst-30243	127	3	test	test	NOUN
ajst-30243	127	4	setup	setup	NOUN
ajst-30243	127	5	,	,	PUNCT
ajst-30243	127	6	the	the	DET
ajst-30243	127	7	pps	pps	NOUN
ajst-30243	127	8	signals	signal	NOUN
ajst-30243	127	9	are	be	AUX
ajst-30243	127	10	generated	generate	VERB
ajst-30243	127	11	by	by	ADP
ajst-30243	127	12	the	the	DET
ajst-30243	127	13	gps	gps	PROPN
ajst-30243	127	14	module	module	NOUN
ajst-30243	127	15	's	's	PART
ajst-30243	127	16	active	active	ADJ
ajst-30243	127	17	antenna	antenna	NOUN
ajst-30243	127	18	.	.	PUNCT
ajst-30243	128	1	ten	ten	NUM
ajst-30243	128	2	acquisition	acquisition	NOUN
ajst-30243	128	3	devices	device	NOUN
ajst-30243	128	4	are	be	AUX
ajst-30243	128	5	randomly	randomly	ADV
ajst-30243	128	6	distributed	distribute	VERB
ajst-30243	128	7	at	at	ADP
ajst-30243	128	8	intervals	interval	NOUN
ajst-30243	128	9	exceeding	exceed	VERB
ajst-30243	128	10	20	20	NUM
ajst-30243	128	11	meters	meter	NOUN
ajst-30243	128	12	,	,	PUNCT
ajst-30243	128	13	as	as	SCONJ
ajst-30243	128	14	depicted	depict	VERB
ajst-30243	128	15	in	in	ADP
ajst-30243	128	16	fig	fig	NOUN
ajst-30243	128	17	.	.	PUNCT
ajst-30243	129	1	9a	9a	NOUN
ajst-30243	129	2	.	.	PUNCT
ajst-30243	130	1	the	the	DET
ajst-30243	130	2	pps	pps	PROPN
ajst-30243	130	3	signal	signal	NOUN
ajst-30243	130	4	waveforms	waveform	NOUN
ajst-30243	130	5	of	of	ADP
ajst-30243	130	6	different	different	ADJ
ajst-30243	130	7	nodes	node	NOUN
ajst-30243	130	8	at	at	ADP
ajst-30243	130	9	various	various	ADJ
ajst-30243	130	10	locations	location	NOUN
ajst-30243	130	11	at	at	ADP
ajst-30243	130	12	20:00	20:00	NUM
ajst-30243	130	13	on	on	ADP
ajst-30243	130	14	a	a	DET
ajst-30243	130	15	specific	specific	ADJ
ajst-30243	130	16	day	day	NOUN
ajst-30243	130	17	exhibit	exhibit	VERB
ajst-30243	130	18	significant	significant	ADJ
ajst-30243	130	19	overlap	overlap	NOUN
ajst-30243	130	20	.	.	PUNCT
ajst-30243	131	1	similarly	similarly	ADV
ajst-30243	131	2	,	,	PUNCT
ajst-30243	131	3	the	the	DET
ajst-30243	131	4	pps	pps	NOUN
ajst-30243	131	5	signal	signal	NOUN
ajst-30243	131	6	waveforms	waveform	NOUN
ajst-30243	131	7	of	of	ADP
ajst-30243	131	8	node	node	ADJ
ajst-30243	131	9	no	no	NOUN
ajst-30243	131	10	.	.	PROPN
ajst-30243	131	11	6	6	NUM
ajst-30243	131	12	at	at	ADP
ajst-30243	131	13	the	the	DET
ajst-30243	131	14	same	same	ADJ
ajst-30243	131	15	time	time	NOUN
ajst-30243	131	16	over	over	ADP
ajst-30243	131	17	a	a	DET
ajst-30243	131	18	20	20	NUM
ajst-30243	131	19	-	-	PUNCT
ajst-30243	131	20	day	day	NOUN
ajst-30243	131	21	period	period	NOUN
ajst-30243	131	22	also	also	ADV
ajst-30243	131	23	demonstrate	demonstrate	VERB
ajst-30243	131	24	substantial	substantial	ADJ
ajst-30243	131	25	overlap	overlap	NOUN
ajst-30243	131	26	,	,	PUNCT
ajst-30243	131	27	as	as	SCONJ
ajst-30243	131	28	shown	show	VERB
ajst-30243	131	29	in	in	ADP
ajst-30243	131	30	fig	fig	NOUN
ajst-30243	131	31	.	.	PUNCT
ajst-30243	132	1	9b	9b	NOUN
ajst-30243	132	2	.	.	PUNCT
ajst-30243	133	1	these	these	DET
ajst-30243	133	2	results	result	NOUN
ajst-30243	133	3	indicate	indicate	VERB
ajst-30243	133	4	that	that	SCONJ
ajst-30243	133	5	the	the	DET
ajst-30243	133	6	time	time	NOUN
ajst-30243	133	7	synchronization	synchronization	NOUN
ajst-30243	133	8	method	method	NOUN
ajst-30243	133	9	exhibits	exhibit	VERB
ajst-30243	133	10	excellent	excellent	ADJ
ajst-30243	133	11	stability	stability	NOUN
ajst-30243	133	12	,	,	PUNCT
ajst-30243	133	13	with	with	ADP
ajst-30243	133	14	performance	performance	NOUN
ajst-30243	133	15	unaffected	unaffected	ADJ
ajst-30243	133	16	by	by	ADP
ajst-30243	133	17	time	time	NOUN
ajst-30243	133	18	.	.	PUNCT
ajst-30243	134	1	figure	figure	NOUN
ajst-30243	134	2	9	9	NUM
ajst-30243	134	3	.	.	PUNCT
ajst-30243	134	4	synchronized	synchronize	VERB
ajst-30243	134	5	stability	stability	NOUN
ajst-30243	134	6	test	test	NOUN
ajst-30243	134	7	.	.	PUNCT
ajst-30243	135	1	the	the	DET
ajst-30243	135	2	second	second	ADJ
