id	sid	tid	token	lemma	pos
cet-4339	1	1	microsoft	microsoft	PROPN
cet-4339	1	2	word	word	NOUN
cet-4339	1	3	cet-01.docx	cet-01.docx	PROPN
cet-4339	1	4	chemical	chemical	NOUN
cet-4339	1	5	engineering	engineering	NOUN
cet-4339	1	6	transactions	transaction	NOUN
cet-4339	1	7	vol	vol	NOUN
cet-4339	1	8	.	.	PROPN
cet-4339	2	1	46	46	NUM
cet-4339	2	2	,	,	PUNCT
cet-4339	2	3	2015	2015	NUM
cet-4339	2	4	a	a	DET
cet-4339	2	5	publication	publication	NOUN
cet-4339	2	6	of	of	ADP
cet-4339	2	7	the	the	DET
cet-4339	2	8	italian	italian	ADJ
cet-4339	2	9	association	association	NOUN
cet-4339	2	10	of	of	ADP
cet-4339	2	11	chemical	chemical	PROPN
cet-4339	2	12	engineering	engineering	NOUN
cet-4339	2	13	online	online	ADV
cet-4339	2	14	at	at	ADP
cet-4339	2	15	www.aidic.it/cet	www.aidic.it/cet	PROPN
cet-4339	2	16	guest	guest	NOUN
cet-4339	2	17	editors	editor	NOUN
cet-4339	2	18	:	:	PUNCT
cet-4339	2	19	peiyu	peiyu	PROPN
cet-4339	2	20	ren	ren	PROPN
cet-4339	2	21	,	,	PUNCT
cet-4339	2	22	yancang	yancang	PROPN
cet-4339	2	23	li	li	PROPN
cet-4339	2	24	,	,	PUNCT
cet-4339	2	25	huiping	huipe	VERB
cet-4339	2	26	song	song	NOUN
cet-4339	2	27	copyright	copyright	NOUN
cet-4339	2	28	©	©	PROPN
cet-4339	2	29	2015	2015	NUM
cet-4339	2	30	,	,	PUNCT
cet-4339	2	31	aidic	aidic	ADJ
cet-4339	2	32	servizi	servizi	PROPN
cet-4339	2	33	s.r.l	s.r.l	NOUN
cet-4339	2	34	.	.	PUNCT
cet-4339	2	35	,	,	PUNCT
cet-4339	2	36	isbn	isbn	PROPN
cet-4339	2	37	978	978	NUM
cet-4339	2	38	-	-	SYM
cet-4339	2	39	88	88	NUM
cet-4339	2	40	-	-	PUNCT
cet-4339	2	41	95608	95608	NUM
cet-4339	2	42	-	-	PUNCT
cet-4339	2	43	37	37	NUM
cet-4339	2	44	-	-	SYM
cet-4339	2	45	2	2	NUM
cet-4339	2	46	;	;	PUNCT
cet-4339	2	47	issn	issn	PROPN
cet-4339	2	48	2283	2283	NUM
cet-4339	2	49	-	-	SYM
cet-4339	2	50	9216	9216	NUM
cet-4339	2	51	overview	overview	NOUN
cet-4339	2	52	of	of	ADP
cet-4339	2	53	research	research	NOUN
cet-4339	2	54	on	on	ADP
cet-4339	2	55	space	space	NOUN
cet-4339	2	56	laser	laser	NOUN
cet-4339	2	57	communication	communication	NOUN
cet-4339	2	58	tracking	tracking	NOUN
cet-4339	2	59	and	and	CCONJ
cet-4339	2	60	pointing	point	VERB
cet-4339	2	61	technology	technology	NOUN
cet-4339	2	62	qinglong	qinglong	NOUN
cet-4339	2	63	hu*a	hu*a	NOUN
cet-4339	2	64	,	,	PUNCT
cet-4339	2	65	b	b	PROPN
cet-4339	2	66	,	,	PUNCT
cet-4339	2	67	zhaohui	zhaohui	PROPN
cet-4339	2	68	lia	lia	PROPN
cet-4339	2	69	,	,	PUNCT
cet-4339	2	70	liang	liang	PROPN
cet-4339	2	71	yanga	yanga	PROPN
cet-4339	2	72	,	,	PUNCT
cet-4339	2	73	ke	ke	PROPN
cet-4339	2	74	qiaoa	qiaoa	PROPN
cet-4339	2	75	,	,	PUNCT
cet-4339	2	76	xuejun	xuejun	PROPN
cet-4339	2	77	zhanga	zhanga	PROPN
cet-4339	2	78	achangchun	achangchun	PROPN
cet-4339	2	79	institute	institute	PROPN
cet-4339	2	80	of	of	ADP
cet-4339	2	81	optics	optic	NOUN
cet-4339	2	82	,	,	PUNCT
cet-4339	2	83	fine	fine	ADJ
cet-4339	2	84	mechanics	mechanic	NOUN
cet-4339	2	85	and	and	CCONJ
cet-4339	2	86	physics	physics	NOUN
cet-4339	2	87	,	,	PUNCT
cet-4339	2	88	chinese	chinese	PROPN
cet-4339	2	89	academy	academy	PROPN
cet-4339	2	90	of	of	ADP
cet-4339	2	91	science	science	PROPN
cet-4339	2	92	,	,	PUNCT
cet-4339	2	93	changchun	changchun	NOUN
cet-4339	2	94	130033	130033	NUM
cet-4339	2	95	,	,	PUNCT
cet-4339	2	96	china	china	PROPN
cet-4339	2	97	buniversity	buniversity	NOUN
cet-4339	2	98	of	of	ADP
cet-4339	2	99	chinese	chinese	PROPN
cet-4339	2	100	academy	academy	PROPN
cet-4339	2	101	of	of	ADP
cet-4339	2	102	sciences	sciences	PROPN
cet-4339	2	103	,	,	PUNCT
cet-4339	2	104	beijing	beijing	PROPN
cet-4339	2	105	100049	100049	NUM
cet-4339	2	106	,	,	PUNCT
cet-4339	3	1	china	china	PROPN
cet-4339	3	2	huqinglong.hit@163.com	huqinglong.hit@163.com	PROPN
cet-4339	3	3	laser	laser	NOUN
cet-4339	3	4	communication	communication	NOUN
cet-4339	3	5	system	system	NOUN
cet-4339	3	6	is	be	AUX
cet-4339	3	7	built	build	VERB
cet-4339	3	8	to	to	PART
cet-4339	3	9	satisfy	satisfy	VERB
cet-4339	3	10	the	the	DET
cet-4339	3	11	urgent	urgent	ADJ
cet-4339	3	12	need	need	NOUN
cet-4339	3	13	of	of	ADP
cet-4339	3	14	information	information	NOUN
cet-4339	3	15	transmission	transmission	NOUN
cet-4339	3	16	of	of	ADP
cet-4339	3	17	the	the	DET
cet-4339	3	18	earth	earth	NOUN
cet-4339	3	19	observation	observation	NOUN
cet-4339	3	20	system	system	NOUN
cet-4339	3	21	and	and	CCONJ
cet-4339	3	22	space	space	NOUN
cet-4339	3	23	-	-	PUNCT
cet-4339	3	24	based	base	VERB
cet-4339	3	25	information	information	NOUN
cet-4339	3	26	in	in	ADP
cet-4339	3	27	high	high	ADJ
cet-4339	3	28	resolution	resolution	NOUN
cet-4339	3	29	and	and	CCONJ
cet-4339	3	30	the	the	DET
cet-4339	3	31	need	need	NOUN
cet-4339	3	32	of	of	ADP
cet-4339	3	33	high	high	ADJ
cet-4339	3	34	-	-	PUNCT
cet-4339	3	35	speed	speed	NOUN
cet-4339	3	36	transmission	transmission	NOUN
cet-4339	3	37	rate	rate	NOUN
cet-4339	3	38	of	of	ADP
cet-4339	3	39	distribution	distribution	NOUN
cet-4339	3	40	system	system	NOUN
cet-4339	3	41	.	.	PUNCT
cet-4339	4	1	laser	laser	NOUN
cet-4339	4	2	communication	communication	NOUN
cet-4339	4	3	system	system	NOUN
cet-4339	4	4	makes	make	VERB
cet-4339	4	5	use	use	NOUN
cet-4339	4	6	of	of	ADP
cet-4339	4	7	laser	laser	NOUN
cet-4339	4	8	frequency	frequency	NOUN
cet-4339	4	9	band	band	NOUN
cet-4339	4	10	,	,	PUNCT
cet-4339	4	11	takes	take	VERB
cet-4339	4	12	laser	laser	NOUN
cet-4339	4	13	as	as	ADP
cet-4339	4	14	information	information	NOUN
cet-4339	4	15	carrier	carrier	NOUN
cet-4339	4	16	and	and	CCONJ
cet-4339	4	17	transmits	transmit	VERB
cet-4339	4	18	information	information	NOUN
cet-4339	4	19	by	by	ADP
cet-4339	4	20	the	the	DET
cet-4339	4	21	modulation	modulation	NOUN
cet-4339	4	22	of	of	ADP
cet-4339	4	23	laser	laser	NOUN
cet-4339	4	24	pulse	pulse	NOUN
cet-4339	4	25	and	and	CCONJ
cet-4339	4	26	thus	thus	ADV
cet-4339	4	27	achieves	achieve	VERB
cet-4339	4	28	information	information	NOUN
cet-4339	4	29	exchange	exchange	NOUN
cet-4339	4	30	.	.	PUNCT
cet-4339	5	1	and	and	CCONJ
cet-4339	5	2	to	to	PART
cet-4339	5	3	achieve	achieve	VERB
cet-4339	5	4	information	information	NOUN
cet-4339	5	5	exchange	exchange	NOUN
cet-4339	5	6	,	,	PUNCT
cet-4339	5	7	we	we	PRON
cet-4339	5	8	must	must	AUX
cet-4339	5	9	solve	solve	VERB
cet-4339	5	10	the	the	DET
cet-4339	5	11	tracking	tracking	NOUN
cet-4339	5	12	and	and	CCONJ
cet-4339	5	13	pointing	point	VERB
cet-4339	5	14	technical	technical	ADJ
cet-4339	5	15	problem	problem	NOUN
cet-4339	5	16	because	because	SCONJ
cet-4339	5	17	this	this	PRON
cet-4339	5	18	is	be	AUX
cet-4339	5	19	the	the	DET
cet-4339	5	20	guarantee	guarantee	NOUN
cet-4339	5	21	condition	condition	NOUN
cet-4339	5	22	of	of	ADP
cet-4339	5	23	successful	successful	ADJ
cet-4339	5	24	laser	laser	NOUN
cet-4339	5	25	communication	communication	NOUN
cet-4339	5	26	and	and	CCONJ
cet-4339	5	27	key	key	ADJ
cet-4339	5	28	technology	technology	NOUN
cet-4339	5	29	to	to	ADP
cet-4339	5	30	improving	improve	VERB
cet-4339	5	31	communication	communication	NOUN
cet-4339	5	32	performance	performance	NOUN
cet-4339	5	33	.	.	PUNCT
cet-4339	6	1	this	this	DET
cet-4339	6	2	article	article	NOUN
cet-4339	6	3	firstly	firstly	ADV
cet-4339	6	4	introduces	introduce	VERB
cet-4339	6	5	the	the	DET
cet-4339	6	6	development	development	NOUN
cet-4339	6	7	of	of	ADP
cet-4339	6	8	space	space	NOUN
cet-4339	6	9	laser	laser	NOUN
cet-4339	6	10	communication	communication	NOUN
cet-4339	6	11	technique	technique	NOUN
cet-4339	6	12	at	at	ADP
cet-4339	6	13	home	home	NOUN
cet-4339	6	14	and	and	CCONJ
cet-4339	6	15	abroad	abroad	ADV
cet-4339	6	16	in	in	ADP
cet-4339	6	17	recent	recent	ADJ
cet-4339	6	18	years	year	NOUN
cet-4339	6	19	and	and	CCONJ
cet-4339	6	20	the	the	DET
cet-4339	6	21	introduces	introduce	NOUN
cet-4339	6	22	the	the	DET
cet-4339	6	23	research	research	NOUN
cet-4339	6	24	situation	situation	NOUN
cet-4339	6	25	of	of	ADP
cet-4339	6	26	several	several	ADJ
cet-4339	6	27	key	key	ADJ
cet-4339	6	28	technology	technology	NOUN
cet-4339	6	29	in	in	ADP
cet-4339	6	30	space	space	NOUN
cet-4339	6	31	laser	laser	NOUN
cet-4339	6	32	communication	communication	NOUN
cet-4339	6	33	tracking	tracking	NOUN
cet-4339	6	34	and	and	CCONJ
cet-4339	6	35	pointing	point	VERB
cet-4339	6	36	system	system	NOUN
cet-4339	6	37	to	to	PART
cet-4339	6	38	provide	provide	VERB
cet-4339	6	39	guidance	guidance	NOUN
cet-4339	6	40	to	to	ADP
cet-4339	6	41	the	the	DET
cet-4339	6	42	research	research	NOUN
cet-4339	6	43	on	on	ADP
cet-4339	6	44	space	space	NOUN
cet-4339	6	45	laser	laser	NOUN
cet-4339	6	46	communication	communication	NOUN
cet-4339	6	47	system	system	NOUN
cet-4339	6	48	and	and	CCONJ
cet-4339	6	49	tracking	tracking	NOUN
cet-4339	6	50	and	and	CCONJ
cet-4339	6	51	pointing	point	VERB
cet-4339	6	52	technology	technology	NOUN
cet-4339	6	53	.	.	PUNCT
cet-4339	7	1	1	1	X
cet-4339	7	2	.	.	X
cet-4339	7	3	introduction	introduction	NOUN
cet-4339	7	4	with	with	ADP
cet-4339	7	5	the	the	DET
cet-4339	7	6	development	development	NOUN
cet-4339	7	7	of	of	ADP
cet-4339	7	8	informatization	informatization	NOUN
cet-4339	7	9	construction	construction	NOUN
cet-4339	7	10	of	of	ADP
cet-4339	7	11	military	military	ADJ
cet-4339	7	12	system	system	NOUN
cet-4339	7	13	,	,	PUNCT
cet-4339	7	14	demands	demand	NOUN
cet-4339	7	15	have	have	AUX
cet-4339	7	16	increased	increase	VERB
cet-4339	7	17	for	for	ADP
cet-4339	7	18	highspeed	highspeed	NOUN
cet-4339	7	19	and	and	CCONJ
cet-4339	7	20	high	high	ADJ
cet-4339	7	21	bandwidth	bandwidth	ADJ
cet-4339	7	22	satellite	satellite	NOUN
cet-4339	7	23	communication	communication	NOUN
cet-4339	7	24	services	service	NOUN
cet-4339	7	25	,	,	PUNCT
cet-4339	7	26	especially	especially	ADV
cet-4339	7	27	that	that	SCONJ
cet-4339	7	28	the	the	DET
cet-4339	7	29	earth	earth	NOUN
cet-4339	7	30	observation	observation	NOUN
cet-4339	7	31	system	system	NOUN
cet-4339	7	32	and	and	CCONJ
cet-4339	7	33	space	space	NOUN
cet-4339	7	34	-	-	PUNCT
cet-4339	7	35	based	base	VERB
cet-4339	7	36	information	information	NOUN
cet-4339	7	37	transmission	transmission	NOUN
cet-4339	7	38	and	and	CCONJ
cet-4339	7	39	distribution	distribution	NOUN
cet-4339	7	40	system	system	NOUN
cet-4339	7	41	have	have	VERB
cet-4339	7	42	very	very	ADV
cet-4339	7	43	urgent	urgent	ADJ
cet-4339	7	44	demand	demand	NOUN
cet-4339	7	45	for	for	ADP
cet-4339	7	46	gbps	gbps	PROPN
cet-4339	7	47	high	high	ADJ
cet-4339	7	48	-	-	PUNCT
cet-4339	7	49	speed	speed	NOUN
cet-4339	7	50	data	datum	NOUN
cet-4339	7	51	transmission	transmission	NOUN
cet-4339	7	52	.	.	PUNCT
cet-4339	8	1	at	at	ADP
cet-4339	8	2	present	present	ADJ
cet-4339	8	3	,	,	PUNCT
cet-4339	8	4	most	most	ADJ
cet-4339	8	5	communication	communication	NOUN
cet-4339	8	6	satellites	satellite	NOUN
cet-4339	8	7	apply	apply	VERB
cet-4339	8	8	microwave	microwave	NOUN
cet-4339	8	9	frequency	frequency	NOUN
cet-4339	8	10	band	band	NOUN
cet-4339	8	11	of	of	ADP
cet-4339	8	12	300mhz	300mhz	NUM
cet-4339	8	13	to	to	ADP
cet-4339	8	14	30ghz	30ghz	NUM
cet-4339	8	15	.	.	PUNCT
cet-4339	9	1	however	however	ADV
cet-4339	9	2	,	,	PUNCT
cet-4339	9	3	with	with	ADP
cet-4339	9	4	the	the	DET
cet-4339	9	5	development	development	NOUN
cet-4339	9	6	of	of	ADP
cet-4339	9	7	on	on	ADP
cet-4339	9	8	-	-	PUNCT
cet-4339	9	9	orbit	orbit	NOUN
cet-4339	9	10	business	business	NOUN
cet-4339	9	11	applications	application	NOUN
cet-4339	9	12	of	of	ADP
cet-4339	9	13	communication	communication	NOUN
cet-4339	9	14	satellites	satellite	NOUN
cet-4339	9	15	in	in	ADP
cet-4339	9	16	various	various	ADJ
cet-4339	9	17	countries	country	NOUN
cet-4339	9	18	,	,	PUNCT
cet-4339	9	19	the	the	DET
cet-4339	9	20	microwave	microwave	NOUN
cet-4339	9	21	frequency	frequency	NOUN
cet-4339	9	22	band	band	NOUN
cet-4339	9	23	available	available	ADJ
cet-4339	9	24	has	have	AUX
cet-4339	9	25	been	be	AUX
cet-4339	9	26	very	very	ADV
cet-4339	9	27	crowded	crowded	ADJ
cet-4339	9	28	and	and	CCONJ
cet-4339	9	29	there	there	PRON
cet-4339	9	30	is	be	VERB
cet-4339	9	31	less	less	ADJ
cet-4339	9	32	and	and	CCONJ
cet-4339	9	33	less	less	ADJ
cet-4339	9	34	bandwidth	bandwidth	ADJ
cet-4339	9	35	available	available	ADJ
cet-4339	9	36	.	.	PUNCT
cet-4339	10	1	therefore	therefore	ADV
cet-4339	10	2	,	,	PUNCT
cet-4339	10	3	communication	communication	NOUN
cet-4339	10	4	satellites	satellite	NOUN
cet-4339	10	5	have	have	AUX
cet-4339	10	6	developed	develop	VERB
cet-4339	10	7	to	to	ADP
cet-4339	10	8	higher	high	ADJ
cet-4339	10	9	frequency	frequency	NOUN
cet-4339	10	10	and	and	CCONJ
cet-4339	10	11	have	have	AUX
cet-4339	10	12	extended	extend	VERB
cet-4339	10	13	from	from	ADP
cet-4339	10	14	the	the	DET
cet-4339	10	15	microwave	microwave	NOUN
cet-4339	10	16	frequency	frequency	NOUN
cet-4339	10	17	band	band	NOUN
cet-4339	10	18	to	to	ADP
cet-4339	10	19	the	the	DET
cet-4339	10	20	laser	laser	NOUN
cet-4339	10	21	frequency	frequency	NOUN
cet-4339	10	22	band	band	NOUN
cet-4339	10	23	.	.	PUNCT
cet-4339	11	1	laser	laser	NOUN
cet-4339	11	2	communication	communication	NOUN
cet-4339	11	3	system	system	NOUN
cet-4339	11	4	is	be	AUX
cet-4339	11	5	built	build	VERB
cet-4339	11	6	to	to	PART
cet-4339	11	7	satisfy	satisfy	VERB
cet-4339	11	8	the	the	DET
cet-4339	11	9	urgent	urgent	ADJ
cet-4339	11	10	need	need	NOUN
cet-4339	11	11	of	of	ADP
cet-4339	11	12	information	information	NOUN
cet-4339	11	13	transmission	transmission	NOUN
cet-4339	11	14	of	of	ADP
cet-4339	11	15	the	the	DET
cet-4339	11	16	earth	earth	NOUN
cet-4339	11	17	observation	observation	NOUN
cet-4339	11	18	system	system	NOUN
cet-4339	11	19	and	and	CCONJ
cet-4339	11	20	space	space	NOUN
cet-4339	11	21	-	-	PUNCT
cet-4339	11	22	based	base	VERB
cet-4339	11	23	information	information	NOUN
cet-4339	11	24	in	in	ADP
cet-4339	11	25	high	high	ADJ
cet-4339	11	26	resolution	resolution	NOUN
cet-4339	11	27	and	and	CCONJ
cet-4339	11	28	the	the	DET
cet-4339	11	29	need	need	NOUN
cet-4339	11	30	of	of	ADP
cet-4339	11	31	high	high	ADJ
cet-4339	11	32	-	-	PUNCT
cet-4339	11	33	speed	speed	NOUN
cet-4339	11	34	transmission	transmission	NOUN
cet-4339	11	35	rate	rate	NOUN
cet-4339	11	36	of	of	ADP
cet-4339	11	37	distribution	distribution	NOUN
cet-4339	11	38	system	system	NOUN
cet-4339	11	39	.	.	PUNCT
cet-4339	12	1	laser	laser	NOUN
cet-4339	12	2	communication	communication	NOUN
cet-4339	12	3	system	system	NOUN
cet-4339	12	4	makes	make	VERB
cet-4339	12	5	use	use	NOUN
cet-4339	12	6	of	of	ADP
cet-4339	12	7	laser	laser	NOUN
cet-4339	12	8	frequency	frequency	NOUN
cet-4339	12	9	band	band	NOUN
cet-4339	12	10	,	,	PUNCT
cet-4339	12	11	takes	take	VERB
cet-4339	12	12	laser	laser	NOUN
cet-4339	12	13	as	as	ADP
cet-4339	12	14	information	information	NOUN
cet-4339	12	15	carrier	carrier	NOUN
cet-4339	12	16	and	and	CCONJ
cet-4339	12	17	transmits	transmit	VERB
cet-4339	12	18	information	information	NOUN
cet-4339	12	19	by	by	ADP
cet-4339	12	20	the	the	DET
cet-4339	12	21	modulation	modulation	NOUN
cet-4339	12	22	of	of	ADP
cet-4339	12	23	laser	laser	NOUN
cet-4339	12	24	pulse	pulse	NOUN
cet-4339	12	25	and	and	CCONJ
cet-4339	12	26	thus	thus	ADV
cet-4339	12	27	achieves	achieve	VERB
cet-4339	12	28	information	information	NOUN
cet-4339	12	29	exchange	exchange	NOUN
cet-4339	12	30	.	.	PUNCT
cet-4339	13	1	laser	laser	NOUN
cet-4339	13	2	has	have	VERB
cet-4339	13	3	high	high	ADJ
cet-4339	13	4	temporal	temporal	ADJ
cet-4339	13	5	and	and	CCONJ
cet-4339	13	6	spatial	spatial	ADJ
cet-4339	13	7	correlation	correlation	NOUN
cet-4339	13	8	,	,	PUNCT
cet-4339	13	9	whose	whose	DET
cet-4339	13	10	oscillation	oscillation	NOUN
cet-4339	13	11	frequency	frequency	NOUN
cet-4339	13	12	is	be	AUX
cet-4339	13	13	high	high	ADJ
cet-4339	13	14	.	.	PUNCT
cet-4339	14	1	laser	laser	NOUN
cet-4339	14	2	frequency	frequency	NOUN
cet-4339	14	3	band	band	NOUN
cet-4339	14	4	(	(	PUNCT
cet-4339	14	5	typical	typical	ADJ
cet-4339	14	6	wavelength	wavelength	NOUN
cet-4339	14	7	of	of	ADP
cet-4339	14	8	1	1	NUM
cet-4339	14	9	μm	μm	NUM
cet-4339	14	10	)	)	PUNCT
cet-4339	14	11	is	be	AUX
cet-4339	14	12	four	four	NUM
cet-4339	14	13	orders	order	NOUN
cet-4339	14	14	of	of	ADP
cet-4339	14	15	magnitude	magnitude	NOUN
cet-4339	14	16	higher	high	ADJ
cet-4339	14	17	than	than	ADP
cet-4339	14	18	microwave	microwave	NOUN
cet-4339	14	19	frequency	frequency	NOUN
cet-4339	14	20	band	band	NOUN
cet-4339	14	21	(	(	PUNCT
cet-4339	14	22	typical	typical	ADJ
cet-4339	14	23	10	10	NUM
cet-4339	14	24	ghz	ghz	NOUN
cet-4339	14	25	)	)	PUNCT
cet-4339	14	26	,	,	PUNCT
cet-4339	14	27	so	so	CCONJ
cet-4339	14	28	the	the	DET
cet-4339	14	29	space	space	NOUN
cet-4339	14	30	laser	laser	NOUN
cet-4339	14	31	communication	communication	NOUN
cet-4339	14	32	of	of	ADP
cet-4339	14	33	satellites	satellite	NOUN
cet-4339	14	34	have	have	VERB
cet-4339	14	35	the	the	DET
cet-4339	14	36	following	follow	VERB
cet-4339	14	37	advantages	advantage	NOUN
cet-4339	14	38	compared	compare	VERB
cet-4339	14	39	with	with	ADP
cet-4339	14	40	microwave	microwave	NOUN
cet-4339	14	41	communication	communication	NOUN
cet-4339	14	42	.	.	PUNCT
cet-4339	15	1	1.1	1.1	NUM
cet-4339	15	2	large	large	ADJ
cet-4339	15	3	message	message	NOUN
cet-4339	15	4	capacity	capacity	NOUN
cet-4339	15	5	the	the	DET
cet-4339	15	6	frequency	frequency	NOUN
cet-4339	15	7	band	band	NOUN
cet-4339	15	8	of	of	ADP
cet-4339	15	9	laser	laser	NOUN
cet-4339	15	10	is	be	AUX
cet-4339	15	11	three	three	NUM
cet-4339	15	12	or	or	CCONJ
cet-4339	15	13	four	four	NUM
cet-4339	15	14	orders	order	NOUN
cet-4339	15	15	of	of	ADP
cet-4339	15	16	magnitude	magnitude	NOUN
