id	sid	tid	token	lemma	pos
ajst-23754	1	1	academic	academic	ADJ
ajst-23754	1	2	journal	journal	NOUN
ajst-23754	1	3	of	of	ADP
ajst-23754	1	4	science	science	NOUN
ajst-23754	1	5	and	and	CCONJ
ajst-23754	1	6	technology	technology	NOUN
ajst-23754	1	7	issn	issn	NOUN
ajst-23754	1	8	:	:	PUNCT
ajst-23754	1	9	2771	2771	NUM
ajst-23754	1	10	-	-	SYM
ajst-23754	1	11	3032	3032	NUM
ajst-23754	1	12	|	|	NOUN
ajst-23754	1	13	vol	vol	NOUN
ajst-23754	1	14	.	.	PROPN
ajst-23754	2	1	11	11	NUM
ajst-23754	2	2	,	,	PUNCT
ajst-23754	2	3	no	no	INTJ
ajst-23754	2	4	.	.	NOUN
ajst-23754	2	5	3	3	NUM
ajst-23754	2	6	,	,	PUNCT
ajst-23754	2	7	2024	2024	NUM
ajst-23754	2	8	248	248	NUM
ajst-23754	2	9	a	a	DET
ajst-23754	2	10	brief	brief	ADJ
ajst-23754	2	11	discussion	discussion	NOUN
ajst-23754	2	12	on	on	ADP
ajst-23754	2	13	understanding	understand	VERB
ajst-23754	2	14	gnss	gnss	NOUN
ajst-23754	2	15	and	and	CCONJ
ajst-23754	2	16	navigation	navigation	NOUN
ajst-23754	2	17	engineering	engineering	NOUN
ajst-23754	2	18	jiawei	jiawei	NOUN
ajst-23754	2	19	gao	gao	PROPN
ajst-23754	2	20	*	*	PUNCT
ajst-23754	2	21	school	school	NOUN
ajst-23754	2	22	of	of	ADP
ajst-23754	2	23	college	college	NOUN
ajst-23754	2	24	of	of	ADP
ajst-23754	2	25	land	land	NOUN
ajst-23754	2	26	science	science	NOUN
ajst-23754	2	27	and	and	CCONJ
ajst-23754	2	28	technology	technology	NOUN
ajst-23754	2	29	,	,	PUNCT
ajst-23754	2	30	china	china	PROPN
ajst-23754	2	31	university	university	PROPN
ajst-23754	2	32	of	of	ADP
ajst-23754	2	33	geosciences	geoscience	NOUN
ajst-23754	2	34	,	,	PUNCT
ajst-23754	2	35	beijing	beijing	PROPN
ajst-23754	2	36	,	,	PUNCT
ajst-23754	2	37	beijing	beijing	PROPN
ajst-23754	2	38	100083	100083	NUM
ajst-23754	2	39	,	,	PUNCT
ajst-23754	2	40	china	china	PROPN
ajst-23754	2	41	*	*	PUNCT
ajst-23754	2	42	corresponding	correspond	VERB
ajst-23754	2	43	author	author	NOUN
ajst-23754	2	44	email	email	NOUN
ajst-23754	2	45	:	:	PUNCT
ajst-23754	2	46	13995030370@163.com	13995030370@163.com	NUM
ajst-23754	2	47	abstract	abstract	ADJ
ajst-23754	2	48	:	:	PUNCT
ajst-23754	2	49	navigation	navigation	NOUN
ajst-23754	2	50	and	and	CCONJ
ajst-23754	2	51	positioning	positioning	NOUN
ajst-23754	2	52	technology	technology	NOUN
ajst-23754	2	53	is	be	AUX
ajst-23754	2	54	used	use	VERB
ajst-23754	2	55	to	to	PART
ajst-23754	2	56	determine	determine	VERB
ajst-23754	2	57	the	the	DET
ajst-23754	2	58	location	location	NOUN
ajst-23754	2	59	of	of	ADP
ajst-23754	2	60	objects	object	NOUN
ajst-23754	2	61	and	and	CCONJ
ajst-23754	2	62	guide	guide	VERB
ajst-23754	2	63	their	their	PRON
ajst-23754	2	64	movement	movement	NOUN
ajst-23754	2	65	,	,	PUNCT
ajst-23754	2	66	and	and	CCONJ
ajst-23754	2	67	it	it	PRON
ajst-23754	2	68	is	be	AUX
ajst-23754	2	69	widely	widely	ADV
ajst-23754	2	70	applied	apply	VERB
ajst-23754	2	71	in	in	ADP
ajst-23754	2	72	fields	field	NOUN
ajst-23754	2	73	such	such	ADJ
ajst-23754	2	74	as	as	ADP
ajst-23754	2	75	transportation	transportation	NOUN
ajst-23754	2	76	,	,	PUNCT
ajst-23754	2	77	logistics	logistic	NOUN
ajst-23754	2	78	,	,	PUNCT
ajst-23754	2	79	mobile	mobile	ADJ
ajst-23754	2	80	applications	application	NOUN
ajst-23754	2	81	,	,	PUNCT
ajst-23754	2	82	and	and	CCONJ
ajst-23754	2	83	the	the	DET
ajst-23754	2	84	military	military	NOUN
ajst-23754	2	85	.	.	PUNCT
ajst-23754	3	1	the	the	DET
ajst-23754	3	2	main	main	ADJ
ajst-23754	3	3	technologies	technology	NOUN
ajst-23754	3	4	include	include	VERB
ajst-23754	3	5	global	global	ADJ
ajst-23754	3	6	navigation	navigation	NOUN
ajst-23754	3	7	satellite	satellite	NOUN
ajst-23754	3	8	systems	system	NOUN
ajst-23754	3	9	(	(	PUNCT
ajst-23754	3	10	gnss	gnss	NOUN
ajst-23754	3	11	)	)	PUNCT
ajst-23754	3	12	,	,	PUNCT
ajst-23754	3	13	such	such	ADJ
ajst-23754	3	14	as	as	ADP
ajst-23754	3	15	the	the	DET
ajst-23754	3	16	united	united	PROPN
ajst-23754	3	17	states	states	PROPN
ajst-23754	3	18	'	'	PART
ajst-23754	3	19	gps	gps	PROPN
ajst-23754	3	20	,	,	PUNCT
ajst-23754	3	21	russia	russia	PROPN
ajst-23754	3	22	's	's	PART
ajst-23754	3	23	glonass	glonass	NOUN
ajst-23754	3	24	,	,	PUNCT
ajst-23754	3	25	europe	europe	PROPN
ajst-23754	3	26	's	's	PART
ajst-23754	3	27	galileo	galileo	NOUN
ajst-23754	3	28	,	,	PUNCT
ajst-23754	3	29	and	and	CCONJ
ajst-23754	3	30	china	china	PROPN
ajst-23754	3	31	's	's	PART
ajst-23754	3	32	beidou	beidou	NOUN
ajst-23754	3	33	system	system	NOUN
ajst-23754	3	34	.	.	PUNCT
ajst-23754	4	1	these	these	DET
ajst-23754	4	2	systems	system	NOUN
ajst-23754	4	3	provide	provide	VERB
ajst-23754	4	4	global	global	ADJ
ajst-23754	4	5	positioning	positioning	NOUN
ajst-23754	4	6	services	service	NOUN
ajst-23754	4	7	.	.	PUNCT
ajst-23754	5	1	satellite	satellite	NOUN
ajst-23754	5	2	-	-	PUNCT
ajst-23754	5	3	based	base	VERB
ajst-23754	5	4	augmentation	augmentation	NOUN
ajst-23754	5	5	systems	system	NOUN
ajst-23754	5	6	(	(	PUNCT
ajst-23754	5	7	sbas	sbas	PROPN
ajst-23754	5	8	)	)	PUNCT
ajst-23754	5	9	enhance	enhance	VERB
ajst-23754	5	10	positioning	positioning	NOUN
ajst-23754	5	11	accuracy	accuracy	NOUN
ajst-23754	5	12	and	and	CCONJ
ajst-23754	5	13	reliability	reliability	NOUN
ajst-23754	5	14	through	through	ADP
ajst-23754	5	15	ground	ground	NOUN
ajst-23754	5	16	stations	station	NOUN
ajst-23754	5	17	.	.	PUNCT
ajst-23754	6	1	additionally	additionally	ADV
ajst-23754	6	2	,	,	PUNCT
ajst-23754	6	3	inertial	inertial	ADJ
ajst-23754	6	4	navigation	navigation	NOUN
ajst-23754	6	5	systems	system	NOUN
ajst-23754	6	6	(	(	PUNCT
ajst-23754	6	7	ins	in	NOUN
ajst-23754	6	8	)	)	PUNCT
ajst-23754	6	9	calculate	calculate	NOUN
ajst-23754	6	10	position	position	NOUN
ajst-23754	6	11	by	by	ADP
ajst-23754	6	12	measuring	measure	VERB
ajst-23754	6	13	acceleration	acceleration	NOUN
ajst-23754	6	14	and	and	CCONJ
ajst-23754	6	15	angular	angular	ADJ
ajst-23754	6	16	velocity	velocity	NOUN
ajst-23754	6	17	,	,	PUNCT
ajst-23754	6	18	often	often	ADV
ajst-23754	6	19	in	in	ADP
ajst-23754	6	20	combination	combination	NOUN
ajst-23754	6	21	with	with	ADP
ajst-23754	6	22	gnss	gnss	NOUN
ajst-23754	6	23	.	.	PUNCT
ajst-23754	7	1	radio	radio	NOUN
ajst-23754	7	2	positioning	positioning	NOUN
ajst-23754	7	3	technology	technology	NOUN
ajst-23754	7	4	utilizes	utilize	VERB
ajst-23754	7	5	cellular	cellular	ADJ
ajst-23754	7	6	base	base	NOUN
ajst-23754	7	7	stations	station	NOUN
ajst-23754	7	8	and	and	CCONJ