ajst-30243	135	3	experiment	experiment	NOUN
ajst-30243	135	4	,	,	PUNCT
ajst-30243	135	5	designed	design	VERB
ajst-30243	135	6	to	to	PART
ajst-30243	135	7	evaluate	evaluate	VERB
ajst-30243	135	8	time	time	NOUN
ajst-30243	135	9	synchronization	synchronization	NOUN
ajst-30243	135	10	stability	stability	NOUN
ajst-30243	135	11	,	,	PUNCT
ajst-30243	135	12	involves	involve	VERB
ajst-30243	135	13	field	field	NOUN
ajst-30243	135	14	testing	testing	NOUN
ajst-30243	135	15	of	of	ADP
ajst-30243	135	16	the	the	DET
ajst-30243	135	17	microseismic	microseismic	ADJ
ajst-30243	135	18	acquisition	acquisition	NOUN
ajst-30243	135	19	system	system	NOUN
ajst-30243	135	20	.	.	PUNCT
ajst-30243	136	1	each	each	DET
ajst-30243	136	2	node	node	NOUN
ajst-30243	136	3	is	be	AUX
ajst-30243	136	4	configured	configure	VERB
ajst-30243	136	5	with	with	ADP
ajst-30243	136	6	a	a	DET
ajst-30243	136	7	sampling	sample	VERB
ajst-30243	136	8	rate	rate	NOUN
ajst-30243	136	9	of	of	ADP
ajst-30243	136	10	1000	1000	NUM
ajst-30243	136	11	hz	hz	VERB
ajst-30243	136	12	and	and	CCONJ
ajst-30243	136	13	a	a	DET
ajst-30243	136	14	gain	gain	NOUN
ajst-30243	136	15	of	of	ADP
ajst-30243	136	16	0	0	NUM
ajst-30243	136	17	db	db	VERB
ajst-30243	136	18	via	via	ADP
ajst-30243	136	19	the	the	DET
ajst-30243	136	20	host	host	NOUN
ajst-30243	136	21	computer	computer	NOUN
ajst-30243	136	22	.	.	PUNCT
ajst-30243	137	1	seventeen	seventeen	NUM
ajst-30243	137	2	acquisition	acquisition	NOUN
ajst-30243	137	3	nodes	node	NOUN
ajst-30243	137	4	are	be	AUX
ajst-30243	137	5	deployed	deploy	VERB
ajst-30243	137	6	in	in	ADP
ajst-30243	137	7	a	a	DET
ajst-30243	137	8	linear	linear	ADJ
ajst-30243	137	9	arrangement	arrangement	NOUN
ajst-30243	137	10	at	at	ADP
ajst-30243	137	11	2.5	2.5	NUM
ajst-30243	137	12	-	-	PUNCT
ajst-30243	137	13	meter	meter	NOUN
ajst-30243	137	14	intervals	interval	NOUN
ajst-30243	137	15	.	.	PUNCT
ajst-30243	138	1	a	a	DET
ajst-30243	138	2	hammer	hammer	NOUN
ajst-30243	138	3	strike	strike	NOUN
ajst-30243	138	4	,	,	PUNCT
ajst-30243	138	5	acting	act	VERB
ajst-30243	138	6	as	as	ADP
ajst-30243	138	7	the	the	DET
ajst-30243	138	8	signal	signal	PROPN
ajst-30243	138	9	source	source	NOUN
ajst-30243	138	10	,	,	PUNCT
ajst-30243	138	11	is	be	AUX
ajst-30243	138	12	placed	place	VERB
ajst-30243	138	13	3	3	NUM
ajst-30243	138	14	meters	meter	NOUN
ajst-30243	138	15	horizontally	horizontally	ADV
ajst-30243	138	16	from	from	ADP
ajst-30243	138	17	the	the	DET
ajst-30243	138	18	central	central	ADJ
ajst-30243	138	19	node	node	NOUN
ajst-30243	138	20	to	to	PART
ajst-30243	138	21	assess	assess	VERB
ajst-30243	138	22	instrument	instrument	NOUN
ajst-30243	138	23	synchronization	synchronization	NOUN
ajst-30243	138	24	performance	performance	NOUN
ajst-30243	138	25	,	,	PUNCT
ajst-30243	138	26	as	as	SCONJ
ajst-30243	138	27	shown	show	VERB
ajst-30243	138	28	in	in	ADP
ajst-30243	138	29	fig.10a	fig.10a	PROPN
ajst-30243	138	30	.	.	PUNCT
ajst-30243	139	1	the	the	DET
ajst-30243	139	2	hammering	hammering	NOUN
ajst-30243	139	3	test	test	NOUN
ajst-30243	139	4	results	result	NOUN
ajst-30243	139	5	are	be	AUX
ajst-30243	139	6	presented	present	VERB
ajst-30243	139	7	in	in	ADP
ajst-30243	139	8	fig.10b	fig.10b	NOUN
ajst-30243	139	9	.	.	PUNCT
ajst-30243	140	1	the	the	DET
ajst-30243	140	2	delay	delay	NOUN
ajst-30243	140	3	intervals	interval	NOUN
ajst-30243	140	4	of	of	ADP
ajst-30243	140	5	the	the	DET
ajst-30243	140	6	seismic	seismic	ADJ
ajst-30243	140	7	direct	direct	ADJ
ajst-30243	140	8	waves	wave	NOUN
ajst-30243	140	9	recorded	record	VERB
ajst-30243	140	10	by	by	ADP
ajst-30243	140	11	all	all	DET
ajst-30243	140	12	acquisition	acquisition	NOUN
ajst-30243	140	13	nodes	node	NOUN
ajst-30243	140	14	are	be	AUX
ajst-30243	140	15	consistent	consistent	ADJ
ajst-30243	140	16	,	,	PUNCT
ajst-30243	140	17	demonstrating	demonstrate	VERB
ajst-30243	140	18	the	the	DET
ajst-30243	140	19	excellent	excellent	ADJ