cet-4339	15	17	higher	high	ADJ
cet-4339	15	18	than	than	ADP
cet-4339	15	19	microwave	microwave	NOUN
cet-4339	15	20	frequency	frequency	NOUN
cet-4339	15	21	band	band	NOUN
cet-4339	15	22	(	(	PUNCT
cet-4339	15	23	the	the	DET
cet-4339	15	24	corresponding	corresponding	ADJ
cet-4339	15	25	frequency	frequency	NOUN
cet-4339	15	26	band	band	NOUN
cet-4339	15	27	is	be	AUX
cet-4339	15	28	between	between	ADP
cet-4339	15	29	1013	1013	NUM
cet-4339	15	30	to	to	ADP
cet-4339	15	31	1017hz	1017hz	NOUN
cet-4339	15	32	)	)	PUNCT
cet-4339	15	33	.	.	PUNCT
cet-4339	16	1	laser	laser	NOUN
cet-4339	16	2	,	,	PUNCT
cet-4339	16	3	as	as	SCONJ
cet-4339	16	4	the	the	DET
cet-4339	16	5	carrier	carrier	NOUN
cet-4339	16	6	wave	wave	NOUN
cet-4339	16	7	of	of	ADP
cet-4339	16	8	communication	communication	NOUN
cet-4339	16	9	,	,	PUNCT
cet-4339	16	10	has	have	VERB
cet-4339	16	11	more	more	ADV
cet-4339	16	12	available	available	ADJ
cet-4339	16	13	frequency	frequency	NOUN
cet-4339	16	14	band	band	NOUN
cet-4339	16	15	.	.	PUNCT
cet-4339	17	1	optical	optical	ADJ
cet-4339	17	2	fiber	fiber	NOUN
cet-4339	17	3	communication	communication	NOUN
cet-4339	17	4	technique	technique	NOUN
cet-4339	17	5	can	can	AUX
cet-4339	17	6	be	be	AUX
cet-4339	17	7	transplanted	transplant	VERB
cet-4339	17	8	into	into	ADP
cet-4339	17	9	space	space	NOUN
cet-4339	17	10	communication	communication	NOUN
cet-4339	17	11	.	.	PUNCT
cet-4339	18	1	at	at	ADP
cet-4339	18	2	present	present	ADJ
cet-4339	18	3	,	,	PUNCT
cet-4339	18	4	the	the	DET
cet-4339	18	5	data	data	NOUN
cet-4339	18	6	rate	rate	NOUN
cet-4339	18	7	of	of	ADP
cet-4339	18	8	every	every	DET
cet-4339	18	9	wave	wave	NOUN
cet-4339	18	10	beam	beam	NOUN
cet-4339	18	11	of	of	ADP
cet-4339	18	12	optical	optical	ADJ
cet-4339	18	13	fiber	fiber	NOUN
cet-4339	18	14	communication	communication	NOUN
cet-4339	18	15	can	can	AUX
cet-4339	18	16	be	be	AUX
cet-4339	18	17	20gb	20gb	ADJ
cet-4339	18	18	/	/	SYM
cet-4339	18	19	s	s	PART
cet-4339	18	20	or	or	CCONJ
cet-4339	18	21	higher	high	ADJ
cet-4339	18	22	and	and	CCONJ
cet-4339	18	23	we	we	PRON
cet-4339	18	24	can	can	AUX
cet-4339	18	25	even	even	ADV
cet-4339	18	26	make	make	VERB
cet-4339	18	27	use	use	NOUN
cet-4339	18	28	of	of	ADP
cet-4339	18	29	the	the	DET
cet-4339	18	30	wavelength	wavelength	NOUN
cet-4339	18	31	-	-	PUNCT
cet-4339	18	32	division	division	NOUN
cet-4339	18	33	multiplexing	multiplexing	NOUN
cet-4339	18	34	technology	technology	NOUN
cet-4339	18	35	to	to	PART
cet-4339	18	36	increase	increase	VERB
cet-4339	18	37	the	the	DET
cet-4339	18	38	message	message	NOUN
cet-4339	18	39	capacity	capacity	NOUN
cet-4339	18	40	by	by	ADP
cet-4339	18	41	dozens	dozen	NOUN
cet-4339	18	42	of	of	ADP
cet-4339	18	43	times	time	NOUN
cet-4339	18	44	.	.	PUNCT
cet-4339	19	1	therefore	therefore	ADV
cet-4339	19	2	,	,	PUNCT
cet-4339	19	3	the	the	DET
cet-4339	19	4	laser	laser	NOUN
cet-4339	19	5	communication	communication	NOUN
cet-4339	19	6	possesses	possess	VERB
cet-4339	19	7	great	great	ADJ
cet-4339	19	8	advantage	advantage	NOUN
cet-4339	19	9	in	in	ADP
cet-4339	19	10	terms	term	NOUN
cet-4339	19	11	of	of	ADP
cet-4339	19	12	message	message	NOUN
cet-4339	19	13	capacity	capacity	NOUN
cet-4339	19	14	than	than	ADP
cet-4339	19	15	microwave	microwave	NOUN
cet-4339	19	16	communication	communication	NOUN
cet-4339	19	17	.	.	PUNCT
cet-4339	20	1	doi	doi	NOUN
cet-4339	20	2	:	:	PUNCT
cet-4339	20	3	10.3303	10.3303	NUM
cet-4339	20	4	/	/	SYM
cet-4339	20	5	cet1546170	cet1546170	NOUN
cet-4339	20	6	please	please	INTJ
cet-4339	20	7	cite	cite	VERB
cet-4339	20	8	this	this	DET
cet-4339	20	9	article	article	NOUN
cet-4339	20	10	as	as	ADP
cet-4339	20	11	:	:	PUNCT
cet-4339	20	12	hu	hu	PROPN
cet-4339	20	13	q.l	q.l	PROPN
cet-4339	20	14	.	.	PROPN
cet-4339	20	15	,	,	PUNCT
cet-4339	20	16	li	li	PROPN
cet-4339	21	1	z.h	z.h	PROPN
cet-4339	21	2	.	.	PROPN
cet-4339	21	3	,	,	PUNCT
cet-4339	21	4	yang	yang	PROPN
cet-4339	21	5	l.	l.	PROPN
cet-4339	21	6	,	,	PUNCT
cet-4339	21	7	qiao	qiao	PROPN
cet-4339	21	8	k.	k.	PROPN
cet-4339	21	9	,	,	PUNCT
cet-4339	21	10	zhang	zhang	PROPN
cet-4339	21	11	x.j	x.j	PROPN
cet-4339	21	12	.	.	PROPN
cet-4339	21	13	,	,	PUNCT
cet-4339	21	14	2015	2015	NUM
cet-4339	21	15	,	,	PUNCT
cet-4339	21	16	overview	overview	NOUN
cet-4339	21	17	of	of	ADP
cet-4339	21	18	research	research	NOUN
cet-4339	21	19	on	on	ADP
cet-4339	21	20	space	space	NOUN
cet-4339	21	21	laser	laser	NOUN
cet-4339	21	22	communication	communication	NOUN
cet-4339	21	23	tracking	tracking	NOUN
cet-4339	21	24	and	and	CCONJ
cet-4339	21	25	pointing	point	VERB
cet-4339	21	26	technology	technology	NOUN
cet-4339	21	27	,	,	PUNCT
cet-4339	21	28	chemical	chemical	ADJ
cet-4339	21	29	engineering	engineering	NOUN
cet-4339	21	30	transactions	transaction	NOUN
cet-4339	21	31	,	,	PUNCT
cet-4339	21	32	46	46	NUM
cet-4339	21	33	,	,	PUNCT
cet-4339	21	34	1015	1015	NUM
cet-4339	21	35	-	-	SYM
cet-4339	21	36	1020	1020	NUM
cet-4339	21	37	doi:10.3303	doi:10.3303	NOUN
cet-4339	21	38	/	/	SYM
cet-4339	21	39	cet1546170	cet1546170	NOUN
cet-4339	21	40	1015	1015	NUM
cet-4339	21	41	1.2	1.2	NUM
cet-4339	21	42	low	low	ADJ
cet-4339	21	43	power	power	NOUN
cet-4339	21	44	dissipation	dissipation	NOUN
cet-4339	21	45	the	the	DET
cet-4339	21	46	divergence	divergence	NOUN
cet-4339	21	47	angle	angle	NOUN
cet-4339	21	48	of	of	ADP
cet-4339	21	49	laser	laser	NOUN
cet-4339	21	50	is	be	AUX
cet-4339	21	51	very	very	ADV
cet-4339	21	52	small	small	ADJ
cet-4339	21	53	and	and	CCONJ
cet-4339	21	54	the	the	DET
cet-4339	21	55	energy	energy	NOUN
cet-4339	21	56	of	of	ADP
cet-4339	21	57	laser	laser	NOUN
cet-4339	21	58	highly	highly	ADV
cet-4339	21	59	centered	center	VERB
cet-4339	21	60	,	,	PUNCT
cet-4339	21	61	and	and	CCONJ
cet-4339	21	62	thus	thus	ADV
cet-4339	21	63	the	the	DET
cet-4339	21	64	power	power	NOUN
cet-4339	21	65	density	density	NOUN
cet-4339	21	66	on	on	ADP
cet-4339	21	67	the	the	DET
cet-4339	21	68	receiver	receiver	ADJ
cet-4339	21	69	telescope	telescope	NOUN
cet-4339	21	70	antenna	antenna	NOUN
cet-4339	21	71	is	be	AUX
cet-4339	21	72	high	high	ADJ
cet-4339	21	73	.	.	PUNCT
cet-4339	22	1	more	more	ADJ
cet-4339	22	2	than	than	ADP
cet-4339	22	3	that	that	PRON
cet-4339	22	4	,	,	PUNCT
cet-4339	22	5	the	the	DET
cet-4339	22	6	transmitting	transmit	VERB
cet-4339	22	7	power	power	NOUN
cet-4339	22	8	of	of	ADP
cet-4339	22	9	transmitters	transmitter	NOUN
cet-4339	22	10	can	can	AUX
cet-4339	22	11	be	be	AUX
cet-4339	22	12	reduced	reduce	VERB
cet-4339	22	13	and	and	CCONJ
cet-4339	22	14	the	the	DET
cet-4339	22	15	power	power	NOUN
cet-4339	22	16	dissipation	dissipation	NOUN
cet-4339	22	17	is	be	AUX
cet-4339	22	18	relatively	relatively	ADV
cet-4339	22	19	low	low	ADJ
cet-4339	22	20	.	.	PUNCT
cet-4339	23	1	this	this	PRON
cet-4339	23	2	is	be	AUX
cet-4339	23	3	very	very	ADV
cet-4339	23	4	appropriate	appropriate	ADJ
cet-4339	23	5	for	for	ADP
cet-4339	23	6	space	space	NOUN
cet-4339	23	7	communication	communication	NOUN
cet-4339	23	8	that	that	PRON
cet-4339	23	9	has	have	VERB
cet-4339	23	10	very	very	ADV
cet-4339	23	11	high	high	ADJ
cet-4339	23	12	energy	energy	NOUN
cet-4339	23	13	cost	cost	NOUN
cet-4339	23	14	.	.	PUNCT
cet-4339	24	1	1.3	1.3	NUM
cet-4339	24	2	small	small	ADJ
cet-4339	24	3	volume	volume	NOUN
cet-4339	24	4	and	and	CCONJ
cet-4339	24	5	light	light	NOUN
cet-4339	24	6	weight	weight	NOUN
cet-4339	24	7	the	the	DET
cet-4339	24	8	weight	weight	NOUN
cet-4339	24	9	of	of	ADP
cet-4339	24	10	the	the	DET
cet-4339	24	11	transmitter	transmitter	NOUN
cet-4339	24	12	and	and	CCONJ
cet-4339	24	13	its	its	PRON
cet-4339	24	14	power	power	NOUN
cet-4339	24	15	supply	supply	NOUN
cet-4339	24	16	system	system	NOUN
cet-4339	24	17	can	can	AUX
cet-4339	24	18	be	be	AUX
cet-4339	24	19	reduced	reduce	VERB
cet-4339	24	20	because	because	SCONJ
cet-4339	24	21	the	the	DET
cet-4339	24	22	high	high	ADJ
cet-4339	24	23	energy	energy	NOUN
cet-4339	24	24	utilization	utilization	NOUN
cet-4339	24	25	rate	rate	NOUN
cet-4339	24	26	of	of	ADP
cet-4339	24	27	space	space	NOUN
cet-4339	24	28	laser	laser	NOUN
cet-4339	24	29	communication	communication	NOUN
cet-4339	24	30	;	;	PUNCT
cet-4339	24	31	the	the	DET
cet-4339	24	32	wave	wave	NOUN
cet-4339	24	33	length	length	NOUN
cet-4339	24	34	of	of	ADP
cet-4339	24	35	laser	laser	NOUN
cet-4339	24	36	is	be	AUX
cet-4339	24	37	short	short	ADJ
cet-4339	24	38	,	,	PUNCT
cet-4339	24	39	so	so	CCONJ
cet-4339	24	40	the	the	DET
cet-4339	24	41	caliber	caliber	NOUN
cet-4339	24	42	of	of	ADP
cet-4339	24	43	the	the	DET
cet-4339	24	44	transmitting	transmitting	NOUN
cet-4339	24	45	and	and	CCONJ
cet-4339	24	46	receiving	receive	VERB
cet-4339	24	47	telescope	telescope	NOUN
cet-4339	24	48	can	can	AUX
cet-4339	24	49	be	be	AUX
cet-4339	24	50	decreased	decrease	VERB
cet-4339	24	51	under	under	ADP
cet-4339	24	52	the	the	DET
cet-4339	24	53	same	same	ADJ
cet-4339	24	54	requirement	requirement	NOUN
cet-4339	24	55	of	of	ADP
cet-4339	24	56	divergence	divergence	NOUN
cet-4339	24	57	angle	angle	NOUN
cet-4339	24	58	and	and	CCONJ
cet-4339	24	59	receiving	receive	VERB
cet-4339	24	60	fov	fov	NOUN
cet-4339	24	61	.	.	PUNCT
cet-4339	25	1	space	space	NOUN
cet-4339	25	2	laser	laser	NOUN
cet-4339	25	3	communication	communication	NOUN
cet-4339	25	4	has	have	AUX
cet-4339	25	5	get	get	AUX
cet-4339	25	6	rid	rid	VERB
cet-4339	25	7	of	of	ADP
cet-4339	25	8	the	the	DET
cet-4339	25	9	huge	huge	ADJ
cet-4339	25	10	bow	bow	NOUN
cet-4339	25	11	-	-	PUNCT
cet-4339	25	12	tie	tie	NOUN
cet-4339	25	13	antenna	antenna	NOUN
cet-4339	25	14	of	of	ADP
cet-4339	25	15	microwave	microwave	NOUN
cet-4339	25	16	system	system	NOUN
cet-4339	25	17	and	and	CCONJ
cet-4339	25	18	is	be	AUX
cet-4339	25	19	light	light	ADJ
cet-4339	25	20	in	in	ADP
cet-4339	25	21	weight	weight	NOUN
cet-4339	25	22	and	and	CCONJ
cet-4339	25	23	small	small	ADJ
cet-4339	25	24	in	in	ADP
cet-4339	25	25	volume	volume	NOUN
cet-4339	25	26	.	.	PUNCT
cet-4339	26	1	1.4	1.4	NUM
cet-4339	26	2	high	high	ADJ
cet-4339	26	3	security	security	NOUN
cet-4339	26	4	laser	laser	NOUN
cet-4339	26	5	has	have	VERB
cet-4339	26	6	high	high	ADJ
cet-4339	26	7	directionality	directionality	NOUN
cet-4339	26	8	,	,	PUNCT
cet-4339	26	9	whose	whose	DET
cet-4339	26	10	transmitting	transmit	VERB
cet-4339	26	11	beam	beam	NOUN
cet-4339	26	12	is	be	AUX
cet-4339	26	13	slim	slim	ADJ
cet-4339	26	14	and	and	CCONJ
cet-4339	26	15	the	the	DET
cet-4339	26	16	divergence	divergence	NOUN
cet-4339	26	17	angle	angle	NOUN
cet-4339	26	18	is	be	AUX
cet-4339	26	19	usually	usually	ADV
cet-4339	26	20	milli	milli	ADJ
cet-4339	26	21	-	-	PUNCT
cet-4339	26	22	radian	radian	ADJ
cet-4339	26	23	,	,	PUNCT
cet-4339	26	24	which	which	PRON
cet-4339	26	25	gives	give	VERB
cet-4339	26	26	laser	laser	NOUN
cet-4339	26	27	communication	communication	NOUN
cet-4339	26	28	high	high	ADJ
cet-4339	26	29	security	security	NOUN
cet-4339	26	30	and	and	CCONJ
cet-4339	26	31	improves	improve	VERB
cet-4339	26	32	its	its	PRON
cet-4339	26	33	anti	anti	ADJ
cet-4339	26	34	-	-	ADJ
cet-4339	26	35	jamming	jamming	ADJ
cet-4339	26	36	and	and	CCONJ
cet-4339	26	37	anti	anti	ADJ
cet-4339	26	38	-	-	ADJ
cet-4339	26	39	eavesdrop	eavesdrop	ADJ
cet-4339	26	40	capability	capability	NOUN
cet-4339	26	41	effectively	effectively	ADV
cet-4339	26	42	.	.	PUNCT
cet-4339	27	1	1.5	1.5	NUM
cet-4339	27	2	low	low	ADJ
cet-4339	27	3	cost	cost	VERB
cet-4339	27	4	the	the	DET
cet-4339	27	5	construction	construction	NOUN
cet-4339	27	6	and	and	CCONJ
cet-4339	27	7	maintenance	maintenance	NOUN
cet-4339	27	8	expense	expense	NOUN
cet-4339	27	9	of	of	ADP
cet-4339	27	10	laser	laser	NOUN
cet-4339	27	11	space	space	NOUN
cet-4339	27	12	communication	communication	NOUN
cet-4339	27	13	is	be	AUX
cet-4339	27	14	relatively	relatively	ADV
cet-4339	27	15	low	low	ADJ
cet-4339	27	16	.	.	PUNCT
cet-4339	28	1	2	2	X
cet-4339	28	2	.	.	X
cet-4339	28	3	the	the	DET
cet-4339	28	4	development	development	NOUN
cet-4339	28	5	of	of	ADP
cet-4339	28	6	space	space	NOUN
cet-4339	28	7	laser	laser	NOUN
cet-4339	28	8	communication	communication	NOUN
cet-4339	28	9	technique	technique	NOUN
cet-4339	28	10	considering	consider	VERB
cet-4339	28	11	so	so	ADV
cet-4339	28	12	many	many	ADJ
cet-4339	28	13	advantages	advantage	NOUN
cet-4339	28	14	of	of	ADP
cet-4339	28	15	the	the	DET
cet-4339	28	16	space	space	NOUN
cet-4339	28	17	laser	laser	NOUN
cet-4339	28	18	communication	communication	NOUN
cet-4339	28	19	,	,	PUNCT
cet-4339	28	20	america	america	PROPN
cet-4339	28	21	,	,	PUNCT
cet-4339	28	22	countries	country	NOUN
cet-4339	28	23	in	in	ADP
cet-4339	28	24	europe	europe	PROPN
cet-4339	28	25	,	,	PUNCT
cet-4339	28	26	japan	japan	PROPN
cet-4339	28	27	and	and	CCONJ
cet-4339	28	28	other	other	ADJ
cet-4339	28	29	developed	develop	VERB
cet-4339	28	30	countries	country	NOUN
cet-4339	28	31	have	have	AUX
cet-4339	28	32	launched	launch	VERB
cet-4339	28	33	research	research	NOUN
cet-4339	28	34	on	on	ADP
cet-4339	28	35	this	this	DET
cet-4339	28	36	one	one	NOUN
cet-4339	28	37	after	after	ADP
cet-4339	28	38	another	another	PRON
cet-4339	28	39	.	.	PUNCT
cet-4339	29	1	the	the	DET
cet-4339	29	2	development	development	NOUN
cet-4339	29	3	of	of	ADP
cet-4339	29	4	space	space	NOUN
cet-4339	29	5	laser	laser	NOUN
cet-4339	29	6	communication	communication	NOUN
cet-4339	29	7	in	in	ADP
cet-4339	29	8	europe	europe	PROPN
cet-4339	29	9	is	be	AUX
cet-4339	29	10	based	base	VERB
cet-4339	29	11	on	on	ADP
cet-4339	29	12	the	the	DET
cet-4339	29	13	cooperation	cooperation	NOUN
cet-4339	29	14	between	between	ADP
cet-4339	29	15	different	different	ADJ
cet-4339	29	16	countries	country	NOUN
cet-4339	29	17	.	.	PUNCT
cet-4339	30	1	the	the	DET
cet-4339	30	2	esa	esa	PROPN
cet-4339	30	3	has	have	AUX
cet-4339	30	4	invested	invest	VERB
cet-4339	30	5	a	a	DET
cet-4339	30	6	large	large	ADJ
cet-4339	30	7	amount	amount	NOUN
cet-4339	30	8	of	of	ADP
cet-4339	30	9	money	money	NOUN
cet-4339	30	10	into	into	ADP
cet-4339	30	11	the	the	DET
cet-4339	30	12	research	research	NOUN
cet-4339	30	13	on	on	ADP
cet-4339	30	14	satellite	satellite	NOUN
cet-4339	30	15	laser	laser	NOUN
cet-4339	30	16	communication	communication	NOUN
cet-4339	30	17	and	and	CCONJ
cet-4339	30	18	has	have	AUX
cet-4339	30	19	developed	develop	VERB
cet-4339	30	20	a	a	DET
cet-4339	30	21	series	series	NOUN
cet-4339	30	22	of	of	ADP
cet-4339	30	23	satellite	satellite	NOUN
cet-4339	30	24	laser	laser	NOUN
cet-4339	30	25	communication	communication	NOUN
cet-4339	30	26	terminals	terminal	NOUN
cet-4339	30	27	under	under	ADP
cet-4339	30	28	the	the	DET
cet-4339	30	29	background	background	NOUN
cet-4339	30	30	of	of	ADP
cet-4339	30	31	different	different	ADJ
cet-4339	30	32	intersatellite	intersatellite	ADJ
cet-4339	30	33	links	link	NOUN
cet-4339	30	34	,	,	PUNCT
cet-4339	30	35	like	like	ADP
cet-4339	30	36	silex	silex	NOUN
cet-4339	30	37	and	and	CCONJ
cet-4339	30	38	sout	sout	NOUN
cet-4339	30	39	.	.	PUNCT
cet-4339	31	1	one	one	NUM
cet-4339	31	2	of	of	ADP
cet-4339	31	3	the	the	DET
cet-4339	31	4	terminals	terminal	NOUN
cet-4339	31	5	of	of	ADP
cet-4339	31	6	silex	silex	NOUN
cet-4339	31	7	is	be	AUX
cet-4339	31	8	installed	instal	VERB
cet-4339	31	9	on	on	ADP
cet-4339	31	10	the	the	DET
cet-4339	31	11	relay	relay	NOUN
cet-4339	31	12	satellite	satellite	NOUN
cet-4339	31	13	of	of	ADP
cet-4339	31	14	esa	esa	PROPN
cet-4339	31	15	and	and	CCONJ
cet-4339	31	16	the	the	DET
cet-4339	31	17	other	other	ADJ
cet-4339	31	18	is	be	AUX
cet-4339	31	19	installed	instal	VERB
cet-4339	31	20	on	on	ADP
cet-4339	31	21	the	the	DET
cet-4339	31	22	french	french	ADJ
cet-4339	31	23	earth	earth	NOUN
cet-4339	31	24	observation	observation	NOUN
cet-4339	31	25	satellite	satellite	NOUN
cet-4339	31	26	spot-4	spot-4	PROPN
cet-4339	31	27	.	.	PUNCT
cet-4339	32	1	on	on	ADP
cet-4339	32	2	nov	nov	PROPN
cet-4339	32	3	21st	21st	NOUN
cet-4339	32	4	,	,	PUNCT
cet-4339	32	5	2001	2001	NUM
cet-4339	32	6	,	,	PUNCT
cet-4339	32	7	europe	europe	PROPN
cet-4339	32	8	successfully	successfully	ADV
cet-4339	32	9	built	build	VERB
cet-4339	32	10	the	the	DET
cet-4339	32	11	laser	laser	NOUN
cet-4339	32	12	communication	communication	NOUN
cet-4339	32	13	link	link	NOUN
cet-4339	32	14	and	and	CCONJ
cet-4339	32	15	realized	realize	VERB
cet-4339	32	16	the	the	DET
cet-4339	32	17	laser	laser	NOUN
cet-4339	32	18	communication	communication	NOUN
cet-4339	32	19	experiment	experiment	NOUN
cet-4339	32	20	at	at	ADP
cet-4339	32	21	50mbps	50mbps	PROPN
cet-4339	32	22	speed	speed	NOUN
cet-4339	32	23	ratio	ratio	NOUN
cet-4339	32	24	.	.	PUNCT
cet-4339	33	1	this	this	PRON
cet-4339	33	2	is	be	AUX
cet-4339	33	3	the	the	DET
cet-4339	33	4	first	first	ADJ
cet-4339	33	5	inter	inter	ADJ
cet-4339	33	6	-	-	ADJ
cet-4339	33	7	satellite	satellite	ADJ
cet-4339	33	8	laser	laser	NOUN
cet-4339	33	9	link	link	NOUN
cet-4339	33	10	experiment	experiment	NOUN
cet-4339	33	11	and	and	CCONJ
cet-4339	33	12	stands	stand	VERB
cet-4339	33	13	as	as	ADP
cet-4339	33	14	a	a	DET
cet-4339	33	15	milestone	milestone	NOUN
cet-4339	33	16	in	in	ADP
cet-4339	33	17	the	the	DET
cet-4339	33	18	field	field	NOUN
cet-4339	33	19	of	of	ADP
cet-4339	33	20	satellite	satellite	NOUN
cet-4339	33	21	laser	laser	NOUN
cet-4339	33	22	communication	communication	NOUN
cet-4339	33	23	.	.	PUNCT
cet-4339	34	1	although	although	SCONJ
cet-4339	34	2	japan	japan	PROPN
cet-4339	34	3	has	have	VERB
cet-4339	34	4	late	late	ADJ
cet-4339	34	5	start	start	NOUN
cet-4339	34	6	in	in	ADP
