id	sid	eid	entity	type
ajst-20791	1	1	academic journal of science and technology issn	ORG
ajst-20791	1	2	2771-3032	CARDINAL
ajst-20791	2	1	10	CARDINAL
ajst-20791	2	2	3	CARDINAL
ajst-20791	2	3	2024 91	DATE
ajst-20791	2	4	shuaikang geng	GPE
ajst-20791	2	5	jinhua lu	PERSON
ajst-20791	2	6	henan polytechnic university school of geomatics	ORG
ajst-20791	2	7	jiaozuo 454000	ORG
ajst-20791	2	8	china	GPE
ajst-20791	2	9	nasa	ORG
ajst-20791	2	10	september 18, 2018	DATE
ajst-20791	3	1	ordos city	GPE
ajst-20791	5	1	icesat-2 satellite	ORG
ajst-20791	5	2	henan polytechnic university's	ORG
ajst-20791	5	3	jiaozuo city	GPE
ajst-20791	5	4	henan	GPE
ajst-20791	5	5	no.1	ORG
ajst-20791	5	6	approximately 16.3 meters	QUANTITY
ajst-20791	5	7	between november 14, 2019	DATE
ajst-20791	5	8	november 10, 2021	DATE
ajst-20791	6	1	no.2	ORG
ajst-20791	6	2	no.3	CARDINAL
ajst-20791	6	3	3.1 meters	QUANTITY
ajst-20791	6	4	13.6 meters	QUANTITY
ajst-20791	6	5	between may 16, 2019	DATE
ajst-20791	6	6	august 13, 2020	DATE
ajst-20791	7	1	no.4	LOC
ajst-20791	7	2	about 10.5 meters	QUANTITY
ajst-20791	7	3	between november 14, 2019	DATE
ajst-20791	7	4	november 10, 2021.furthermore	DATE
ajst-20791	7	5	icesat2	LOC
ajst-20791	8	1	icesat-2	ORG
ajst-20791	9	1	1	CARDINAL
ajst-20791	9	2	earth	LOC
ajst-20791	9	3	1-2	CARDINAL
ajst-20791	10	1	3	CARDINAL
ajst-20791	11	1	4	CARDINAL
ajst-20791	12	1	earth	LOC
ajst-20791	12	2	5-6].with	CARDINAL
ajst-20791	12	3	7	CARDINAL
ajst-20791	13	1	centimeter	CARDINAL
ajst-20791	14	1	8-9	CARDINAL
ajst-20791	16	1	2003	DATE
ajst-20791	16	2	nasa	ORG
ajst-20791	17	1	greenland	GPE
ajst-20791	17	2	dem	NORP
ajst-20791	17	3	10-11	CARDINAL
ajst-20791	18	1	gedi	ORG
ajst-20791	18	2	12	CARDINAL
ajst-20791	19	1	wang	ORG
ajst-20791	19	2	nie	GPE
ajst-20791	19	3	12-15	CARDINAL
ajst-20791	20	1	chen guodong	PERSON
ajst-20791	20	2	june 2003 to	DATE
ajst-20791	20	3	october 2009	DATE
ajst-20791	20	4	2000 meters	QUANTITY
ajst-20791	20	5	greenland	GPE
ajst-20791	20	6	16	CARDINAL
ajst-20791	21	1	gedi	ORG
ajst-20791	22	1	gedi	ORG
ajst-20791	22	2	gedi data's	ORG
ajst-20791	22	3	17	CARDINAL
ajst-20791	23	1	liu lijuan	PERSON
ajst-20791	23	2	six	CARDINAL
ajst-20791	23	3	gedi	GPE
ajst-20791	23	4	18	CARDINAL
ajst-20791	24	1	gedi	PERSON
ajst-20791	25	1	70 cm	QUANTITY
ajst-20791	27	1	huang jiapeng	PERSON
ajst-20791	27	2	icesat-2/atlas	ORG
ajst-20791	27	3	19-20	CARDINAL
ajst-20791	28	1	zhu jun	PERSON
ajst-20791	28	2	21	CARDINAL
ajst-20791	29	1	92	CARDINAL
ajst-20791	29	2	malan mountain	LOC
ajst-20791	29	3	2000	DATE
ajst-20791	29	4	2020	DATE