ajst-30243	140	20	stability	stability	NOUN
ajst-30243	140	21	of	of	ADP
ajst-30243	140	22	the	the	DET
ajst-30243	140	23	time	time	NOUN
ajst-30243	140	24	synchronization	synchronization	NOUN
ajst-30243	140	25	method	method	NOUN
ajst-30243	140	26	proposed	propose	VERB
ajst-30243	140	27	in	in	ADP
ajst-30243	140	28	this	this	DET
ajst-30243	140	29	study	study	NOUN
ajst-30243	140	30	.	.	PUNCT
ajst-30243	141	1	412	412	NUM
ajst-30243	141	2	figure	figure	NOUN
ajst-30243	141	3	10	10	NUM
ajst-30243	141	4	.	.	PUNCT
ajst-30243	142	1	performance	performance	NOUN
ajst-30243	142	2	evaluation	evaluation	NOUN
ajst-30243	142	3	of	of	ADP
ajst-30243	142	4	time	time	NOUN
ajst-30243	142	5	synchronization	synchronization	NOUN
ajst-30243	142	6	for	for	ADP
ajst-30243	142	7	nodal	nodal	NOUN
ajst-30243	142	8	systems	system	NOUN
ajst-30243	142	9	using	use	VERB
ajst-30243	142	10	intermediate	intermediate	ADJ
ajst-30243	142	11	hammer	hammer	NOUN
ajst-30243	142	12	strike	strike	NOUN
ajst-30243	142	13	sources	source	NOUN
ajst-30243	142	14	.	.	PUNCT
ajst-30243	143	1	5	5	X
ajst-30243	143	2	.	.	X
ajst-30243	143	3	conclusion	conclusion	NOUN
ajst-30243	143	4	a	a	DET
ajst-30243	143	5	low	low	ADJ
ajst-30243	143	6	-	-	PUNCT
ajst-30243	143	7	noise	noise	NOUN
ajst-30243	143	8	high	high	ADJ
ajst-30243	143	9	-	-	PUNCT
ajst-30243	143	10	precision	precision	NOUN
ajst-30243	143	11	weak	weak	ADJ
ajst-30243	143	12	seismic	seismic	ADJ
ajst-30243	143	13	signal	signal	NOUN
ajst-30243	143	14	acquisition	acquisition	NOUN
ajst-30243	143	15	system	system	NOUN
ajst-30243	143	16	and	and	CCONJ
ajst-30243	143	17	a	a	DET
ajst-30243	143	18	high	high	ADJ
ajst-30243	143	19	-	-	PUNCT
ajst-30243	143	20	precision	precision	NOUN
ajst-30243	143	21	time	time	NOUN
ajst-30243	143	22	synchronization	synchronization	NOUN
ajst-30243	143	23	method	method	NOUN
ajst-30243	143	24	are	be	AUX
ajst-30243	143	25	investigated	investigate	VERB
ajst-30243	143	26	.	.	PUNCT
ajst-30243	144	1	the	the	DET
ajst-30243	144	2	high	high	ADJ
ajst-30243	144	3	-	-	PUNCT
ajst-30243	144	4	precision	precision	NOUN
ajst-30243	144	5	data	datum	NOUN
ajst-30243	144	6	acquisition	acquisition	NOUN
ajst-30243	144	7	channel	channel	NOUN
ajst-30243	144	8	is	be	AUX
ajst-30243	144	9	designed	design	VERB
ajst-30243	144	10	according	accord	VERB
ajst-30243	144	11	to	to	ADP
ajst-30243	144	12	the	the	DET
ajst-30243	144	13	minimum	minimum	NOUN
ajst-30243	144	14	noise	noise	NOUN
ajst-30243	144	15	source	source	NOUN
ajst-30243	144	16	impedance	impedance	NOUN
ajst-30243	144	17	matching	matching	NOUN
ajst-30243	144	18	technique	technique	NOUN
ajst-30243	144	19	,	,	PUNCT
ajst-30243	144	20	and	and	CCONJ
ajst-30243	144	21	after	after	ADP
ajst-30243	144	22	the	the	DET
ajst-30243	144	23	technical	technical	ADJ
ajst-30243	144	24	index	index	NOUN
ajst-30243	144	25	test	test	NOUN
ajst-30243	144	26	,	,	PUNCT
ajst-30243	144	27	the	the	DET
ajst-30243	144	28	short	short	ADJ
ajst-30243	144	29	-	-	PUNCT
ajst-30243	144	30	circuit	circuit	NOUN
ajst-30243	144	31	noise	noise	NOUN
ajst-30243	144	32	level	level	NOUN
ajst-30243	144	33	of	of	ADP
ajst-30243	144	34	the	the	DET
ajst-30243	144	35	acquisition	acquisition	NOUN
ajst-30243	144	36	system	system	NOUN
ajst-30243	144	37	is	be	AUX
ajst-30243	144	38	better	well	ADJ
ajst-30243	144	39	than	than	ADP
ajst-30243	144	40	1.5	1.5	NUM
ajst-30243	144	41	μv@500hz	μv@500hz	NOUN
ajst-30243	144	42	,	,	PUNCT
ajst-30243	144	43	the	the	DET
ajst-30243	144	44	dynamic	dynamic	ADJ
ajst-30243	144	45	range	range	NOUN
ajst-30243	144	46	reaches	reach	VERB
ajst-30243	144	47	126.7	126.7	NUM
ajst-30243	144	48	db@500hz	db@500hz	NOUN
ajst-30243	144	49	,	,	PUNCT
ajst-30243	144	50	and	and	CCONJ
ajst-30243	144	51	the	the	DET
ajst-30243	144	52	signal	signal	NOUN
ajst-30243	144	53	-	-	PUNCT
ajst-30243	144	54	to	to	ADP
ajst-30243	144	55	-	-	PUNCT
ajst-30243	144	56	noise	noise	NOUN
ajst-30243	144	57	ratio	ratio	NOUN