cet-4339	34	7	the	the	DET
cet-4339	34	8	research	research	NOUN
cet-4339	34	9	on	on	ADP
cet-4339	34	10	satellite	satellite	NOUN
cet-4339	34	11	laser	laser	NOUN
cet-4339	34	12	communication	communication	NOUN
cet-4339	34	13	but	but	CCONJ
cet-4339	34	14	has	have	AUX
cet-4339	34	15	made	make	VERB
cet-4339	34	16	rapid	rapid	ADJ
cet-4339	34	17	development	development	NOUN
cet-4339	34	18	.	.	PUNCT
cet-4339	35	1	in	in	ADP
cet-4339	35	2	1995	1995	NUM
cet-4339	35	3	,	,	PUNCT
cet-4339	35	4	japan	japan	PROPN
cet-4339	35	5	has	have	AUX
cet-4339	35	6	successfully	successfully	ADV
cet-4339	35	7	conducted	conduct	VERB
cet-4339	35	8	the	the	DET
cet-4339	35	9	laser	laser	NOUN
cet-4339	35	10	communication	communication	NOUN
cet-4339	35	11	experiment	experiment	NOUN
cet-4339	35	12	using	use	VERB
cet-4339	35	13	the	the	DET
cet-4339	35	14	terminal	terminal	NOUN
cet-4339	35	15	installed	instal	VERB
cet-4339	35	16	on	on	ADP
cet-4339	35	17	the	the	DET
cet-4339	35	18	satellite	satellite	NOUN
cet-4339	35	19	ets	et	NOUN
cet-4339	35	20	-	-	PUNCT
cet-4339	35	21	vi	vi	NOUN
cet-4339	35	22	to	to	PART
cet-4339	35	23	communicate	communicate	VERB
cet-4339	35	24	with	with	ADP
cet-4339	35	25	the	the	DET
cet-4339	35	26	ground	ground	NOUN
cet-4339	35	27	station	station	NOUN
cet-4339	35	28	.	.	PUNCT
cet-4339	36	1	although	although	SCONJ
cet-4339	36	2	the	the	DET
cet-4339	36	3	digit	digit	NOUN
cet-4339	36	4	rate	rate	NOUN
cet-4339	36	5	of	of	ADP
cet-4339	36	6	this	this	DET
cet-4339	36	7	experiment	experiment	NOUN
cet-4339	36	8	was	be	AUX
cet-4339	36	9	only	only	ADV
cet-4339	36	10	1.04mbps	1.04mbps	NOUN
cet-4339	36	11	,	,	PUNCT
cet-4339	36	12	still	still	ADV
cet-4339	36	13	this	this	PRON
cet-4339	36	14	was	be	AUX
cet-4339	36	15	the	the	DET
cet-4339	36	16	first	first	ADJ
cet-4339	36	17	successful	successful	ADJ
cet-4339	36	18	satellite	satellite	NOUN
cet-4339	36	19	-	-	PUNCT
cet-4339	36	20	ground	ground	NOUN
cet-4339	36	21	laser	laser	NOUN
cet-4339	36	22	communication	communication	NOUN
cet-4339	36	23	experiment	experiment	NOUN
cet-4339	36	24	.	.	PUNCT
cet-4339	37	1	in	in	ADP
cet-4339	37	2	1996	1996	NUM
cet-4339	37	3	,	,	PUNCT
cet-4339	37	4	the	the	DET
cet-4339	37	5	lce	lce	PROPN
cet-4339	37	6	laser	laser	PROPN
cet-4339	37	7	communication	communication	NOUN
cet-4339	37	8	experiment	experiment	NOUN
cet-4339	37	9	system	system	NOUN
cet-4339	37	10	developed	develop	VERB
cet-4339	37	11	by	by	ADP
cet-4339	37	12	nasda	nasda	NOUN
cet-4339	37	13	has	have	AUX
cet-4339	37	14	conducted	conduct	VERB
cet-4339	37	15	both	both	DET
cet-4339	37	16	-	-	PUNCT
cet-4339	37	17	way	way	NOUN
cet-4339	37	18	laser	laser	NOUN
cet-4339	37	19	communication	communication	NOUN
cet-4339	37	20	experiment	experiment	NOUN
cet-4339	37	21	with	with	ADP
cet-4339	37	22	the	the	DET
cet-4339	37	23	jpl	jpl	PROPN
cet-4339	37	24	ground	ground	NOUN
cet-4339	37	25	station	station	NOUN
cet-4339	37	26	in	in	ADP
cet-4339	37	27	america	america	PROPN
cet-4339	37	28	.	.	PUNCT
cet-4339	38	1	the	the	DET
cet-4339	38	2	nasda	nasda	NOUN
cet-4339	38	3	in	in	ADP
cet-4339	38	4	japan	japan	PROPN
cet-4339	38	5	has	have	AUX
cet-4339	38	6	also	also	ADV
cet-4339	38	7	developed	develop	VERB
cet-4339	38	8	special	special	ADJ
cet-4339	38	9	laser	laser	NOUN
cet-4339	38	10	communication	communication	NOUN
cet-4339	38	11	experiment	experiment	NOUN
cet-4339	38	12	satellite	satellite	NOUN
cet-4339	38	13	oicets	oicet	NOUN
cet-4339	38	14	and	and	CCONJ
cet-4339	38	15	plans	plan	NOUN
cet-4339	38	16	to	to	PART
cet-4339	38	17	conduct	conduct	VERB
cet-4339	38	18	laser	laser	NOUN
cet-4339	38	19	communication	communication	NOUN
cet-4339	38	20	experiment	experiment	NOUN
cet-4339	38	21	with	with	ADP
cet-4339	38	22	esa	esa	PROPN
cet-4339	38	23	and	and	CCONJ
cet-4339	38	24	artemis	artemis	NOUN
cet-4339	38	25	.	.	PUNCT
cet-4339	39	1	america	america	PROPN
cet-4339	39	2	is	be	AUX
cet-4339	39	3	one	one	NUM
cet-4339	39	4	the	the	DET
cet-4339	39	5	earliest	early	ADJ
cet-4339	39	6	country	country	NOUN
cet-4339	39	7	in	in	ADP
cet-4339	39	8	the	the	DET
cet-4339	39	9	world	world	NOUN
cet-4339	39	10	to	to	PART
cet-4339	39	11	carry	carry	VERB
cet-4339	39	12	out	out	ADP
cet-4339	39	13	research	research	NOUN
cet-4339	39	14	on	on	ADP
cet-4339	39	15	space	space	NOUN
cet-4339	39	16	laser	laser	NOUN
cet-4339	39	17	communication	communication	NOUN
cet-4339	39	18	.	.	PUNCT
cet-4339	40	1	the	the	DET
cet-4339	40	2	research	research	NOUN
cet-4339	40	3	work	work	NOUN
cet-4339	40	4	has	have	AUX
cet-4339	40	5	gone	go	VERB
cet-4339	40	6	through	through	ADP
cet-4339	40	7	the	the	DET
cet-4339	40	8	process	process	NOUN
cet-4339	40	9	of	of	ADP
cet-4339	40	10	ground	ground	NOUN
cet-4339	40	11	demonstration	demonstration	NOUN
cet-4339	40	12	and	and	CCONJ
cet-4339	40	13	verification	verification	NOUN
cet-4339	40	14	,	,	PUNCT
cet-4339	40	15	key	key	ADJ
cet-4339	40	16	technology	technology	NOUN
cet-4339	40	17	research	research	NOUN
cet-4339	40	18	and	and	CCONJ
cet-4339	40	19	inter	inter	ADJ
cet-4339	40	20	-	-	ADJ
cet-4339	40	21	satellite	satellite	ADJ
cet-4339	40	22	and	and	CCONJ
cet-4339	40	23	satellite	satellite	NOUN
cet-4339	40	24	-	-	PUNCT
cet-4339	40	25	ground	ground	NOUN
cet-4339	40	26	space	space	NOUN
cet-4339	40	27	laser	laser	NOUN
cet-4339	40	28	communication	communication	NOUN
cet-4339	40	29	experiment	experiment	NOUN
cet-4339	40	30	.	.	PUNCT
cet-4339	41	1	america	america	PROPN
cet-4339	41	2	has	have	AUX
cet-4339	41	3	launched	launch	VERB
cet-4339	41	4	many	many	ADJ
cet-4339	41	5	research	research	NOUN
cet-4339	41	6	plans	plan	NOUN
cet-4339	41	7	on	on	ADP
cet-4339	41	8	satellite	satellite	NOUN
cet-4339	41	9	laser	laser	NOUN
cet-4339	41	10	communication	communication	NOUN
cet-4339	41	11	and	and	CCONJ
cet-4339	41	12	invested	invest	VERB
cet-4339	41	13	a	a	DET
cet-4339	41	14	large	large	ADJ
cet-4339	41	15	amount	amount	NOUN
cet-4339	41	16	of	of	ADP
cet-4339	41	17	money	money	NOUN
cet-4339	41	18	into	into	ADP
cet-4339	41	19	developing	develop	VERB
cet-4339	41	20	many	many	ADJ
cet-4339	41	21	satellite	satellite	NOUN
cet-4339	41	22	laser	laser	NOUN
cet-4339	41	23	communication	communication	NOUN
cet-4339	41	24	experiment	experiment	NOUN
cet-4339	41	25	terminals	terminal	NOUN
cet-4339	41	26	,	,	PUNCT
cet-4339	41	27	like	like	ADP
cet-4339	41	28	lcds	lcd	NOUN
cet-4339	41	29	supported	support	VERB
cet-4339	41	30	by	by	ADP
cet-4339	41	31	nasa	nasa	PROPN
cet-4339	41	32	,	,	PUNCT
cet-4339	41	33	lite	lite	ADJ
cet-4339	41	34	system	system	NOUN
cet-4339	41	35	of	of	ADP
cet-4339	41	36	mit	mit	PROPN
cet-4339	41	37	lincoln	lincoln	PROPN
cet-4339	41	38	laboratory	laboratory	NOUN
cet-4339	41	39	.	.	PUNCT
cet-4339	42	1	nasa	nasa	PROPN
cet-4339	42	2	’s	’s	PART
cet-4339	42	3	jpl	jpl	PROPN
cet-4339	42	4	has	have	AUX
cet-4339	42	5	developed	develop	VERB
cet-4339	42	6	2×600mbps	2×600mbps	NUM
cet-4339	42	7	satellite	satellite	NOUN
cet-4339	42	8	laser	laser	NOUN
cet-4339	42	9	communication	communication	NOUN
cet-4339	42	10	terminals	terminal	NOUN
cet-4339	42	11	and	and	CCONJ
cet-4339	42	12	the	the	DET
cet-4339	42	13	america	america	PROPN
cet-4339	42	14	military	military	PROPN
cet-4339	42	15	bmdo	bmdo	PROPN
cet-4339	42	16	has	have	AUX
cet-4339	42	17	established	establish	VERB
cet-4339	42	18	the	the	DET
cet-4339	42	19	laser	laser	NOUN
cet-4339	42	20	link	link	NOUN
cet-4339	42	21	terminal	terminal	NOUN
cet-4339	42	22	of	of	ADP
cet-4339	42	23	low	low	ADJ
cet-4339	42	24	earth	earth	NOUN
cet-4339	42	25	orbit	orbit	NOUN
cet-4339	42	26	satellite	satellite	NOUN
cet-4339	42	27	to	to	ADP
cet-4339	42	28	ground	ground	NOUN
cet-4339	42	29	station	station	NOUN
cet-4339	42	30	and	and	CCONJ
cet-4339	42	31	the	the	DET
cet-4339	42	32	data	data	NOUN
cet-4339	42	33	rate	rate	NOUN
cet-4339	42	34	is	be	AUX
cet-4339	42	35	1gbps	1gbps	NUM
cet-4339	42	36	.	.	PUNCT
cet-4339	43	1	america	america	PROPN
cet-4339	43	2	has	have	AUX
cet-4339	43	3	also	also	ADV
cet-4339	43	4	actively	actively	ADV
cet-4339	43	5	engaged	engage	VERB
cet-4339	43	6	in	in	ADP
cet-4339	43	7	the	the	DET
cet-4339	43	8	development	development	NOUN
cet-4339	43	9	of	of	ADP
cet-4339	43	10	laser	laser	NOUN
cet-4339	43	11	inter	inter	ADJ
cet-4339	43	12	-	-	ADJ
cet-4339	43	13	satellite	satellite	ADJ
cet-4339	43	14	link	link	NOUN
cet-4339	43	15	terminal	terminal	NOUN
cet-4339	43	16	in	in	ADP
cet-4339	43	17	small	small	ADJ
cet-4339	43	18	satellite	satellite	NOUN
cet-4339	43	19	constellation	constellation	NOUN
cet-4339	43	20	.	.	PUNCT
cet-4339	44	1	russia	russia	PROPN
cet-4339	44	2	has	have	AUX
cet-4339	44	3	made	make	VERB
cet-4339	44	4	great	great	ADJ
cet-4339	44	5	achievements	achievement	NOUN
cet-4339	44	6	in	in	ADP
cet-4339	44	7	inter	inter	ADJ
cet-4339	44	8	-	-	ADJ
cet-4339	44	9	satellite	satellite	ADJ
cet-4339	44	10	laser	laser	NOUN
cet-4339	44	11	communication	communication	NOUN
cet-4339	44	12	and	and	CCONJ
cet-4339	44	13	the	the	DET
cet-4339	44	14	ildts	ildts	ADJ
cet-4339	44	15	has	have	AUX
cet-4339	44	16	been	be	AUX
cet-4339	44	17	applied	apply	VERB
cet-4339	44	18	in	in	ADP
cet-4339	44	19	space	space	NOUN
cet-4339	44	20	station	station	NOUN
cet-4339	44	21	and	and	CCONJ
cet-4339	44	22	aircraft	aircraft	NOUN
cet-4339	44	23	.	.	PUNCT
cet-4339	45	1	at	at	ADP
cet-4339	45	2	present	present	ADJ
cet-4339	45	3	,	,	PUNCT
cet-4339	45	4	the	the	DET
cet-4339	45	5	international	international	ADJ
cet-4339	45	6	community	community	NOUN
cet-4339	45	7	has	have	AUX
cet-4339	45	8	completed	complete	VERB
cet-4339	45	9	the	the	DET
cet-4339	45	10	conception	conception	NOUN
cet-4339	45	11	research	research	NOUN
cet-4339	45	12	on	on	ADP
cet-4339	45	13	space	space	NOUN
cet-4339	45	14	laser	laser	NOUN
cet-4339	45	15	communication	communication	NOUN
cet-4339	45	16	link	link	NOUN
cet-4339	45	17	and	and	CCONJ
cet-4339	45	18	has	have	AUX
cet-4339	45	19	solved	solve	VERB
cet-4339	45	20	the	the	DET
cet-4339	45	21	problem	problem	NOUN
cet-4339	45	22	of	of	ADP
cet-4339	45	23	key	key	ADJ
cet-4339	45	24	technology	technology	NOUN
cet-4339	45	25	and	and	CCONJ
cet-4339	45	26	core	core	NOUN
cet-4339	45	27	component	component	NOUN
cet-4339	45	28	.	.	PUNCT
cet-4339	46	1	the	the	DET
cet-4339	46	2	laser	laser	NOUN
cet-4339	46	3	communication	communication	NOUN
cet-4339	46	4	experiment	experiment	NOUN
cet-4339	46	5	of	of	ADP
cet-4339	46	6	low	low	ADJ
cet-4339	46	7	earth	earth	NOUN
cet-4339	46	8	orbit	orbit	NOUN
cet-4339	46	9	satellite	satellite	NOUN
cet-4339	46	10	at	at	ADP
cet-4339	46	11	low	low	ADJ
cet-4339	46	12	and	and	CCONJ
cet-4339	46	13	medium	medium	ADJ
cet-4339	46	14	speed	speed	NOUN
cet-4339	46	15	ratio	ratio	NOUN
cet-4339	46	16	has	have	AUX
cet-4339	46	17	been	be	AUX
cet-4339	46	18	achieved	achieve	VERB
cet-4339	46	19	and	and	CCONJ
cet-4339	46	20	the	the	DET
cet-4339	46	21	laser	laser	NOUN
cet-4339	46	22	communication	communication	NOUN
cet-4339	46	23	experiment	experiment	NOUN
cet-4339	46	24	of	of	ADP
cet-4339	46	25	low	low	ADJ
cet-4339	46	26	earth	earth	NOUN
cet-4339	46	27	orbit	orbit	NOUN
cet-4339	46	28	satellite	satellite	NOUN
cet-4339	46	29	to	to	ADP
cet-4339	46	30	ground	ground	NOUN
cet-4339	46	31	station	station	NOUN
cet-4339	46	32	has	have	AUX
cet-4339	46	33	been	be	AUX
cet-4339	46	34	launched	launch	VERB
cet-4339	46	35	.	.	PUNCT
cet-4339	47	1	these	these	DET
cet-4339	47	2	communication	communication	NOUN
cet-4339	47	3	experiment	experiment	NOUN
cet-4339	47	4	systems	system	NOUN
cet-4339	47	5	have	have	AUX
cet-4339	47	6	reached	reach	VERB
cet-4339	47	7	high	high	ADJ
cet-4339	47	8	acquisition	acquisition	NOUN
cet-4339	47	9	probability	probability	NOUN
cet-4339	47	10	,	,	PUNCT
cet-4339	47	11	short	short	ADJ
cet-4339	47	12	acquisition	acquisition	NOUN
cet-4339	47	13	time	time	NOUN
cet-4339	47	14	,	,	PUNCT
cet-4339	47	15	dynamic	dynamic	ADJ
cet-4339	47	16	tracking	tracking	NOUN
cet-4339	47	17	and	and	CCONJ
cet-4339	47	18	pointing	point	VERB
cet-4339	47	19	with	with	ADP
cet-4339	47	20	high	high	ADJ
cet-4339	47	21	sensitivity	sensitivity	NOUN
cet-4339	47	22	under	under	ADP
cet-4339	47	23	a	a	DET
cet-4339	47	24	variety	variety	NOUN
cet-4339	47	25	of	of	ADP
cet-4339	47	26	interference	interference	NOUN
cet-4339	47	27	and	and	CCONJ
cet-4339	47	28	relatively	relatively	ADV
cet-4339	47	29	high	high	ADJ
cet-4339	47	30	data	data	NOUN
cet-4339	47	31	transmission	transmission	NOUN
cet-4339	47	32	rate	rate	NOUN
cet-4339	47	33	.	.	PUNCT
cet-4339	48	1	meanwhile	meanwhile	ADV
cet-4339	48	2	,	,	PUNCT
cet-4339	48	3	assessment	assessment	NOUN
cet-4339	48	4	and	and	CCONJ
cet-4339	48	5	testing	testing	NOUN
cet-4339	48	6	platform	platform	NOUN
cet-4339	48	7	of	of	ADP
cet-4339	48	8	laser	laser	NOUN
cet-4339	48	9	link	link	NOUN
cet-4339	48	10	system	system	NOUN
cet-4339	48	11	and	and	CCONJ
cet-4339	48	12	other	other	ADJ
cet-4339	48	13	analysis	analysis	NOUN
cet-4339	48	14	and	and	CCONJ
cet-4339	48	15	simulation	simulation	NOUN
cet-4339	48	16	software	software	NOUN
cet-4339	48	17	has	have	AUX
cet-4339	48	18	been	be	AUX
cet-4339	48	19	developed	develop	VERB
cet-4339	48	20	.	.	PUNCT
cet-4339	49	1	1016	1016	NUM
cet-4339	49	2	china	china	PROPN
cet-4339	49	3	has	have	VERB
cet-4339	49	4	a	a	DET
cet-4339	49	5	late	late	ADJ
cet-4339	49	6	start	start	NOUN
cet-4339	49	7	in	in	ADP
cet-4339	49	8	the	the	DET
cet-4339	49	9	research	research	NOUN
cet-4339	49	10	of	of	ADP
cet-4339	49	11	laser	laser	NOUN
cet-4339	49	12	communication	communication	NOUN
cet-4339	49	13	technique	technique	NOUN
cet-4339	49	14	.	.	PUNCT
cet-4339	50	1	china	china	PROPN
cet-4339	50	2	has	have	AUX
cet-4339	50	3	started	start	VERB
cet-4339	50	4	its	its	PRON
cet-4339	50	5	research	research	NOUN
cet-4339	50	6	on	on	ADP
cet-4339	50	7	wireless	wireless	ADJ
cet-4339	50	8	optical	optical	ADJ
cet-4339	50	9	communication	communication	NOUN
cet-4339	50	10	technique	technique	NOUN
cet-4339	50	11	and	and	CCONJ
cet-4339	50	12	system	system	NOUN
cet-4339	50	13	since	since	SCONJ
cet-4339	50	14	1970s	1970	NOUN
cet-4339	50	15	,	,	PUNCT
cet-4339	50	16	and	and	CCONJ
cet-4339	50	17	achieved	achieve	VERB
cet-4339	50	18	some	some	DET
cet-4339	50	19	results	result	NOUN
cet-4339	50	20	.	.	PUNCT
cet-4339	51	1	at	at	ADP
cet-4339	51	2	the	the	DET
cet-4339	51	3	moment	moment	NOUN
cet-4339	51	4	,	,	PUNCT
cet-4339	51	5	the	the	DET
cet-4339	51	6	units	unit	NOUN
cet-4339	51	7	which	which	PRON
cet-4339	51	8	launched	launch	VERB
cet-4339	51	9	the	the	DET
cet-4339	51	10	research	research	NOUN
cet-4339	51	11	on	on	ADP
cet-4339	51	12	satellite	satellite	ADJ
cet-4339	51	13	optical	optical	ADJ
cet-4339	51	14	communication	communication	NOUN
cet-4339	51	15	related	relate	VERB
cet-4339	51	16	technique	technique	NOUN
cet-4339	51	17	in	in	ADP
cet-4339	51	18	china	china	PROPN
cet-4339	51	19	include	include	VERB
cet-4339	51	20	harbin	harbin	PROPN
cet-4339	51	21	institute	institute	PROPN
cet-4339	51	22	of	of	ADP
cet-4339	51	23	technology	technology	PROPN
cet-4339	51	24	,	,	PUNCT
cet-4339	51	25	changchun	changchun	PROPN
cet-4339	51	26	university	university	PROPN
cet-4339	51	27	of	of	ADP
cet-4339	51	28	science	science	NOUN
cet-4339	51	29	and	and	CCONJ
cet-4339	51	30	technology	technology	NOUN
cet-4339	51	31	,	,	PUNCT
cet-4339	51	32	peking	peking	NOUN
cet-4339	51	33	university	university	NOUN
cet-4339	51	34	,	,	PUNCT
cet-4339	51	35	university	university	NOUN
cet-4339	51	36	of	of	ADP
cet-4339	51	37	electronic	electronic	ADJ
cet-4339	51	38	science	science	NOUN
cet-4339	51	39	and	and	CCONJ
cet-4339	51	40	technology	technology	NOUN
cet-4339	51	41	of	of	ADP
cet-4339	51	42	china	china	PROPN
cet-4339	51	43	,	,	PUNCT
cet-4339	51	44	shanghai	shanghai	PROPN
cet-4339	51	45	institute	institute	PROPN
cet-4339	51	46	of	of	ADP
cet-4339	51	47	optics	optic	NOUN
cet-4339	51	48	and	and	CCONJ
cet-4339	51	49	fine	fine	ADJ
cet-4339	51	50	mechanics	mechanic	NOUN
cet-4339	51	51	and	and	CCONJ
cet-4339	51	52	no.504	no.504	PROPN
cet-4339	51	53	research	research	PROPN
cet-4339	51	54	institute	institute	PROPN
cet-4339	51	55	of	of	ADP
cet-4339	51	56	space	space	NOUN
cet-4339	51	57	technology	technology	NOUN
cet-4339	51	58	in	in	ADP
cet-4339	51	59	wuhan	wuhan	PROPN
cet-4339	51	60	university	university	PROPN
cet-4339	51	61	.	.	PUNCT
cet-4339	52	1	besides	besides	SCONJ
cet-4339	52	2	,	,	PUNCT
cet-4339	52	3	the	the	DET
cet-4339	52	4	institute	institute	NOUN
cet-4339	52	5	of	of	ADP
cet-4339	52	6	optics	optic	NOUN
cet-4339	52	7	and	and	CCONJ
cet-4339	52	8	electronics	electronic	NOUN
cet-4339	52	9	of	of	ADP
cet-4339	52	10	chinese	chinese	PROPN
cet-4339	52	11	academy	academy	PROPN
cet-4339	52	12	of	of	ADP
cet-4339	52	13	sciences	sciences	PROPN
cet-4339	52	14	,	,	PUNCT
cet-4339	52	15	no.34	no.34	PROPN
cet-4339	52	16	institute	institute	PROPN
cet-4339	52	17	of	of	ADP
cet-4339	52	18	china	china	PROPN
cet-4339	52	19	electronic	electronic	PROPN
cet-4339	52	20	technology	technology	NOUN
cet-4339	52	21	corporation	corporation	NOUN
cet-4339	52	22	,	,	PUNCT
cet-4339	52	23	no.717	no.717	PROPN
cet-4339	52	24	research	research	PROPN
cet-4339	52	25	institute	institute	PROPN
cet-4339	52	26	of	of	ADP
cet-4339	52	27	china	china	PROPN
cet-4339	52	28	state	state	PROPN
cet-4339	52	29	shipbuilding	shipbuilding	NOUN
cet-4339	52	30	corporation	corporation	NOUN
cet-4339	52	31	and	and	CCONJ
cet-4339	52	32	other	other	ADJ