ajst-23754	7	9	wi	wi	PROPN
ajst-23754	7	10	-	-	PUNCT
ajst-23754	7	11	fi	fi	NOUN
ajst-23754	7	12	signals	signal	NOUN
ajst-23754	7	13	for	for	ADP
ajst-23754	7	14	positioning	positioning	NOUN
ajst-23754	7	15	,	,	PUNCT
ajst-23754	7	16	suitable	suitable	ADJ
ajst-23754	7	17	for	for	ADP
ajst-23754	7	18	urban	urban	ADJ
ajst-23754	7	19	and	and	CCONJ
ajst-23754	7	20	indoor	indoor	ADJ
ajst-23754	7	21	environments	environment	NOUN
ajst-23754	7	22	.	.	PUNCT
ajst-23754	8	1	bluetooth	bluetooth	PROPN
ajst-23754	8	2	positioning	positioning	NOUN
ajst-23754	8	3	and	and	CCONJ
ajst-23754	8	4	ultrawideband	ultrawideband	NOUN
ajst-23754	8	5	(	(	PUNCT
ajst-23754	8	6	uwb	uwb	NOUN
ajst-23754	8	7	)	)	PUNCT
ajst-23754	8	8	positioning	positioning	NOUN
ajst-23754	8	9	use	use	VERB
ajst-23754	8	10	short	short	ADJ
ajst-23754	8	11	-	-	PUNCT
ajst-23754	8	12	range	range	NOUN
ajst-23754	8	13	beacons	beacon	NOUN
ajst-23754	8	14	and	and	CCONJ
ajst-23754	8	15	high	high	ADJ
ajst-23754	8	16	-	-	PUNCT
ajst-23754	8	17	frequency	frequency	NOUN
ajst-23754	8	18	signals	signal	NOUN
ajst-23754	8	19	to	to	PART
ajst-23754	8	20	provide	provide	VERB
ajst-23754	8	21	high	high	ADJ
ajst-23754	8	22	-	-	PUNCT
ajst-23754	8	23	precision	precision	NOUN
ajst-23754	8	24	indoor	indoor	ADJ
ajst-23754	8	25	positioning	positioning	NOUN
ajst-23754	8	26	.	.	PUNCT
ajst-23754	9	1	visible	visible	ADJ
ajst-23754	9	2	light	light	ADJ
ajst-23754	9	3	positioning	positioning	NOUN
ajst-23754	9	4	(	(	PUNCT
ajst-23754	9	5	vlp	vlp	PROPN
ajst-23754	9	6	)	)	PUNCT
ajst-23754	9	7	and	and	CCONJ
ajst-23754	9	8	acoustic	acoustic	ADJ
ajst-23754	9	9	positioning	positioning	NOUN
ajst-23754	9	10	use	use	VERB
ajst-23754	9	11	light	light	NOUN
ajst-23754	9	12	signals	signal	NOUN
ajst-23754	9	13	and	and	CCONJ
ajst-23754	9	14	sound	sound	ADJ
ajst-23754	9	15	waves	wave	NOUN
ajst-23754	9	16	,	,	PUNCT
ajst-23754	9	17	respectively	respectively	ADV
ajst-23754	9	18	,	,	PUNCT
ajst-23754	9	19	for	for	ADP
ajst-23754	9	20	positioning	positioning	NOUN
ajst-23754	9	21	in	in	ADP
ajst-23754	9	22	specific	specific	ADJ
ajst-23754	9	23	environments	environment	NOUN
ajst-23754	9	24	.	.	PUNCT
ajst-23754	10	1	these	these	DET
ajst-23754	10	2	technologies	technology	NOUN
ajst-23754	10	3	are	be	AUX
ajst-23754	10	4	used	use	VERB
ajst-23754	10	5	in	in	ADP
ajst-23754	10	6	transportation	transportation	NOUN
ajst-23754	10	7	for	for	ADP
ajst-23754	10	8	vehicle	vehicle	NOUN
ajst-23754	10	9	navigation	navigation	NOUN
ajst-23754	10	10	and	and	CCONJ
ajst-23754	10	11	intelligent	intelligent	ADJ
ajst-23754	10	12	transportation	transportation	NOUN
ajst-23754	10	13	systems	system	NOUN
ajst-23754	10	14	,	,	PUNCT
ajst-23754	10	15	in	in	ADP
ajst-23754	10	16	logistics	logistic	NOUN
ajst-23754	10	17	management	management	NOUN
ajst-23754	10	18	for	for	ADP
ajst-23754	10	19	tracking	track	VERB
ajst-23754	10	20	the	the	DET
ajst-23754	10	21	location	location	NOUN
ajst-23754	10	22	of	of	ADP
ajst-23754	10	23	goods	good	NOUN
ajst-23754	10	24	,	,	PUNCT
ajst-23754	10	25	in	in	ADP
ajst-23754	10	26	geographic	geographic	ADJ
ajst-23754	10	27	information	information	NOUN
ajst-23754	10	28	systems	system	NOUN
ajst-23754	10	29	(	(	PUNCT
ajst-23754	10	30	gis	gis	NOUN
ajst-23754	10	31	)	)	PUNCT
ajst-23754	10	32	to	to	PART
ajst-23754	10	33	provide	provide	VERB
ajst-23754	10	34	geographic	geographic	ADJ
ajst-23754	10	35	data	data	NOUN
ajst-23754	10	36	support	support	NOUN
ajst-23754	10	37	,	,	PUNCT
ajst-23754	10	38	in	in	ADP
ajst-23754	10	39	mobile	mobile	ADJ
ajst-23754	10	40	applications	application	NOUN
ajst-23754	10	41	to	to	PART
ajst-23754	10	42	support	support	VERB
ajst-23754	10	43	location	location	NOUN
ajst-23754	10	44	-	-	PUNCT
ajst-23754	10	45	based	base	VERB
ajst-23754	10	46	services	service	NOUN
ajst-23754	10	47	(	(	PUNCT
ajst-23754	10	48	lbs	lbs	PROPN
ajst-23754	10	49	)	)	PUNCT
ajst-23754	10	50	,	,	PUNCT
ajst-23754	10	51	and	and	CCONJ
ajst-23754	10	52	in	in	ADP
ajst-23754	10	53	the	the	DET
ajst-23754	10	54	military	military	NOUN
ajst-23754	10	55	for	for	ADP
ajst-23754	10	56	target	target	NOUN
ajst-23754	10	57	positioning	positioning	NOUN
ajst-23754	10	58	and	and	CCONJ
ajst-23754	10	59	missile	missile	NOUN
ajst-23754	10	60	guidance	guidance	NOUN
ajst-23754	10	61	.	.	PUNCT
ajst-23754	11	1	in	in	ADP
ajst-23754	11	2	the	the	DET
ajst-23754	11	3	future	future	NOUN
ajst-23754	11	4	,	,	PUNCT
ajst-23754	11	5	navigation	navigation	NOUN
ajst-23754	11	6	and	and	CCONJ
ajst-23754	11	7	positioning	positioning	NOUN
ajst-23754	11	8	technology	technology	NOUN
ajst-23754	11	9	will	will	AUX
ajst-23754	11	10	advance	advance	VERB
ajst-23754	11	11	towards	towards	ADP
ajst-23754	11	12	higher	high	ADJ
ajst-23754	11	13	precision	precision	NOUN
ajst-23754	11	14	,	,	PUNCT
ajst-23754	11	15	wider	wide	ADJ
ajst-23754	11	16	coverage	coverage	NOUN
ajst-23754	11	17	,	,	PUNCT
ajst-23754	11	18	and	and	CCONJ
ajst-23754	11	19	greater	great	ADJ
ajst-23754	11	20	reliability	reliability	NOUN
ajst-23754	11	21	,	,	PUNCT
ajst-23754	11	22	supporting	support	VERB
ajst-23754	11	23	emerging	emerge	VERB
ajst-23754	11	24	applications	application	NOUN
ajst-23754	11	25	such	such	ADJ
ajst-23754	11	26	as	as	ADP
ajst-23754	11	27	autonomous	autonomous	ADJ
ajst-23754	11	28	driving	driving	NOUN
ajst-23754	11	29	,	,	PUNCT
ajst-23754	11	30	smart	smart	ADJ
ajst-23754	11	31	buildings	building	NOUN
ajst-23754	11	32	,	,	PUNCT
ajst-23754	11	33	and	and	CCONJ
ajst-23754	11	34	the	the	DET
ajst-23754	11	35	internet	internet	NOUN
ajst-23754	11	36	of	of	ADP
ajst-23754	11	37	things	thing	NOUN
ajst-23754	11	38	(	(	PUNCT
ajst-23754	11	39	iot	iot	NOUN
ajst-23754	11	40	)	)	PUNCT
ajst-23754	11	41	.	.	PUNCT
ajst-23754	12	1	keywords	keyword	NOUN
ajst-23754	12	2	:	:	PUNCT
ajst-23754	12	3	navigation	navigation	NOUN
ajst-23754	12	4	;	;	PUNCT
ajst-23754	12	5	positioning	position	VERB
ajst-23754	12	6	technology	technology	NOUN
ajst-23754	12	7	;	;	PUNCT
ajst-23754	12	8	satellites	satellite	NOUN
ajst-23754	12	9	.	.	PUNCT
ajst-23754	13	1	1	1	X
ajst-23754	13	2	.	.	X
ajst-23754	13	3	daily	daily	ADJ
ajst-23754	13	4	applications	application	NOUN
ajst-23754	13	5	and	and	CCONJ
ajst-23754	13	6	key	key	ADJ
ajst-23754	13	7	issues	issue	NOUN
ajst-23754	13	8	of	of	ADP
ajst-23754	13	9	navigation	navigation	NOUN