ajst-30243	144	58	reaches	reach	VERB
ajst-30243	144	59	131.53	131.53	NUM
ajst-30243	144	60	db	db	NOUN
ajst-30243	144	61	.	.	PUNCT
ajst-30243	145	1	by	by	ADP
ajst-30243	145	2	adopting	adopt	VERB
ajst-30243	145	3	the	the	DET
ajst-30243	145	4	gps	gps	PROPN
ajst-30243	145	5	intermittent	intermittent	ADJ
ajst-30243	145	6	timing	timing	NOUN
ajst-30243	145	7	and	and	CCONJ
ajst-30243	145	8	compensating	compensate	VERB
ajst-30243	145	9	for	for	ADP
ajst-30243	145	10	the	the	DET
ajst-30243	145	11	error	error	NOUN
ajst-30243	145	12	caused	cause	VERB
ajst-30243	145	13	by	by	ADP
ajst-30243	145	14	the	the	DET
ajst-30243	145	15	adc	adc	PROPN
ajst-30243	145	16	crystal	crystal	PROPN
ajst-30243	145	17	drifting	drifting	NOUN
ajst-30243	145	18	,	,	PUNCT
ajst-30243	145	19	the	the	DET
ajst-30243	145	20	multinode	multinode	ADJ
ajst-30243	145	21	high	high	ADJ
ajst-30243	145	22	-	-	PUNCT
ajst-30243	145	23	precision	precision	NOUN
ajst-30243	145	24	time	time	NOUN
ajst-30243	145	25	synchronization	synchronization	NOUN
ajst-30243	145	26	method	method	NOUN
ajst-30243	145	27	is	be	AUX
ajst-30243	145	28	achieved	achieve	VERB
ajst-30243	145	29	.	.	PUNCT
ajst-30243	146	1	after	after	ADP
ajst-30243	146	2	performance	performance	NOUN
ajst-30243	146	3	analysis	analysis	NOUN
ajst-30243	146	4	and	and	CCONJ
ajst-30243	146	5	field	field	NOUN
ajst-30243	146	6	experiments	experiment	NOUN
ajst-30243	146	7	,	,	PUNCT
ajst-30243	146	8	the	the	DET
ajst-30243	146	9	time	time	NOUN
ajst-30243	146	10	synchronization	synchronization	NOUN
ajst-30243	146	11	accuracy	accuracy	NOUN
ajst-30243	146	12	of	of	ADP
ajst-30243	146	13	this	this	DET
ajst-30243	146	14	method	method	NOUN
ajst-30243	146	15	is	be	AUX
ajst-30243	146	16	0.688	0.688	NUM
ajst-30243	146	17	μs	μs	NOUN
ajst-30243	146	18	with	with	ADP
ajst-30243	146	19	good	good	ADJ
ajst-30243	146	20	stability	stability	NOUN
ajst-30243	146	21	.	.	PUNCT
ajst-30243	147	1	acknowledgment	acknowledgment	NOUN
ajst-30243	147	2	this	this	DET
ajst-30243	147	3	work	work	NOUN
ajst-30243	147	4	was	be	AUX
ajst-30243	147	5	supported	support	VERB
ajst-30243	147	6	in	in	ADP
ajst-30243	147	7	part	part	NOUN
ajst-30243	147	8	by	by	ADP
ajst-30243	147	9	scientific	scientific	ADJ
ajst-30243	147	10	and	and	CCONJ
ajst-30243	147	11	technological	technological	ADJ
ajst-30243	147	12	developing	develop	VERB
ajst-30243	147	13	scheme	scheme	NOUN
ajst-30243	147	14	project	project	NOUN
ajst-30243	147	15	of	of	ADP
ajst-30243	147	16	jilin	jilin	PROPN
ajst-30243	147	17	province	province	PROPN
ajst-30243	147	18	under	under	ADP
ajst-30243	147	19	grant	grant	NOUN
ajst-30243	147	20	20220203030sf	20220203030sf	NOUN
ajst-30243	147	21	references	reference	NOUN
ajst-30243	147	22	[	[	X
ajst-30243	148	1	1	1	NUM
ajst-30243	148	2	]	]	X
ajst-30243	148	3	tian	tian	PROPN
ajst-30243	148	4	,	,	PUNCT
ajst-30243	148	5	r.y	r.y	PROPN
ajst-30243	148	6	.	.	PROPN
ajst-30243	148	7	lv	lv	PROPN
ajst-30243	148	8	,	,	PUNCT
ajst-30243	148	9	s.x	s.x	PROPN
ajst-30243	148	10	.	.	PROPN
ajst-30243	148	11	lin	lin	PROPN
ajst-30243	148	12	,	,	PUNCT
ajst-30243	148	13	j.	j.	PROPN
ajst-30243	148	14	zhang	zhang	PROPN
ajst-30243	148	15	,	,	PUNCT
ajst-30243	148	16	l.h	l.h	PROPN
ajst-30243	148	17	.	.	PROPN
ajst-30243	148	18	key	key	ADJ
ajst-30243	148	19	techniques	technique	NOUN
ajst-30243	148	20	of	of	ADP
ajst-30243	148	21	single	single	ADJ
ajst-30243	148	22	channel	channel	NOUN
ajst-30243	148	23	wireless	wireless	ADJ
ajst-30243	148	24	storage	storage	NOUN
ajst-30243	148	25	seismograph	seismograph	NOUN
ajst-30243	148	26	.	.	PUNCT
ajst-30243	149	1	chin	chin	PROPN
ajst-30243	149	2	.	.	PUNCT
ajst-30243	150	1	j.	j.	PROPN
ajst-30243	150	2	geophys	geophys	PROPN
ajst-30243	150	3	.	.	PUNCT
ajst-30243	151	1	2017	2017	NUM
ajst-30243	151	2	,	,	PUNCT
ajst-30243	151	3	60	60	NUM
ajst-30243	151	4	,	,	PUNCT
ajst-30243	151	5	4273–4281	4273–4281	NUM
ajst-30243	151	6	.	.	PUNCT