ajst-20791	30	1	41	CARDINAL
ajst-20791	30	2	summer	DATE
ajst-20791	30	3	22	CARDINAL
ajst-20791	31	1	earth	LOC
ajst-20791	33	1	2	CARDINAL
ajst-20791	33	2	2.1	CARDINAL
ajst-20791	34	1	ordos city	GPE
ajst-20791	34	2	inner mongolia autonomous	LOC
ajst-20791	35	1	110°	CARDINAL
ajst-20791	35	2	39	CARDINAL
ajst-20791	35	3	110°10′18″e	CARDINAL
ajst-20791	35	4	39	CARDINAL
ajst-20791	35	5	21′02″n	DATE
ajst-20791	35	6	bao-fu	PERSON
ajst-20791	36	1	winters	DATE
ajst-20791	36	2	1180	CARDINAL
ajst-20791	36	3	1210 meters	QUANTITY
ajst-20791	39	1	194.7	CARDINAL
ajst-20791	39	2	531.6 mm	QUANTITY
ajst-20791	39	3	between 2297.4	CARDINAL
ajst-20791	39	4	5 to 11	CARDINAL
ajst-20791	40	1	1	CARDINAL
ajst-20791	40	2	2.2	CARDINAL
ajst-20791	41	1	icesat-2 data acquisition	ORG
ajst-20791	41	2	about 500 km	QUANTITY
ajst-20791	41	3	104	CARDINAL
ajst-20791	41	4	earth	LOC
ajst-20791	42	1	3 billion	CARDINAL
ajst-20791	42	2	fewer than 60	CARDINAL
ajst-20791	42	3	2(a	CARDINAL
ajst-20791	43	1	six	CARDINAL
ajst-20791	43	2	approximately 17 meters	QUANTITY
ajst-20791	43	3	earth	LOC
ajst-20791	44	1	three	CARDINAL
ajst-20791	44	2	six	CARDINAL
ajst-20791	44	3	2l(r	ORG
ajst-20791	44	4	3l(r	PERSON
ajst-20791	45	1	about 2.5 km	QUANTITY
ajst-20791	45	2	about 90 meters	QUANTITY
ajst-20791	46	1	one	CARDINAL
ajst-20791	46	2	one	CARDINAL
ajst-20791	46	3	4:1	CARDINAL
ajst-20791	47	1	0.7 meters	QUANTITY
ajst-20791	48	1	three	CARDINAL
ajst-20791	50	1	atlas	PERSON
ajst-20791	51	1	atlas	PERSON
ajst-20791	52	1	icesat-2	ORG
ajst-20791	53	1	93	CARDINAL
ajst-20791	53	2	2	CARDINAL
ajst-20791	54	1	icesat-2 data acquisition	ORG
ajst-20791	54	2	2.3	CARDINAL
ajst-20791	55	1	icesat-2 data the national snow	ORG
ajst-20791	55	2	the united states	GPE
ajst-20791	55	3	23	CARDINAL
ajst-20791	55	4	hdf	PRODUCT
ajst-20791	55	5	four	CARDINAL
ajst-20791	55	6	1	CARDINAL
ajst-20791	55	7	2	DATE
ajst-20791	55	8	3a	CARDINAL
ajst-20791	55	9	3b	CARDINAL
ajst-20791	58	1	3	CARDINAL
ajst-20791	62	1	3	CARDINAL
ajst-20791	63	1	icesat-2 data	ORG
ajst-20791	63	2	2.4	CARDINAL
ajst-20791	66	1	henan	GPE
ajst-20791	66	2	94	CARDINAL
ajst-20791	66	3	polytechnic university	ORG
ajst-20791	67	1	1(c)(d	CARDINAL
ajst-20791	67	2	henan polytechnic university	ORG
ajst-20791	68	1	uav	ORG
ajst-20791	68	2	shenzhen	GPE
ajst-20791	68	3	robotics technology co., ltd.	ORG
ajst-20791	68	4	2020	DATE
ajst-20791	71	1	6000 meters	QUANTITY
ajst-20791	73	1	1 meter	QUANTITY
ajst-20791	74	1	0.2 meters	QUANTITY
ajst-20791	76	1	dlidar2000	PERSON
ajst-20791	76	2	5 cm	QUANTITY