ajst-23754	13	10	and	and	CCONJ
ajst-23754	13	11	positioning	positioning	NOUN
ajst-23754	13	12	technology	technology	NOUN
ajst-23754	13	13	nowadays	nowadays	ADV
ajst-23754	13	14	,	,	PUNCT
ajst-23754	13	15	navigation	navigation	NOUN
ajst-23754	13	16	and	and	CCONJ
ajst-23754	13	17	positioning	positioning	NOUN
ajst-23754	13	18	technology	technology	NOUN
ajst-23754	13	19	has	have	AUX
ajst-23754	13	20	been	be	AUX
ajst-23754	13	21	widely	widely	ADV
ajst-23754	13	22	applied	apply	VERB
ajst-23754	13	23	in	in	ADP
ajst-23754	13	24	our	our	PRON
ajst-23754	13	25	daily	daily	ADJ
ajst-23754	13	26	lives	life	NOUN
ajst-23754	13	27	,	,	PUNCT
ajst-23754	13	28	such	such	ADJ
ajst-23754	13	29	as	as	ADP
ajst-23754	13	30	in	in	ADP
ajst-23754	13	31	the	the	DET
ajst-23754	13	32	positioning	positioning	NOUN
ajst-23754	13	33	chips	chip	NOUN
ajst-23754	13	34	embedded	embed	VERB
ajst-23754	13	35	in	in	ADP
ajst-23754	13	36	smartphones	smartphone	NOUN
ajst-23754	13	37	,	,	PUNCT
ajst-23754	13	38	various	various	ADJ
ajst-23754	13	39	map	map	NOUN
ajst-23754	13	40	software	software	NOUN
ajst-23754	13	41	,	,	PUNCT
ajst-23754	13	42	and	and	CCONJ
ajst-23754	13	43	autonomous	autonomous	ADJ
ajst-23754	13	44	driving	driving	NOUN
ajst-23754	13	45	technology	technology	NOUN
ajst-23754	13	46	.	.	PUNCT
ajst-23754	14	1	thanks	thank	NOUN
ajst-23754	14	2	to	to	ADP
ajst-23754	14	3	the	the	DET
ajst-23754	14	4	existence	existence	NOUN
ajst-23754	14	5	of	of	ADP
ajst-23754	14	6	positioning	positioning	NOUN
ajst-23754	14	7	technology	technology	NOUN
ajst-23754	14	8	,	,	PUNCT
ajst-23754	14	9	we	we	PRON
ajst-23754	14	10	can	can	AUX
ajst-23754	14	11	solve	solve	VERB
ajst-23754	14	12	many	many	ADJ
ajst-23754	14	13	issues	issue	NOUN
ajst-23754	14	14	in	in	ADP
ajst-23754	14	15	our	our	PRON
ajst-23754	14	16	current	current	ADJ
ajst-23754	14	17	environment	environment	NOUN
ajst-23754	14	18	,	,	PUNCT
ajst-23754	14	19	where	where	SCONJ
ajst-23754	14	20	it	it	PRON
ajst-23754	14	21	plays	play	VERB
ajst-23754	14	22	a	a	DET
ajst-23754	14	23	crucial	crucial	ADJ
ajst-23754	14	24	role	role	NOUN
ajst-23754	14	25	.	.	PUNCT
ajst-23754	15	1	moreover	moreover	ADV
ajst-23754	15	2	,	,	PUNCT
ajst-23754	15	3	it	it	PRON
ajst-23754	15	4	holds	hold	VERB
ajst-23754	15	5	a	a	DET
ajst-23754	15	6	significant	significant	ADJ
ajst-23754	15	7	position	position	NOUN
ajst-23754	15	8	in	in	ADP
ajst-23754	15	9	technological	technological	ADJ
ajst-23754	15	10	progress	progress	NOUN
ajst-23754	15	11	.	.	PUNCT
ajst-23754	16	1	for	for	ADP
ajst-23754	16	2	example	example	NOUN
ajst-23754	16	3	,	,	PUNCT
ajst-23754	16	4	in	in	ADP
ajst-23754	16	5	people	people	NOUN
ajst-23754	16	6	's	's	PART
ajst-23754	16	7	daily	daily	ADJ
ajst-23754	16	8	lives	life	NOUN
ajst-23754	16	9	,	,	PUNCT
ajst-23754	16	10	delivery	delivery	NOUN
ajst-23754	16	11	personnel	personnel	NOUN
ajst-23754	16	12	rely	rely	VERB
ajst-23754	16	13	on	on	ADP
ajst-23754	16	14	provided	provide	VERB
ajst-23754	16	15	location	location	NOUN
ajst-23754	16	16	information	information	NOUN
ajst-23754	16	17	to	to	PART
ajst-23754	16	18	plan	plan	VERB
ajst-23754	16	19	the	the	DET
ajst-23754	16	20	shortest	short	ADJ
ajst-23754	16	21	route	route	NOUN
ajst-23754	16	22	and	and	CCONJ
ajst-23754	16	23	find	find	VERB
ajst-23754	16	24	the	the	DET
ajst-23754	16	25	delivery	delivery	NOUN
ajst-23754	16	26	destination	destination	NOUN
ajst-23754	16	27	.	.	PUNCT
ajst-23754	17	1	tourists	tourist	NOUN
ajst-23754	17	2	visiting	visit	VERB
ajst-23754	17	3	a	a	DET
ajst-23754	17	4	new	new	ADJ
ajst-23754	17	5	place	place	NOUN
ajst-23754	17	6	find	find	VERB
ajst-23754	17	7	in	in	ADP
ajst-23754	17	8	-	-	PUNCT
ajst-23754	17	9	car	car	NOUN
ajst-23754	17	10	navigation	navigation	NOUN
ajst-23754	17	11	indispensable	indispensable	NOUN
ajst-23754	17	12	.	.	PUNCT
ajst-23754	18	1	the	the	DET
ajst-23754	18	2	basic	basic	ADJ
ajst-23754	18	3	idea	idea	NOUN
ajst-23754	18	4	of	of	ADP
ajst-23754	18	5	satellite	satellite	NOUN
ajst-23754	18	6	positioning	positioning	NOUN
ajst-23754	18	7	involves	involve	VERB
ajst-23754	18	8	precise	precise	ADJ
ajst-23754	18	9	time	time	NOUN
ajst-23754	18	10	synchronization	synchronization	NOUN
ajst-23754	18	11	and	and	CCONJ
ajst-23754	18	12	determining	determine	VERB
ajst-23754	18	13	one	one	PRON
ajst-23754	18	14	's	's	PART
ajst-23754	18	15	own	own	ADJ
ajst-23754	18	16	position	position	NOUN
ajst-23754	18	17	.	.	PUNCT
ajst-23754	19	1	satellite	satellite	NOUN
ajst-23754	19	2	signals	signal	NOUN
ajst-23754	19	3	propagate	propagate	VERB
ajst-23754	19	4	at	at	ADP
ajst-23754	19	5	the	the	DET
ajst-23754	19	6	speed	speed	NOUN
ajst-23754	19	7	of	of	ADP
ajst-23754	19	8	light	light	NOUN
ajst-23754	19	9	.	.	PUNCT
ajst-23754	20	1	when	when	SCONJ
ajst-23754	20	2	a	a	DET
ajst-23754	20	3	receiver	receiver	NOUN
ajst-23754	20	4	picks	pick	VERB
ajst-23754	20	5	up	up	ADP
ajst-23754	20	6	the	the	DET
ajst-23754	20	7	signal	signal	NOUN
ajst-23754	20	8	,	,	PUNCT
ajst-23754	20	9	it	it	PRON
ajst-23754	20	10	can	can	AUX
ajst-23754	20	11	measure	measure	VERB
ajst-23754	20	12	the	the	DET
ajst-23754	20	13	time	time	NOUN
ajst-23754	20	14	it	it	PRON
ajst-23754	20	15	takes	take	VERB
ajst-23754	20	16	for	for	SCONJ
ajst-23754	20	17	the	the	DET
ajst-23754	20	18	signal	signal	NOUN
ajst-23754	20	19	to	to	PART
ajst-23754	20	20	travel	travel	VERB
ajst-23754	20	21	from	from	ADP
ajst-23754	20	22	the	the	DET
ajst-23754	20	23	satellite	satellite	NOUN
ajst-23754	20	24	to	to	ADP
ajst-23754	20	25	the	the	DET
ajst-23754	20	26	receiver	receiver	NOUN
ajst-23754	20	27	.	.	PUNCT
ajst-23754	21	1	since	since	SCONJ
ajst-23754	21	2	the	the	DET
ajst-23754	21	3	speed	speed	NOUN
ajst-23754	21	4	of	of	ADP
ajst-23754	21	5	light	light	NOUN
ajst-23754	21	6	is	be	AUX
ajst-23754	21	7	known	know	VERB
ajst-23754	21	8	,	,	PUNCT
ajst-23754	21	9	the	the	DET
ajst-23754	21	10	receiver	receiver	NOUN
ajst-23754	21	11	can	can	AUX
ajst-23754	21	12	calculate	calculate	VERB
ajst-23754	21	13	the	the	DET
ajst-23754	21	14	distance	distance	NOUN
ajst-23754	21	15	to	to	ADP
ajst-23754	21	16	the	the	DET
ajst-23754	21	17	satellite	satellite	NOUN
ajst-23754	21	18	based	base	VERB
ajst-23754	21	19	on	on	ADP
ajst-23754	21	20	the	the	DET
ajst-23754	21	21	travel	travel	NOUN
ajst-23754	21	22	time	time	NOUN
ajst-23754	21	23	,	,	PUNCT