cet-4339	52	33	units	unit	NOUN
cet-4339	52	34	have	have	AUX
cet-4339	52	35	started	start	VERB
cet-4339	52	36	the	the	DET
cet-4339	52	37	research	research	NOUN
cet-4339	52	38	on	on	ADP
cet-4339	52	39	space	space	NOUN
cet-4339	52	40	laser	laser	NOUN
cet-4339	52	41	communication	communication	NOUN
cet-4339	52	42	technique	technique	NOUN
cet-4339	52	43	and	and	CCONJ
cet-4339	52	44	system	system	NOUN
cet-4339	52	45	.	.	PUNCT
cet-4339	53	1	among	among	ADP
cet-4339	53	2	all	all	DET
cet-4339	53	3	these	these	DET
cet-4339	53	4	units	unit	NOUN
cet-4339	53	5	,	,	PUNCT
cet-4339	53	6	harbin	harbin	PROPN
cet-4339	53	7	institute	institute	PROPN
cet-4339	53	8	of	of	ADP
cet-4339	53	9	technology	technology	PROPN
cet-4339	53	10	has	have	AUX
cet-4339	53	11	started	start	VERB
cet-4339	53	12	its	its	PRON
cet-4339	53	13	research	research	NOUN
cet-4339	53	14	work	work	NOUN
cet-4339	53	15	on	on	ADP
cet-4339	53	16	satellite	satellite	ADJ
cet-4339	53	17	optical	optical	ADJ
cet-4339	53	18	communication	communication	NOUN
cet-4339	53	19	since	since	SCONJ
cet-4339	53	20	1992	1992	NUM
cet-4339	53	21	,	,	PUNCT
cet-4339	53	22	which	which	PRON
cet-4339	53	23	is	be	AUX
cet-4339	53	24	the	the	DET
cet-4339	53	25	earliest	early	ADJ
cet-4339	53	26	unit	unit	NOUN
cet-4339	53	27	to	to	PART
cet-4339	53	28	start	start	VERB
cet-4339	53	29	this	this	DET
cet-4339	53	30	research	research	NOUN
cet-4339	53	31	.	.	PUNCT
cet-4339	54	1	university	university	NOUN
cet-4339	54	2	of	of	ADP
cet-4339	54	3	electronic	electronic	ADJ
cet-4339	54	4	science	science	NOUN
cet-4339	54	5	and	and	CCONJ
cet-4339	54	6	technology	technology	NOUN
cet-4339	54	7	of	of	ADP
cet-4339	54	8	china	china	PROPN
cet-4339	54	9	has	have	AUX
cet-4339	54	10	developed	develop	VERB
cet-4339	54	11	the	the	DET
cet-4339	54	12	optical	optical	ADJ
cet-4339	54	13	transmitter	transmitter	NOUN
cet-4339	54	14	and	and	CCONJ
cet-4339	54	15	receiver	receiver	NOUN
cet-4339	54	16	that	that	PRON
cet-4339	54	17	has	have	VERB
cet-4339	54	18	the	the	DET
cet-4339	54	19	function	function	NOUN
cet-4339	54	20	of	of	ADP
cet-4339	54	21	acquisition	acquisition	NOUN
cet-4339	54	22	,	,	PUNCT
cet-4339	54	23	positioning	positioning	NOUN
cet-4339	54	24	and	and	CCONJ
cet-4339	54	25	tracking	tracking	NOUN
cet-4339	54	26	and	and	CCONJ
cet-4339	54	27	has	have	AUX
cet-4339	54	28	conducted	conduct	VERB
cet-4339	54	29	the	the	DET
cet-4339	54	30	demonstration	demonstration	NOUN
cet-4339	54	31	experiment	experiment	NOUN
cet-4339	54	32	of	of	ADP
cet-4339	54	33	space	space	NOUN
cet-4339	54	34	laser	laser	NOUN
cet-4339	54	35	communication	communication	NOUN
cet-4339	54	36	with	with	ADP
cet-4339	54	37	real	real	ADJ
cet-4339	54	38	success	success	NOUN
cet-4339	54	39	.	.	PUNCT
cet-4339	55	1	wuhan	wuhan	PROPN
cet-4339	55	2	university	university	PROPN
cet-4339	55	3	has	have	AUX
cet-4339	55	4	developed	develop	VERB
cet-4339	55	5	the	the	DET
cet-4339	55	6	laser	laser	NOUN
cet-4339	55	7	communication	communication	NOUN
cet-4339	55	8	demonstration	demonstration	NOUN
cet-4339	55	9	experiment	experiment	NOUN
cet-4339	55	10	at	at	ADP
cet-4339	55	11	the	the	DET
cet-4339	55	12	speed	speed	NOUN
cet-4339	55	13	ratio	ratio	NOUN
cet-4339	55	14	of	of	ADP
cet-4339	55	15	42.24mbits	42.24mbits	PROPN
cet-4339	55	16	/	/	SYM
cet-4339	55	17	s.	s.	PROPN
cet-4339	55	18	changchun	changchun	PROPN
cet-4339	55	19	university	university	PROPN
cet-4339	55	20	of	of	ADP
cet-4339	55	21	science	science	NOUN
cet-4339	55	22	and	and	CCONJ
cet-4339	55	23	technology	technology	NOUN
cet-4339	55	24	has	have	VERB
cet-4339	55	25	a	a	DET
cet-4339	55	26	history	history	NOUN
cet-4339	55	27	of	of	ADP
cet-4339	55	28	more	more	ADJ
cet-4339	55	29	than	than	ADP
cet-4339	55	30	20	20	NUM
cet-4339	55	31	years	year	NOUN
cet-4339	55	32	in	in	ADP
cet-4339	55	33	launching	launch	VERB
cet-4339	55	34	the	the	DET
cet-4339	55	35	space	space	NOUN
cet-4339	55	36	laser	laser	NOUN
cet-4339	55	37	communication	communication	NOUN
cet-4339	55	38	research	research	NOUN
cet-4339	55	39	and	and	CCONJ
cet-4339	55	40	has	have	AUX
cet-4339	55	41	carried	carry	VERB
cet-4339	55	42	out	out	ADP
cet-4339	55	43	the	the	DET
cet-4339	55	44	theory	theory	NOUN
cet-4339	55	45	,	,	PUNCT
cet-4339	55	46	simulation	simulation	NOUN
cet-4339	55	47	,	,	PUNCT
cet-4339	55	48	key	key	ADJ
cet-4339	55	49	technology	technology	NOUN
cet-4339	55	50	demonstration	demonstration	NOUN
cet-4339	55	51	and	and	CCONJ
cet-4339	55	52	validation	validation	NOUN
cet-4339	55	53	research	research	NOUN
cet-4339	55	54	of	of	ADP
cet-4339	55	55	space	space	NOUN
cet-4339	55	56	laser	laser	NOUN
cet-4339	55	57	communication	communication	NOUN
cet-4339	55	58	.	.	PUNCT
cet-4339	56	1	it	it	PRON
cet-4339	56	2	now	now	ADV
cet-4339	56	3	has	have	VERB
cet-4339	56	4	space	space	NOUN
cet-4339	56	5	-	-	PUNCT
cet-4339	56	6	ground	ground	NOUN
cet-4339	56	7	laser	laser	NOUN
cet-4339	56	8	communication	communication	NOUN
cet-4339	56	9	technique	technique	NOUN
cet-4339	56	10	key	key	ADJ
cet-4339	56	11	discipline	discipline	NOUN
cet-4339	56	12	laboratory	laboratory	NOUN
cet-4339	56	13	for	for	ADP
cet-4339	56	14	national	national	ADJ
cet-4339	56	15	defense	defense	NOUN
cet-4339	56	16	and	and	CCONJ
cet-4339	56	17	attaches	attach	VERB
cet-4339	56	18	great	great	ADJ
cet-4339	56	19	emphasis	emphasis	NOUN
cet-4339	56	20	on	on	ADP
cet-4339	56	21	the	the	DET
cet-4339	56	22	research	research	NOUN
cet-4339	56	23	of	of	ADP
cet-4339	56	24	airborne	airborne	ADJ
cet-4339	56	25	platform	platform	NOUN
cet-4339	56	26	,	,	PUNCT
cet-4339	56	27	ground	ground	NOUN
cet-4339	56	28	platform	platform	NOUN
cet-4339	56	29	and	and	CCONJ
cet-4339	56	30	atmospheric	atmospheric	ADJ
cet-4339	56	31	channel	channel	NOUN
cet-4339	56	32	of	of	ADP
cet-4339	56	33	laser	laser	NOUN
cet-4339	56	34	communication	communication	NOUN
cet-4339	56	35	technique	technique	NOUN
cet-4339	56	36	and	and	CCONJ
cet-4339	56	37	system	system	NOUN
cet-4339	56	38	.	.	PUNCT
cet-4339	57	1	3	3	X
cet-4339	57	2	.	.	X
cet-4339	57	3	introduction	introduction	NOUN
cet-4339	57	4	to	to	ADP
cet-4339	57	5	space	space	NOUN
cet-4339	57	6	laser	laser	NOUN
cet-4339	57	7	communication	communication	NOUN
cet-4339	57	8	tracking	tracking	NOUN
cet-4339	57	9	and	and	CCONJ
cet-4339	57	10	pointing	pointing	NOUN
cet-4339	57	11	process	process	NOUN
cet-4339	57	12	the	the	DET
cet-4339	57	13	main	main	ADJ
cet-4339	57	14	function	function	NOUN
cet-4339	57	15	of	of	ADP
cet-4339	57	16	laser	laser	NOUN
cet-4339	57	17	communication	communication	NOUN
cet-4339	57	18	tracking	tracking	NOUN
cet-4339	57	19	and	and	CCONJ
cet-4339	57	20	pointing	pointing	NOUN
cet-4339	57	21	system	system	NOUN
cet-4339	57	22	is	be	AUX
cet-4339	57	23	pointing	point	VERB
cet-4339	57	24	,	,	PUNCT
cet-4339	57	25	acquisition	acquisition	NOUN
cet-4339	57	26	and	and	CCONJ
cet-4339	57	27	tracking	tracking	NOUN
cet-4339	57	28	,	,	PUNCT
cet-4339	57	29	which	which	PRON
cet-4339	57	30	is	be	AUX
cet-4339	57	31	pat	pat	PROPN
cet-4339	57	32	.	.	PUNCT
cet-4339	58	1	another	another	DET
cet-4339	58	2	important	important	ADJ
cet-4339	58	3	function	function	NOUN
cet-4339	58	4	is	be	AUX
cet-4339	58	5	to	to	PART
cet-4339	58	6	overcome	overcome	VERB
cet-4339	58	7	the	the	DET
cet-4339	58	8	disturbance	disturbance	NOUN
cet-4339	58	9	of	of	ADP
cet-4339	58	10	satellite	satellite	NOUN
cet-4339	58	11	platform	platform	NOUN
cet-4339	58	12	,	,	PUNCT
cet-4339	58	13	to	to	PART
cet-4339	58	14	maintain	maintain	VERB
cet-4339	58	15	tracking	track	VERB
cet-4339	58	16	state	state	NOUN
cet-4339	58	17	so	so	SCONJ
cet-4339	58	18	as	as	SCONJ
cet-4339	58	19	to	to	PART
cet-4339	58	20	ensure	ensure	VERB
cet-4339	58	21	the	the	DET
cet-4339	58	22	laser	laser	NOUN
cet-4339	58	23	link	link	NOUN
cet-4339	58	24	will	will	AUX
cet-4339	58	25	not	not	PART
cet-4339	58	26	be	be	AUX
cet-4339	58	27	interfered	interfere	VERB
cet-4339	58	28	by	by	ADP
cet-4339	58	29	external	external	ADJ
cet-4339	58	30	environment	environment	NOUN
cet-4339	58	31	.	.	PUNCT
cet-4339	59	1	the	the	DET
cet-4339	59	2	introduction	introduction	NOUN
cet-4339	59	3	to	to	ADP
cet-4339	59	4	the	the	DET
cet-4339	59	5	process	process	NOUN
cet-4339	59	6	is	be	AUX
cet-4339	59	7	as	as	ADP
cet-4339	59	8	follow	follow	VERB
cet-4339	59	9	:	:	PUNCT
cet-4339	59	10	1	1	X
cet-4339	59	11	)	)	PUNCT
cet-4339	59	12	pointing	pointing	NOUN
cet-4339	59	13	process	process	NOUN
cet-4339	59	14	:	:	PUNCT
cet-4339	59	15	two	two	NUM
cet-4339	59	16	satellites	satellite	NOUN
cet-4339	59	17	communication	communication	NOUN
cet-4339	59	18	terminals	terminal	NOUN
cet-4339	59	19	point	point	VERB
cet-4339	59	20	to	to	ADP
cet-4339	59	21	each	each	DET
cet-4339	59	22	other	other	ADJ
cet-4339	59	23	according	accord	VERB
cet-4339	59	24	to	to	ADP
cet-4339	59	25	the	the	DET
cet-4339	59	26	prediction	prediction	NOUN
cet-4339	59	27	of	of	ADP
cet-4339	59	28	satellite	satellite	NOUN
cet-4339	59	29	orbit	orbit	NOUN
cet-4339	59	30	;	;	PUNCT
cet-4339	59	31	2	2	X
cet-4339	59	32	)	)	PUNCT
cet-4339	59	33	acquisition	acquisition	NOUN
cet-4339	59	34	process	process	NOUN
cet-4339	59	35	:	:	PUNCT
cet-4339	59	36	the	the	DET
cet-4339	59	37	error	error	NOUN
cet-4339	59	38	in	in	ADP
cet-4339	59	39	the	the	DET
cet-4339	59	40	posture	posture	NOUN
cet-4339	59	41	and	and	CCONJ
cet-4339	59	42	positioning	positioning	NOUN
cet-4339	59	43	of	of	ADP
cet-4339	59	44	satellite	satellite	NOUN
cet-4339	59	45	leads	lead	VERB
cet-4339	59	46	to	to	ADP
cet-4339	59	47	the	the	DET
cet-4339	59	48	error	error	NOUN
cet-4339	59	49	whether	whether	SCONJ
cet-4339	59	50	the	the	DET
cet-4339	59	51	laser	laser	NOUN
cet-4339	59	52	communication	communication	NOUN
cet-4339	59	53	terminal	terminal	NOUN
cet-4339	59	54	is	be	AUX
cet-4339	59	55	accurately	accurately	ADV
cet-4339	59	56	pointed	point	VERB
cet-4339	59	57	to	to	ADP
cet-4339	59	58	the	the	DET
cet-4339	59	59	other	other	ADJ
cet-4339	59	60	terminal	terminal	NOUN
cet-4339	59	61	,	,	PUNCT
cet-4339	59	62	so	so	SCONJ
cet-4339	59	63	we	we	PRON
cet-4339	59	64	must	must	AUX
cet-4339	59	65	search	search	VERB
cet-4339	59	66	and	and	CCONJ
cet-4339	59	67	acquire	acquire	VERB
cet-4339	59	68	the	the	DET
cet-4339	59	69	other	other	ADJ
cet-4339	59	70	terminal	terminal	NOUN
cet-4339	59	71	within	within	ADP
cet-4339	59	72	certain	certain	ADJ
cet-4339	59	73	field	field	NOUN
cet-4339	59	74	range	range	NOUN
cet-4339	59	75	after	after	ADP
cet-4339	59	76	the	the	DET
cet-4339	59	77	pointing	pointing	NOUN
cet-4339	59	78	;	;	PUNCT
cet-4339	59	79	3	3	X
cet-4339	59	80	)	)	PUNCT
cet-4339	59	81	tracking	tracking	NOUN
cet-4339	59	82	process	process	NOUN
cet-4339	59	83	:	:	PUNCT
cet-4339	59	84	when	when	SCONJ
cet-4339	59	85	one	one	NUM
cet-4339	59	86	laser	laser	NOUN
cet-4339	59	87	communication	communication	NOUN
cet-4339	59	88	terminal	terminal	NOUN
cet-4339	59	89	discovers	discover	VERB
cet-4339	59	90	and	and	CCONJ
cet-4339	59	91	acquires	acquire	VERB
cet-4339	59	92	the	the	DET
cet-4339	59	93	beacon	beacon	NOUN
cet-4339	59	94	laser	laser	NOUN
cet-4339	59	95	of	of	ADP
cet-4339	59	96	the	the	DET
cet-4339	59	97	other	other	ADJ
cet-4339	59	98	terminal	terminal	NOUN
cet-4339	59	99	within	within	ADP
cet-4339	59	100	the	the	DET
cet-4339	59	101	acquisition	acquisition	NOUN
cet-4339	59	102	field	field	NOUN
cet-4339	59	103	range	range	NOUN
cet-4339	59	104	,	,	PUNCT
cet-4339	59	105	it	it	PRON
cet-4339	59	106	needs	need	VERB
cet-4339	59	107	to	to	PART
cet-4339	59	108	switch	switch	VERB
cet-4339	59	109	to	to	ADP
cet-4339	59	110	tracking	track	VERB
cet-4339	59	111	state	state	NOUN
cet-4339	59	112	and	and	CCONJ
cet-4339	59	113	maintain	maintain	VERB
cet-4339	59	114	the	the	DET
cet-4339	59	115	unimpeded	unimpeded	ADJ
cet-4339	59	116	state	state	NOUN
cet-4339	59	117	of	of	ADP
cet-4339	59	118	laser	laser	NOUN
cet-4339	59	119	communication	communication	NOUN
cet-4339	59	120	link	link	NOUN
cet-4339	59	121	.	.	PUNCT
cet-4339	60	1	internationally	internationally	ADV
cet-4339	60	2	,	,	PUNCT
cet-4339	60	3	the	the	DET
cet-4339	60	4	jpl	jpl	PROPN
cet-4339	60	5	of	of	ADP
cet-4339	60	6	nasa	nasa	PROPN
cet-4339	60	7	has	have	AUX
cet-4339	60	8	done	do	VERB
cet-4339	60	9	a	a	DET
cet-4339	60	10	lot	lot	NOUN
cet-4339	60	11	of	of	ADP
cet-4339	60	12	research	research	NOUN
cet-4339	60	13	and	and	CCONJ
cet-4339	60	14	experiments	experiment	NOUN
cet-4339	60	15	about	about	ADP
cet-4339	60	16	atp	atp	NOUN
cet-4339	60	17	technology	technology	NOUN
cet-4339	60	18	.	.	PUNCT
cet-4339	61	1	for	for	ADP
cet-4339	61	2	example	example	NOUN
cet-4339	61	3	,	,	PUNCT
cet-4339	61	4	in	in	ADP
cet-4339	61	5	dec	dec	PROPN
cet-4339	61	6	1992	1992	NUM
cet-4339	61	7	,	,	PUNCT
cet-4339	61	8	it	it	PRON
cet-4339	61	9	successfully	successfully	ADV
cet-4339	61	10	achieved	achieve	VERB
cet-4339	61	11	the	the	DET
cet-4339	61	12	laser	laser	NOUN
cet-4339	61	13	communication	communication	NOUN
cet-4339	61	14	link	link	NOUN
cet-4339	61	15	connection	connection	NOUN
cet-4339	61	16	between	between	ADP
cet-4339	61	17	table	table	NOUN
cet-4339	61	18	mountain	mountain	NOUN
cet-4339	61	19	observatory	observatory	NOUN
cet-4339	61	20	in	in	ADP
cet-4339	61	21	california	california	PROPN
cet-4339	61	22	and	and	CCONJ
cet-4339	61	23	galileo	galileo	PROPN
cet-4339	61	24	satellite	satellite	NOUN
cet-4339	61	25	using	use	VERB
cet-4339	61	26	the	the	DET
cet-4339	61	27	pat	pat	NOUN
cet-4339	61	28	technology	technology	NOUN
cet-4339	61	29	;	;	PUNCT
cet-4339	61	30	in	in	ADP
cet-4339	61	31	1995	1995	NUM
cet-4339	61	32	,	,	PUNCT
cet-4339	61	33	it	it	PRON
cet-4339	61	34	completed	complete	VERB
cet-4339	61	35	two	two	NUM
cet-4339	61	36	laser	laser	NOUN
cet-4339	61	37	communication	communication	NOUN
cet-4339	61	38	experiments	experiment	NOUN
cet-4339	61	39	,	,	PUNCT
cet-4339	61	40	one	one	NUM
cet-4339	61	41	of	of	ADP
cet-4339	61	42	which	which	PRON
cet-4339	61	43	verified	verify	VERB
cet-4339	61	44	that	that	SCONJ
cet-4339	61	45	the	the	DET
cet-4339	61	46	code	code	NOUN
cet-4339	61	47	rate	rate	NOUN
cet-4339	61	48	of	of	ADP
cet-4339	61	49	laser	laser	NOUN
cet-4339	61	50	communication	communication	NOUN
cet-4339	61	51	reached	reach	VERB
cet-4339	61	52	750mbit	750mbit	PROPN
cet-4339	61	53	/	/	SYM
cet-4339	61	54	s	s	NOUN
cet-4339	61	55	and	and	CCONJ
cet-4339	61	56	the	the	DET
cet-4339	61	57	other	other	ADJ
cet-4339	61	58	successfully	successfully	ADV
cet-4339	61	59	established	establish	VERB
cet-4339	61	60	the	the	DET
cet-4339	61	61	both	both	PRON
cet-4339	61	62	-	-	PUNCT
cet-4339	61	63	way	way	NOUN
cet-4339	61	64	laser	laser	NOUN
cet-4339	61	65	communication	communication	NOUN
cet-4339	61	66	link	link	NOUN
cet-4339	61	67	between	between	ADP
cet-4339	61	68	table	table	NOUN
cet-4339	61	69	mountain	mountain	NOUN
cet-4339	61	70	observatory	observatory	NOUN
cet-4339	61	71	in	in	ADP
cet-4339	61	72	california	california	PROPN
cet-4339	61	73	and	and	CCONJ
cet-4339	61	74	the	the	DET
cet-4339	61	75	satellite	satellite	NOUN
cet-4339	61	76	ets	ets	PROPN
cet-4339	61	77	-	-	PUNCT
cet-4339	61	78	vi	vi	NOUN
cet-4339	61	79	in	in	ADP
cet-4339	61	80	japan	japan	PROPN
cet-4339	61	81	and	and	CCONJ
cet-4339	61	82	the	the	DET
cet-4339	61	83	data	data	NOUN
cet-4339	61	84	rate	rate	NOUN
cet-4339	61	85	reached	reach	VERB
cet-4339	61	86	1024mbps	1024mbps	NUM
cet-4339	61	87	.	.	PUNCT
cet-4339	62	1	since	since	SCONJ
cet-4339	62	2	2001	2001	NUM
cet-4339	62	3	,	,	PUNCT
cet-4339	62	4	america	america	PROPN
cet-4339	62	5	has	have	AUX
cet-4339	62	6	always	always	ADV
cet-4339	62	7	been	be	AUX
cet-4339	62	8	researching	research	VERB
cet-4339	62	9	the	the	DET
cet-4339	62	10	laser	laser	NOUN
cet-4339	62	11	communication	communication	NOUN
cet-4339	62	12	technique	technique	NOUN
cet-4339	62	13	using	use	VERB
cet-4339	62	14	pat	pat	PROPN
cet-4339	62	15	technology	technology	NOUN
cet-4339	62	16	to	to	PART
cet-4339	62	17	restrain	restrain	VERB
cet-4339	62	18	the	the	DET
cet-4339	62	19	atmospheric	atmospheric	ADJ
cet-4339	62	20	influence	influence	NOUN
cet-4339	62	21	,	,	PUNCT
cet-4339	62	22	and	and	CCONJ
cet-4339	62	23	carrying	carry	VERB
cet-4339	62	24	out	out	ADP
cet-4339	62	25	a	a	DET
cet-4339	62	26	series	series	NOUN
cet-4339	62	27	of	of	ADP
cet-4339	62	28	laser	laser	NOUN
cet-4339	62	29	communication	communication	NOUN
cet-4339	62	30	experiments	experiment	NOUN
cet-4339	62	31	between	between	ADP
cet-4339	62	32	aircraft	aircraft	NOUN
cet-4339	62	33	and	and	CCONJ
cet-4339	62	34	ground	ground	NOUN
cet-4339	62	35	,	,	PUNCT
cet-4339	62	36	mainly	mainly	ADV
cet-4339	62	37	aiming	aim	VERB
cet-4339	62	38	at	at	ADP
cet-4339	62	39	low	low	ADJ
cet-4339	62	40	earth	earth	NOUN
cet-4339	62	41	orbit	orbit	NOUN
cet-4339	62	42	satellites	satellite	NOUN
cet-4339	62	43	.	.	PUNCT
cet-4339	63	1	as	as	ADV
cet-4339	63	2	early	early	ADV
cet-4339	63	3	as	as	ADP
cet-4339	63	4	1980s	1980	NOUN
cet-4339	63	5	,	,	PUNCT
cet-4339	63	6	the	the	DET
cet-4339	63	7	mcdonnell	mcdonnell	PROPN
cet-4339	63	8	douglas	douglas	PROPN
cet-4339	63	9	in	in	ADP
cet-4339	63	10	america	america	PROPN
cet-4339	63	11	conducted	conduct	VERB
cet-4339	63	12	the	the	DET
cet-4339	63	13	aircraft	aircraft	NOUN
cet-4339	63	14	to	to	PART
cet-4339	63	15	ground	ground	VERB
cet-4339	63	16	laser	laser	NOUN
cet-4339	63	17	communication	communication	NOUN
cet-4339	63	18	voice	voice	NOUN
cet-4339	63	19	frequency	frequency	NOUN