ajst-20791	76	3	50 meters	QUANTITY
ajst-20791	77	1	uav	ORG
ajst-20791	77	2	icesat2/atlas	ORG
ajst-20791	78	1	3	CARDINAL
ajst-20791	78	2	atlas	PERSON
ajst-20791	79	1	1	CARDINAL
ajst-20791	81	1	less than 5%	PERCENT
ajst-20791	82	1	2	CARDINAL
ajst-20791	82	2	kml	ORG
ajst-20791	82	3	4	CARDINAL
ajst-20791	82	4	4	CARDINAL
ajst-20791	82	5	3	CARDINAL
ajst-20791	82	6	wgs84	DATE
ajst-20791	83	1	1	CARDINAL
ajst-20791	84	1	4	CARDINAL
ajst-20791	85	1	two	CARDINAL
ajst-20791	85	2	one	CARDINAL
ajst-20791	86	1	20 meters	QUANTITY
ajst-20791	87	1	approximately 100-meter	QUANTITY
ajst-20791	88	1	second	ORDINAL
ajst-20791	88	2	95	CARDINAL
ajst-20791	92	1	5	CARDINAL
ajst-20791	92	2	nasa	ORG
ajst-20791	92	3	class_pc_flag	ORG
ajst-20791	94	1	1	CARDINAL
ajst-20791	96	1	geoid geoid	PERSON
ajst-20791	96	2	wgs-84	ORG
ajst-20791	97	1	ellipsoid	ORG
ajst-20791	97	2	/segment_id	ORG
ajst-20791	97	3	1	CARDINAL
ajst-20791	97	4	first	ORDINAL
ajst-20791	97	5	geolocation/ ph_index_beg classed_pc_flag	PERSON
ajst-20791	99	1	1	CARDINAL
ajst-20791	99	2	2	CARDINAL
ajst-20791	99	3	3	CARDINAL
ajst-20791	99	4	classed_pc_indx	ORG
ajst-20791	99	5	1	CARDINAL
ajst-20791	99	6	ph_segment_id	NORP
ajst-20791	99	7	ph_segment_id	NORP
ajst-20791	99	8	20	CARDINAL
ajst-20791	100	1	1	CARDINAL
ajst-20791	100	2	november 14, 2019	DATE
ajst-20791	100	3	may 18, 2021	DATE
ajst-20791	101	1	april 2018	DATE
ajst-20791	102	1	june 2021	DATE
ajst-20791	103	1	5(b	CARDINAL
ajst-20791	103	2	may 18, 2021	DATE
ajst-20791	103	3	1	CARDINAL
ajst-20791	103	4	two	CARDINAL
ajst-20791	103	5	4	CARDINAL
ajst-20791	104	1	november 10, 2021	DATE
ajst-20791	104	2	gt2l	LOC
ajst-20791	104	3	november 10, 2021	DATE
ajst-20791	105	1	6(a	CARDINAL
ajst-20791	105	2	1	CARDINAL
ajst-20791	105	3	two	CARDINAL
ajst-20791	105	4	1128.4	CARDINAL
ajst-20791	105	5	1112.1	CARDINAL
ajst-20791	105	6	approximately 16.3	CARDINAL
ajst-20791	105	7	m.	PERSON
ajst-20791	105	8	may 2019	DATE
ajst-20791	105	9	june 2021	DATE
ajst-20791	106	1	5(c)(d)(e	CARDINAL
ajst-20791	106	2	three	CARDINAL
ajst-20791	106	3	july 7, 2019	DATE
ajst-20791	106	4	august 11, 2020	DATE
ajst-20791	106	5	may 18, 2021	DATE
ajst-20791	107	1	4	CARDINAL
ajst-20791	107	2	2	CARDINAL
ajst-20791	107	3	two	CARDINAL
ajst-20791	107	4	approximately 0.14	CARDINAL
ajst-20791	107	5	august 11, 2020	DATE
ajst-20791	108	1	august 13, 2020	DATE
ajst-20791	108	2	gt2l	LOC
ajst-20791	108	3	may 16, 2019	DATE
ajst-20791	109	1	6(b	CARDINAL
ajst-20791	109	2	2	CARDINAL
ajst-20791	109	3	two	CARDINAL
ajst-20791	109	4	1082.2	CARDINAL
ajst-20791	109	5	1085.3	CARDINAL