ajst-23754	21	24	which	which	PRON
ajst-23754	21	25	is	be	AUX
ajst-23754	21	26	known	know	VERB
ajst-23754	21	27	as	as	ADP
ajst-23754	21	28	the	the	DET
ajst-23754	21	29	pseudorange	pseudorange	NOUN
ajst-23754	21	30	.	.	PUNCT
ajst-23754	22	1	however	however	ADV
ajst-23754	22	2	,	,	PUNCT
ajst-23754	22	3	to	to	PART
ajst-23754	22	4	determine	determine	VERB
ajst-23754	22	5	a	a	DET
ajst-23754	22	6	three	three	NUM
ajst-23754	22	7	-	-	PUNCT
ajst-23754	22	8	dimensional	dimensional	ADJ
ajst-23754	22	9	position	position	NOUN
ajst-23754	22	10	,	,	PUNCT
ajst-23754	22	11	the	the	DET
ajst-23754	22	12	receiver	receiver	NOUN
ajst-23754	22	13	needs	need	VERB
ajst-23754	22	14	to	to	PART
ajst-23754	22	15	receive	receive	VERB
ajst-23754	22	16	signals	signal	NOUN
ajst-23754	22	17	from	from	ADP
ajst-23754	22	18	at	at	ADP
ajst-23754	22	19	least	least	ADJ
ajst-23754	22	20	four	four	NUM
ajst-23754	22	21	satellites	satellite	NOUN
ajst-23754	22	22	:	:	PUNCT
ajst-23754	22	23	three	three	NUM
ajst-23754	22	24	satellites	satellite	NOUN
ajst-23754	22	25	provide	provide	VERB
ajst-23754	22	26	the	the	DET
ajst-23754	22	27	basic	basic	ADJ
ajst-23754	22	28	data	datum	NOUN
ajst-23754	22	29	for	for	ADP
ajst-23754	22	30	three	three	NUM
ajst-23754	22	31	-	-	PUNCT
ajst-23754	22	32	dimensional	dimensional	ADJ
ajst-23754	22	33	positioning	positioning	NOUN
ajst-23754	22	34	,	,	PUNCT
ajst-23754	22	35	and	and	CCONJ
ajst-23754	22	36	the	the	DET
ajst-23754	22	37	fourth	fourth	ADJ
ajst-23754	22	38	satellite	satellite	NOUN
ajst-23754	22	39	is	be	AUX
ajst-23754	22	40	used	use	VERB
ajst-23754	22	41	to	to	PART
ajst-23754	22	42	correct	correct	VERB
ajst-23754	22	43	the	the	DET
ajst-23754	22	44	receiver	receiver	NOUN
ajst-23754	22	45	's	's	PART
ajst-23754	22	46	clock	clock	NOUN
ajst-23754	22	47	error	error	NOUN
ajst-23754	22	48	.	.	PUNCT
ajst-23754	23	1	by	by	ADP
ajst-23754	23	2	solving	solve	VERB
ajst-23754	23	3	these	these	DET
ajst-23754	23	4	satellites	satellite	NOUN
ajst-23754	23	5	'	'	PART
ajst-23754	23	6	pseudoranges	pseudorange	NOUN
ajst-23754	23	7	,	,	PUNCT
ajst-23754	23	8	the	the	DET
ajst-23754	23	9	receiver	receiver	NOUN
ajst-23754	23	10	can	can	AUX
ajst-23754	23	11	determine	determine	VERB
ajst-23754	23	12	its	its	PRON
ajst-23754	23	13	position	position	NOUN
ajst-23754	23	14	.	.	PUNCT
ajst-23754	24	1	while	while	SCONJ
ajst-23754	24	2	the	the	DET
ajst-23754	24	3	basic	basic	ADJ
ajst-23754	24	4	principle	principle	NOUN
ajst-23754	24	5	is	be	AUX
ajst-23754	24	6	straightforward	straightforward	ADJ
ajst-23754	24	7	,	,	PUNCT
ajst-23754	24	8	the	the	DET
ajst-23754	24	9	process	process	NOUN
ajst-23754	24	10	of	of	ADP
ajst-23754	24	11	signal	signal	ADJ
ajst-23754	24	12	propagation	propagation	NOUN
ajst-23754	24	13	is	be	AUX
ajst-23754	24	14	subject	subject	ADJ
ajst-23754	24	15	to	to	ADP
ajst-23754	24	16	several	several	ADJ
ajst-23754	24	17	factors	factor	NOUN
ajst-23754	24	18	that	that	PRON
ajst-23754	24	19	limit	limit	VERB
ajst-23754	24	20	positioning	positioning	NOUN
ajst-23754	24	21	accuracy	accuracy	NOUN
ajst-23754	24	22	.	.	PUNCT
ajst-23754	25	1	these	these	PRON
ajst-23754	25	2	include	include	VERB
ajst-23754	25	3	the	the	DET
ajst-23754	25	4	influence	influence	NOUN
ajst-23754	25	5	of	of	ADP
ajst-23754	25	6	water	water	NOUN
ajst-23754	25	7	vapor	vapor	NOUN
ajst-23754	25	8	,	,	PUNCT
ajst-23754	25	9	atmospheric	atmospheric	ADJ
ajst-23754	25	10	dust	dust	NOUN
ajst-23754	25	11	,	,	PUNCT
ajst-23754	25	12	electron	electron	NOUN
ajst-23754	25	13	density	density	NOUN
ajst-23754	25	14	in	in	ADP
ajst-23754	25	15	the	the	DET
ajst-23754	25	16	ionosphere	ionosphere	NOUN
ajst-23754	26	1	[	[	X
ajst-23754	26	2	1	1	NUM
ajst-23754	26	3	]	]	PUNCT
ajst-23754	26	4	,	,	PUNCT
ajst-23754	26	5	satellite	satellite	NOUN
ajst-23754	26	6	clock	clock	NOUN
ajst-23754	26	7	errors	error	NOUN
ajst-23754	26	8	,	,	PUNCT
ajst-23754	26	9	multipath	multipath	NOUN
ajst-23754	26	10	effects	effect	NOUN
ajst-23754	26	11	,	,	PUNCT
ajst-23754	26	12	and	and	CCONJ
ajst-23754	26	13	satellite	satellite	NOUN
ajst-23754	26	14	orbit	orbit	NOUN
ajst-23754	26	15	errors	error	NOUN
ajst-23754	26	16	.	.	PUNCT
ajst-23754	27	1	therefore	therefore	ADV
ajst-23754	27	2	,	,	PUNCT
ajst-23754	27	3	exploring	explore	VERB
ajst-23754	27	4	ways	way	NOUN
ajst-23754	27	5	to	to	PART
ajst-23754	27	6	achieve	achieve	VERB
ajst-23754	27	7	higher	high	ADJ
ajst-23754	27	8	positioning	positioning	NOUN
ajst-23754	27	9	accuracy	accuracy	NOUN
ajst-23754	27	10	has	have	AUX
ajst-23754	27	11	always	always	ADV
ajst-23754	27	12	been	be	AUX
ajst-23754	27	13	a	a	DET
ajst-23754	27	14	challenging	challenging	ADJ
ajst-23754	27	15	issue	issue	NOUN
ajst-23754	27	16	and	and	CCONJ
ajst-23754	27	17	a	a	DET
ajst-23754	27	18	topic	topic	NOUN
ajst-23754	27	19	of	of	ADP
ajst-23754	27	20	ongoing	ongoing	ADJ
ajst-23754	27	21	research	research	NOUN
ajst-23754	27	22	for	for	ADP
ajst-23754	27	23	many	many	ADJ
ajst-23754	27	24	scholars	scholar	NOUN
ajst-23754	27	25	.	.	PUNCT
ajst-23754	28	1	2	2	X
ajst-23754	28	2	.	.	X
ajst-23754	28	3	accuracy	accuracy	NOUN
ajst-23754	28	4	and	and	CCONJ
ajst-23754	28	5	error	error	NOUN
ajst-23754	28	6	handling	handling	NOUN
ajst-23754	28	7	in	in	ADP
ajst-23754	28	8	navigation	navigation	NOUN
ajst-23754	28	9	and	and	CCONJ
ajst-23754	28	10	positioning	positioning	NOUN
ajst-23754	28	11	technology	technology	NOUN
ajst-23754	28	12	navigation	navigation	NOUN
ajst-23754	28	13	and	and	CCONJ
ajst-23754	28	14	positioning	positioning	NOUN
ajst-23754	28	15	technology	technology	NOUN
ajst-23754	28	16	has	have	AUX
ajst-23754	28	17	rapidly	rapidly	ADV
ajst-23754	28	18	evolved	evolve	VERB
ajst-23754	28	19	from	from	ADP
ajst-23754	28	20	manual	manual	ADJ
ajst-23754	28	21	measurements	measurement	NOUN
ajst-23754	28	22	to	to	ADP
ajst-23754	28	23	using	use	VERB
ajst-23754	28	24	satellites	satellite	NOUN
ajst-23754	28	25	to	to	PART
ajst-23754	28	26	transmit	transmit	VERB
ajst-23754	28	27	electromagnetic	electromagnetic	ADJ
ajst-23754	28	28	waves	wave	NOUN
ajst-23754	28	29	to	to	ADP
ajst-23754	28	30	ground	ground	NOUN
ajst-23754	28	31	stations	station	NOUN
ajst-23754	28	32	.	.	PUNCT
ajst-23754	29	1	systems	system	NOUN
ajst-23754	29	2	like	like	ADP
ajst-23754	29	3	the	the	DET
ajst-23754	29	4	united	united	PROPN
ajst-23754	29	5	states	states	PROPN