cet-4339	63	20	demonstration	demonstration	NOUN
cet-4339	63	21	experiment	experiment	NOUN
cet-4339	63	22	,	,	PUNCT
cet-4339	63	23	reaching	reach	VERB
cet-4339	63	24	the	the	DET
cet-4339	63	25	order	order	NOUN
cet-4339	63	26	of	of	ADP
cet-4339	63	27	magnitude	magnitude	NOUN
cet-4339	63	28	of	of	ADP
cet-4339	63	29	1gb	1gb	NOUN
cet-4339	63	30	/	/	SYM
cet-4339	63	31	s.	s.	PROPN
cet-4339	63	32	in	in	ADP
cet-4339	63	33	1998	1998	NUM
cet-4339	63	34	,	,	PUNCT
cet-4339	63	35	the	the	DET
cet-4339	63	36	lincoln	lincoln	PROPN
cet-4339	63	37	jpl	jpl	PROPN
cet-4339	63	38	in	in	ADP
cet-4339	63	39	america	america	PROPN
cet-4339	63	40	also	also	ADV
cet-4339	63	41	conducted	conduct	VERB
cet-4339	63	42	the	the	DET
cet-4339	63	43	laser	laser	NOUN
cet-4339	63	44	communication	communication	NOUN
cet-4339	63	45	between	between	ADP
cet-4339	63	46	the	the	DET
cet-4339	63	47	ground	ground	NOUN
cet-4339	63	48	and	and	CCONJ
cet-4339	63	49	space	space	NOUN
cet-4339	63	50	shuttle	shuttle	NOUN
cet-4339	63	51	with	with	ADP
cet-4339	63	52	real	real	ADJ
cet-4339	63	53	success	success	NOUN
cet-4339	63	54	.	.	PUNCT
cet-4339	64	1	in	in	ADP
cet-4339	64	2	1998	1998	NUM
cet-4339	64	3	,	,	PUNCT
cet-4339	64	4	the	the	DET
cet-4339	64	5	nec	nec	PROPN
cet-4339	64	6	in	in	ADP
cet-4339	64	7	japan	japan	PROPN
cet-4339	64	8	started	start	VERB
cet-4339	64	9	the	the	DET
cet-4339	64	10	research	research	NOUN
cet-4339	64	11	work	work	NOUN
cet-4339	64	12	on	on	ADP
cet-4339	64	13	laser	laser	NOUN
cet-4339	64	14	communication	communication	NOUN
cet-4339	64	15	and	and	CCONJ
cet-4339	64	16	conducted	conduct	VERB
cet-4339	64	17	many	many	ADJ
cet-4339	64	18	applications	application	NOUN
cet-4339	64	19	using	use	VERB
cet-4339	64	20	pat	pat	PROPN
cet-4339	64	21	technology	technology	NOUN
cet-4339	64	22	.	.	PUNCT
cet-4339	65	1	they	they	PRON
cet-4339	65	2	adopted	adopt	VERB
cet-4339	65	3	the	the	DET
cet-4339	65	4	compound	compound	NOUN
cet-4339	65	5	mode	mode	NOUN
cet-4339	65	6	of	of	ADP
cet-4339	65	7	wfpm	wfpm	NOUN
cet-4339	65	8	with	with	ADP
cet-4339	65	9	cpm	cpm	PROPN
cet-4339	65	10	in	in	ADP
cet-4339	65	11	large	large	ADJ
cet-4339	65	12	scale	scale	NOUN
cet-4339	65	13	,	,	PUNCT
cet-4339	65	14	enabling	enable	VERB
cet-4339	65	15	the	the	DET
cet-4339	65	16	atp	atp	NOUN
cet-4339	65	17	system	system	NOUN
cet-4339	65	18	in	in	ADP
cet-4339	65	19	laser	laser	NOUN
cet-4339	65	20	communication	communication	NOUN
cet-4339	65	21	field	field	NOUN
cet-4339	65	22	to	to	PART
cet-4339	65	23	be	be	AUX
cet-4339	65	24	lighter	light	ADJ
cet-4339	65	25	,	,	PUNCT
cet-4339	65	26	quicker	quick	ADJ
cet-4339	65	27	and	and	CCONJ
cet-4339	65	28	more	more	ADV
cet-4339	65	29	effective	effective	ADJ
cet-4339	65	30	.	.	PUNCT
cet-4339	66	1	in	in	ADP
cet-4339	66	2	1992	1992	NUM
cet-4339	66	3	,	,	PUNCT
cet-4339	66	4	the	the	DET
cet-4339	66	5	aod	aod	PROPN
cet-4339	66	6	developed	develop	VERB
cet-4339	66	7	by	by	ADP
cet-4339	66	8	lincoln	lincoln	PROPN
cet-4339	66	9	laboratory	laboratory	NOUN
cet-4339	66	10	made	make	VERB
cet-4339	66	11	it	it	PRON
cet-4339	66	12	possible	possible	ADJ
cet-4339	66	13	for	for	SCONJ
cet-4339	66	14	people	people	NOUN
cet-4339	66	15	to	to	PART
cet-4339	66	16	control	control	VERB
cet-4339	66	17	and	and	CCONJ
cet-4339	66	18	intervene	intervene	VERB
cet-4339	66	19	the	the	DET
cet-4339	66	20	pat	pat	NOUN
cet-4339	66	21	precise	precise	ADJ
cet-4339	66	22	pointing	pointing	NOUN
cet-4339	66	23	system	system	NOUN
cet-4339	66	24	with	with	ADP
cet-4339	66	25	non	non	ADJ
cet-4339	66	26	-	-	ADJ
cet-4339	66	27	mechanical	mechanical	ADJ
cet-4339	66	28	device	device	NOUN
cet-4339	66	29	light	light	NOUN
cet-4339	66	30	beam	beam	NOUN
cet-4339	66	31	and	and	CCONJ
cet-4339	66	32	achieved	achieve	VERB
cet-4339	66	33	continuous	continuous	ADJ
cet-4339	66	34	development	development	NOUN
cet-4339	66	35	.	.	PUNCT
cet-4339	67	1	considering	consider	VERB
cet-4339	67	2	the	the	DET
cet-4339	67	3	present	present	ADJ
cet-4339	67	4	state	state	NOUN
cet-4339	67	5	of	of	ADP
cet-4339	67	6	research	research	NOUN
cet-4339	67	7	at	at	ADP
cet-4339	67	8	home	home	NOUN
cet-4339	67	9	and	and	CCONJ
cet-4339	67	10	abroad	abroad	ADV
cet-4339	67	11	comprehensively	comprehensively	ADV
cet-4339	67	12	,	,	PUNCT
cet-4339	67	13	we	we	PRON
cet-4339	67	14	can	can	AUX
cet-4339	67	15	see	see	VERB
cet-4339	67	16	that	that	SCONJ
cet-4339	67	17	the	the	DET
cet-4339	67	18	research	research	NOUN
cet-4339	67	19	on	on	ADP
cet-4339	67	20	space	space	NOUN
cet-4339	67	21	pat	pat	NOUN
cet-4339	67	22	technology	technology	NOUN
cet-4339	67	23	is	be	AUX
cet-4339	67	24	still	still	ADV
cet-4339	67	25	developing	develop	VERB
cet-4339	67	26	and	and	CCONJ
cet-4339	67	27	integration	integration	NOUN
cet-4339	67	28	space	space	NOUN
cet-4339	67	29	pat	pat	NOUN
cet-4339	67	30	system	system	NOUN
cet-4339	67	31	that	that	PRON
cet-4339	67	32	is	be	AUX
cet-4339	67	33	smaller	small	ADJ
cet-4339	67	34	and	and	CCONJ
cet-4339	67	35	lighter	light	ADJ
cet-4339	67	36	is	be	AUX
cet-4339	67	37	been	be	AUX
cet-4339	67	38	designed	design	VERB
cet-4339	67	39	and	and	CCONJ
cet-4339	67	40	produced	produce	VERB
cet-4339	67	41	and	and	CCONJ
cet-4339	67	42	perfected	perfect	VERB
cet-4339	67	43	.	.	PUNCT
cet-4339	68	1	this	this	PRON
cet-4339	68	2	has	have	AUX
cet-4339	68	3	provided	provide	VERB
cet-4339	68	4	more	more	ADV
cet-4339	68	5	effective	effective	ADJ
cet-4339	68	6	technical	technical	ADJ
cet-4339	68	7	support	support	NOUN
cet-4339	68	8	for	for	ADP
cet-4339	68	9	the	the	DET
cet-4339	68	10	realization	realization	NOUN
cet-4339	68	11	of	of	ADP
cet-4339	68	12	laser	laser	NOUN
cet-4339	68	13	communication	communication	NOUN
cet-4339	68	14	in	in	ADP
cet-4339	68	15	inter	inter	ADJ
cet-4339	68	16	-	-	NOUN
cet-4339	68	17	satellite	satellite	ADJ
cet-4339	68	18	and	and	CCONJ
cet-4339	68	19	deep	deep	ADJ
cet-4339	68	20	space	space	NOUN
cet-4339	68	21	.	.	PUNCT
cet-4339	69	1	4	4	X
cet-4339	69	2	.	.	X
cet-4339	69	3	introduction	introduction	NOUN
cet-4339	69	4	to	to	ADP
cet-4339	69	5	space	space	NOUN
cet-4339	69	6	communication	communication	NOUN
cet-4339	69	7	tracking	tracking	NOUN
cet-4339	69	8	and	and	CCONJ
cet-4339	69	9	pointing	pointing	NOUN
cet-4339	69	10	mechanism	mechanism	NOUN
cet-4339	69	11	the	the	DET
cet-4339	69	12	tracking	tracking	NOUN
cet-4339	69	13	and	and	CCONJ
cet-4339	69	14	pointing	pointing	NOUN
cet-4339	69	15	system	system	NOUN
cet-4339	69	16	is	be	AUX
cet-4339	69	17	usually	usually	ADV
cet-4339	69	18	made	make	VERB
cet-4339	69	19	up	up	ADP
cet-4339	69	20	of	of	ADP
cet-4339	69	21	two	two	NUM
cet-4339	69	22	opto	opto	ADV
cet-4339	69	23	-	-	PUNCT
cet-4339	69	24	electro	electro	ADJ
cet-4339	69	25	-	-	PUNCT
cet-4339	69	26	mechanical	mechanical	ADJ
cet-4339	69	27	systems	system	NOUN
cet-4339	69	28	,	,	PUNCT
cet-4339	69	29	one	one	NUM
cet-4339	69	30	is	be	AUX
cet-4339	69	31	the	the	DET
cet-4339	69	32	rough	rough	ADJ
cet-4339	69	33	tracking	tracking	NOUN
cet-4339	69	34	and	and	CCONJ
cet-4339	69	35	pointing	point	VERB
cet-4339	69	36	opto	opto	ADJ
cet-4339	69	37	-	-	PUNCT
cet-4339	69	38	electro	electro	ADJ
cet-4339	69	39	-	-	PUNCT
cet-4339	69	40	mechanical	mechanical	ADJ
cet-4339	69	41	system	system	NOUN
cet-4339	69	42	and	and	CCONJ
cet-4339	69	43	the	the	DET
cet-4339	69	44	other	other	ADJ
cet-4339	69	45	is	be	AUX
cet-4339	69	46	precise	precise	ADJ
cet-4339	69	47	tracking	tracking	NOUN
cet-4339	69	48	and	and	CCONJ
cet-4339	69	49	pointing	point	VERB
cet-4339	69	50	optoelectro	optoelectro	NOUN
cet-4339	69	51	-	-	PUNCT
cet-4339	69	52	mechanical	mechanical	ADJ
cet-4339	69	53	system	system	NOUN
cet-4339	69	54	.	.	PUNCT
cet-4339	70	1	the	the	DET
cet-4339	70	2	main	main	ADJ
cet-4339	70	3	function	function	NOUN
cet-4339	70	4	of	of	ADP
cet-4339	70	5	rough	rough	ADJ
cet-4339	70	6	tracking	tracking	NOUN
cet-4339	70	7	and	and	CCONJ
cet-4339	70	8	pointing	pointing	NOUN
cet-4339	70	9	system	system	NOUN
cet-4339	70	10	is	be	AUX
cet-4339	70	11	to	to	PART
cet-4339	70	12	complete	complete	VERB
cet-4339	70	13	the	the	DET
cet-4339	70	14	big	big	ADJ
cet-4339	70	15	1017	1017	NUM
cet-4339	70	16	angle	angle	NOUN
cet-4339	70	17	scope	scope	NOUN
cet-4339	70	18	motion	motion	NOUN
cet-4339	70	19	of	of	ADP
cet-4339	70	20	terminals	terminal	NOUN
cet-4339	70	21	and	and	CCONJ
cet-4339	70	22	the	the	DET
cet-4339	70	23	acquisition	acquisition	NOUN
cet-4339	70	24	and	and	CCONJ
cet-4339	70	25	rough	rough	ADJ
cet-4339	70	26	tracking	tracking	NOUN
cet-4339	70	27	and	and	CCONJ
cet-4339	70	28	pointing	pointing	NOUN
cet-4339	70	29	of	of	ADP
cet-4339	70	30	incident	incident	NOUN
cet-4339	70	31	signal	signal	NOUN
cet-4339	70	32	beam	beam	NOUN
cet-4339	70	33	.	.	PUNCT
cet-4339	71	1	this	this	DET
cet-4339	71	2	system	system	NOUN
cet-4339	71	3	adopts	adopt	VERB
cet-4339	71	4	closed	close	VERB
cet-4339	71	5	-	-	PUNCT
cet-4339	71	6	loop	loop	NOUN
cet-4339	71	7	control	control	NOUN
cet-4339	71	8	.	.	PUNCT
cet-4339	72	1	the	the	DET
cet-4339	72	2	main	main	ADJ
cet-4339	72	3	function	function	NOUN
cet-4339	72	4	of	of	ADP
cet-4339	72	5	precise	precise	ADJ
cet-4339	72	6	tracking	tracking	NOUN
cet-4339	72	7	and	and	CCONJ
cet-4339	72	8	pointing	pointing	NOUN
cet-4339	72	9	system	system	NOUN
cet-4339	72	10	is	be	AUX
cet-4339	72	11	to	to	PART
cet-4339	72	12	precisely	precisely	ADV
cet-4339	72	13	track	track	VERB
cet-4339	72	14	the	the	DET
cet-4339	72	15	incident	incident	NOUN
cet-4339	72	16	beam	beam	NOUN
cet-4339	72	17	and	and	CCONJ
cet-4339	72	18	this	this	DET
cet-4339	72	19	system	system	NOUN
cet-4339	72	20	also	also	ADV
cet-4339	72	21	adopts	adopt	VERB
cet-4339	72	22	closed	close	VERB
cet-4339	72	23	-	-	PUNCT
cet-4339	72	24	loop	loop	NOUN
cet-4339	72	25	control	control	NOUN
cet-4339	72	26	.	.	PUNCT
cet-4339	73	1	rough	rough	ADJ
cet-4339	73	2	and	and	CCONJ
cet-4339	73	3	precise	precise	ADJ
cet-4339	73	4	tracking	tracking	NOUN
cet-4339	73	5	and	and	CCONJ
cet-4339	73	6	pointing	pointing	NOUN
cet-4339	73	7	adopt	adopt	VERB
cet-4339	73	8	the	the	DET
cet-4339	73	9	combination	combination	NOUN
cet-4339	73	10	of	of	ADP
cet-4339	73	11	compound	compound	NOUN
cet-4339	73	12	axis	axis	NOUN
cet-4339	73	13	mechanism	mechanism	NOUN
cet-4339	73	14	to	to	PART
cet-4339	73	15	achieve	achieve	VERB
cet-4339	73	16	high	high	ADJ
cet-4339	73	17	-	-	PUNCT
cet-4339	73	18	precision	precision	NOUN
cet-4339	73	19	tracking	tracking	NOUN
cet-4339	73	20	in	in	ADP
cet-4339	73	21	the	the	DET
cet-4339	73	22	wide	wide	ADJ
cet-4339	73	23	scanning	scanning	NOUN
cet-4339	73	24	range	range	NOUN
cet-4339	73	25	.	.	PUNCT
cet-4339	74	1	actually	actually	ADV
cet-4339	74	2	,	,	PUNCT
cet-4339	74	3	the	the	DET
cet-4339	74	4	pat	pat	NOUN
cet-4339	74	5	process	process	NOUN
cet-4339	74	6	is	be	AUX
cet-4339	74	7	the	the	DET
cet-4339	74	8	common	common	ADJ
cet-4339	74	9	process	process	NOUN
cet-4339	74	10	shared	share	VERB
cet-4339	74	11	by	by	ADP
cet-4339	74	12	terminals	terminal	NOUN
cet-4339	74	13	of	of	ADP
cet-4339	74	14	both	both	DET
cet-4339	74	15	sides	side	NOUN
cet-4339	74	16	.	.	PUNCT
cet-4339	75	1	4.1	4.1	NUM
cet-4339	75	2	rough	rough	ADJ
cet-4339	75	3	tracking	tracking	NOUN
cet-4339	75	4	and	and	CCONJ
cet-4339	75	5	pointing	pointing	NOUN
cet-4339	75	6	mechanism	mechanism	NOUN
cet-4339	75	7	rough	rough	ADJ
cet-4339	75	8	tracking	tracking	NOUN
cet-4339	75	9	and	and	CCONJ
cet-4339	75	10	pointing	pointing	NOUN
cet-4339	75	11	mechanism	mechanism	NOUN
cet-4339	75	12	generally	generally	ADV
cet-4339	75	13	adopts	adopt	VERB
cet-4339	75	14	the	the	DET
cet-4339	75	15	form	form	NOUN
cet-4339	75	16	of	of	ADP
cet-4339	75	17	two	two	NUM
cet-4339	75	18	-	-	PUNCT
cet-4339	75	19	dimension	dimension	NOUN
cet-4339	75	20	servo	servo	NOUN
cet-4339	75	21	turntable	turntable	NOUN
cet-4339	75	22	.	.	PUNCT
cet-4339	76	1	the	the	DET
cet-4339	76	2	twodimension	twodimension	NOUN
cet-4339	76	3	servo	servo	NOUN
cet-4339	76	4	turntable	turntable	NOUN
cet-4339	76	5	is	be	AUX
cet-4339	76	6	composed	compose	VERB
cet-4339	76	7	by	by	ADP
cet-4339	76	8	azimuth	azimuth	NOUN
cet-4339	76	9	axis	axis	NOUN
cet-4339	76	10	and	and	CCONJ
cet-4339	76	11	pitch	pitch	NOUN
cet-4339	76	12	axis	axis	NOUN
cet-4339	76	13	and	and	CCONJ
cet-4339	76	14	the	the	DET
cet-4339	76	15	two	two	NUM
cet-4339	76	16	axes	axis	NOUN
cet-4339	76	17	are	be	AUX
cet-4339	76	18	orthogonality	orthogonality	NOUN
cet-4339	76	19	.	.	PUNCT
cet-4339	77	1	the	the	DET
cet-4339	77	2	optical	optical	ADJ
cet-4339	77	3	load	load	NOUN
cet-4339	77	4	is	be	AUX
cet-4339	77	5	located	locate	VERB
cet-4339	77	6	at	at	ADP
cet-4339	77	7	the	the	DET
cet-4339	77	8	center	center	NOUN
cet-4339	77	9	of	of	ADP
cet-4339	77	10	turntable	turntable	NOUN
cet-4339	77	11	.	.	PUNCT
cet-4339	78	1	the	the	DET
cet-4339	78	2	optical	optical	ADJ
cet-4339	78	3	load	load	NOUN
cet-4339	78	4	is	be	AUX
cet-4339	78	5	driven	drive	VERB
cet-4339	78	6	by	by	ADP
cet-4339	78	7	azimuth	azimuth	NOUN
cet-4339	78	8	axis	axis	NOUN
cet-4339	78	9	and	and	CCONJ
cet-4339	78	10	pitch	pitch	NOUN
cet-4339	78	11	axis	axis	NOUN
cet-4339	78	12	to	to	PART
cet-4339	78	13	achieve	achieve	VERB
cet-4339	78	14	the	the	DET
cet-4339	78	15	azimuth	azimuth	NOUN
cet-4339	78	16	and	and	CCONJ
cet-4339	78	17	pitching	pitch	VERB
cet-4339	78	18	motion	motion	NOUN
cet-4339	78	19	.	.	PUNCT
cet-4339	79	1	internationally	internationally	ADV
cet-4339	79	2	,	,	PUNCT
cet-4339	79	3	we	we	PRON
cet-4339	79	4	have	have	VERB
cet-4339	79	5	many	many	ADJ
cet-4339	79	6	successful	successful	ADJ
cet-4339	79	7	cases	case	NOUN
cet-4339	79	8	employing	employ	VERB
cet-4339	79	9	twodimension	twodimension	NOUN
cet-4339	79	10	servo	servo	NOUN
cet-4339	79	11	turntable	turntable	NOUN
cet-4339	79	12	in	in	ADP
cet-4339	79	13	space	space	NOUN
cet-4339	79	14	-	-	PUNCT
cet-4339	79	15	based	base	VERB
cet-4339	79	16	imaging	imaging	NOUN
cet-4339	79	17	and	and	CCONJ
cet-4339	79	18	tracking	tracking	NOUN
cet-4339	79	19	and	and	CCONJ
cet-4339	79	20	pointing	pointing	NOUN
cet-4339	79	21	system	system	NOUN
cet-4339	79	22	.	.	PUNCT
cet-4339	80	1	among	among	ADP
cet-4339	80	2	these	these	DET
cet-4339	80	3	cases	case	NOUN
cet-4339	80	4	,	,	PUNCT
cet-4339	80	5	the	the	DET
cet-4339	80	6	sbss	sbss	NOUN
cet-4339	80	7	launched	launch	VERB
cet-4339	80	8	on	on	ADP
cet-4339	80	9	sep	sep	PROPN
cet-4339	80	10	25th	25th	NOUN
cet-4339	80	11	2010	2010	NUM
cet-4339	80	12	by	by	ADP
cet-4339	80	13	america	america	PROPN
cet-4339	80	14	adopted	adopt	VERB
cet-4339	80	15	basic	basic	ADJ
cet-4339	80	16	azimuth	azimuth	NOUN
cet-4339	80	17	-	-	PUNCT
cet-4339	80	18	type	type	NOUN
cet-4339	80	19	2	2	NUM
cet-4339	80	20	-	-	PUNCT
cet-4339	80	21	axis	axis	NOUN
cet-4339	80	22	rotation	rotation	NOUN
cet-4339	80	23	system	system	NOUN
cet-4339	80	24	.	.	PUNCT
cet-4339	81	1	the	the	DET
cet-4339	81	2	positional	positional	ADJ
cet-4339	81	3	accuracy	accuracy	NOUN
cet-4339	81	4	of	of	ADP
cet-4339	81	5	this	this	DET
cet-4339	81	6	two	two	NUM
cet-4339	81	7	-	-	PUNCT
cet-4339	81	8	dimension	dimension	NOUN
cet-4339	81	9	rotation	rotation	NOUN
cet-4339	81	10	system	system	NOUN
cet-4339	81	11	is	be	AUX
cet-4339	81	12	less	less	ADJ
cet-4339	81	13	than	than	ADP
cet-4339	81	14	5μrad	5μrad	NUM
cet-4339	81	15	,	,	PUNCT
cet-4339	81	16	the	the	DET
cet-4339	81	17	payload	payload	NOUN
cet-4339	81	18	can	can	AUX
cet-4339	81	19	reach	reach	VERB
cet-4339	81	20	2000	2000	NUM
cet-4339	81	21	lb	lb	NOUN
cet-4339	81	22	,	,	PUNCT
cet-4339	81	23	the	the	DET
cet-4339	81	24	structural	structural	ADJ
cet-4339	81	25	stiffness	stiffness	NOUN
cet-4339	81	26	is	be	AUX
cet-4339	81	27	100hz	100hz	ADJ
cet-4339	81	28	and	and	CCONJ
cet-4339	81	29	the	the	DET
cet-4339	81	30	lifespan	lifespan	NOUN
cet-4339	81	31	is	be	AUX
cet-4339	81	32	five	five	NUM
cet-4339	81	33	and	and	CCONJ
cet-4339	81	34	half	half	ADJ
cet-4339	81	35	years	year	NOUN
cet-4339	81	36	.	.	PUNCT
cet-4339	82	1	the	the	DET
cet-4339	82	2	structure	structure	NOUN
cet-4339	82	3	is	be	AUX
cet-4339	82	4	shown	show	VERB
cet-4339	82	5	in	in	ADP
cet-4339	82	6	figure	figure	NOUN
cet-4339	82	7	1	1	NUM
cet-4339	82	8	.	.	PUNCT
cet-4339	82	9	figure	figure	NOUN
cet-4339	82	10	1	1	NUM
cet-4339	82	11	:	:	PUNCT
cet-4339	82	12	sbss	sbss	NOUN
cet-4339	82	13	2	2	NUM
cet-4339	82	14	-	-	PUNCT
cet-4339	82	15	axis	axis	NOUN
cet-4339	82	16	turntable	turntable	ADJ
cet-4339	82	17	and	and	CCONJ
cet-4339	82	18	remote	remote	ADJ
cet-4339	82	19	sensor	sensor	NOUN
cet-4339	82	20	the	the	DET
cet-4339	82	21	research	research	NOUN
cet-4339	82	22	on	on	ADP
cet-4339	82	23	the	the	DET
cet-4339	82	24	turntable	turntable	NOUN
cet-4339	82	25	of	of	ADP
cet-4339	82	26	space	space	NOUN
cet-4339	82	27	laser	laser	NOUN
cet-4339	82	28	communication	communication	NOUN
cet-4339	82	29	system	system	NOUN
cet-4339	82	30	has	have	AUX
cet-4339	82	31	always	always	ADV
cet-4339	82	32	been	be	AUX
cet-4339	82	33	an	an	DET
cet-4339	82	34	important	important	ADJ
cet-4339	82	35	index	index	NOUN
cet-4339	82	36	in	in	ADP
cet-4339	82	37	evaluating	evaluate	VERB
cet-4339	82	38	laser	laser	NOUN
cet-4339	82	39	communication	communication	NOUN
cet-4339	82	40	performance	performance	NOUN
cet-4339	82	41	.	.	PUNCT
cet-4339	83	1	the	the	DET
cet-4339	83	2	laser	laser	NOUN
cet-4339	83	3	communication	communication	NOUN
cet-4339	83	4	platform	platform	NOUN
cet-4339	83	5	needs	need	VERB
cet-4339	83	6	to	to	PART
cet-4339	83	7	be	be	AUX