ajst-30243	152	1	[	[	X
ajst-30243	152	2	2	2	NUM
ajst-30243	152	3	]	]	X
ajst-30243	152	4	wang	wang	PROPN
ajst-30243	152	5	,	,	PUNCT
ajst-30243	152	6	s.j	s.j	PROPN
ajst-30243	152	7	.	.	PROPN
ajst-30243	152	8	lu	lu	PROPN
ajst-30243	152	9	,	,	PUNCT
ajst-30243	152	10	c.	c.	PROPN
ajst-30243	152	11	you	you	PRON
ajst-30243	152	12	,	,	PUNCT
ajst-30243	152	13	q.y	q.y	PROPN
ajst-30243	152	14	.	.	PROPN
ajst-30243	152	15	zhang	zhang	PROPN
ajst-30243	152	16	,	,	PUNCT
ajst-30243	152	17	y.	y.	PROPN
ajst-30243	152	18	design	design	PROPN
ajst-30243	152	19	of	of	ADP
ajst-30243	152	20	a	a	DET
ajst-30243	152	21	low	low	ADJ
ajst-30243	152	22	cost	cost	NOUN
ajst-30243	152	23	non	non	ADJ
ajst-30243	152	24	-	-	ADJ
ajst-30243	152	25	cable	cable	ADJ
ajst-30243	152	26	seismic	seismic	ADJ
ajst-30243	152	27	acquisition	acquisition	NOUN
ajst-30243	152	28	station	station	NOUN
ajst-30243	152	29	.	.	PUNCT
ajst-30243	153	1	chin	chin	PROPN
ajst-30243	153	2	.	.	PUNCT
ajst-30243	154	1	j.	j.	PROPN
ajst-30243	154	2	geophys	geophys	PROPN
ajst-30243	154	3	.	.	PUNCT
ajst-30243	155	1	2015	2015	NUM
ajst-30243	155	2	,	,	PUNCT
ajst-30243	155	3	58	58	NUM
ajst-30243	155	4	,	,	PUNCT
ajst-30243	155	5	1425–1433	1425–1433	NUM
ajst-30243	155	6	.	.	PUNCT
ajst-30243	156	1	[	[	X
ajst-30243	156	2	3	3	NUM
ajst-30243	156	3	]	]	X
ajst-30243	156	4	jiang	jiang	PROPN
ajst-30243	156	5	,	,	PUNCT
ajst-30243	156	6	x.	x.	PROPN
ajst-30243	156	7	lin	lin	PROPN
ajst-30243	156	8	,	,	PUNCT
ajst-30243	156	9	j.	j.	PROPN
ajst-30243	156	10	ye	ye	PROPN
ajst-30243	156	11	,	,	PUNCT
ajst-30243	156	12	f.	f.	PROPN
ajst-30243	156	13	zheng	zheng	PROPN
ajst-30243	156	14	,	,	PUNCT
ajst-30243	156	15	f.	f.	PROPN
ajst-30243	156	16	separation	separation	NOUN
ajst-30243	156	17	of	of	ADP
ajst-30243	156	18	p	p	NOUN
ajst-30243	156	19	–	–	PUNCT
ajst-30243	156	20	p	p	NOUN
ajst-30243	156	21	and	and	CCONJ
ajst-30243	156	22	p	p	NOUN
ajst-30243	156	23	–	–	PUNCT
ajst-30243	156	24	sv	sv	NOUN
ajst-30243	156	25	wavefields	wavefield	NOUN
ajst-30243	156	26	by	by	ADP
ajst-30243	156	27	high	high	ADJ
ajst-30243	156	28	resolution	resolution	NOUN
ajst-30243	156	29	parabolic	parabolic	ADJ
ajst-30243	156	30	radon	radon	PROPN
ajst-30243	156	31	transform	transform	NOUN
ajst-30243	156	32	.	.	PUNCT
ajst-30243	157	1	j.	j.	PROPN
ajst-30243	157	2	appl	appl	PROPN
ajst-30243	157	3	.	.	PUNCT
ajst-30243	157	4	geophys	geophy	NOUN
ajst-30243	157	5	.	.	PUNCT
ajst-30243	158	1	2015	2015	NUM
ajst-30243	158	2	,	,	PUNCT
ajst-30243	158	3	119	119	NUM
ajst-30243	158	4	,	,	PUNCT
ajst-30243	158	5	192–201	192–201	NUM
ajst-30243	158	6	.	.	PUNCT
ajst-30243	159	1	[	[	X
ajst-30243	159	2	4	4	NUM
ajst-30243	159	3	]	]	X
ajst-30243	159	4	karplus	karplus	PROPN
ajst-30243	159	5	m	m	PROPN
ajst-30243	159	6	s	s	PROPN
ajst-30243	159	7	,	,	PUNCT
ajst-30243	159	8	kaip	kaip	PROPN
ajst-30243	159	9	g	g	PROPN
ajst-30243	159	10	,	,	PUNCT
ajst-30243	159	11	harder	hard	ADV
ajst-30243	159	12	s	s	NOUN
ajst-30243	159	13	h	h	NOUN
ajst-30243	159	14	,	,	PUNCT
ajst-30243	159	15	et	et	PROPN
ajst-30243	159	16	al	al	PROPN
ajst-30243	159	17	.	.	PROPN
ajst-30243	159	18	shallow	shallow	ADJ
ajst-30243	159	19	active	active	ADJ
ajst-30243	159	20	-	-	PUNCT
ajst-30243	159	21	source	source	NOUN
ajst-30243	159	22	imaging	imaging	NOUN
ajst-30243	159	23	of	of	ADP
ajst-30243	159	24	an	an	DET
ajst-30243	159	25	andesite	andesite	NOUN
ajst-30243	159	26	dike	dike	NOUN
ajst-30243	159	27	in	in	ADP
ajst-30243	159	28	southern	southern	ADJ
ajst-30243	159	29	new	new	PROPN
ajst-30243	159	30	mexico	mexico	PROPN
ajst-30243	159	31	:	:	PUNCT
ajst-30243	159	32	comparing	compare	VERB
ajst-30243	159	33	reftek	reftek	NOUN
ajst-30243	159	34	texan	texan	NOUN
ajst-30243	159	35	and	and	CCONJ
ajst-30243	159	36	fairfield	fairfield	PROPN
ajst-30243	159	37	z	z	PROPN
ajst-30243	159	38	-	-	PUNCT
ajst-30243	159	39	land	land	NOUN
ajst-30243	159	40	recordings[c]//agu	recordings[c]//agu	NOUN