ajst-20791	109	6	approximately 3.1m.for	CARDINAL
ajst-20791	109	7	3	CARDINAL
ajst-20791	109	8	august 13, 2020	DATE
ajst-20791	109	9	gt3	ORG
ajst-20791	109	10	gt3r	PRODUCT
ajst-20791	109	11	may 16, 2019	DATE
ajst-20791	110	1	6(c	CARDINAL
ajst-20791	110	2	two	CARDINAL
ajst-20791	110	3	1072.3	CARDINAL
ajst-20791	110	4	1085.9	CARDINAL
ajst-20791	110	5	approximately 13.6	CARDINAL
ajst-20791	110	6	3	CARDINAL
ajst-20791	110	7	may 16, 2019	DATE
ajst-20791	110	8	august 13	DATE
ajst-20791	110	9	2020.in	CARDINAL
ajst-20791	110	10	4	CARDINAL
ajst-20791	110	11	november 14, 2019	DATE
ajst-20791	110	12	gt3r	ORG
ajst-20791	110	13	november 10	DATE
ajst-20791	110	14	2021	CARDINAL
ajst-20791	110	15	gt3r	ORG
ajst-20791	110	16	1.88	CARDINAL
ajst-20791	110	17	m.	PERSON
ajst-20791	110	18	june 2021	DATE
ajst-20791	111	1	1.88	CARDINAL
ajst-20791	111	2	gt3r	PRODUCT
ajst-20791	111	3	november 10, 2021	DATE
ajst-20791	111	4	gt3r	PRODUCT
ajst-20791	111	5	november 14, 2019	DATE
ajst-20791	112	1	6(d	CARDINAL
ajst-20791	112	2	two	CARDINAL
ajst-20791	112	3	1081.8	CARDINAL
ajst-20791	112	4	1091.6	CARDINAL
ajst-20791	112	5	approximately 10.5	CARDINAL
ajst-20791	112	6	4	CARDINAL
ajst-20791	112	7	november 14, 2019,	DATE
ajst-20791	112	8	november 10	DATE
ajst-20791	112	9	2021.through	CARDINAL
ajst-20791	113	1	96	CARDINAL
ajst-20791	113	2	5	CARDINAL
ajst-20791	113	3	6	CARDINAL
ajst-20791	114	1	5	CARDINAL
ajst-20791	114	2	henan polytechnic university	ORG
ajst-20791	114	3	jiaozuo city	GPE
ajst-20791	114	4	henan province	GPE
ajst-20791	114	5	china	GPE
ajst-20791	115	1	december 1, 2019	DATE
ajst-20791	117	1	first	ORDINAL
ajst-20791	120	1	7	CARDINAL
ajst-20791	122	1	7	CARDINAL
ajst-20791	122	2	97	CARDINAL
ajst-20791	122	3	8	CARDINAL
ajst-20791	123	1	atlas	ORG
ajst-20791	123	2	third	ORDINAL
ajst-20791	123	3	the henan polytechnic university area.	ORG
ajst-20791	124	1	uav	ORG
ajst-20791	125	1	8	CARDINAL
ajst-20791	126	1	two	CARDINAL
ajst-20791	126	2	mae	PERSON
ajst-20791	127	1	9	CARDINAL
ajst-20791	128	1	mae=0.105m.	PERSON
ajst-20791	128	2	two	CARDINAL
ajst-20791	129	1	9	CARDINAL
ajst-20791	129	2	icesat-2 data	ORG
ajst-20791	134	1	6	CARDINAL
ajst-20791	134	2	ordos city	GPE
ajst-20791	135	1	1	CARDINAL
ajst-20791	135	2	approximately 16.3 meters	QUANTITY
ajst-20791	135	3	november 14, 2019	DATE
ajst-20791	135	4	november 10, 2021	DATE
ajst-20791	136	1	2	CARDINAL
ajst-20791	136	2	3	CARDINAL
ajst-20791	136	3	approximately 3.1 meters	QUANTITY
ajst-20791	136	4	13.6 meters	QUANTITY
ajst-20791	136	5	may 16, 2019	DATE