ajst-23754	29	6	'	'	PART
ajst-23754	29	7	gps	gps	PROPN
ajst-23754	29	8	,	,	PUNCT
ajst-23754	29	9	europe	europe	PROPN
ajst-23754	29	10	's	's	PART
ajst-23754	29	11	galileo	galileo	NOUN
ajst-23754	29	12	,	,	PUNCT
ajst-23754	29	13	and	and	CCONJ
ajst-23754	29	14	china	china	PROPN
ajst-23754	29	15	's	's	PART
ajst-23754	29	16	beidou	beidou	NOUN
ajst-23754	29	17	have	have	AUX
ajst-23754	29	18	collected	collect	VERB
ajst-23754	29	19	extensive	extensive	ADJ
ajst-23754	29	20	global	global	ADJ
ajst-23754	29	21	point	point	NOUN
ajst-23754	29	22	data	datum	NOUN
ajst-23754	29	23	.	.	PUNCT
ajst-23754	30	1	in	in	ADP
ajst-23754	30	2	this	this	DET
ajst-23754	30	3	process	process	NOUN
ajst-23754	30	4	,	,	PUNCT
ajst-23754	30	5	accuracy	accuracy	NOUN
ajst-23754	30	6	is	be	AUX
ajst-23754	30	7	paramount	paramount	ADJ
ajst-23754	30	8	.	.	PUNCT
ajst-23754	31	1	most	most	ADJ
ajst-23754	31	2	people	people	NOUN
ajst-23754	31	3	spend	spend	VERB
ajst-23754	31	4	a	a	DET
ajst-23754	31	5	significant	significant	ADJ
ajst-23754	31	6	amount	amount	NOUN
ajst-23754	31	7	of	of	ADP
ajst-23754	31	8	time	time	NOUN
ajst-23754	31	9	indoors	indoor	NOUN
ajst-23754	31	10	,	,	PUNCT
ajst-23754	31	11	where	where	SCONJ
ajst-23754	31	12	buildings	building	NOUN
ajst-23754	31	13	block	block	VERB
ajst-23754	31	14	electromagnetic	electromagnetic	ADJ
ajst-23754	31	15	signals	signal	NOUN
ajst-23754	31	16	,	,	PUNCT
ajst-23754	31	17	necessitating	necessitate	VERB
ajst-23754	31	18	precise	precise	ADJ
ajst-23754	31	19	data	datum	NOUN
ajst-23754	31	20	processing	processing	NOUN
ajst-23754	31	21	methods	method	NOUN
ajst-23754	31	22	to	to	PART
ajst-23754	31	23	address	address	VERB
ajst-23754	31	24	this	this	DET
ajst-23754	31	25	challenge	challenge	NOUN
ajst-23754	31	26	.	.	PUNCT
ajst-23754	32	1	absolute	absolute	ADJ
ajst-23754	32	2	positioning	positioning	NOUN
ajst-23754	32	3	and	and	CCONJ
ajst-23754	32	4	relative	relative	ADJ
ajst-23754	32	5	positioning	positioning	NOUN
ajst-23754	32	6	are	be	AUX
ajst-23754	32	7	the	the	DET
ajst-23754	32	8	two	two	NUM
ajst-23754	32	9	main	main	ADJ
ajst-23754	32	10	methods	method	NOUN
ajst-23754	32	11	,	,	PUNCT
ajst-23754	32	12	with	with	ADP
ajst-23754	32	13	the	the	DET
ajst-23754	32	14	latter	latter	ADJ
ajst-23754	32	15	being	be	AUX
ajst-23754	32	16	more	more	ADV
ajst-23754	32	17	widely	widely	ADV
ajst-23754	32	18	used	use	VERB
ajst-23754	32	19	.	.	PUNCT
ajst-23754	33	1	various	various	ADJ
ajst-23754	33	2	errors	error	NOUN
ajst-23754	33	3	,	,	PUNCT
ajst-23754	33	4	such	such	ADJ
ajst-23754	33	5	as	as	ADP
ajst-23754	33	6	clock	clock	NOUN
ajst-23754	33	7	errors	error	NOUN
ajst-23754	33	8	,	,	PUNCT
ajst-23754	33	9	ionospheric	ionospheric	ADJ
ajst-23754	33	10	delays	delay	NOUN
ajst-23754	33	11	,	,	PUNCT
ajst-23754	33	12	and	and	CCONJ
ajst-23754	33	13	measurement	measurement	NOUN
ajst-23754	33	14	errors	error	NOUN
ajst-23754	33	15	[	[	X
ajst-23754	33	16	2	2	NUM
ajst-23754	33	17	]	]	PUNCT
ajst-23754	33	18	,	,	PUNCT
ajst-23754	33	19	must	must	AUX
ajst-23754	33	20	be	be	AUX
ajst-23754	33	21	considered	consider	VERB
ajst-23754	33	22	during	during	ADP
ajst-23754	33	23	positioning	positioning	NOUN
ajst-23754	33	24	.	.	PUNCT
ajst-23754	34	1	the	the	DET
ajst-23754	34	2	precise	precise	ADJ
ajst-23754	34	3	positioning	positioning	NOUN
ajst-23754	34	4	process	process	NOUN
ajst-23754	34	5	includes	include	VERB
ajst-23754	34	6	data	datum	NOUN
ajst-23754	34	7	reading	reading	NOUN
ajst-23754	34	8	,	,	PUNCT
ajst-23754	34	9	preprocessing	preprocessing	NOUN
ajst-23754	34	10	,	,	PUNCT
ajst-23754	34	11	error	error	NOUN
ajst-23754	34	12	model	model	NOUN
ajst-23754	34	13	correction	correction	NOUN
ajst-23754	34	14	,	,	PUNCT
ajst-23754	34	15	accuracy	accuracy	NOUN
ajst-23754	34	16	evaluation	evaluation	NOUN
ajst-23754	34	17	,	,	PUNCT
ajst-23754	34	18	and	and	CCONJ
ajst-23754	34	19	result	result	VERB
ajst-23754	34	20	output	output	NOUN
ajst-23754	34	21	.	.	PUNCT
ajst-23754	35	1	ppp	ppp	NOUN
ajst-23754	35	2	(	(	PUNCT
ajst-23754	35	3	precise	precise	ADJ
ajst-23754	35	4	point	point	NOUN
ajst-23754	35	5	positioning	positioning	NOUN
ajst-23754	35	6	)	)	PUNCT
ajst-23754	35	7	and	and	CCONJ
ajst-23754	35	8	rtk	rtk	PROPN
ajst-23754	35	9	(	(	PUNCT
ajst-23754	35	10	real	real	ADJ
ajst-23754	35	11	-	-	PUNCT
ajst-23754	35	12	time	time	NOUN
ajst-23754	35	13	kinematic	kinematic	NOUN
ajst-23754	35	14	)	)	PUNCT
ajst-23754	35	15	are	be	AUX
ajst-23754	35	16	the	the	DET
ajst-23754	35	17	two	two	NUM
ajst-23754	35	18	main	main	ADJ
ajst-23754	35	19	technologies	technology	NOUN
ajst-23754	35	20	,	,	PUNCT
ajst-23754	35	21	each	each	PRON
ajst-23754	35	22	with	with	ADP
ajst-23754	35	23	its	its	PRON
ajst-23754	35	24	advantages	advantage	NOUN
ajst-23754	35	25	and	and	CCONJ
ajst-23754	35	26	disadvantages	disadvantage	NOUN
ajst-23754	35	27	.	.	PUNCT
ajst-23754	36	1	ppp	ppp	NOUN
ajst-23754	36	2	-	-	PUNCT
ajst-23754	36	3	rtk	rtk	PROPN
ajst-23754	36	4	,	,	PUNCT
ajst-23754	36	5	which	which	PRON
ajst-23754	36	6	combines	combine	VERB
ajst-23754	36	7	the	the	DET
ajst-23754	36	8	strengths	strength	NOUN
ajst-23754	36	9	of	of	ADP
ajst-23754	36	10	both	both	PRON
ajst-23754	36	11	,	,	PUNCT
ajst-23754	36	12	is	be	AUX
ajst-23754	36	13	considered	consider	VERB
ajst-23754	36	14	the	the	DET
ajst-23754	36	15	preferred	preferred	ADJ
ajst-23754	36	16	technology	technology	NOUN
ajst-23754	36	17	for	for	ADP
ajst-23754	36	18	future	future	ADJ
ajst-23754	36	19	autonomous	autonomous	ADJ
ajst-23754	36	20	driving	driving	NOUN
ajst-23754	36	21	.	.	PUNCT
ajst-23754	37	1	3	3	X
ajst-23754	37	2	.	.	X
ajst-23754	37	3	integrated	integrate	VERB
ajst-23754	37	4	navigation	navigation	NOUN
ajst-23754	37	5	with	with	ADP
ajst-23754	37	6	gnss	gnss	NOUN
ajst-23754	37	7	and	and	CCONJ
ajst-23754	37	8	ins	in	NOUN
ajst-23754	37	9	although	although	SCONJ
ajst-23754	37	10	gnss	gnss	NOUN
ajst-23754	37	11	systems	system	NOUN
ajst-23754	37	12	provide	provide	VERB
ajst-23754	37	13	long	long	ADJ
ajst-23754	37	14	-	-	PUNCT
ajst-23754	37	15	term	term	NOUN
ajst-23754	37	16	high	high	ADJ
ajst-23754	37	17	accuracy	accuracy	NOUN
ajst-23754	37	18	,	,	PUNCT
ajst-23754	37	19	they	they	PRON
ajst-23754	37	20	suffer	suffer	VERB
ajst-23754	37	21	from	from	ADP
ajst-23754	37	22	issues	issue	NOUN
ajst-23754	37	23	like	like	ADP