ajst-30243	159	41	fall	fall	NOUN
ajst-30243	159	42	meeting	meet	VERB
ajst-30243	159	43	abstracts	abstract	NOUN
ajst-30243	159	44	.	.	PUNCT
ajst-30243	160	1	2016	2016	NUM
ajst-30243	160	2	,	,	PUNCT
ajst-30243	160	3	2016	2016	NUM
ajst-30243	160	4	:	:	PUNCT
ajst-30243	160	5	s41a-2722	s41a-2722	NOUN
ajst-30243	160	6	.	.	PUNCT
ajst-30243	161	1	[	[	X
ajst-30243	161	2	5	5	NUM
ajst-30243	161	3	]	]	SYM
ajst-30243	161	4	lu	lu	PROPN
ajst-30243	161	5	,	,	PUNCT
ajst-30243	161	6	c.	c.	PROPN
ajst-30243	161	7	wang	wang	PROPN
ajst-30243	161	8	,	,	PUNCT
ajst-30243	161	9	s.j	s.j	PROPN
ajst-30243	161	10	.	.	PROPN
ajst-30243	161	11	zhang	zhang	PROPN
ajst-30243	161	12	,	,	PUNCT
ajst-30243	161	13	y.	y.	PROPN
ajst-30243	161	14	dai	dai	PROPN
ajst-30243	161	15	,	,	PUNCT
ajst-30243	161	16	k.s	k.s	PROPN
ajst-30243	161	17	.	.	PROPN
ajst-30243	161	18	zhang	zhang	PROPN
ajst-30243	161	19	,	,	PUNCT
ajst-30243	161	20	y.	y.	PROPN
ajst-30243	161	21	a	a	DET
ajst-30243	161	22	new	new	ADJ
ajst-30243	161	23	lowcost	lowcost	NOUN
ajst-30243	161	24	no	no	DET
ajst-30243	161	25	-	-	PUNCT
ajst-30243	161	26	cable	cable	NOUN
ajst-30243	161	27	digital	digital	ADJ
ajst-30243	161	28	geophone	geophone	NOUN
ajst-30243	161	29	for	for	ADP
ajst-30243	161	30	microtremor	microtremor	ADJ
ajst-30243	161	31	survey	survey	NOUN
ajst-30243	161	32	.	.	PUNCT
ajst-30243	162	1	chin	chin	PROPN
ajst-30243	162	2	.	.	PUNCT
ajst-30243	163	1	j.	j.	PROPN
ajst-30243	163	2	geophys	geophys	PROPN
ajst-30243	163	3	.	.	PUNCT
ajst-30243	164	1	2015	2015	NUM
ajst-30243	164	2	,	,	PUNCT
ajst-30243	164	3	58	58	NUM
ajst-30243	164	4	,	,	PUNCT
ajst-30243	164	5	2148–2159	2148–2159	NUM
ajst-30243	164	6	.	.	PUNCT
ajst-30243	165	1	[	[	X
ajst-30243	165	2	6	6	NUM
ajst-30243	165	3	]	]	X
ajst-30243	165	4	gutenberg	gutenberg	PROPN
ajst-30243	165	5	,	,	PUNCT
ajst-30243	165	6	b.	b.	PROPN
ajst-30243	165	7	,	,	PUNCT
ajst-30243	165	8	richter	richter	PROPN
ajst-30243	165	9	,	,	PUNCT
ajst-30243	165	10	c.	c.	PROPN
ajst-30243	165	11	magnitude	magnitude	NOUN
ajst-30243	165	12	and	and	CCONJ
ajst-30243	165	13	energy	energy	NOUN
ajst-30243	165	14	of	of	ADP
ajst-30243	165	15	earthquakes	earthquake	NOUN
ajst-30243	165	16	.	.	PUNCT
ajst-30243	166	1	nature	nature	NOUN
ajst-30243	166	2	176	176	NUM
ajst-30243	166	3	,	,	PUNCT
ajst-30243	166	4	795	795	NUM
ajst-30243	166	5	(	(	PUNCT
ajst-30243	166	6	1955	1955	NUM
ajst-30243	166	7	)	)	PUNCT
ajst-30243	166	8	.	.	PUNCT
ajst-30243	167	1	[	[	X
ajst-30243	167	2	7	7	X
ajst-30243	167	3	]	]	X
ajst-30243	167	4	josé	josé	PROPN
ajst-30243	167	5	m.	m.	PROPN
ajst-30243	167	6	de	de	PROPN
ajst-30243	167	7	la	la	PROPN
ajst-30243	167	8	rosa	rosa	PROPN
ajst-30243	167	9	,	,	PUNCT
ajst-30243	167	10	et	et	PROPN
ajst-30243	167	11	al	al	PROPN
ajst-30243	167	12	.	.	PROPN
ajst-30243	167	13	sigma	sigma	PROPN
ajst-30243	167	14	-	-	PUNCT
ajst-30243	167	15	delta	delta	NOUN
ajst-30243	167	16	modulators	modulator	NOUN
ajst-30243	167	17	:	:	PUNCT
ajst-30243	167	18	tutorial	tutorial	ADJ
ajst-30243	167	19	overview	overview	NOUN
ajst-30243	167	20	,	,	PUNCT
ajst-30243	167	21	design	design	NOUN
ajst-30243	167	22	guide	guide	NOUN
ajst-30243	167	23	,	,	PUNCT
ajst-30243	167	24	and	and	CCONJ
ajst-30243	167	25	state	state	NOUN
ajst-30243	167	26	-	-	PUNCT
ajst-30243	167	27	of	of	ADP
ajst-30243	167	28	-	-	PUNCT
ajst-30243	167	29	the	the	DET
ajst-30243	167	30	-	-	PUNCT
ajst-30243	167	31	art	art	NOUN
ajst-30243	167	32	survey	survey	NOUN
ajst-30243	167	33	,	,	PUNCT
ajst-30243	167	34	ieee	ieee	NOUN
ajst-30243	167	35	transactions	transaction	NOUN
ajst-30243	167	36	on	on	ADP
ajst-30243	167	37	circuits	circuit	NOUN
ajst-30243	167	38	and	and	CCONJ
ajst-30243	167	39	systems	system	NOUN
ajst-30243	167	40	i	i	PRON
ajst-30243	167	41	:	:	PUNCT
ajst-30243	167	42	regular	regular	ADJ
ajst-30243	167	43	papers	paper	NOUN
ajst-30243	167	44	,	,	PUNCT
ajst-30243	167	45	vol.58	vol.58	NOUN
ajst-30243	167	46	,	,	PUNCT