ajst-20791	136	6	august 13, 2020	DATE
ajst-20791	137	1	4	CARDINAL
ajst-20791	137	2	approximately 10.5 meters	QUANTITY
ajst-20791	137	3	november 14, 2019	DATE
ajst-20791	137	4	november 10, 2021	DATE
ajst-20791	138	1	uav	ORG
ajst-20791	139	1	rmse=0.324 meters	PERSON
ajst-20791	141	1	atlas inversion	WORK_OF_ART
ajst-20791	142	1	nasa	ORG
ajst-20791	143	1	23	CARDINAL
ajst-20791	143	2	5 meters	QUANTITY
ajst-20791	143	3	10 centimeters	QUANTITY
ajst-20791	145	1	1	CARDINAL
ajst-20791	145	2	huang hai-lan	PERSON
ajst-20791	145	3	wang zhengtao	PERSON
ajst-20791	145	4	jin tao-yong	PERSON
ajst-20791	147	1	journal of wuhan university (	ORG
ajst-20791	148	1	2	CARDINAL
ajst-20791	148	2	ander lang	PERSON
ajst-20791	148	3	yang jin	PERSON
ajst-20791	148	4	wu yongbin	PERSON
ajst-20791	149	1	mapping,2019,39(06):9-15	EVENT
ajst-20791	150	1	3	CARDINAL
ajst-20791	150	2	li qingshuo	PERSON
ajst-20791	150	3	ke changqing	PERSON
ajst-20791	150	4	zhang jie et al	PERSON
ajst-20791	150	5	greenland	GPE
ajst-20791	150	6	2003	DATE
ajst-20791	150	7	2019	DATE
ajst-20791	152	1	2002,24(03):558	CARDINAL
ajst-20791	153	1	4	CARDINAL
ajst-20791	153	2	wan jie	PERSON
ajst-20791	153	3	liao jingjuan	PERSON
ajst-20791	154	1	tao et al	PERSON
ajst-20791	155	1	glas altimeter	PERSON
ajst-20791	157	1	98	CARDINAL
ajst-20791	158	1	5	CARDINAL
ajst-20791	158	2	li guoyuan	PERSON
ajst-20791	158	3	zhao yanming et al	PERSON
ajst-20791	159	1	gedi	GPE
ajst-20791	161	1	2018	DATE
ajst-20791	162	1	6	CARDINAL
ajst-20791	162	2	norway	GPE
ajst-20791	163	1	7	CARDINAL
ajst-20791	163	2	li guoyuan	PERSON
ajst-20791	163	3	wang jianmin	PERSON
ajst-20791	165	1	geomatics	PERSON
ajst-20791	165	2	2019,43(12):38	CARDINAL
ajst-20791	166	1	8	CARDINAL
ajst-20791	166	2	kentaro t	GPE
ajst-20791	166	3	dem	NORP
ajst-20791	166	4	3digital	ORG
ajst-20791	167	1	2020	DATE
ajst-20791	167	2	12:349	CARDINAL
ajst-20791	168	1	9	CARDINAL
ajst-20791	168	2	ma yue	PERSON
ajst-20791	168	3	yang fanlin	PERSON
ajst-20791	168	4	wang mingwei et al	PERSON
ajst-20791	168	5	greenland	GPE
ajst-20791	170	1	2015	DATE
ajst-20791	170	2	3565-3569	CARDINAL
ajst-20791	171	1	chinese	NORP
ajst-20791	172	1	10	CARDINAL
ajst-20791	172	2	li guoyuan	PERSON
ajst-20791	174	1	2017	DATE
ajst-20791	174	2	46(11	DATE
ajst-20791	174	3	1117004.(in	CARDINAL
ajst-20791	174	4	chinese	NORP
ajst-20791	175	1	11	CARDINAL
ajst-20791	175	2	yu ying	PERSON
ajst-20791	176	1	icesat2/atlas	FAC
ajst-20791	178	1	2019,39(03):1-11	CARDINAL
ajst-20791	179	1	12	CARDINAL
ajst-20791	179	2	wang xianwei	PERSON
ajst-20791	179	3	david m	PERSON