cet-4339	83	8	carried	carry	VERB
cet-4339	83	9	on	on	ADP
cet-4339	83	10	aircraft	aircraft	NOUN
cet-4339	83	11	,	,	PUNCT
cet-4339	83	12	airship	airship	NOUN
cet-4339	83	13	,	,	PUNCT
cet-4339	83	14	satellite	satellite	NOUN
cet-4339	83	15	,	,	PUNCT
cet-4339	83	16	observation	observation	NOUN
cet-4339	83	17	and	and	CCONJ
cet-4339	83	18	control	control	NOUN
cet-4339	83	19	ship	ship	NOUN
cet-4339	83	20	,	,	PUNCT
cet-4339	83	21	ground	ground	NOUN
cet-4339	83	22	and	and	CCONJ
cet-4339	83	23	other	other	ADJ
cet-4339	83	24	platforms	platform	NOUN
cet-4339	83	25	,	,	PUNCT
cet-4339	83	26	so	so	SCONJ
cet-4339	83	27	they	they	PRON
cet-4339	83	28	have	have	VERB
cet-4339	83	29	different	different	ADJ
cet-4339	83	30	tracking	tracking	NOUN
cet-4339	83	31	link	link	NOUN
cet-4339	83	32	.	.	PUNCT
cet-4339	84	1	various	various	ADJ
cet-4339	84	2	countries	country	NOUN
cet-4339	84	3	have	have	AUX
cet-4339	84	4	designed	design	VERB
cet-4339	84	5	turntables	turntable	NOUN
cet-4339	84	6	of	of	ADP
cet-4339	84	7	different	different	ADJ
cet-4339	84	8	structures	structure	NOUN
cet-4339	84	9	based	base	VERB
cet-4339	84	10	on	on	ADP
cet-4339	84	11	the	the	DET
cet-4339	84	12	requirements	requirement	NOUN
cet-4339	84	13	of	of	ADP
cet-4339	84	14	their	their	PRON
cet-4339	84	15	angle	angle	NOUN
cet-4339	84	16	servo	servo	NOUN
cet-4339	84	17	scope	scope	NOUN
cet-4339	84	18	,	,	PUNCT
cet-4339	84	19	tracking	track	VERB
cet-4339	84	20	speed	speed	NOUN
cet-4339	84	21	and	and	CCONJ
cet-4339	84	22	tracking	tracking	NOUN
cet-4339	84	23	precision	precision	NOUN
cet-4339	84	24	.	.	PUNCT
cet-4339	85	1	the	the	DET
cet-4339	85	2	structure	structure	NOUN
cet-4339	85	3	of	of	ADP
cet-4339	85	4	turntables	turntable	NOUN
cet-4339	85	5	can	can	AUX
cet-4339	85	6	be	be	AUX
cet-4339	85	7	summarized	summarize	VERB
cet-4339	85	8	as	as	ADP
cet-4339	85	9	follow	follow	NOUN
cet-4339	85	10	:	:	PUNCT
cet-4339	85	11	1	1	NUM
cet-4339	85	12	)	)	PUNCT
cet-4339	85	13	cross	cross	ADJ
cet-4339	85	14	-	-	ADJ
cet-4339	85	15	shaped	shaped	ADJ
cet-4339	85	16	tracking	tracking	NOUN
cet-4339	85	17	rack	rack	NOUN
cet-4339	85	18	structure	structure	NOUN
cet-4339	85	19	is	be	AUX
cet-4339	85	20	composed	compose	VERB
cet-4339	85	21	by	by	ADP
cet-4339	85	22	azimuth	azimuth	NOUN
cet-4339	85	23	axis	axis	NOUN
cet-4339	85	24	and	and	CCONJ
cet-4339	85	25	pitch	pitch	NOUN
cet-4339	85	26	axis	axis	NOUN
cet-4339	85	27	and	and	CCONJ
cet-4339	85	28	the	the	DET
cet-4339	85	29	two	two	NUM
cet-4339	85	30	axes	axis	NOUN
cet-4339	85	31	are	be	AUX
cet-4339	85	32	orthogonality	orthogonality	NOUN
cet-4339	85	33	;	;	PUNCT
cet-4339	85	34	the	the	DET
cet-4339	85	35	optical	optical	ADJ
cet-4339	85	36	load	load	NOUN
cet-4339	85	37	is	be	AUX
cet-4339	85	38	located	locate	VERB
cet-4339	85	39	at	at	ADP
cet-4339	85	40	the	the	DET
cet-4339	85	41	center	center	NOUN
cet-4339	85	42	of	of	ADP
cet-4339	85	43	turntable	turntable	NOUN
cet-4339	85	44	.	.	PUNCT
cet-4339	86	1	the	the	DET
cet-4339	86	2	optical	optical	ADJ
cet-4339	86	3	load	load	NOUN
cet-4339	86	4	is	be	AUX
cet-4339	86	5	driven	drive	VERB
cet-4339	86	6	by	by	ADP
cet-4339	86	7	azimuth	azimuth	NOUN
cet-4339	86	8	axis	axis	NOUN
cet-4339	86	9	and	and	CCONJ
cet-4339	86	10	pitch	pitch	NOUN
cet-4339	86	11	axis	axis	NOUN
cet-4339	86	12	to	to	PART
cet-4339	86	13	achieve	achieve	VERB
cet-4339	86	14	the	the	DET
cet-4339	86	15	azimuth	azimuth	NOUN
cet-4339	86	16	and	and	CCONJ
cet-4339	86	17	pitching	pitch	VERB
cet-4339	86	18	motion	motion	NOUN
cet-4339	86	19	;	;	PUNCT
cet-4339	86	20	the	the	DET
cet-4339	86	21	main	main	ADJ
cet-4339	86	22	optical	optical	ADJ
cet-4339	86	23	antenna	antenna	NOUN
cet-4339	86	24	of	of	ADP
cet-4339	86	25	the	the	DET
cet-4339	86	26	integrated	integrate	VERB
cet-4339	86	27	optical	optical	ADJ
cet-4339	86	28	transmitter	transmitter	NOUN
cet-4339	86	29	and	and	CCONJ
cet-4339	86	30	receiver	receiver	NOUN
cet-4339	86	31	on	on	ADP
cet-4339	86	32	optical	optical	ADJ
cet-4339	86	33	load	load	NOUN
cet-4339	86	34	and	and	CCONJ
cet-4339	86	35	most	most	ADJ
cet-4339	86	36	of	of	ADP
cet-4339	86	37	the	the	DET
cet-4339	86	38	optical	optical	ADJ
cet-4339	86	39	system	system	NOUN
cet-4339	86	40	and	and	CCONJ
cet-4339	86	41	part	part	NOUN
cet-4339	86	42	of	of	ADP
cet-4339	86	43	the	the	DET
cet-4339	86	44	electronic	electronic	ADJ
cet-4339	86	45	system	system	NOUN
cet-4339	86	46	are	be	AUX
cet-4339	86	47	shown	show	VERB
cet-4339	86	48	is	be	AUX
cet-4339	86	49	figure	figure	NOUN
cet-4339	86	50	2	2	NUM
cet-4339	86	51	.	.	PUNCT
cet-4339	87	1	the	the	DET
cet-4339	87	2	main	main	ADJ
cet-4339	87	3	defects	defect	NOUN
cet-4339	87	4	are	be	AUX
cet-4339	87	5	the	the	DET
cet-4339	87	6	heavy	heavy	ADJ
cet-4339	87	7	weight	weight	NOUN
cet-4339	87	8	of	of	ADP
cet-4339	87	9	moving	move	VERB
cet-4339	87	10	components	component	NOUN
cet-4339	87	11	,	,	PUNCT
cet-4339	87	12	high	high	ADJ
cet-4339	87	13	requirements	requirement	NOUN
cet-4339	87	14	for	for	ADP
cet-4339	87	15	the	the	DET
cet-4339	87	16	moment	moment	NOUN
cet-4339	87	17	of	of	ADP
cet-4339	87	18	driving	driving	NOUN
cet-4339	87	19	devices	device	NOUN
cet-4339	87	20	and	and	CCONJ
cet-4339	87	21	huge	huge	ADJ
cet-4339	87	22	size	size	NOUN
cet-4339	87	23	of	of	ADP
cet-4339	87	24	the	the	DET
cet-4339	87	25	mechanism	mechanism	NOUN
cet-4339	87	26	;	;	PUNCT
cet-4339	87	27	the	the	DET
cet-4339	87	28	big	big	ADJ
cet-4339	87	29	inertia	inertia	NOUN
cet-4339	87	30	brought	bring	VERB
cet-4339	87	31	by	by	ADP
cet-4339	87	32	the	the	DET
cet-4339	87	33	rotation	rotation	NOUN
cet-4339	87	34	of	of	ADP
cet-4339	87	35	the	the	DET
cet-4339	87	36	system	system	NOUN
cet-4339	87	37	leads	lead	VERB
cet-4339	87	38	to	to	ADP
cet-4339	87	39	the	the	DET
cet-4339	87	40	huge	huge	ADJ
cet-4339	87	41	ratio	ratio	NOUN
cet-4339	87	42	of	of	ADP
cet-4339	87	43	rotational	rotational	ADJ
cet-4339	87	44	inertia	inertia	NOUN
cet-4339	87	45	brought	bring	VERB
cet-4339	87	46	by	by	ADP
cet-4339	87	47	the	the	DET
cet-4339	87	48	system	system	NOUN
cet-4339	87	49	and	and	CCONJ
cet-4339	87	50	the	the	DET
cet-4339	87	51	stars	star	NOUN
cet-4339	87	52	.	.	PUNCT
cet-4339	88	1	therefore	therefore	ADV
cet-4339	88	2	,	,	PUNCT
cet-4339	88	3	the	the	DET
cet-4339	88	4	rotation	rotation	NOUN
cet-4339	88	5	of	of	ADP
cet-4339	88	6	the	the	DET
cet-4339	88	7	system	system	NOUN
cet-4339	88	8	will	will	AUX
cet-4339	88	9	exert	exert	VERB
cet-4339	88	10	huge	huge	ADJ
cet-4339	88	11	influence	influence	NOUN
cet-4339	88	12	on	on	ADP
cet-4339	88	13	the	the	DET
cet-4339	88	14	posture	posture	NOUN
cet-4339	88	15	of	of	ADP
cet-4339	88	16	satellites	satellite	NOUN
cet-4339	88	17	and	and	CCONJ
cet-4339	88	18	severely	severely	ADV
cet-4339	88	19	impact	impact	VERB
cet-4339	88	20	the	the	DET
cet-4339	88	21	precision	precision	NOUN
cet-4339	88	22	of	of	ADP
cet-4339	88	23	the	the	DET
cet-4339	88	24	system	system	NOUN
cet-4339	88	25	.	.	PUNCT
cet-4339	89	1	the	the	DET
cet-4339	89	2	laser	laser	NOUN
cet-4339	89	3	communication	communication	NOUN
cet-4339	89	4	launching	launch	VERB
cet-4339	89	5	servo	servo	NOUN
cet-4339	89	6	turntable	turntable	NOUN
cet-4339	89	7	lct	lct	PROPN
cet-4339	89	8	of	of	ADP
cet-4339	89	9	goddard	goddard	PROPN
cet-4339	89	10	space	space	NOUN
cet-4339	89	11	flight	flight	NOUN
cet-4339	89	12	center	center	NOUN
cet-4339	89	13	in	in	ADP
cet-4339	89	14	nasa	nasa	PROPN
cet-4339	89	15	adopted	adopt	VERB
cet-4339	89	16	this	this	DET
cet-4339	89	17	laser	laser	NOUN
cet-4339	89	18	communication	communication	NOUN
cet-4339	89	19	system	system	NOUN
cet-4339	89	20	.	.	PUNCT
cet-4339	90	1	figure	figure	NOUN
cet-4339	90	2	2	2	NUM
cet-4339	90	3	:	:	PUNCT
cet-4339	90	4	structure	structure	NOUN
cet-4339	90	5	of	of	ADP
cet-4339	90	6	the	the	DET
cet-4339	90	7	lct	lct	PROPN
cet-4339	90	8	1018	1018	NUM
cet-4339	90	9	2	2	NUM
cet-4339	90	10	)	)	PUNCT
cet-4339	90	11	periscope	periscope	NOUN
cet-4339	90	12	-	-	PUNCT
cet-4339	90	13	type	type	NOUN
cet-4339	90	14	structure	structure	NOUN
cet-4339	90	15	pat	pat	NOUN
cet-4339	90	16	device	device	NOUN
cet-4339	90	17	adopts	adopt	VERB
cet-4339	90	18	two	two	NUM
cet-4339	90	19	45	45	NUM
cet-4339	90	20	°	°	NOUN
cet-4339	90	21	reflectors	reflector	NOUN
cet-4339	90	22	to	to	PART
cet-4339	90	23	respectively	respectively	ADV
cet-4339	90	24	achieve	achieve	VERB
cet-4339	90	25	azimuth	azimuth	NOUN
cet-4339	90	26	and	and	CCONJ
cet-4339	90	27	pitch	pitch	NOUN
cet-4339	90	28	scanning	scanning	NOUN
cet-4339	90	29	.	.	PUNCT
cet-4339	91	1	main	main	ADJ
cet-4339	91	2	optical	optical	ADJ
cet-4339	91	3	system	system	NOUN
cet-4339	91	4	is	be	AUX
cet-4339	91	5	located	locate	VERB
cet-4339	91	6	on	on	ADP
cet-4339	91	7	the	the	DET
cet-4339	91	8	carrying	carry	VERB
cet-4339	91	9	platform	platform	NOUN
cet-4339	91	10	;	;	PUNCT
cet-4339	91	11	the	the	DET
cet-4339	91	12	main	main	ADJ
cet-4339	91	13	defects	defect	NOUN
cet-4339	91	14	are	be	AUX
cet-4339	91	15	the	the	DET
cet-4339	91	16	huge	huge	ADJ
cet-4339	91	17	turning	turning	NOUN
cet-4339	91	18	radius	radius	NOUN
cet-4339	91	19	at	at	ADP
cet-4339	91	20	work	work	NOUN
cet-4339	91	21	,	,	PUNCT
cet-4339	91	22	that	that	SCONJ
cet-4339	91	23	it	it	PRON
cet-4339	91	24	calls	call	VERB
cet-4339	91	25	for	for	ADP
cet-4339	91	26	enough	enough	ADJ
cet-4339	91	27	space	space	NOUN
cet-4339	91	28	when	when	SCONJ
cet-4339	91	29	it	it	PRON
cet-4339	91	30	is	be	AUX
cet-4339	91	31	installed	instal	VERB
cet-4339	91	32	on	on	ADP
cet-4339	91	33	the	the	DET
cet-4339	91	34	satellite	satellite	NOUN
cet-4339	91	35	,	,	PUNCT
cet-4339	91	36	and	and	CCONJ
cet-4339	91	37	that	that	SCONJ
cet-4339	91	38	azimuth	azimuth	NOUN
cet-4339	91	39	and	and	CCONJ
cet-4339	91	40	pitch	pitch	NOUN
cet-4339	91	41	motion	motion	NOUN
cet-4339	91	42	has	have	VERB
cet-4339	91	43	some	some	DET
cet-4339	91	44	effects	effect	NOUN
cet-4339	91	45	on	on	ADP
cet-4339	91	46	the	the	DET
cet-4339	91	47	satellite	satellite	NOUN
cet-4339	91	48	posture	posture	NOUN
cet-4339	91	49	,	,	PUNCT
cet-4339	91	50	especially	especially	ADV
cet-4339	91	51	when	when	SCONJ
cet-4339	91	52	the	the	DET
cet-4339	91	53	azimuth	azimuth	NOUN
cet-4339	91	54	and	and	CCONJ
cet-4339	91	55	pitch	pitch	NOUN
cet-4339	91	56	angle	angle	NOUN
cet-4339	91	57	is	be	AUX
cet-4339	91	58	(	(	PUNCT
cet-4339	91	59	±71,0	±71,0	NOUN
cet-4339	91	60	)	)	PUNCT
cet-4339	91	61	.	.	PUNCT
cet-4339	92	1	besides	besides	SCONJ
cet-4339	92	2	,	,	PUNCT
cet-4339	92	3	after	after	SCONJ
cet-4339	92	4	reflected	reflect	VERB
cet-4339	92	5	twice	twice	ADV
cet-4339	92	6	,	,	PUNCT
cet-4339	92	7	the	the	DET
cet-4339	92	8	controlling	control	VERB
cet-4339	92	9	error	error	NOUN
cet-4339	92	10	of	of	ADP
cet-4339	92	11	reflector	reflector	NOUN
cet-4339	92	12	angle	angle	NOUN
cet-4339	92	13	will	will	AUX
cet-4339	92	14	be	be	AUX
cet-4339	92	15	amplified	amplify	VERB
cet-4339	92	16	four	four	NUM
cet-4339	92	17	times	time	NOUN
cet-4339	92	18	to	to	ADP
cet-4339	92	19	the	the	DET
cet-4339	92	20	light	light	ADJ
cet-4339	92	21	path	path	NOUN
cet-4339	92	22	,	,	PUNCT
cet-4339	92	23	making	make	VERB
cet-4339	92	24	it	it	PRON
cet-4339	92	25	more	more	ADJ
cet-4339	92	26	and	and	CCONJ
cet-4339	92	27	more	more	ADV
cet-4339	92	28	difficult	difficult	ADJ
cet-4339	92	29	to	to	PART
cet-4339	92	30	control	control	VERB
cet-4339	92	31	the	the	DET
cet-4339	92	32	direction	direction	NOUN
cet-4339	92	33	of	of	ADP
cet-4339	92	34	optical	optical	ADJ
cet-4339	92	35	axis	axis	NOUN
cet-4339	92	36	.	.	PUNCT
cet-4339	93	1	the	the	DET
cet-4339	93	2	servo	servo	NOUN
cet-4339	93	3	turntable	turntable	NOUN
cet-4339	93	4	sout	sout	PROPN
cet-4339	93	5	developed	develop	VERB
cet-4339	93	6	by	by	ADP
cet-4339	93	7	esa	esa	PROPN
cet-4339	93	8	in	in	ADP
cet-4339	93	9	the	the	DET
cet-4339	93	10	early	early	ADJ
cet-4339	93	11	stage	stage	NOUN
cet-4339	93	12	adopted	adopt	VERB
cet-4339	93	13	this	this	DET
cet-4339	93	14	structure	structure	NOUN
cet-4339	93	15	.	.	PUNCT
cet-4339	94	1	this	this	DET
cet-4339	94	2	structure	structure	NOUN
cet-4339	94	3	resembles	resemble	VERB
cet-4339	94	4	the	the	DET
cet-4339	94	5	periscope	periscope	NOUN
cet-4339	94	6	used	use	VERB
cet-4339	94	7	in	in	ADP
cet-4339	94	8	diving	diving	NOUN
cet-4339	94	9	because	because	SCONJ
cet-4339	94	10	its	its	PRON
cet-4339	94	11	small	small	ADJ
cet-4339	94	12	volume	volume	NOUN
cet-4339	94	13	and	and	CCONJ
cet-4339	94	14	caliber	caliber	NOUN
cet-4339	94	15	.	.	PUNCT
cet-4339	95	1	however	however	ADV
cet-4339	95	2	,	,	PUNCT
cet-4339	95	3	the	the	DET
cet-4339	95	4	precision	precision	NOUN
cet-4339	95	5	is	be	AUX
cet-4339	95	6	not	not	PART
cet-4339	95	7	high	high	ADJ
cet-4339	95	8	and	and	CCONJ
cet-4339	95	9	field	field	NOUN
cet-4339	95	10	of	of	ADP
cet-4339	95	11	view	view	NOUN
cet-4339	95	12	is	be	AUX
cet-4339	95	13	small	small	ADJ
cet-4339	95	14	so	so	SCONJ
cet-4339	95	15	it	it	PRON
cet-4339	95	16	will	will	AUX
cet-4339	95	17	be	be	AUX
cet-4339	95	18	very	very	ADV
cet-4339	95	19	difficult	difficult	ADJ
cet-4339	95	20	to	to	PART
cet-4339	95	21	establish	establish	VERB
cet-4339	95	22	the	the	DET
cet-4339	95	23	link	link	NOUN
cet-4339	95	24	when	when	SCONJ
cet-4339	95	25	used	use	VERB
cet-4339	95	26	in	in	ADP
cet-4339	95	27	receiving	receive	VERB
cet-4339	95	28	beacon	beacon	NOUN
cet-4339	95	29	beam	beam	NOUN
cet-4339	95	30	.	.	PUNCT
cet-4339	96	1	the	the	DET
cet-4339	96	2	structure	structure	NOUN
cet-4339	96	3	of	of	ADP
cet-4339	96	4	the	the	DET
cet-4339	96	5	system	system	NOUN
cet-4339	96	6	is	be	AUX
cet-4339	96	7	shown	show	VERB
cet-4339	96	8	in	in	ADP
cet-4339	96	9	figure	figure	NOUN
cet-4339	96	10	3	3	NUM
cet-4339	96	11	.	.	PUNCT
cet-4339	96	12	figure	figure	VERB
cet-4339	96	13	3	3	NUM
cet-4339	96	14	:	:	PUNCT
cet-4339	96	15	scot	scot	NOUN
cet-4339	96	16	turntable	turntable	NOUN
cet-4339	96	17	with	with	ADP
cet-4339	96	18	periscope	periscope	NOUN
cet-4339	96	19	-	-	PUNCT
cet-4339	96	20	type	type	NOUN
cet-4339	96	21	developed	develop	VERB
cet-4339	96	22	by	by	ADP
cet-4339	96	23	esa	esa	PROPN
cet-4339	96	24	3	3	NUM
cet-4339	96	25	)	)	PUNCT
cet-4339	96	26	plane	plane	NOUN
cet-4339	96	27	reflector	reflector	NOUN
cet-4339	96	28	servo	servo	NOUN
cet-4339	96	29	structure	structure	NOUN
cet-4339	96	30	.	.	PUNCT
cet-4339	97	1	the	the	DET
cet-4339	97	2	main	main	ADJ
cet-4339	97	3	optical	optical	ADJ
cet-4339	97	4	device	device	NOUN
cet-4339	97	5	of	of	ADP
cet-4339	97	6	this	this	DET
cet-4339	97	7	structure	structure	NOUN
cet-4339	97	8	is	be	AUX
cet-4339	97	9	the	the	DET
cet-4339	97	10	reflector	reflector	NOUN
cet-4339	97	11	.	.	PUNCT
cet-4339	98	1	the	the	DET
cet-4339	98	2	reflector	reflector	NOUN
cet-4339	98	3	receives	receive	VERB
cet-4339	98	4	the	the	DET
cet-4339	98	5	communication	communication	NOUN
cet-4339	98	6	beam	beam	NOUN
cet-4339	98	7	sent	send	VERB
cet-4339	98	8	from	from	ADP
cet-4339	98	9	outside	outside	ADV
cet-4339	98	10	and	and	CCONJ
cet-4339	98	11	reflects	reflect	VERB
cet-4339	98	12	the	the	DET
cet-4339	98	13	beam	beam	NOUN
cet-4339	98	14	to	to	ADP
cet-4339	98	15	the	the	DET
cet-4339	98	16	optical	optical	ADJ
cet-4339	98	17	system	system	NOUN
cet-4339	98	18	by	by	ADP
cet-4339	98	19	specular	specular	ADJ
cet-4339	98	20	reflection	reflection	NOUN
cet-4339	98	21	.	.	PUNCT
cet-4339	99	1	different	different	ADJ
cet-4339	99	2	from	from	ADP
cet-4339	99	3	the	the	DET
cet-4339	99	4	communication	communication	NOUN
cet-4339	99	5	system	system	NOUN
cet-4339	99	6	of	of	ADP
cet-4339	99	7	previous	previous	ADJ
cet-4339	99	8	servo	servo	NOUN
cet-4339	99	9	turntables	turntable	NOUN
cet-4339	99	10	,	,	PUNCT
cet-4339	99	11	the	the	DET
cet-4339	99	12	optical	optical	ADJ
cet-4339	99	13	system	system	NOUN
cet-4339	99	14	is	be	AUX
cet-4339	99	15	not	not	PART
cet-4339	99	16	on	on	ADP
cet-4339	99	17	the	the	DET
cet-4339	99	18	turntables	turntable	NOUN
cet-4339	99	19	.	.	PUNCT
cet-4339	100	1	only	only	ADV
cet-4339	100	2	reflectors	reflector	NOUN
cet-4339	100	3	are	be	AUX
cet-4339	100	4	on	on	ADP
cet-4339	100	5	the	the	DET
cet-4339	100	6	turntables	turntable	NOUN
cet-4339	100	7	.	.	PUNCT
cet-4339	101	1	this	this	DET
cet-4339	101	2	structure	structure	NOUN
cet-4339	101	3	reduces	reduce	VERB
cet-4339	101	4	the	the	DET
cet-4339	101	5	weight	weight	NOUN
cet-4339	101	6	of	of	ADP
cet-4339	101	7	optical	optical	ADJ
cet-4339	101	8	transmitter	transmitter	NOUN
cet-4339	101	9	and	and	CCONJ
cet-4339	101	10	receiver	receiver	NOUN
cet-4339	101	11	and	and	CCONJ
cet-4339	101	12	the	the	DET
cet-4339	101	13	structure	structure	NOUN
cet-4339	101	14	is	be	AUX
cet-4339	101	15	simple	simple	ADJ
cet-4339	101	16	,	,	PUNCT
cet-4339	101	17	so	so	SCONJ
cet-4339	101	18	it	it	PRON
cet-4339	101	19	is	be	AUX
cet-4339	101	20	appropriate	appropriate	ADJ
cet-4339	101	21	for	for	ADP
cet-4339	101	22	inter	inter	ADJ
cet-4339	101	23	-	-	ADJ
cet-4339	101	24	satellite	satellite	ADJ
cet-4339	101	25	laser	laser	NOUN
cet-4339	101	26	communication	communication	NOUN
cet-4339	101	27	.	.	PUNCT
cet-4339	102	1	however	however	ADV
cet-4339	102	2	,	,	PUNCT
cet-4339	102	3	the	the	DET
cet-4339	102	4	problems	problem	NOUN
cet-4339	102	5	are	be	AUX
cet-4339	102	6	very	very	ADV
cet-4339	102	7	evident	evident	ADJ
cet-4339	102	8	.	.	PUNCT
cet-4339	103	1	this	this	DET
cet-4339	103	2	system	system	NOUN
cet-4339	103	3	makes	make	VERB
cet-4339	103	4	use	use	NOUN
