Simulation and Analysis of the Factors Influencing the Multi-Baseline Positioning Accuracy

Yanbin ZHAO; Yang LIU; Shuang GAO; Guohua LIU; Hongyi YIN; Zhiqiang WAN; Longfei TIAN; Denghui HU

doi:10.3969/j.issn.1009-8518.2024.02.007

Journals >Spacecraft Recovery & Remote Sensing >Volume 45 >Issue 2 >Page 74 > Article

Spacecraft Recovery & Remote Sensing
Vol. 45, Issue 2, 74 (2024)

Simulation and Analysis of the Factors Influencing the Multi-Baseline Positioning Accuracy

Yanbin ZHAO^1,2, Yang LIU^1,*, Shuang GAO¹, Guohua LIU¹..., Hongyi YIN^1,2, Zhiqiang WAN¹, Longfei TIAN¹ and Denghui HU¹|Show fewer author(s)

Author Affiliations

¹Institute of Microsatellite Innovation, Chinese Academy of Sciences, Shanghai 201203, China

²University of Chinese Academy of Sciences, Beijing 100049, China

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DOI: 10.3969/j.issn.1009-8518.2024.02.007 Cite this Article

Yanbin ZHAO, Yang LIU, Shuang GAO, Guohua LIU, Hongyi YIN, Zhiqiang WAN, Longfei TIAN, Denghui HU. Simulation and Analysis of the Factors Influencing the Multi-Baseline Positioning Accuracy[J]. Spacecraft Recovery & Remote Sensing, 2024, 45(2): 74 Copy Citation Text

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Fig. 4. [in Chinese]

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点号	X坐标/m	Y坐标/m	Z坐标/m	$ {x}_{\mathrm{L}} $/m	$ {y}_{\mathrm{L}} $/m
0001	5 083.246 326 12	5 851.813 287 53	527.958 971 76	0.015 971 54	0.079 737 15
0002	5 779.959 803 69	5 906.175 348 37	571.513 056 74	0.085 856 81	0.078 645 94
0003	5 210.755 059 67	4 258.245 453 60	461.782 650 95	0.013 495 98	−0.080 234 37
0004	5 909.359 091 60	4 314.078 846 99	455.528 530 45	0.083 568 60	−0.081 341 14
0005	5 431.459 524 38	5 879.176 476 58	549.659 869 76	0.050 901 59	0.079 210 81
0006	5 147.356 016 86	5 055.465 045 62	484.964 817 74	0.014 770 32	−0.000 237 28
0007	5 495.755 490 23	5 082.644 007 40	506.656 274 66	0.049 717 17	−0.000 783 74
0008	5 844.140 057 14	5 109.778 680 71	528.475 148 19	0.084 662 14	−0.001 334 10
0009	5 559.926 010 44	4 285.979 169 92	463.545 389 78	0.048 518 96	−0.080 790 58

Table 1. Ground-truth three-dimensional coordinates of the ground point and left image plane coordinates

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基高比	中误差/m
基高比	X	Y	Z
0.15	3.513 75	3.001 27	10.371 39
0.2	3.530 14	2.998 87	10.367 71
0.3	3.487 40	2.995 37	10.397 53
0.4	3.412 80	2.990 38	10.357 00
0.5	3.410 67	2.985 90	10.349 12
0.6	3.288 93	2.975 69	10.337 87
0.7	3.320 00	2.968 62	10.321 18
0.8	3.100 54	2.944 84	10.293 20
0.9	2.962 91	2.909 04	10.237 93
1.0	2.620 70	2.791 88	10.068 88
1.2	2.705 64	2.697 21	9.958 89

Table 2. Calculation results of the plane and elevation accuracy under normal conditions

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基高比	匹配误差0.002 m		匹配误差0.004 m		匹配误差0.006 m		匹配误差0.008 m
基高比	平面中误差/m	高程中误差/m	平面中误差/m	高程中误差/m	平面中误差/m	高程中误差/m	平面中误差/m	高程中误差/m
0.15	3.194 025 5	10.382 60	3.256 020 0	10.389 80	3.227 675 0	10.390 72	3.227 715 0	10.400 50
0.2	3.197 828 0	10.379 50	3.205 426 0	10.381 16	3.207 584 5	10.383 94	3.214 263 5	10.419 67
0.3	3.196 870 5	10.366 06	3.187 861 0	10.376 70	3.199 742 5	10.397 53	3.198 205 5	10.408 67
0.4	3.183 811 5	10.373 80	3.182 338 0	10.374 31	3.200 191 5	10.371 40	3.211 951 0	10.410 18
0.5	3.191 657 0	10.380 60	3.187 869 0	10.371 82	3.189 710 0	10.384 25	3.214 530 0	10.389 89
0.6	3.189 410 5	10.374 43	3.180 791 0	10.377 37	3.192 458 0	10.383 62	3.199 013 0	10.392 47
0.7	3.186 557 0	10.370 34	3.178 117 0	10.370 78	3.196 602 5	10.376 02	3.193 129 5	10.385 43
0.8	3.193 396 0	10.374 18	3.190 868 0	10.380 05	3.200 557 0	10.379 55	3.179 863 5	10.376 08
0.9	3.189 542 0	10.369 10	3.184 319 0	10.373 51	3.198 198 0	10.378 20	3.184 890 0	10.378 12
1.0	3.188 544 5	10.370 91	3.182 612 5	10.372 01	3.194 493 0	10.381 27	3.183 950 5	10.369 31
1.2	3.191 367 0	10.369 69	3.195 319 5	10.373 54	3.196 008 0	10.379 82	3.194 930 0	10.381 53

Table 3. The matching errors under different ratios of baseline to altitude and the corresponding calculation results of the plane and elevation accuracy

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