ajst-20791	179	4	holland	GPE
ajst-20791	179	5	gudmundsson g. hilmar	PERSON
ajst-20791	179	6	dem	NORP
ajst-20791	179	7	aster gdem	PERSON
ajst-20791	179	8	mertz	PRODUCT
ajst-20791	180	1	environment,2018,206:218230	ORG
ajst-20791	181	1	13	CARDINAL
ajst-20791	181	2	wang cheng	PERSON
ajst-20791	181	3	dong pinliang	PERSON
ajst-20791	181	4	xiaohuan	GPE
ajst-20791	181	5	el al.a	GPE
ajst-20791	182	1	14	CARDINAL
ajst-20791	182	2	lamster k	PERSON
ajst-20791	182	3	argentine	NORP
ajst-20791	183	1	2020	DATE
ajst-20791	183	2	16(2):335-347	CARDINAL
ajst-20791	184	1	15	CARDINAL
ajst-20791	184	2	.using gedi	GPE
ajst-20791	184	3	ecosystems,2021,8(01):182-198	DATE
ajst-20791	185	1	16	CARDINAL
ajst-20791	185	2	chen guodong	PERSON
ajst-20791	185	3	zhang shengjun	PERSON
ajst-20791	186	1	greenland	GPE
ajst-20791	188	1	chinese	NORP
ajst-20791	188	2	geophysics,2019,62(07):2417-2428	ORG
ajst-20791	189	1	17] yuan	MONEY
ajst-20791	189	2	nie sheng	PERSON
ajst-20791	189	3	zhang hebing et al	PERSON
ajst-20791	189	4	gedi ground	ORG
ajst-20791	191	1	application,202,37(05):1056-1070	ORG
ajst-20791	192	1	chinese	NORP
ajst-20791	193	1	18	CARDINAL
ajst-20791	193	2	liu lijuan	PERSON
ajst-20791	193	3	wang cheng	PERSON
ajst-20791	193	4	nie sheng et al	PERSON
ajst-20791	193	5	gedi	ORG
ajst-20791	195	1	journal of university of chinese academy of sciences	ORG
ajst-20791	195	2	2019,39(04):502-511	CARDINAL
ajst-20791	196	1	19	CARDINAL
ajst-20791	196	2	huang jiapeng	PERSON
ajst-20791	196	3	xing yanqiu	PERSON
ajst-20791	196	4	qin lei et al	PERSON
ajst-20791	196	5	icesat-2/atlas	ORG
ajst-20791	197	1	2020	DATE
ajst-20791	197	2	49(11):122	CARDINAL
ajst-20791	198	1	chinese	NORP
ajst-20791	199	1	20	CARDINAL
ajst-20791	199	2	huang jiapeng	PERSON
ajst-20791	199	3	xing yanqiu	PERSON
ajst-20791	199	4	qin lei et al	PERSON
ajst-20791	201	1	chinese	NORP
ajst-20791	201	2	2019,51(04):164-172	CARDINAL
ajst-20791	202	1	21	CARDINAL
ajst-20791	202	2	zhu jun, yang panfeng	PERSON
ajst-20791	202	3	li yi	PERSON
ajst-20791	202	4	spain	GPE
ajst-20791	205	1	22	CARDINAL
ajst-20791	205	2	ke changqing	PERSON
ajst-20791	205	3	zhou xinghua et al	PERSON
ajst-20791	205	4	malan	GPE
ajst-20791	206	1	2019,26(10):20942105	DATE
ajst-20791	207	1	23	CARDINAL
ajst-20791	207	2	krainak	PERSON
ajst-20791	207	3	j b	PERSON
ajst-20791	209	1	spie the international society	ORG
ajst-20791	209	2	2012	DATE
ajst-20791	209	3	8381(8	DATE
ajst-20791	209	4	112	CARDINAL
ajst-20791	210	1	24	CARDINAL
ajst-20791	210	2	krainak	PERSON
ajst-20791	212	1	2011	DATE
ajst-20791	212	2	8182-8182	CARDINAL