ajst-30243	167	47	no.1	no.1	NUM
ajst-30243	167	48	,	,	PUNCT
ajst-30243	167	49	pp.1	pp.1	NOUN
ajst-30243	167	50	-	-	PUNCT
ajst-30243	167	51	21	21	NUM
ajst-30243	167	52	,	,	PUNCT
ajst-30243	167	53	2011	2011	NUM
ajst-30243	167	54	.	.	PUNCT
ajst-30243	168	1	[	[	X
ajst-30243	168	2	8	8	NUM
ajst-30243	168	3	]	]	X
ajst-30243	168	4	u.	u.	PROPN
ajst-30243	168	5	l.	l.	PROPN
ajst-30243	168	6	rohde	rohde	PROPN
ajst-30243	168	7	,	,	PUNCT
ajst-30243	168	8	a.	a.	PROPN
ajst-30243	168	9	k.	k.	PROPN
ajst-30243	168	10	poddar	poddar	PROPN
ajst-30243	168	11	and	and	CCONJ
ajst-30243	168	12	a.	a.	PROPN
ajst-30243	168	13	m.	m.	PROPN
ajst-30243	168	14	apte	apte	PROPN
ajst-30243	168	15	,	,	PUNCT
ajst-30243	168	16	getting	get	VERB
ajst-30243	168	17	its	its	PRON
ajst-30243	168	18	measure	measure	NOUN
ajst-30243	168	19	:	:	PUNCT
ajst-30243	168	20	oscillator	oscillator	NOUN
ajst-30243	168	21	phase	phase	NOUN
ajst-30243	168	22	noise	noise	NOUN
ajst-30243	168	23	measurement	measurement	NOUN
ajst-30243	168	24	techniques	technique	NOUN
ajst-30243	168	25	and	and	CCONJ
ajst-30243	168	26	limitations	limitation	NOUN
ajst-30243	168	27	,	,	PUNCT
ajst-30243	168	28	in	in	ADP
ajst-30243	168	29	ieee	ieee	NOUN
ajst-30243	168	30	microwave	microwave	PROPN
ajst-30243	168	31	magazine	magazine	PROPN
ajst-30243	168	32	,	,	PUNCT
ajst-30243	168	33	vol	vol	NOUN
ajst-30243	168	34	.	.	PROPN
ajst-30243	169	1	14	14	NUM
ajst-30243	169	2	,	,	PUNCT
ajst-30243	169	3	no	no	INTJ
ajst-30243	169	4	.	.	NOUN
ajst-30243	169	5	6	6	NUM
ajst-30243	169	6	,	,	PUNCT
ajst-30243	169	7	pp	pp	ADJ
ajst-30243	169	8	.	.	PUNCT
ajst-30243	170	1	73	73	NUM
ajst-30243	170	2	-	-	SYM
ajst-30243	170	3	86	86	NUM
ajst-30243	170	4	,	,	PUNCT
ajst-30243	170	5	sept.-oct	sept.-oct	PROPN
ajst-30243	170	6	.	.	PUNCT
ajst-30243	171	1	2013	2013	NUM
ajst-30243	171	2	.	.	PUNCT
ajst-30243	172	1	[	[	X
ajst-30243	172	2	9	9	NUM
ajst-30243	172	3	]	]	SYM
ajst-30243	172	4	jiang	jiang	PROPN
ajst-30243	172	5	,	,	PUNCT
ajst-30243	172	6	j.	j.	PROPN
ajst-30243	172	7	yang	yang	PROPN
ajst-30243	172	8	,	,	PUNCT
ajst-30243	172	9	r.	r.	PROPN
ajst-30243	172	10	wang	wang	PROPN
ajst-30243	172	11	,	,	PUNCT
ajst-30243	172	12	b.	b.	PROPN
ajst-30243	172	13	xiang	xiang	PROPN
ajst-30243	172	14	,	,	PUNCT
ajst-30243	172	15	y.	y.	PROPN
ajst-30243	172	16	pang	pang	PROPN
ajst-30243	172	17	,	,	PUNCT
ajst-30243	172	18	w.	w.	PROPN
ajst-30243	172	19	yang	yang	PROPN
ajst-30243	172	20	,	,	PUNCT
ajst-30243	172	21	j.	j.	PROPN
ajst-30243	172	22	ye	ye	PROPN
ajst-30243	172	23	,	,	PUNCT
ajst-30243	172	24	b.	b.	PROPN
ajst-30243	172	25	assessing	assess	VERB
ajst-30243	172	26	short	short	ADJ
ajst-30243	172	27	-	-	PUNCT
ajst-30243	172	28	term	term	NOUN
ajst-30243	172	29	clock	clock	NOUN
ajst-30243	172	30	errors	error	NOUN
ajst-30243	172	31	and	and	CCONJ
ajst-30243	172	32	drifts	drift	NOUN
ajst-30243	172	33	of	of	ADP
ajst-30243	172	34	temporary	temporary	ADJ
ajst-30243	172	35	seismic	seismic	ADJ
ajst-30243	172	36	networks	network	NOUN
ajst-30243	172	37	using	use	VERB
ajst-30243	172	38	the	the	DET
ajst-30243	172	39	active	active	ADJ
ajst-30243	172	40	airgun	airgun	NOUN
ajst-30243	172	41	source	source	NOUN
ajst-30243	172	42	in	in	ADP
ajst-30243	172	43	binchuan	binchuan	PROPN
ajst-30243	172	44	,	,	PUNCT
ajst-30243	172	45	yunnan	yunnan	PROPN
ajst-30243	172	46	.	.	PUNCT
ajst-30243	172	47	seismol	seismol	PROPN
ajst-30243	172	48	.	.	PUNCT
ajst-30243	173	1	res	re	NOUN
ajst-30243	173	2	.	.	PUNCT
ajst-30243	174	1	lett	lett	PROPN
ajst-30243	174	2	.	.	PROPN
ajst-30243	175	1	2019	2019	NUM
ajst-30243	175	2	,	,	PUNCT
ajst-30243	175	3	90	90	NUM
ajst-30243	175	4	,	,	PUNCT
ajst-30243	175	5	2165–2174	2165–2174	NUM
ajst-30243	175	6	.	.	PUNCT
ajst-30243	176	1	[	[	X
ajst-30243	176	2	10	10	NUM
ajst-30243	176	3	]	]	X
ajst-30243	176	4	buono	buono	PROPN
ajst-30243	176	5	p	p	PROPN
ajst-30243	176	6	l	l	PROPN
ajst-30243	176	7	,	,	PUNCT
ajst-30243	176	8	in	in	ADP