ajst-23754	37	24	high	high	ADJ
ajst-23754	37	25	-	-	PUNCT
ajst-23754	37	26	frequency	frequency	NOUN
ajst-23754	37	27	noise	noise	NOUN
ajst-23754	37	28	,	,	PUNCT
ajst-23754	37	29	low	low	ADJ
ajst-23754	37	30	249	249	NUM
ajst-23754	37	31	sampling	sample	VERB
ajst-23754	37	32	frequency	frequency	NOUN
ajst-23754	37	33	,	,	PUNCT
ajst-23754	37	34	and	and	CCONJ
ajst-23754	37	35	susceptibility	susceptibility	NOUN
ajst-23754	37	36	to	to	ADP
ajst-23754	37	37	electromagnetic	electromagnetic	ADJ
ajst-23754	37	38	interference	interference	NOUN
ajst-23754	37	39	.	.	PUNCT
ajst-23754	38	1	ins	in	NOUN
ajst-23754	38	2	systems	system	NOUN
ajst-23754	38	3	,	,	PUNCT
ajst-23754	38	4	while	while	SCONJ
ajst-23754	38	5	highly	highly	ADV
ajst-23754	38	6	accurate	accurate	ADJ
ajst-23754	38	7	in	in	ADP
ajst-23754	38	8	the	the	DET
ajst-23754	38	9	short	short	ADJ
ajst-23754	38	10	term	term	NOUN
ajst-23754	38	11	,	,	PUNCT
ajst-23754	38	12	accumulate	accumulate	VERB
ajst-23754	38	13	errors	error	NOUN
ajst-23754	38	14	over	over	ADP
ajst-23754	38	15	time	time	NOUN
ajst-23754	38	16	.	.	PUNCT
ajst-23754	39	1	integrated	integrate	VERB
ajst-23754	39	2	navigation	navigation	NOUN
ajst-23754	39	3	using	use	VERB
ajst-23754	39	4	gnss	gns	NOUN
ajst-23754	39	5	and	and	CCONJ
ajst-23754	39	6	ins	ins	PROPN
ajst-23754	39	7	combines	combine	VERB
ajst-23754	39	8	the	the	DET
ajst-23754	39	9	advantages	advantage	NOUN
ajst-23754	39	10	of	of	ADP
ajst-23754	39	11	both	both	DET
ajst-23754	39	12	systems	system	NOUN
ajst-23754	39	13	,	,	PUNCT
ajst-23754	39	14	enhancing	enhance	VERB
ajst-23754	39	15	overall	overall	ADJ
ajst-23754	39	16	system	system	NOUN
ajst-23754	39	17	accuracy	accuracy	NOUN
ajst-23754	39	18	and	and	CCONJ
ajst-23754	39	19	reliability	reliability	NOUN
ajst-23754	39	20	.	.	PUNCT
ajst-23754	40	1	further	far	ADV
ajst-23754	40	2	combining	combine	VERB
ajst-23754	40	3	this	this	PRON
ajst-23754	40	4	with	with	ADP
ajst-23754	40	5	visual	visual	ADJ
ajst-23754	40	6	positioning	positioning	NOUN
ajst-23754	40	7	technology	technology	NOUN
ajst-23754	40	8	,	,	PUNCT
ajst-23754	40	9	which	which	PRON
ajst-23754	40	10	captures	capture	VERB
ajst-23754	40	11	environmental	environmental	ADJ
ajst-23754	40	12	features	feature	NOUN
ajst-23754	40	13	through	through	ADP
ajst-23754	40	14	cameras	camera	NOUN
ajst-23754	40	15	and	and	CCONJ
ajst-23754	40	16	uses	use	VERB
ajst-23754	40	17	intelligent	intelligent	ADJ
ajst-23754	40	18	algorithms	algorithm	NOUN
ajst-23754	40	19	to	to	PART
ajst-23754	40	20	analyze	analyze	VERB
ajst-23754	40	21	the	the	DET
ajst-23754	40	22	three	three	NUM
ajst-23754	40	23	-	-	PUNCT
ajst-23754	40	24	dimensional	dimensional	ADJ
ajst-23754	40	25	spatial	spatial	ADJ
ajst-23754	40	26	position	position	NOUN
ajst-23754	40	27	of	of	ADP
ajst-23754	40	28	targets	target	NOUN
ajst-23754	40	29	,	,	PUNCT
ajst-23754	40	30	achieves	achieve	VERB
ajst-23754	40	31	multimodal	multimodal	ADJ
ajst-23754	40	32	integration	integration	NOUN
ajst-23754	40	33	,	,	PUNCT
ajst-23754	40	34	further	far	ADV
ajst-23754	40	35	improving	improve	VERB
ajst-23754	40	36	the	the	DET
ajst-23754	40	37	accuracy	accuracy	NOUN
ajst-23754	40	38	and	and	CCONJ
ajst-23754	40	39	reliability	reliability	NOUN
ajst-23754	40	40	of	of	ADP
ajst-23754	40	41	navigation	navigation	NOUN
ajst-23754	40	42	systems	system	NOUN
ajst-23754	40	43	.	.	PUNCT
ajst-23754	41	1	4	4	X
ajst-23754	41	2	.	.	X
ajst-23754	41	3	indoor	indoor	ADJ
ajst-23754	41	4	navigation	navigation	NOUN
ajst-23754	41	5	and	and	CCONJ
ajst-23754	41	6	positioning	positioning	NOUN
ajst-23754	41	7	technology	technology	NOUN
ajst-23754	41	8	while	while	SCONJ
ajst-23754	41	9	satellite	satellite	NOUN
ajst-23754	41	10	navigation	navigation	NOUN
ajst-23754	41	11	systems	system	NOUN
ajst-23754	41	12	have	have	AUX
ajst-23754	41	13	met	meet	VERB
ajst-23754	41	14	outdoor	outdoor	ADJ
ajst-23754	41	15	navigation	navigation	NOUN
ajst-23754	41	16	needs	need	NOUN
ajst-23754	41	17	,	,	PUNCT
ajst-23754	41	18	there	there	PRON
ajst-23754	41	19	is	be	VERB
ajst-23754	41	20	still	still	ADV
ajst-23754	41	21	a	a	DET
ajst-23754	41	22	huge	huge	ADJ
ajst-23754	41	23	demand	demand	NOUN
ajst-23754	41	24	for	for	ADP
ajst-23754	41	25	indoor	indoor	ADJ
ajst-23754	41	26	navigation	navigation	NOUN
ajst-23754	41	27	.	.	PUNCT
ajst-23754	42	1	in	in	ADP
ajst-23754	42	2	complex	complex	ADJ
ajst-23754	42	3	indoor	indoor	ADJ
ajst-23754	42	4	environments	environment	NOUN
ajst-23754	42	5	,	,	PUNCT
ajst-23754	42	6	such	such	ADJ
ajst-23754	42	7	as	as	ADP
ajst-23754	42	8	large	large	ADJ
ajst-23754	42	9	basements	basement	NOUN
ajst-23754	42	10	,	,	PUNCT
ajst-23754	42	11	malls	mall	NOUN
ajst-23754	42	12	,	,	PUNCT
ajst-23754	42	13	and	and	CCONJ
ajst-23754	42	14	workshops	workshop	NOUN
ajst-23754	42	15	,	,	PUNCT
ajst-23754	42	16	higher	high	ADJ
ajst-23754	42	17	positioning	positioning	NOUN
ajst-23754	42	18	accuracy	accuracy	NOUN
ajst-23754	42	19	is	be	AUX
ajst-23754	42	20	required	require	VERB
ajst-23754	42	21	.	.	PUNCT
ajst-23754	43	1	infrared	infrared	ADJ
ajst-23754	43	2	positioning	positioning	NOUN
ajst-23754	43	3	,	,	PUNCT
ajst-23754	43	4	due	due	ADP
ajst-23754	43	5	to	to	ADP
ajst-23754	43	6	its	its	PRON
ajst-23754	43	7	weak	weak	ADJ
ajst-23754	43	8	penetration	penetration	NOUN
ajst-23754	43	9	capability	capability	NOUN
ajst-23754	43	10	,	,	PUNCT
ajst-23754	43	11	results	result	NOUN
ajst-23754	43	12	in	in	ADP
ajst-23754	43	13	insufficient	insufficient	ADJ
ajst-23754	43	14	positioning	positioning	NOUN
ajst-23754	43	15	ability	ability	NOUN
ajst-23754	43	16	.	.	PUNCT
ajst-23754	44	1	inertial	inertial	ADJ
ajst-23754	44	2	navigation	navigation	NOUN
ajst-23754	44	3	technology	technology	NOUN
ajst-23754	44	4	can	can	AUX
ajst-23754	44	5	calculate	calculate	VERB
ajst-23754	44	6	positions	position	NOUN
ajst-23754	44	7	but	but	CCONJ
ajst-23754	44	8	suffers	suffer	VERB
ajst-23754	44	9	from	from	ADP
ajst-23754	44	10	error	error	NOUN
ajst-23754	44	11	accumulation	accumulation	NOUN
ajst-23754	44	12	over	over	ADP
ajst-23754	44	13	time	time	NOUN
ajst-23754	44	14	,	,	PUNCT
ajst-23754	44	15	which	which	PRON
ajst-23754	44	16	can	can	AUX
ajst-23754	44	17	potentially	potentially	ADV
ajst-23754	44	18	be	be	AUX
ajst-23754	44	19	mitigated	mitigate	VERB
ajst-23754	44	20	using	use	VERB