cet-4339	103	5	of	of	ADP
cet-4339	103	6	the	the	DET
cet-4339	103	7	light	light	ADJ
cet-4339	103	8	reflex	reflex	NOUN
cet-4339	103	9	and	and	CCONJ
cet-4339	103	10	many	many	ADJ
cet-4339	103	11	problems	problem	NOUN
cet-4339	103	12	brought	bring	VERB
cet-4339	103	13	by	by	ADP
cet-4339	103	14	the	the	DET
cet-4339	103	15	light	light	ADJ
cet-4339	103	16	reflex	reflex	NOUN
cet-4339	103	17	have	have	AUX
cet-4339	103	18	appeared	appear	VERB
cet-4339	103	19	when	when	SCONJ
cet-4339	103	20	we	we	PRON
cet-4339	103	21	are	be	AUX
cet-4339	103	22	doing	do	VERB
cet-4339	103	23	the	the	DET
cet-4339	103	24	laser	laser	NOUN
cet-4339	103	25	communication	communication	NOUN
cet-4339	103	26	.	.	PUNCT
cet-4339	104	1	limited	limit	VERB
cet-4339	104	2	by	by	ADP
cet-4339	104	3	the	the	DET
cet-4339	104	4	plane	plane	NOUN
cet-4339	104	5	reflector	reflector	NOUN
cet-4339	104	6	,	,	PUNCT
cet-4339	104	7	clear	clear	ADJ
cet-4339	104	8	aperture	aperture	NOUN
cet-4339	104	9	has	have	AUX
cet-4339	104	10	increased	increase	VERB
cet-4339	104	11	.	.	PUNCT
cet-4339	105	1	besides	besides	ADV
cet-4339	105	2	,	,	PUNCT
cet-4339	105	3	limited	limit	VERB
cet-4339	105	4	by	by	ADP
cet-4339	105	5	its	its	PRON
cet-4339	105	6	structure	structure	NOUN
cet-4339	105	7	,	,	PUNCT
cet-4339	105	8	this	this	DET
cet-4339	105	9	system	system	NOUN
cet-4339	105	10	is	be	AUX
cet-4339	105	11	not	not	PART
cet-4339	105	12	that	that	ADV
cet-4339	105	13	flexible	flexible	ADJ
cet-4339	105	14	in	in	ADP
cet-4339	105	15	tracking	track	VERB
cet-4339	105	16	the	the	DET
cet-4339	105	17	target	target	NOUN
cet-4339	105	18	and	and	CCONJ
cet-4339	105	19	the	the	DET
cet-4339	105	20	tracking	tracking	NOUN
cet-4339	105	21	scope	scope	NOUN
cet-4339	105	22	is	be	AUX
cet-4339	105	23	very	very	ADV
cet-4339	105	24	narrow	narrow	ADJ
cet-4339	105	25	.	.	PUNCT
cet-4339	106	1	the	the	DET
cet-4339	106	2	lcds	lcds	NOUN
cet-4339	106	3	developed	develop	VERB
cet-4339	106	4	by	by	ADP
cet-4339	106	5	nasa	nasa	PROPN
cet-4339	106	6	adopted	adopt	VERB
cet-4339	106	7	this	this	DET
cet-4339	106	8	structure	structure	NOUN
cet-4339	106	9	.	.	PUNCT
cet-4339	107	1	the	the	DET
cet-4339	107	2	specific	specific	ADJ
cet-4339	107	3	structure	structure	NOUN
cet-4339	107	4	is	be	AUX
cet-4339	107	5	shown	show	VERB
cet-4339	107	6	in	in	ADP
cet-4339	107	7	figure	figure	NOUN
cet-4339	107	8	4	4	NUM
cet-4339	107	9	.	.	PUNCT
cet-4339	107	10	figure	figure	VERB
cet-4339	107	11	4	4	NUM
cet-4339	107	12	:	:	PUNCT
cet-4339	107	13	structure	structure	NOUN
cet-4339	107	14	of	of	ADP
cet-4339	107	15	lcds	lcds	ADJ
cet-4339	107	16	laser	laser	NOUN
cet-4339	107	17	communication	communication	NOUN
cet-4339	107	18	turntable	turntable	NOUN
cet-4339	107	19	developed	develop	VERB
cet-4339	107	20	by	by	ADP
cet-4339	107	21	nasa	nasa	PROPN
cet-4339	107	22	4.2	4.2	NUM
cet-4339	107	23	precise	precise	ADJ
cet-4339	107	24	tracking	tracking	NOUN
cet-4339	107	25	and	and	CCONJ
cet-4339	107	26	pointing	pointing	NOUN
cet-4339	107	27	mechanism	mechanism	NOUN
cet-4339	107	28	to	to	PART
cet-4339	107	29	achieve	achieve	VERB
cet-4339	107	30	stable	stable	ADJ
cet-4339	107	31	and	and	CCONJ
cet-4339	107	32	effective	effective	ADJ
cet-4339	107	33	wireless	wireless	ADJ
cet-4339	107	34	laser	laser	NOUN
cet-4339	107	35	communication	communication	NOUN
cet-4339	107	36	,	,	PUNCT
cet-4339	107	37	the	the	DET
cet-4339	107	38	laser	laser	NOUN
cet-4339	107	39	signal	signal	NOUN
cet-4339	107	40	sent	sent	AUX
cet-4339	107	41	not	not	PART
cet-4339	107	42	only	only	ADV
cet-4339	107	43	need	need	VERB
cet-4339	107	44	to	to	PART
cet-4339	107	45	overcome	overcome	VERB
cet-4339	107	46	the	the	DET
cet-4339	107	47	attenuation	attenuation	NOUN
cet-4339	107	48	on	on	ADP
cet-4339	107	49	its	its	PRON
cet-4339	107	50	transmission	transmission	NOUN
cet-4339	107	51	path	path	NOUN
cet-4339	107	52	,	,	PUNCT
cet-4339	107	53	but	but	CCONJ
cet-4339	107	54	need	need	VERB
cet-4339	107	55	to	to	PART
cet-4339	107	56	be	be	AUX
cet-4339	107	57	accurately	accurately	ADV
cet-4339	107	58	pointed	point	VERB
cet-4339	107	59	to	to	ADP
cet-4339	107	60	the	the	DET
cet-4339	107	61	detector	detector	NOUN
cet-4339	107	62	of	of	ADP
cet-4339	107	63	the	the	DET
cet-4339	107	64	receiver	receiver	NOUN
cet-4339	107	65	;	;	PUNCT
cet-4339	107	66	at	at	ADP
cet-4339	107	67	the	the	DET
cet-4339	107	68	same	same	ADJ
cet-4339	107	69	time	time	NOUN
cet-4339	107	70	,	,	PUNCT
cet-4339	107	71	the	the	DET
cet-4339	107	72	detector	detector	NOUN
cet-4339	107	73	of	of	ADP
cet-4339	107	74	the	the	DET
cet-4339	107	75	receiver	receiver	NOUN
cet-4339	107	76	must	must	AUX
cet-4339	107	77	determine	determine	VERB
cet-4339	107	78	the	the	DET
cet-4339	107	79	arriving	arrive	VERB
cet-4339	107	80	direction	direction	NOUN
cet-4339	107	81	of	of	ADP
cet-4339	107	82	the	the	DET
cet-4339	107	83	launching	launch	VERB
cet-4339	107	84	site	site	NOUN
cet-4339	107	85	in	in	ADP
cet-4339	107	86	order	order	NOUN
cet-4339	107	87	to	to	PART
cet-4339	107	88	modulate	modulate	VERB
cet-4339	107	89	direction	direction	NOUN
cet-4339	107	90	automatically	automatically	ADV
cet-4339	107	91	.	.	PUNCT
cet-4339	108	1	in	in	ADP
cet-4339	108	2	space	space	NOUN
cet-4339	108	3	laser	laser	NOUN
cet-4339	108	4	communication	communication	NOUN
cet-4339	108	5	,	,	PUNCT
cet-4339	108	6	the	the	DET
cet-4339	108	7	diameter	diameter	NOUN
cet-4339	108	8	of	of	ADP
cet-4339	108	9	the	the	DET
cet-4339	108	10	facula	facula	NOUN
cet-4339	108	11	formed	form	VERB
cet-4339	108	12	from	from	ADP
cet-4339	108	13	a	a	DET
cet-4339	108	14	great	great	ADJ
cet-4339	108	15	distance	distance	NOUN
cet-4339	108	16	is	be	AUX
cet-4339	108	17	small	small	ADJ
cet-4339	108	18	because	because	SCONJ
cet-4339	108	19	of	of	ADP
cet-4339	108	20	the	the	DET
cet-4339	108	21	small	small	ADJ
cet-4339	108	22	divergence	divergence	NOUN
cet-4339	108	23	angle	angle	NOUN
cet-4339	108	24	of	of	ADP
cet-4339	108	25	the	the	DET
cet-4339	108	26	laser	laser	NOUN
cet-4339	108	27	beam	beam	NOUN
cet-4339	108	28	.	.	PUNCT
cet-4339	109	1	(	(	PUNCT
cet-4339	109	2	if	if	SCONJ
cet-4339	109	3	the	the	DET
cet-4339	109	4	divergence	divergence	NOUN
cet-4339	109	5	angle	angle	NOUN
cet-4339	109	6	of	of	ADP
cet-4339	109	7	the	the	DET
cet-4339	109	8	laser	laser	NOUN
cet-4339	109	9	beam	beam	NOUN
cet-4339	109	10	is	be	AUX
cet-4339	109	11	10μrad	10μrad	NUM
cet-4339	109	12	,	,	PUNCT
cet-4339	109	13	the	the	DET
cet-4339	109	14	diameter	diameter	NOUN
cet-4339	109	15	of	of	ADP
cet-4339	109	16	the	the	DET
cet-4339	109	17	facula	facula	NOUN
cet-4339	109	18	formed	form	VERB
cet-4339	109	19	by	by	ADP
cet-4339	109	20	geosynchronous	geosynchronous	ADJ
cet-4339	109	21	satellite	satellite	NOUN
cet-4339	109	22	on	on	ADP
cet-4339	109	23	earth	earth	NOUN
cet-4339	109	24	is	be	AUX
cet-4339	109	25	only	only	ADV
cet-4339	109	26	360	360	NUM
cet-4339	109	27	m	m	NOUN
cet-4339	109	28	)	)	PUNCT
cet-4339	109	29	.	.	PUNCT
cet-4339	110	1	we	we	PRON
cet-4339	110	2	need	need	VERB
cet-4339	110	3	to	to	PART
cet-4339	110	4	be	be	AUX
cet-4339	110	5	very	very	ADV
cet-4339	110	6	precise	precise	ADJ
cet-4339	110	7	and	and	CCONJ
cet-4339	110	8	the	the	DET
cet-4339	110	9	field	field	NOUN
cet-4339	110	10	power	power	NOUN
cet-4339	110	11	of	of	ADP
cet-4339	110	12	the	the	DET
cet-4339	110	13	transmitter	transmitter	NOUN
cet-4339	110	14	must	must	AUX
cet-4339	110	15	reach	reach	VERB
cet-4339	110	16	the	the	DET
cet-4339	110	17	photodetector	photodetector	NOUN
cet-4339	110	18	of	of	ADP
cet-4339	110	19	the	the	DET
cet-4339	110	20	receiver	receiver	NOUN
cet-4339	110	21	.	.	PUNCT
cet-4339	111	1	therefore	therefore	ADV
cet-4339	111	2	,	,	PUNCT
cet-4339	111	3	we	we	PRON
cet-4339	111	4	need	need	VERB
cet-4339	111	5	to	to	PART
cet-4339	111	6	introduce	introduce	VERB
cet-4339	111	7	the	the	DET
cet-4339	111	8	precise	precise	ADJ
cet-4339	111	9	mechanism	mechanism	NOUN
cet-4339	111	10	-	-	PUNCT
cet-4339	111	11	fast	fast	ADV
cet-4339	111	12	-	-	PUNCT
cet-4339	111	13	steering	steering	NOUN
cet-4339	111	14	reflector	reflector	NOUN
cet-4339	111	15	in	in	ADP
cet-4339	111	16	space	space	NOUN
cet-4339	111	17	laser	laser	NOUN
cet-4339	111	18	communication	communication	NOUN
cet-4339	111	19	.	.	PUNCT
cet-4339	112	1	1019	1019	NUM
cet-4339	112	2	the	the	DET
cet-4339	112	3	most	most	ADV
cet-4339	112	4	outstanding	outstanding	ADJ
cet-4339	112	5	features	feature	NOUN
cet-4339	112	6	of	of	ADP
cet-4339	112	7	the	the	DET
cet-4339	112	8	precise	precise	ADJ
cet-4339	112	9	mechanism	mechanism	NOUN
cet-4339	112	10	-	-	PUNCT
cet-4339	112	11	fast	fast	ADV
cet-4339	112	12	-	-	PUNCT
cet-4339	112	13	steering	steering	NOUN
cet-4339	112	14	reflector	reflector	NOUN
cet-4339	112	15	are	be	AUX
cet-4339	112	16	relatively	relatively	ADV
cet-4339	112	17	small	small	ADJ
cet-4339	112	18	dynamic	dynamic	ADJ
cet-4339	112	19	range	range	NOUN
cet-4339	112	20	,	,	PUNCT
cet-4339	112	21	relatively	relatively	ADV
cet-4339	112	22	high	high	ADJ
cet-4339	112	23	servo	servo	NOUN
cet-4339	112	24	bandwidth	bandwidth	NOUN
cet-4339	112	25	and	and	CCONJ
cet-4339	112	26	high	high	ADJ
cet-4339	112	27	tracking	tracking	NOUN
cet-4339	112	28	precision	precision	NOUN
cet-4339	112	29	.	.	PUNCT
cet-4339	113	1	it	it	PRON
cet-4339	113	2	can	can	AUX
cet-4339	113	3	further	far	ADV
cet-4339	113	4	effectively	effectively	ADV
cet-4339	113	5	restrains	restrain	VERB
cet-4339	113	6	the	the	DET
cet-4339	113	7	residual	residual	ADJ
cet-4339	113	8	error	error	NOUN
cet-4339	113	9	of	of	ADP
cet-4339	113	10	rough	rough	ADJ
cet-4339	113	11	tracking	tracking	NOUN
cet-4339	113	12	.	.	PUNCT
cet-4339	114	1	besides	besides	SCONJ
cet-4339	114	2	,	,	PUNCT
cet-4339	114	3	it	it	PRON
cet-4339	114	4	has	have	VERB
cet-4339	114	5	strong	strong	ADJ
cet-4339	114	6	restraining	restraining	NOUN
cet-4339	114	7	capability	capability	NOUN
cet-4339	114	8	for	for	ADP
cet-4339	114	9	wide	wide	ADJ
cet-4339	114	10	spectrum	spectrum	NOUN
cet-4339	114	11	vibration	vibration	NOUN
cet-4339	114	12	so	so	SCONJ
cet-4339	114	13	as	as	SCONJ
cet-4339	114	14	to	to	PART
cet-4339	114	15	ensure	ensure	VERB
cet-4339	114	16	the	the	DET
cet-4339	114	17	speed	speed	NOUN
cet-4339	114	18	and	and	CCONJ
cet-4339	114	19	precision	precision	NOUN
cet-4339	114	20	of	of	ADP
cet-4339	114	21	pointing	pointing	NOUN
cet-4339	114	22	and	and	CCONJ
cet-4339	114	23	tracking	tracking	NOUN
cet-4339	114	24	.	.	PUNCT
cet-4339	115	1	the	the	DET
cet-4339	115	2	final	final	ADJ
cet-4339	115	3	tracking	tracking	NOUN
cet-4339	115	4	precision	precision	NOUN
cet-4339	115	5	of	of	ADP
cet-4339	115	6	composite	composite	ADJ
cet-4339	115	7	axis	axis	NOUN
cet-4339	115	8	pat	pat	NOUN
cet-4339	115	9	subsystem	subsystem	NOUN
cet-4339	115	10	is	be	AUX
cet-4339	115	11	determined	determine	VERB
cet-4339	115	12	by	by	ADP
cet-4339	115	13	the	the	DET
cet-4339	115	14	tracking	tracking	NOUN
cet-4339	115	15	precision	precision	NOUN
cet-4339	115	16	of	of	ADP
cet-4339	115	17	servo	servo	NOUN
cet-4339	115	18	unit	unit	NOUN
cet-4339	115	19	in	in	ADP
cet-4339	115	20	the	the	DET
cet-4339	115	21	precise	precise	ADJ
cet-4339	115	22	tracking	tracking	NOUN
cet-4339	115	23	,	,	PUNCT
cet-4339	115	24	so	so	CCONJ
cet-4339	115	25	precise	precise	ADJ
cet-4339	115	26	tracking	tracking	NOUN
cet-4339	115	27	unit	unit	NOUN
cet-4339	115	28	is	be	AUX
cet-4339	115	29	the	the	DET
cet-4339	115	30	core	core	NOUN
cet-4339	115	31	component	component	NOUN
cet-4339	115	32	in	in	ADP
cet-4339	115	33	the	the	DET
cet-4339	115	34	whole	whole	ADJ
cet-4339	115	35	composite	composite	ADJ
cet-4339	115	36	axis	axis	NOUN
cet-4339	115	37	pat	pat	NOUN
cet-4339	115	38	system	system	NOUN
cet-4339	115	39	.	.	PUNCT
cet-4339	116	1	the	the	DET
cet-4339	116	2	execution	execution	NOUN
cet-4339	116	3	mechanism	mechanism	NOUN
cet-4339	116	4	and	and	CCONJ
cet-4339	116	5	execution	execution	NOUN
cet-4339	116	6	precision	precision	NOUN
cet-4339	116	7	of	of	ADP
cet-4339	116	8	fast	fast	ADJ
cet-4339	116	9	-	-	PUNCT
cet-4339	116	10	steering	steering	NOUN
cet-4339	116	11	reflectors	reflector	NOUN
cet-4339	116	12	and	and	CCONJ
cet-4339	116	13	its	its	PRON
cet-4339	116	14	own	own	ADJ
cet-4339	116	15	characteristics	characteristic	NOUN
cet-4339	116	16	will	will	AUX
cet-4339	116	17	undoubtedly	undoubtedly	ADV
cet-4339	116	18	pose	pose	VERB
cet-4339	116	19	great	great	ADJ
cet-4339	116	20	influence	influence	NOUN
cet-4339	116	21	on	on	ADP
cet-4339	116	22	precise	precise	ADJ
cet-4339	116	23	tracking	tracking	NOUN
cet-4339	116	24	or	or	CCONJ
cet-4339	116	25	even	even	ADV
cet-4339	116	26	the	the	DET
cet-4339	116	27	precision	precision	NOUN
cet-4339	116	28	of	of	ADP
cet-4339	116	29	the	the	DET
cet-4339	116	30	whole	whole	ADJ
cet-4339	116	31	system	system	NOUN
cet-4339	116	32	.	.	PUNCT
cet-4339	117	1	the	the	DET
cet-4339	117	2	execution	execution	NOUN
cet-4339	117	3	mechanism	mechanism	NOUN
cet-4339	117	4	of	of	ADP
cet-4339	117	5	fast	fast	ADJ
cet-4339	117	6	-	-	PUNCT
cet-4339	117	7	steering	steering	NOUN
cet-4339	117	8	reflectors	reflector	NOUN
cet-4339	117	9	generally	generally	ADV
cet-4339	117	10	adopts	adopt	VERB
cet-4339	117	11	piezoelectric	piezoelectric	ADJ
cet-4339	117	12	ceramic	ceramic	ADJ
cet-4339	117	13	actuators	actuator	NOUN
cet-4339	117	14	or	or	CCONJ
cet-4339	117	15	voice	voice	NOUN
cet-4339	117	16	coil	coil	NOUN
cet-4339	117	17	motor	motor	NOUN
cet-4339	117	18	actuators	actuator	NOUN
cet-4339	117	19	.	.	PUNCT
cet-4339	118	1	the	the	DET
cet-4339	118	2	piezoelectric	piezoelectric	ADJ
cet-4339	118	3	ceramic	ceramic	ADJ
cet-4339	118	4	actuators	actuator	NOUN
cet-4339	118	5	have	have	VERB
cet-4339	118	6	incomparable	incomparable	ADJ
cet-4339	118	7	advantages	advantage	NOUN
cet-4339	118	8	in	in	ADP
cet-4339	118	9	ultraprecision	ultraprecision	NOUN
cet-4339	118	10	positioning	positioning	NOUN
cet-4339	118	11	and	and	CCONJ
cet-4339	118	12	micro	micro	ADJ
cet-4339	118	13	displacement	displacement	NOUN
cet-4339	118	14	control	control	NOUN
cet-4339	118	15	than	than	ADP
cet-4339	118	16	other	other	ADJ
cet-4339	118	17	actuators	actuator	NOUN
cet-4339	118	18	,	,	PUNCT
cet-4339	118	19	like	like	ADP
cet-4339	118	20	small	small	ADJ
cet-4339	118	21	volume	volume	NOUN
cet-4339	118	22	(	(	PUNCT
cet-4339	118	23	only	only	ADV
cet-4339	118	24	several	several	ADJ
cet-4339	118	25	cubic	cubic	ADJ
cet-4339	118	26	millimeters	millimeter	NOUN
cet-4339	118	27	to	to	ADP
cet-4339	118	28	dozens	dozen	NOUN
cet-4339	118	29	of	of	ADP
cet-4339	118	30	cubic	cubic	ADJ
cet-4339	118	31	millimeters	millimeter	NOUN
cet-4339	118	32	)	)	PUNCT
cet-4339	118	33	,	,	PUNCT
cet-4339	118	34	high	high	ADJ
cet-4339	118	35	displacement	displacement	ADJ
cet-4339	118	36	resolution	resolution	NOUN
cet-4339	118	37	ratio	ratio	NOUN
cet-4339	118	38	,	,	PUNCT
cet-4339	118	39	quick	quick	ADJ
cet-4339	118	40	response	response	NOUN
cet-4339	118	41	time	time	NOUN
cet-4339	118	42	(	(	PUNCT
cet-4339	118	43	dozens	dozen	NOUN
cet-4339	118	44	of	of	ADP
cet-4339	118	45	microseconds	microsecond	NOUN
cet-4339	118	46	)	)	PUNCT
cet-4339	118	47	,	,	PUNCT
cet-4339	118	48	high	high	ADJ
cet-4339	118	49	output	output	NOUN
cet-4339	118	50	,	,	PUNCT
cet-4339	118	51	high	high	ADJ
cet-4339	118	52	energy	energy	NOUN
cet-4339	118	53	conversion	conversion	NOUN
cet-4339	118	54	efficiency	efficiency	NOUN
cet-4339	118	55	,	,	PUNCT
cet-4339	118	56	athermic	athermic	ADJ
cet-4339	118	57	,	,	PUNCT
cet-4339	118	58	good	good	ADJ
cet-4339	118	59	displacement	displacement	ADJ
cet-4339	118	60	repeatability	repeatability	NOUN
cet-4339	118	61	.	.	PUNCT
cet-4339	119	1	the	the	DET
cet-4339	119	2	piezoelectric	piezoelectric	ADJ
cet-4339	119	3	ceramic	ceramic	ADJ
cet-4339	119	4	actuators	actuator	NOUN
cet-4339	119	5	are	be	AUX
cet-4339	119	6	ideal	ideal	ADJ
cet-4339	119	7	actuators	actuator	NOUN
cet-4339	119	8	;	;	PUNCT
cet-4339	119	9	besides	besides	ADV
cet-4339	119	10	,	,	PUNCT
cet-4339	119	11	the	the	DET
cet-4339	119	12	response	response	NOUN
cet-4339	119	13	frequency	frequency	NOUN
cet-4339	119	14	of	of	ADP
cet-4339	119	15	voice	voice	NOUN
cet-4339	119	16	coil	coil	NOUN
cet-4339	119	17	motor	motor	NOUN
cet-4339	119	18	is	be	AUX
cet-4339	119	19	very	very	ADV
cet-4339	119	20	high	high	ADJ
cet-4339	119	21	.	.	PUNCT
cet-4339	120	1	then	then	ADV
cet-4339	120	2	after	after	ADP
cet-4339	120	3	the	the	DET
cet-4339	120	4	optimizing	optimizing	NOUN
cet-4339	120	5	by	by	ADP
cet-4339	120	6	system	system	NOUN
cet-4339	120	7	mechanical	mechanical	ADJ
cet-4339	120	8	structure	structure	NOUN
cet-4339	120	9	and	and	CCONJ
cet-4339	120	10	the	the	DET
cet-4339	120	11	compensation	compensation	NOUN
cet-4339	120	12	by	by	ADP
cet-4339	120	13	servo	servo	NOUN
cet-4339	120	14	control	control	NOUN
cet-4339	120	15	system	system	NOUN
cet-4339	120	16	,	,	PUNCT
cet-4339	120	17	the	the	DET
cet-4339	120	18	response	response	NOUN
cet-4339	120	19	speed	speed	NOUN
cet-4339	120	20	of	of	ADP
cet-4339	120	21	system	system	NOUN
cet-4339	120	22	can	can	AUX
cet-4339	120	23	reach	reach	VERB
cet-4339	120	24	hundreds	hundred	NOUN
cet-4339	120	25	of	of	ADP
cet-4339	120	26	hertz	hertz	NOUN
cet-4339	120	27	.	.	PUNCT
cet-4339	121	1	therefore	therefore	ADV
cet-4339	121	2	,	,	PUNCT
cet-4339	121	3	voice	voice	NOUN
cet-4339	121	4	coil	coil	NOUN
cet-4339	121	5	motor	motor	NOUN
cet-4339	121	6	has	have	AUX
cet-4339	121	7	gradually	gradually	ADV