ajst-30243	176	9	v	v	NOUN
ajst-30243	176	10	,	,	PUNCT
ajst-30243	176	11	longhini	longhini	NOUN
ajst-30243	176	12	p	p	NOUN
ajst-30243	176	13	,	,	PUNCT
ajst-30243	176	14	et	et	PROPN
ajst-30243	176	15	al	al	PROPN
ajst-30243	176	16	.	.	PROPN
ajst-30243	176	17	phase	phase	NOUN
ajst-30243	176	18	drift	drift	NOUN
ajst-30243	176	19	on	on	ADP
ajst-30243	176	20	networks	network	NOUN
ajst-30243	176	21	of	of	ADP
ajst-30243	176	22	coupled	couple	VERB
ajst-30243	176	23	crystal	crystal	NOUN
ajst-30243	176	24	oscillators	oscillator	NOUN
ajst-30243	176	25	for	for	ADP
ajst-30243	176	26	precision	precision	NOUN
ajst-30243	176	27	timing[j	timing[j	NOUN
ajst-30243	176	28	]	]	PUNCT
ajst-30243	176	29	.	.	PUNCT
ajst-30243	177	1	physical	physical	ADJ
ajst-30243	177	2	review	review	PROPN
ajst-30243	177	3	e	e	PROPN
ajst-30243	177	4	,	,	PUNCT
ajst-30243	177	5	2018	2018	NUM
ajst-30243	177	6	,	,	PUNCT
ajst-30243	177	7	98(1	98(1	NOUN
ajst-30243	177	8	):	):	PUNCT
ajst-30243	177	9	012203	012203	NUM
ajst-30243	177	10	.	.	PUNCT
ajst-30243	178	1	[	[	X
ajst-30243	178	2	11	11	NUM
ajst-30243	178	3	]	]	PUNCT
ajst-30243	178	4	knappe	knappe	PROPN
ajst-30243	178	5	,	,	PUNCT
ajst-30243	178	6	s.	s.	PROPN
ajst-30243	178	7	gerginov	gerginov	PROPN
ajst-30243	178	8	,	,	PUNCT
ajst-30243	178	9	v.	v.	ADP
ajst-30243	178	10	schwindt	schwindt	NOUN
ajst-30243	178	11	,	,	PUNCT
ajst-30243	178	12	p.d.d	p.d.d	NOUN
ajst-30243	178	13	.	.	PUNCT
ajst-30243	178	14	shah	shah	PROPN
ajst-30243	178	15	,	,	PUNCT
ajst-30243	178	16	v.	v.	PROPN
ajst-30243	178	17	robinson	robinson	PROPN
ajst-30243	178	18	,	,	PUNCT
ajst-30243	178	19	h.g	h.g	PROPN
ajst-30243	178	20	.	.	PROPN
ajst-30243	178	21	hollberg	hollberg	PROPN
ajst-30243	178	22	,	,	PUNCT
ajst-30243	178	23	l.	l.	PROPN
ajst-30243	178	24	kitching	kitching	PROPN
ajst-30243	178	25	,	,	PUNCT
ajst-30243	178	26	j.	j.	PROPN
ajst-30243	178	27	atomic	atomic	PROPN
ajst-30243	178	28	vapor	vapor	NOUN
ajst-30243	178	29	cells	cell	NOUN
ajst-30243	178	30	for	for	ADP
ajst-30243	178	31	chipscale	chipscale	NOUN
ajst-30243	178	32	atomic	atomic	ADJ
ajst-30243	178	33	clocks	clock	NOUN
ajst-30243	178	34	with	with	ADP
ajst-30243	178	35	improved	improved	ADJ
ajst-30243	178	36	long	long	ADJ
ajst-30243	178	37	-	-	PUNCT
ajst-30243	178	38	term	term	NOUN
ajst-30243	178	39	frequency	frequency	NOUN
ajst-30243	178	40	stability	stability	NOUN
ajst-30243	178	41	.	.	PUNCT
ajst-30243	179	1	opt	opt	PROPN
ajst-30243	179	2	.	.	PUNCT
ajst-30243	180	1	lett	lett	PROPN
ajst-30243	180	2	.	.	PUNCT
ajst-30243	181	1	2005	2005	NUM
ajst-30243	181	2	,	,	PUNCT
ajst-30243	181	3	30	30	NUM
ajst-30243	181	4	,	,	PUNCT
ajst-30243	181	5	2351–2353	2351–2353	NUM
ajst-30243	181	6	.	.	PUNCT
ajst-30243	182	1	[	[	X
ajst-30243	182	2	12	12	NUM
ajst-30243	182	3	]	]	X
ajst-30243	182	4	guo	guo	PROPN
ajst-30243	182	5	,	,	PUNCT
ajst-30243	182	6	h.	h.	PROPN
ajst-30243	182	7	crossley	crossley	PROPN
ajst-30243	182	8	,	,	PUNCT
ajst-30243	182	9	p.	p.	NOUN
ajst-30243	182	10	design	design	NOUN
ajst-30243	182	11	of	of	ADP
ajst-30243	182	12	a	a	DET
ajst-30243	182	13	time	time	NOUN
ajst-30243	182	14	synchronization	synchronization	NOUN
ajst-30243	182	15	system	system	NOUN
ajst-30243	182	16	based	base	VERB
ajst-30243	182	17	on	on	ADP
ajst-30243	182	18	gps	gps	PROPN
ajst-30243	182	19	and	and	CCONJ
ajst-30243	182	20	ieee	ieee	NOUN
ajst-30243	182	21	1588	1588	NUM
ajst-30243	182	22	for	for	ADP
ajst-30243	182	23	transmission	transmission	NOUN
ajst-30243	182	24	substations	substation	NOUN
ajst-30243	182	25	.	.	PUNCT
ajst-30243	183	1	ieee	ieee	PROPN
ajst-30243	183	2	trans	trans	PROPN
ajst-30243	183	3	.	.	PUNCT
ajst-30243	184	1	power	power	NOUN
ajst-30243	184	2	deliv	deliv	NOUN
ajst-30243	184	3	.	.	PUNCT
ajst-30243	185	1	2016	2016	NUM
ajst-30243	185	2	,	,	PUNCT
ajst-30243	185	3	32	32	NUM
ajst-30243	185	4	,	,	PUNCT
ajst-30243	185	5	2091–2100	2091–2100	NUM
ajst-30243	185	6	.	.	PUNCT