ajst-23754	44	21	artificial	artificial	ADJ
ajst-23754	44	22	intelligence	intelligence	NOUN
ajst-23754	44	23	(	(	PUNCT
ajst-23754	44	24	deep	deep	ADJ
ajst-23754	44	25	learning	learning	NOUN
ajst-23754	44	26	)	)	PUNCT
ajst-23754	44	27	.	.	PUNCT
ajst-23754	45	1	wi	wi	PROPN
ajst-23754	45	2	-	-	PUNCT
ajst-23754	45	3	fi	fi	NOUN
ajst-23754	45	4	and	and	CCONJ
ajst-23754	45	5	ultra	ultra	ADJ
ajst-23754	45	6	-	-	ADJ
ajst-23754	45	7	wideband	wideband	ADJ
ajst-23754	45	8	(	(	PUNCT
ajst-23754	45	9	uwb	uwb	NOUN
ajst-23754	45	10	)	)	PUNCT
ajst-23754	45	11	positioning	positioning	NOUN
ajst-23754	45	12	have	have	VERB
ajst-23754	45	13	their	their	PRON
ajst-23754	45	14	applications	application	NOUN
ajst-23754	45	15	but	but	CCONJ
ajst-23754	45	16	face	face	VERB
ajst-23754	45	17	issues	issue	NOUN
ajst-23754	45	18	like	like	ADP
ajst-23754	45	19	instability	instability	NOUN
ajst-23754	45	20	,	,	PUNCT
ajst-23754	45	21	high	high	ADJ
ajst-23754	45	22	cost	cost	NOUN
ajst-23754	45	23	,	,	PUNCT
ajst-23754	45	24	and	and	CCONJ
ajst-23754	45	25	high	high	ADJ
ajst-23754	45	26	-	-	PUNCT
ajst-23754	45	27	power	power	NOUN
ajst-23754	45	28	consumption	consumption	NOUN
ajst-23754	45	29	.	.	PUNCT
ajst-23754	46	1	combining	combine	VERB
ajst-23754	46	2	modern	modern	ADJ
ajst-23754	46	3	technologies	technology	NOUN
ajst-23754	46	4	(	(	PUNCT
ajst-23754	46	5	such	such	ADJ
ajst-23754	46	6	as	as	ADP
ajst-23754	46	7	5	5	NUM
ajst-23754	46	8	g	g	NOUN
ajst-23754	46	9	)	)	PUNCT
ajst-23754	46	10	with	with	ADP
ajst-23754	46	11	surveying	surveying	NOUN
ajst-23754	46	12	and	and	CCONJ
ajst-23754	46	13	mapping	mapping	NOUN
ajst-23754	46	14	can	can	AUX
ajst-23754	46	15	collaboratively	collaboratively	ADV
ajst-23754	46	16	address	address	VERB
ajst-23754	46	17	these	these	DET
ajst-23754	46	18	challenges	challenge	NOUN
ajst-23754	46	19	.	.	PUNCT
ajst-23754	47	1	5	5	X
ajst-23754	47	2	.	.	X
ajst-23754	47	3	the	the	DET
ajst-23754	47	4	role	role	NOUN
ajst-23754	47	5	of	of	ADP
ajst-23754	47	6	navigation	navigation	NOUN
ajst-23754	47	7	and	and	CCONJ
ajst-23754	47	8	positioning	positioning	NOUN
ajst-23754	47	9	in	in	ADP
ajst-23754	47	10	deep	deep	ADJ
ajst-23754	47	11	space	space	NOUN
ajst-23754	47	12	exploration	exploration	NOUN
ajst-23754	47	13	navigation	navigation	NOUN
ajst-23754	47	14	and	and	CCONJ
ajst-23754	47	15	positioning	positioning	NOUN
ajst-23754	47	16	play	play	VERB
ajst-23754	47	17	an	an	DET
ajst-23754	47	18	irreplaceable	irreplaceable	ADJ
ajst-23754	47	19	role	role	NOUN
ajst-23754	47	20	in	in	ADP
ajst-23754	47	21	deep	deep	ADJ
ajst-23754	47	22	space	space	NOUN
ajst-23754	47	23	exploration	exploration	NOUN
ajst-23754	47	24	.	.	PUNCT
ajst-23754	48	1	as	as	SCONJ
ajst-23754	48	2	the	the	DET
ajst-23754	48	3	aerospace	aerospace	NOUN
ajst-23754	48	4	industry	industry	NOUN
ajst-23754	48	5	develops	develop	VERB
ajst-23754	48	6	,	,	PUNCT
ajst-23754	48	7	the	the	DET
ajst-23754	48	8	number	number	NOUN
ajst-23754	48	9	of	of	ADP
ajst-23754	48	10	satellites	satellite	NOUN
ajst-23754	48	11	launched	launch	VERB
ajst-23754	48	12	into	into	ADP
ajst-23754	48	13	space	space	NOUN
ajst-23754	48	14	increases	increase	NOUN
ajst-23754	48	15	,	,	PUNCT
ajst-23754	48	16	making	make	VERB
ajst-23754	48	17	satellite	satellite	NOUN
ajst-23754	48	18	positioning	positioning	NOUN
ajst-23754	48	19	and	and	CCONJ
ajst-23754	48	20	tracking	track	VERB
ajst-23754	48	21	more	more	ADV
ajst-23754	48	22	important	important	ADJ
ajst-23754	48	23	,	,	PUNCT
ajst-23754	48	24	ensuring	ensure	VERB
ajst-23754	48	25	economic	economic	ADJ
ajst-23754	48	26	and	and	CCONJ
ajst-23754	48	27	security	security	NOUN
ajst-23754	48	28	benefits	benefit	NOUN
ajst-23754	48	29	.	.	PUNCT
ajst-23754	49	1	in	in	ADP
ajst-23754	49	2	deep	deep	ADJ
ajst-23754	49	3	space	space	NOUN
ajst-23754	49	4	exploration	exploration	NOUN
ajst-23754	49	5	,	,	PUNCT
ajst-23754	49	6	such	such	ADJ
ajst-23754	49	7	as	as	ADP
ajst-23754	49	8	the	the	DET
ajst-23754	49	9	positioning	positioning	NOUN
ajst-23754	49	10	of	of	ADP
ajst-23754	49	11	the	the	DET
ajst-23754	49	12	zhurong	zhurong	PROPN
ajst-23754	49	13	mars	mars	PROPN
ajst-23754	49	14	rover	rover	NOUN
ajst-23754	49	15	and	and	CCONJ
ajst-23754	49	16	future	future	ADJ
ajst-23754	49	17	explorations	exploration	NOUN
ajst-23754	49	18	into	into	ADP
ajst-23754	49	19	deeper	deep	ADJ
ajst-23754	49	20	space	space	NOUN
ajst-23754	49	21	,	,	PUNCT
ajst-23754	49	22	navigation	navigation	NOUN
ajst-23754	49	23	and	and	CCONJ
ajst-23754	49	24	positioning	positioning	NOUN
ajst-23754	49	25	technology	technology	NOUN
ajst-23754	49	26	will	will	AUX
ajst-23754	49	27	continue	continue	VERB
ajst-23754	49	28	to	to	PART
ajst-23754	49	29	play	play	VERB
ajst-23754	49	30	a	a	DET
ajst-23754	49	31	crucial	crucial	ADJ
ajst-23754	49	32	role	role	NOUN
ajst-23754	49	33	[	[	X
ajst-23754	49	34	3	3	NUM
ajst-23754	49	35	]	]	PUNCT
ajst-23754	49	36	.	.	PUNCT
ajst-23754	50	1	considering	consider	VERB
ajst-23754	50	2	the	the	DET
ajst-23754	50	3	future	future	NOUN
ajst-23754	50	4	,	,	PUNCT
ajst-23754	50	5	if	if	SCONJ
ajst-23754	50	6	an	an	DET
ajst-23754	50	7	asteroid	asteroid	NOUN
ajst-23754	50	8	were	be	AUX
ajst-23754	50	9	to	to	PART
ajst-23754	50	10	collide	collide	VERB
ajst-23754	50	11	with	with	ADP
ajst-23754	50	12	earth	earth	NOUN
ajst-23754	50	13	,	,	PUNCT
ajst-23754	50	14	whether	whether	SCONJ
ajst-23754	50	15	humanity	humanity	NOUN
ajst-23754	50	16	could	could	AUX
ajst-23754	50	17	accurately	accurately	ADV
ajst-23754	50	18	locate	locate	VERB
ajst-23754	50	19	it	it	PRON
ajst-23754	50	20	using	use	VERB
ajst-23754	50	21	navigation	navigation	NOUN
ajst-23754	50	22	and	and	CCONJ
ajst-23754	50	23	positioning	positioning	NOUN
ajst-23754	50	24	technology	technology	NOUN
ajst-23754	50	25	and	and	CCONJ
ajst-23754	50	26	alter	alter	VERB
ajst-23754	50	27	its	its	PRON
ajst-23754	50	28	trajectory	trajectory	NOUN
ajst-23754	50	29	is	be	AUX
ajst-23754	50	30	a	a	DET
ajst-23754	50	31	thought	thought	NOUN
ajst-23754	50	32	-	-	PUNCT
ajst-23754	50	33	provoking	provoking	ADJ
ajst-23754	50	34	question	question	NOUN
ajst-23754	50	35	.	.	PUNCT
ajst-23754	51	1	6	6	X
ajst-23754	51	2	.	.	X
ajst-23754	51	3	conclusion	conclusion	NOUN
ajst-23754	51	4	with	with	ADP
ajst-23754	51	5	the	the	DET
ajst-23754	51	6	development	development	NOUN