cet-4339	121	8	become	become	VERB
cet-4339	121	9	one	one	NUM
cet-4339	121	10	of	of	ADP
cet-4339	121	11	the	the	DET
cet-4339	121	12	recommended	recommend	VERB
cet-4339	121	13	actuators	actuator	NOUN
cet-4339	121	14	in	in	ADP
cet-4339	121	15	rapid	rapid	ADJ
cet-4339	121	16	reaction	reaction	NOUN
cet-4339	121	17	system	system	NOUN
cet-4339	121	18	.	.	PUNCT
cet-4339	122	1	5	5	X
cet-4339	122	2	.	.	X
cet-4339	122	3	conclusions	conclusion	NOUN
cet-4339	122	4	at	at	ADP
cet-4339	122	5	present	present	ADJ
cet-4339	122	6	,	,	PUNCT
cet-4339	122	7	the	the	DET
cet-4339	122	8	research	research	NOUN
cet-4339	122	9	and	and	CCONJ
cet-4339	122	10	development	development	NOUN
cet-4339	122	11	of	of	ADP
cet-4339	122	12	space	space	NOUN
cet-4339	122	13	laser	laser	NOUN
cet-4339	122	14	communication	communication	NOUN
cet-4339	122	15	technique	technique	NOUN
cet-4339	122	16	is	be	AUX
cet-4339	122	17	developing	develop	VERB
cet-4339	122	18	rapidly	rapidly	ADV
cet-4339	122	19	.	.	PUNCT
cet-4339	123	1	many	many	ADJ
cet-4339	123	2	communication	communication	NOUN
cet-4339	123	3	experiments	experiment	NOUN
cet-4339	123	4	in	in	ADP
cet-4339	123	5	international	international	ADJ
cet-4339	123	6	society	society	NOUN
cet-4339	123	7	have	have	AUX
cet-4339	123	8	proven	prove	VERB
cet-4339	123	9	the	the	DET
cet-4339	123	10	feasibility	feasibility	NOUN
cet-4339	123	11	of	of	ADP
cet-4339	123	12	space	space	NOUN
cet-4339	123	13	laser	laser	NOUN
cet-4339	123	14	communication	communication	NOUN
cet-4339	123	15	and	and	CCONJ
cet-4339	123	16	we	we	PRON
cet-4339	123	17	can	can	AUX
cet-4339	123	18	employ	employ	VERB
cet-4339	123	19	low	low	ADJ
cet-4339	123	20	-	-	PUNCT
cet-4339	123	21	weight	weight	NOUN
cet-4339	123	22	and	and	CCONJ
cet-4339	123	23	low	low	ADJ
cet-4339	123	24	power	power	NOUN
cet-4339	123	25	dissipation	dissipation	NOUN
cet-4339	123	26	terminals	terminal	NOUN
cet-4339	123	27	to	to	PART
cet-4339	123	28	provide	provide	VERB
cet-4339	123	29	higher	high	ADJ
cet-4339	123	30	data	data	NOUN
cet-4339	123	31	transmission	transmission	NOUN
cet-4339	123	32	rate	rate	NOUN
cet-4339	123	33	and	and	CCONJ
cet-4339	123	34	at	at	ADP
cet-4339	123	35	the	the	DET
cet-4339	123	36	meantime	meantime	NOUN
cet-4339	123	37	,	,	PUNCT
cet-4339	123	38	the	the	DET
cet-4339	123	39	communication	communication	NOUN
cet-4339	123	40	has	have	VERB
cet-4339	123	41	high	high	ADJ
cet-4339	123	42	security	security	NOUN
cet-4339	123	43	and	and	CCONJ
cet-4339	123	44	privacy	privacy	NOUN
cet-4339	123	45	and	and	CCONJ
cet-4339	123	46	strong	strong	ADJ
cet-4339	123	47	antijamming	antijamming	NOUN
cet-4339	123	48	capability	capability	NOUN
cet-4339	123	49	.	.	PUNCT
cet-4339	124	1	the	the	DET
cet-4339	124	2	development	development	NOUN
cet-4339	124	3	of	of	ADP
cet-4339	124	4	tracking	tracking	NOUN
cet-4339	124	5	and	and	CCONJ
cet-4339	124	6	pointing	pointing	NOUN
cet-4339	124	7	technique	technique	NOUN
cet-4339	124	8	is	be	AUX
cet-4339	124	9	an	an	DET
cet-4339	124	10	effective	effective	ADJ
cet-4339	124	11	technological	technological	ADJ
cet-4339	124	12	way	way	NOUN
cet-4339	124	13	to	to	PART
cet-4339	124	14	improve	improve	VERB
cet-4339	124	15	the	the	DET
cet-4339	124	16	tracking	tracking	NOUN
cet-4339	124	17	precision	precision	NOUN
cet-4339	124	18	for	for	ADP
cet-4339	124	19	the	the	DET
cet-4339	124	20	space	space	NOUN
cet-4339	124	21	laser	laser	NOUN
cet-4339	124	22	communication	communication	NOUN
cet-4339	124	23	system	system	NOUN
cet-4339	124	24	,	,	PUNCT
cet-4339	124	25	enabling	enable	VERB
cet-4339	124	26	the	the	DET
cet-4339	124	27	narrow	narrow	ADJ
cet-4339	124	28	laser	laser	NOUN
cet-4339	124	29	beam	beam	NOUN
cet-4339	124	30	to	to	PART
cet-4339	124	31	track	track	VERB
cet-4339	124	32	with	with	ADP
cet-4339	124	33	high	high	ADJ
cet-4339	124	34	precision	precision	NOUN
cet-4339	124	35	between	between	ADP
cet-4339	124	36	two	two	NUM
cet-4339	124	37	terminals	terminal	NOUN
cet-4339	124	38	.	.	PUNCT
cet-4339	125	1	with	with	ADP
cet-4339	125	2	the	the	DET
cet-4339	125	3	further	further	ADJ
cet-4339	125	4	development	development	NOUN
cet-4339	125	5	of	of	ADP
cet-4339	125	6	space	space	NOUN
cet-4339	125	7	laser	laser	NOUN
cet-4339	125	8	communication	communication	NOUN
cet-4339	125	9	tracking	tracking	NOUN
cet-4339	125	10	and	and	CCONJ
cet-4339	125	11	pointing	pointing	NOUN
cet-4339	125	12	technique	technique	NOUN
cet-4339	125	13	,	,	PUNCT
cet-4339	125	14	space	space	NOUN
cet-4339	125	15	laser	laser	NOUN
cet-4339	125	16	communication	communication	NOUN
cet-4339	125	17	will	will	AUX
cet-4339	125	18	possess	possess	VERB
cet-4339	125	19	great	great	ADJ
cet-4339	125	20	development	development	NOUN
cet-4339	125	21	potential	potential	NOUN
cet-4339	125	22	and	and	CCONJ
cet-4339	125	23	prospect	prospect	NOUN
cet-4339	125	24	for	for	ADP
cet-4339	125	25	a	a	DET
cet-4339	125	26	broader	broad	ADJ
cet-4339	125	27	and	and	CCONJ
cet-4339	125	28	broader	broad	ADJ
cet-4339	125	29	application	application	NOUN
cet-4339	125	30	.	.	PUNCT
cet-4339	126	1	references	reference	NOUN
cet-4339	126	2	marshalek	marshalek	VERB
cet-4339	126	3	.	.	PUNCT
cet-4339	127	1	robert	robert	PROPN
cet-4339	127	2	g	g	PROPN
cet-4339	127	3	,	,	PUNCT
cet-4339	127	4	mecherle	mecherle	PROPN
cet-4339	127	5	.	.	PUNCT
cet-4339	128	1	g.	g.	PROPN
cet-4339	128	2	stephen	stephen	PROPN
cet-4339	128	3	,	,	PUNCT
cet-4339	128	4	jordan	jordan	PROPN
cet-4339	128	5	.	.	PUNCT
cet-4339	129	1	paul	paul	PROPN
cet-4339	129	2	,	,	PUNCT
cet-4339	129	3	1996	1996	NUM
cet-4339	129	4	,	,	PUNCT
cet-4339	129	5	system	system	NOUN
cet-4339	129	6	-	-	PUNCT
cet-4339	129	7	level	level	NOUN
cet-4339	129	8	comparison	comparison	NOUN
cet-4339	129	9	of	of	ADP
cet-4339	129	10	optical	optical	ADJ
cet-4339	129	11	and	and	CCONJ
cet-4339	129	12	rf	rf	NOUN
cet-4339	129	13	technologies	technology	NOUN
cet-4339	129	14	for	for	ADP
cet-4339	129	15	space	space	NOUN
cet-4339	129	16	-	-	PUNCT
cet-4339	129	17	to	to	ADP
cet-4339	129	18	-	-	PUNCT
cet-4339	129	19	space	space	NOUN
cet-4339	129	20	and	and	CCONJ
cet-4339	129	21	space	space	NOUN
cet-4339	129	22	-	-	PUNCT
cet-4339	129	23	to	to	ADP
cet-4339	129	24	-	-	PUNCT
cet-4339	129	25	ground	ground	NOUN
cet-4339	129	26	communication	communication	NOUN
cet-4339	129	27	links	link	NOUN
cet-4339	129	28	circa	circa	VERB
cet-4339	129	29	2000	2000	NUM
cet-4339	129	30	,	,	PUNCT
cet-4339	129	31	proceedings	proceeding	NOUN
cet-4339	129	32	of	of	ADP
cet-4339	129	33	spie	spie	NOUN
cet-4339	129	34	,	,	PUNCT
cet-4339	129	35	2699	2699	NUM
cet-4339	129	36	:	:	PUNCT
cet-4339	129	37	134	134	NUM
cet-4339	129	38	-	-	SYM
cet-4339	129	39	145	145	NUM
cet-4339	129	40	huilin	huilin	PROPN
cet-4339	129	41	jiang	jiang	PROPN
cet-4339	129	42	,	,	PUNCT
cet-4339	129	43	yan	yan	PROPN
cet-4339	130	1	an	an	X
cet-4339	130	2	,	,	PUNCT
cet-4339	130	3	yalin	yalin	PROPN
cet-4339	130	4	zhang	zhang	PROPN
cet-4339	130	5	,	,	PUNCT
cet-4339	130	6	lun	lun	PROPN
cet-4339	130	7	jiang	jiang	PROPN
cet-4339	130	8	,	,	PUNCT
cet-4339	130	9	yiwu	yiwu	PROPN
cet-4339	130	10	zhao	zhao	PROPN
cet-4339	130	11	,	,	PUNCT
cet-4339	130	12	keyan	keyan	PROPN
cet-4339	130	13	dong	dong	PROPN
cet-4339	130	14	,	,	PUNCT
cet-4339	130	15	peng	peng	PROPN
cet-4339	130	16	zhang	zhang	PROPN
cet-4339	130	17	,	,	PUNCT
cet-4339	130	18	chao	chao	PROPN
cet-4339	130	19	wang	wang	PROPN
cet-4339	130	20	,	,	PUNCT
cet-4339	130	21	juntong	juntong	PROPN
cet-4339	130	22	zhan	zhan	PROPN
cet-4339	130	23	,	,	PUNCT
cet-4339	130	24	2015	2015	NUM
cet-4339	130	25	,	,	PUNCT
cet-4339	130	26	analysis	analysis	NOUN
cet-4339	130	27	of	of	ADP
cet-4339	130	28	the	the	DET
cet-4339	130	29	status	status	NOUN
cet-4339	130	30	quo	quo	NOUN
cet-4339	130	31	,	,	PUNCT
cet-4339	130	32	development	development	NOUN
cet-4339	130	33	trend	trend	NOUN
cet-4339	130	34	and	and	CCONJ
cet-4339	130	35	key	key	ADJ
cet-4339	130	36	technologies	technology	NOUN
cet-4339	130	37	of	of	ADP
cet-4339	130	38	space	space	NOUN
cet-4339	130	39	laser	laser	NOUN
cet-4339	130	40	communication	communication	NOUN
cet-4339	130	41	,	,	PUNCT
cet-4339	130	42	journal	journal	NOUN
cet-4339	130	43	of	of	ADP
cet-4339	130	44	measurement	measurement	NOUN
cet-4339	130	45	and	and	CCONJ
cet-4339	130	46	control	control	NOUN
cet-4339	130	47	of	of	ADP
cet-4339	130	48	aircraft	aircraft	NOUN
cet-4339	130	49	,	,	PUNCT
cet-4339	130	50	34(3):207	34(3):207	PROPN
cet-4339	130	51	-	-	SYM
cet-4339	130	52	217	217	NUM
cet-4339	130	53	tovoshima	tovoshima	NOUN
cet-4339	130	54	.	.	PUNCT
cet-4339	131	1	morio	morio	PROPN
cet-4339	131	2	,	,	PUNCT
cet-4339	131	3	leeb	leeb	PROPN
cet-4339	131	4	.	.	PUNCT
cet-4339	132	1	walter	walter	PROPN
cet-4339	132	2	r	r	PROPN
cet-4339	132	3	,	,	PUNCT
cet-4339	132	4	kunimon	kunimon	PROPN
cet-4339	132	5	.	.	PUNCT
cet-4339	132	6	hiroo	hiroo	PROPN
cet-4339	132	7	,	,	PUNCT
cet-4339	132	8	takano	takano	PROPN
cet-4339	132	9	.	.	PUNCT
cet-4339	133	1	tadashi	tadashi	PROPN
cet-4339	133	2	,	,	PUNCT
cet-4339	133	3	2005	2005	NUM
cet-4339	133	4	,	,	PUNCT
cet-4339	133	5	comparison	comparison	NOUN
cet-4339	133	6	of	of	ADP
cet-4339	133	7	microwave	microwave	NOUN
cet-4339	133	8	and	and	CCONJ
cet-4339	133	9	light	light	ADJ
cet-4339	133	10	wave	wave	NOUN
cet-4339	133	11	communication	communication	NOUN
cet-4339	133	12	systems	system	NOUN
cet-4339	133	13	in	in	ADP
cet-4339	133	14	space	space	NOUN
cet-4339	133	15	application	application	NOUN
cet-4339	133	16	,	,	PUNCT
cet-4339	133	17	proceeding	proceeding	NOUN
cet-4339	133	18	of	of	ADP
cet-4339	133	19	spie	spie	NOUN
cet-4339	133	20	,	,	PUNCT
cet-4339	133	21	5296	5296	NUM
cet-4339	133	22	:	:	PUNCT
cet-4339	133	23	105	105	NUM
cet-4339	133	24	-	-	SYM
cet-4339	133	25	116	116	NUM
cet-4339	133	26	bin	bin	PROPN
cet-4339	133	27	ren	ren	PROPN
cet-4339	133	28	,	,	PUNCT
cet-4339	133	29	shoufeng	shoufeng	PROPN
cet-4339	133	30	tong	tong	PROPN
cet-4339	133	31	,	,	PUNCT
cet-4339	133	32	yansong	yansong	PROPN
cet-4339	133	33	song	song	NOUN
cet-4339	133	34	,	,	PUNCT
cet-4339	133	35	ansong	ansong	NOUN
cet-4339	133	36	chen	chen	PROPN
cet-4339	133	37	,	,	PUNCT
cet-4339	133	38	2011	2011	NUM
cet-4339	133	39	,	,	PUNCT
cet-4339	133	40	research	research	NOUN
cet-4339	133	41	on	on	ADP
cet-4339	133	42	the	the	DET
cet-4339	133	43	driving	driving	NOUN
cet-4339	133	44	technique	technique	NOUN
cet-4339	133	45	of	of	ADP
cet-4339	133	46	high	high	ADJ
cet-4339	133	47	precision	precision	NOUN
cet-4339	133	48	and	and	CCONJ
cet-4339	133	49	speedy	speedy	ADJ
cet-4339	133	50	piezo	piezo	PROPN
cet-4339	133	51	-	-	ADJ
cet-4339	133	52	electric	electric	ADJ
cet-4339	133	53	ceramic	ceramic	ADJ
cet-4339	133	54	transducer	transducer	NOUN
cet-4339	133	55	in	in	ADP
cet-4339	133	56	fine	fine	ADJ
cet-4339	133	57	tracking	tracking	NOUN
cet-4339	133	58	system	system	NOUN
cet-4339	133	59	of	of	ADP
cet-4339	133	60	air	air	NOUN
cet-4339	133	61	laser	laser	NOUN
cet-4339	133	62	communication	communication	NOUN
cet-4339	133	63	,	,	PUNCT
cet-4339	133	64	chinese	chinese	ADJ
cet-4339	133	65	journal	journal	NOUN
cet-4339	133	66	of	of	ADP
cet-4339	133	67	scientific	scientific	ADJ
cet-4339	133	68	instrument	instrument	NOUN
cet-4339	133	69	,	,	PUNCT
cet-4339	133	70	32(2):420	32(2):420	NUM
cet-4339	133	71	-	-	SYM
cet-4339	133	72	425	425	NUM
cet-4339	133	73	boroson	boroson	NOUN
cet-4339	133	74	.	.	PUNCT
cet-4339	134	1	don	don	PROPN
cet-4339	134	2	m	m	PROPN
cet-4339	134	3	,	,	PUNCT
cet-4339	134	4	bondurant	bondurant	PROPN
cet-4339	134	5	.	.	PUNCT
cet-4339	135	1	roy	roy	PROPN
cet-4339	135	2	s	s	PROPN
cet-4339	135	3	,	,	PUNCT
cet-4339	135	4	scozzafava	scozzafava	NOUN
cet-4339	135	5	.	.	PUNCT
cet-4339	136	1	joseph	joseph	PROPN
cet-4339	136	2	j	j	PROPN
cet-4339	136	3	,	,	PUNCT
cet-4339	136	4	2004	2004	NUM
cet-4339	136	5	,	,	PUNCT
cet-4339	136	6	overview	overview	NOUN
cet-4339	136	7	of	of	ADP
cet-4339	136	8	high	high	ADJ
cet-4339	136	9	rate	rate	NOUN
cet-4339	136	10	deep	deep	ADJ
cet-4339	136	11	space	space	NOUN
cet-4339	136	12	laser	laser	NOUN
cet-4339	136	13	communication	communication	NOUN
cet-4339	136	14	options	option	NOUN
cet-4339	136	15	,	,	PUNCT
cet-4339	136	16	proceeding	proceeding	NOUN
cet-4339	136	17	of	of	ADP
cet-4339	136	18	spie	spie	NOUN
cet-4339	136	19	,	,	PUNCT
cet-4339	136	20	2004	2004	NUM
cet-4339	136	21	,	,	PUNCT
cet-4339	136	22	5338	5338	NUM
cet-4339	136	23	:	:	PUNCT
cet-4339	136	24	37	37	NUM
cet-4339	136	25	-	-	SYM
cet-4339	136	26	49	49	NUM
cet-4339	136	27	lixin	lixin	PROPN
cet-4339	136	28	meng	meng	PROPN
cet-4339	136	29	,	,	PUNCT
cet-4339	136	30	2014	2014	NUM
cet-4339	136	31	,	,	PUNCT
cet-4339	136	32	research	research	NOUN
cet-4339	136	33	on	on	ADP
cet-4339	136	34	acquisition	acquisition	NOUN
cet-4339	136	35	and	and	CCONJ
cet-4339	136	36	tracking	tracking	NOUN
cet-4339	136	37	technology	technology	NOUN
cet-4339	136	38	of	of	ADP
cet-4339	136	39	airborne	airborne	ADJ
cet-4339	136	40	laser	laser	NOUN
cet-4339	136	41	communication	communication	NOUN
cet-4339	136	42	,	,	PUNCT
cet-4339	136	43	doctoral	doctoral	ADJ
cet-4339	136	44	dissertation	dissertation	NOUN
cet-4339	136	45	,	,	PUNCT
cet-4339	136	46	jilin	jilin	PROPN
cet-4339	136	47	university	university	PROPN
cet-4339	136	48	huilin	huilin	PROPN
cet-4339	136	49	jiang	jiang	PROPN
cet-4339	136	50	,	,	PUNCT
cet-4339	136	51	shoufeng	shoufeng	PROPN
cet-4339	136	52	tong	tong	PROPN
cet-4339	136	53	,	,	PUNCT
cet-4339	136	54	2010	2010	NUM
cet-4339	136	55	,	,	PUNCT
cet-4339	136	56	technology	technology	NOUN
cet-4339	136	57	and	and	CCONJ
cet-4339	136	58	system	system	NOUN
cet-4339	136	59	of	of	ADP
cet-4339	136	60	space	space	NOUN
cet-4339	136	61	laser	laser	NOUN
cet-4339	136	62	communication	communication	NOUN
cet-4339	136	63	,	,	PUNCT
cet-4339	136	64	national	national	ADJ
cet-4339	136	65	defence	defence	NOUN
cet-4339	136	66	industry	industry	NOUN
cet-4339	136	67	press	press	NOUN
cet-4339	136	68	,	,	PUNCT
cet-4339	136	69	bei	bei	PROPN
cet-4339	136	70	jing	jing	PROPN
cet-4339	136	71	,	,	PUNCT
cet-4339	136	72	china	china	PROPN
cet-4339	136	73	o.	o.	PROPN
cet-4339	136	74	nilsson	nilsson	PROPN
cet-4339	136	75	,	,	PUNCT
cet-4339	136	76	2001	2001	NUM
cet-4339	136	77	,	,	PUNCT
cet-4339	136	78	fundamental	fundamental	ADJ
cet-4339	136	79	limits	limit	NOUN
cet-4339	136	80	and	and	CCONJ
cet-4339	136	81	possibilities	possibility	NOUN
cet-4339	136	82	for	for	ADP
cet-4339	136	83	future	future	ADJ
cet-4339	136	84	telecommunications	telecommunication	NOUN
cet-4339	136	85	,	,	PUNCT
cet-4339	136	86	ieee	ieee	NOUN
cet-4339	136	87	communications	communication	NOUN
cet-4339	136	88	magazine	magazine	NOUN
cet-4339	136	89	,	,	PUNCT
cet-4339	136	90	39(5):164	39(5):164	NOUN
cet-4339	136	91	-	-	SYM
cet-4339	136	92	167	167	NUM
cet-4339	136	93	qiang	qiang	PROPN
cet-4339	136	94	fu	fu	PROPN
cet-4339	136	95	,	,	PUNCT
cet-4339	136	96	huilin	huilin	PROPN
cet-4339	136	97	jiang	jiang	PROPN
cet-4339	136	98	,	,	PUNCT
cet-4339	136	99	xiaoman	xiaoman	PROPN
cet-4339	136	100	wang	wang	PROPN
cet-4339	136	101	,	,	PUNCT
cet-4339	136	102	zhi	zhi	PROPN
cet-4339	136	103	liu	liu	PROPN
cet-4339	136	104	,	,	PUNCT
cet-4339	136	105	shoufeng	shoufeng	PROPN
cet-4339	136	106	tong	tong	PROPN
cet-4339	136	107	,	,	PUNCT
cet-4339	136	108	lizhong	lizhong	PROPN
cet-4339	136	109	zhang	zhang	PROPN
cet-4339	136	110	,	,	PUNCT
cet-4339	136	111	2012	2012	NUM
cet-4339	136	112	,	,	PUNCT
cet-4339	136	113	research	research	NOUN
cet-4339	136	114	status	status	NOUN
cet-4339	136	115	and	and	CCONJ
cet-4339	136	116	development	development	NOUN
cet-4339	136	117	trend	trend	NOUN
cet-4339	136	118	of	of	ADP
cet-4339	136	119	space	space	NOUN
cet-4339	136	120	laser	laser	NOUN
cet-4339	136	121	communication	communication	NOUN
cet-4339	136	122	,	,	PUNCT
cet-4339	136	123	chinese	chinese	ADJ
cet-4339	136	124	optics	optic	NOUN
cet-4339	136	125	,	,	PUNCT
cet-4339	136	126	5(2):116	5(2):116	NUM
cet-4339	136	127	-	-	SYM
cet-4339	136	128	125	125	NUM
cet-4339	136	129	xinhang	xinhang	PROPN
cet-4339	136	130	xu	xu	PROPN
cet-4339	136	131	,	,	PUNCT
cet-4339	136	132	bing	bing	VERB
cet-4339	136	133	wang	wang	PROPN
cet-4339	136	134	,	,	PUNCT
cet-4339	136	135	xinyu	xinyu	PROPN
cet-4339	136	136	zhuang	zhuang	PROPN
cet-4339	136	137	,	,	PUNCT
cet-4339	136	138	ning	ning	PROPN
cet-4339	136	139	chen	chen	PROPN
cet-4339	136	140	,	,	PUNCT
cet-4339	136	141	ying	ying	PROPN
cet-4339	136	142	li	li	PROPN
cet-4339	136	143	,	,	PUNCT
cet-4339	136	144	2011	2011	NUM
cet-4339	136	145	,	,	PUNCT
cet-4339	136	146	research	research	NOUN
cet-4339	136	147	on	on	ADP
cet-4339	136	148	mechanical	mechanical	ADJ
cet-4339	136	149	structure	structure	NOUN
cet-4339	136	150	of	of	ADP
cet-4339	136	151	faststeering	faststeere	VERB
cet-4339	136	152	mirror	mirror	NOUN
cet-4339	136	153	driven	drive	VERB
cet-4339	136	154	by	by	ADP
cet-4339	136	155	voice	voice	NOUN
cet-4339	136	156	coil	coil	NOUN
cet-4339	136	157	actuators	actuator	NOUN
cet-4339	136	158	,	,	PUNCT
cet-4339	136	159	journal	journal	NOUN
cet-4339	136	160	of	of	ADP
cet-4339	136	161	changchun	changchun	PROPN
cet-4339	136	162	university	university	PROPN
cet-4339	136	163	of	of	ADP
cet-4339	136	164	science	science	NOUN
cet-4339	136	165	and	and	CCONJ
cet-4339	136	166	technology	technology	NOUN
cet-4339	136	167	,	,	PUNCT
cet-4339	136	168	34(1):49	34(1):49	NUM
cet-4339	136	169	-	-	SYM
cet-4339	136	170	52	52	NUM
cet-4339	136	171	1020	1020	NUM