ajst-23754	51	7	of	of	ADP
ajst-23754	51	8	the	the	DET
ajst-23754	51	9	digital	digital	ADJ
ajst-23754	51	10	age	age	NOUN
ajst-23754	51	11	,	,	PUNCT
ajst-23754	51	12	the	the	DET
ajst-23754	51	13	surveying	surveying	NOUN
ajst-23754	51	14	and	and	CCONJ
ajst-23754	51	15	mapping	mapping	NOUN
ajst-23754	51	16	industry	industry	NOUN
ajst-23754	51	17	has	have	AUX
ajst-23754	51	18	entered	enter	VERB
ajst-23754	51	19	a	a	DET
ajst-23754	51	20	new	new	ADJ
ajst-23754	51	21	phase	phase	NOUN
ajst-23754	51	22	in	in	ADP
ajst-23754	51	23	information	information	NOUN
ajst-23754	51	24	collection	collection	NOUN
ajst-23754	51	25	and	and	CCONJ
ajst-23754	51	26	data	datum	NOUN
ajst-23754	51	27	acquisition	acquisition	NOUN
ajst-23754	51	28	.	.	PUNCT
ajst-23754	52	1	the	the	DET
ajst-23754	52	2	service	service	NOUN
ajst-23754	52	3	areas	area	NOUN
ajst-23754	52	4	and	and	CCONJ
ajst-23754	52	5	application	application	NOUN
ajst-23754	52	6	scope	scope	NOUN
ajst-23754	52	7	of	of	ADP
ajst-23754	52	8	surveying	surveying	NOUN
ajst-23754	52	9	will	will	AUX
ajst-23754	52	10	continue	continue	VERB
ajst-23754	52	11	to	to	PART
ajst-23754	52	12	expand	expand	VERB
ajst-23754	52	13	,	,	PUNCT
ajst-23754	52	14	further	far	ADV
ajst-23754	52	15	developing	develop	VERB
ajst-23754	52	16	and	and	CCONJ
ajst-23754	52	17	playing	play	VERB
ajst-23754	52	18	a	a	DET
ajst-23754	52	19	greater	great	ADJ
ajst-23754	52	20	role	role	NOUN
ajst-23754	52	21	supported	support	VERB
ajst-23754	52	22	by	by	ADP
ajst-23754	52	23	"	"	PUNCT
ajst-23754	52	24	3s	3s	NOUN
ajst-23754	52	25	"	"	PUNCT
ajst-23754	52	26	technologies	technology	NOUN
ajst-23754	52	27	(	(	PUNCT
ajst-23754	52	28	remote	remote	ADJ
ajst-23754	52	29	sensing	sensing	NOUN
ajst-23754	52	30	,	,	PUNCT
ajst-23754	52	31	gis	gis	NOUN
ajst-23754	52	32	,	,	PUNCT
ajst-23754	52	33	gps	gps	PROPN
ajst-23754	52	34	)	)	PUNCT
ajst-23754	52	35	.	.	PUNCT
ajst-23754	53	1	references	reference	NOUN
ajst-23754	53	2	[	[	X
ajst-23754	53	3	1	1	NUM
ajst-23754	53	4	]	]	X
ajst-23754	53	5	han	han	PROPN
ajst-23754	53	6	xihao	xihao	PROPN
ajst-23754	53	7	,	,	PUNCT
ajst-23754	53	8	zheng	zheng	PROPN
ajst-23754	53	9	shuaiyong	shuaiyong	PROPN
ajst-23754	53	10	,	,	PUNCT
ajst-23754	53	11	yang	yang	PROPN
ajst-23754	53	12	jianlei	jianlei	PROPN
ajst-23754	53	13	,	,	PUNCT
ajst-23754	53	14	et	et	PROPN
ajst-23754	53	15	al	al	PROPN
ajst-23754	53	16	.	.	PUNCT
ajst-23754	54	1	current	current	ADJ
ajst-23754	54	2	status	status	NOUN
ajst-23754	54	3	and	and	CCONJ
ajst-23754	54	4	devel	devel	NOUN
ajst-23754	54	5	-	-	PUNCT
ajst-23754	54	6	opment	opment	NOUN
ajst-23754	54	7	of	of	ADP
ajst-23754	54	8	ionospheric	ionospheric	ADJ
ajst-23754	54	9	error	error	NOUN
ajst-23754	54	10	correction	correction	NOUN
ajst-23754	54	11	techniques	technique	NOUN
ajst-23754	54	12	in	in	ADP
ajst-23754	54	13	satellite	satellite	NOUN
ajst-23754	54	14	navigation	navigation	NOUN
ajst-23754	54	15	systems	system	NOUN
ajst-23754	54	16	.	.	PUNCT
ajst-23754	55	1	global	global	ADJ
ajst-23754	55	2	navigation	navigation	NOUN
ajst-23754	55	3	satellite	satellite	NOUN
ajst-23754	55	4	system	system	NOUN
ajst-23754	55	5	,	,	PUNCT
ajst-23754	55	6	2024	2024	NUM
ajst-23754	55	7	,	,	PUNCT
ajst-23754	55	8	49(02	49(02	PROPN
ajst-23754	55	9	):	):	PUNCT
ajst-23754	55	10	111	111	NUM
ajst-23754	55	11	-	-	SYM
ajst-23754	55	12	126	126	NUM
ajst-23754	55	13	.	.	PUNCT
ajst-23754	56	1	[	[	X
ajst-23754	56	2	2	2	NUM
ajst-23754	56	3	]	]	X
ajst-23754	56	4	li	li	PROPN
ajst-23754	56	5	yuxing	yuxing	PROPN
ajst-23754	56	6	,	,	PUNCT
ajst-23754	56	7	mi	mi	PROPN
ajst-23754	56	8	jinzhong	jinzhong	PROPN
ajst-23754	56	9	,	,	PUNCT
ajst-23754	56	10	xu	xu	PROPN
ajst-23754	56	11	yantian	yantian	PROPN
ajst-23754	56	12	,	,	PUNCT
ajst-23754	56	13	et	et	PROPN
ajst-23754	56	14	al	al	PROPN
ajst-23754	56	15	.	.	PUNCT
ajst-23754	56	16	kalman	kalman	PROPN
ajst-23754	56	17	filter	filter	NOUN
ajst-23754	56	18	algorithm	algorithm	NOUN
ajst-23754	56	19	for	for	ADP
ajst-23754	56	20	estimating	estimate	VERB
ajst-23754	56	21	atmospheric	atmospheric	ADJ
ajst-23754	56	22	delay	delay	NOUN
ajst-23754	56	23	parameters	parameter	NOUN
ajst-23754	56	24	in	in	ADP
ajst-23754	56	25	medium	medium	ADJ
ajst-23754	56	26	-	-	PUNCT
ajst-23754	56	27	long	long	ADJ
ajst-23754	56	28	baseline	baseline	NOUN
ajst-23754	56	29	.	.	PUNCT
ajst-23754	57	1	geomatics	geomatic	NOUN
ajst-23754	57	2	and	and	CCONJ
ajst-23754	57	3	information	information	NOUN
ajst-23754	57	4	science	science	NOUN
ajst-23754	57	5	of	of	ADP
ajst-23754	57	6	wuhan	wuhan	PROPN
ajst-23754	57	7	university	university	PROPN
ajst-23754	57	8	,	,	PUNCT
ajst-23754	57	9	2022,47(09	2022,47(09	NUM
ajst-23754	57	10	):	):	PUNCT
ajst-23754	57	11	32	32	NUM
ajst-23754	57	12	-	-	SYM
ajst-23754	57	13	37	37	NUM
ajst-23754	57	14	.	.	PUNCT
ajst-23754	58	1	doi:10.16251/	doi:10.16251/	PROPN
ajst-23754	58	2	j.cnki	j.cnki	NOUN
ajst-23754	58	3	.	.	PUNCT
ajst-23754	59	1	1009	1009	NUM
ajst-23754	59	2	-	-	SYM
ajst-23754	59	3	2307.2022.09.004	2307.2022.09.004	PROPN
ajst-23754	59	4	.	.	PUNCT
ajst-23754	60	1	[	[	X
ajst-23754	60	2	3	3	X
ajst-23754	60	3	]	]	X
ajst-23754	60	4	chen	chen	PROPN
ajst-23754	60	5	gang	gang	PROPN
ajst-23754	60	6	,	,	PUNCT
ajst-23754	60	7	rao	rao	PROPN
ajst-23754	60	8	xin	xin	PROPN
ajst-23754	60	9	,	,	PUNCT
ajst-23754	60	10	zhu	zhu	PROPN
ajst-23754	60	11	yongtao	yongtao	PROPN
ajst-23754	60	12	,	,	PUNCT
ajst-23754	60	13	et	et	PROPN
ajst-23754	60	14	al	al	PROPN
ajst-23754	60	15	.	.	PUNCT
ajst-23754	60	16	current	current	ADJ
ajst-23754	60	17	status	status	NOUN
ajst-23754	60	18	and	and	CCONJ
ajst-23754	60	19	trends	trend	NOUN
ajst-23754	60	20	in	in	ADP
ajst-23754	60	21	inertial	inertial	ADJ
ajst-23754	60	22	navigation	navigation	NOUN
ajst-23754	60	23	technology	technology	NOUN
ajst-23754	60	24	for	for	ADP
ajst-23754	60	25	marine	marine	ADJ
ajst-23754	60	26	platforms	platform	NOUN
ajst-23754	60	27	.	.	PUNCT
ajst-23754	61	1	journal	journal	PROPN
ajst-23754	61	2	of	of	ADP
ajst-23754	61	3	harbin	harbin	PROPN
ajst-23754	61	4	engineering	engineering	PROPN
ajst-23754	61	5	university	university	PROPN
ajst-23754	61	6	,	,	PUNCT
ajst-23754	61	7	2023	2023	NUM
ajst-23754	61	8	,	,	PUNCT
ajst-23754	61	9	44(11	44(11	NUM
ajst-23754	61	10	):	):	PUNCT
ajst-23754	61	11	19021913	19021913	NUM
ajst-23754	61	12	.	.	PUNCT