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Positioning Performance Analysis for High-Precision Control Surveying of BDS-3/BDS-2 and BDS-3+BDS-2
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Mingduan ZHOU1, Qiao SONG1, Yansong BAI1, Qinglong MENG2, Shun WU3, Minghua LIU2, Chi ZHANG4
Journal of Geodesy and Geodynamics | 2025, 45(8) : 796 - 805
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Journal of Geodesy and Geodynamics | 2025, 45(8): 796-805
Positioning Performance Analysis for High-Precision Control Surveying of BDS-3/BDS-2 and BDS-3+BDS-2
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Mingduan ZHOU1, Qiao SONG1, Yansong BAI1, Qinglong MENG2, Shun WU3, Minghua LIU2, Chi ZHANG4
Affiliations
  • 1 School of Geomatrics and Urban Spatial Informatics, Beijing University of Civil Engineering and Architecture, 15 Yongyuan Road, Beijing 102616, China
  • 2 Beijing Municipal Construction Group Co Ltd, 17 South-Lishi Road, Beijing 100089, China
  • 3 State Grid Jibei Electric Power Co Ltd, 32 Zaolinqian Street, Beijing 100053, China
  • 4 Highway Asset Management Branch, Beijing Capital Highway Development Group Co Ltd, Tianjiafu Service Area of Jingha Expressway, Beijing 101149, China

    • ZHOU Mingduan, PhD, associate professor, majors in satellite navigation and LiDAR technology, E-mail:

About Author:

ZHOU Mingduan, PhD, associate professor, majors in satellite navigation and LiDAR technology, E-mail:

Published: 2025-08-15 doi: 10.14075/j.jgg.2025.03.081
Outline
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By establishing a BDS transmission reference control surveying model, the paper compares and analyzes the high-precision control surveying positioning performance differences between BDS-3/BDS-2 and BDS-3+BDS-2. Nine first-order control points of a project in Beijing and three IGS tracking stations in China and its surrounding areas were selected to establish a high-precision control surveying positioning network that supports both GPS and BDS-3/BDS-2 signals. Continuous observation data from three time periods(days 153-155 of 2023) were selected, and four schemes were designed for data processing. The positioning performance was compared and analyzed from two aspects: the transmission results of the initial reference and the adjustment results of control surveying. The results show that compared with GPS, BDS-3 and BDS-3+BDS-2 have only millimeter-level differences in N, E, U, horizontal, and point directions, while BDS-2 has differences ranging from millimeters to centimeters in the U and point directions, and only millimeter-level differences in the N, E, and horizontal directions. The measurement accuracy of BDS-3 is basically equivalent to that of BDS-3+BDS-2, while BDS-2 has lower accuracy than the other two, especially in the U direction.

BDS  /  baseline processing  /  network adjustment  /  starting datum transfer  /  control surveying accuracy
周命端, 宋峤, 白岩松, 孟庆龙, 吴舜, 刘明华, 张驰. BDS-3/BDS-2及BDS-3+BDS-2高精度控制测量定位性能分析. 大地测量与地球动力学, 2025 , 45 (8) : 796 -805 . DOI: 10.14075/j.jgg.2025.03.081
Mingduan ZHOU, Qiao SONG, Yansong BAI, Qinglong MENG, Shun WU, Minghua LIU, Chi ZHANG. Positioning Performance Analysis for High-Precision Control Surveying of BDS-3/BDS-2 and BDS-3+BDS-2[J]. Journal of Geodesy and Geodynamics, 2025 , 45 (8) : 796 -805 . DOI: 10.14075/j.jgg.2025.03.081
Funding
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  • Independent Research and Development Project of Beijing Municipal Construction Group Co Ltd(KJL-EC-202405-025)
  • General Research Project on Digital Education in Beijing in 2024(BDEC2024YB130)
  • University-Industry Collaborative Education Program of Ministry of Educaiton(230907551284228)
Appendix
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Year 2025 volume 45 Issue 8
47
20
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Article Info
doi: 10.14075/j.jgg.2025.03.081
  • Receive Date：2025-03-13
  • Online Date：2026-10-29
  • Published：2025-08-15
Article Data
Affiliations
History
  • Received：2025-03-13
Funding
Independent Research and Development Project of Beijing Municipal Construction Group Co Ltd(KJL-EC-202405-025)
General Research Project on Digital Education in Beijing in 2024(BDEC2024YB130)
University-Industry Collaborative Education Program of Ministry of Educaiton(230907551284228)
Affiliations
    1 School of Geomatrics and Urban Spatial Informatics, Beijing University of Civil Engineering and Architecture, 15 Yongyuan Road, Beijing 102616, China
    2 Beijing Municipal Construction Group Co Ltd, 17 South-Lishi Road, Beijing 100089, China
    3 State Grid Jibei Electric Power Co Ltd, 32 Zaolinqian Street, Beijing 100053, China
    4 Highway Asset Management Branch, Beijing Capital Highway Development Group Co Ltd, Tianjiafu Service Area of Jingha Expressway, Beijing 101149, China
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https://castjournals.cast.org.cn/joweb/ddcl/EN/10.14075/j.jgg.2025.03.081
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表12种不同金属材料的力学参数
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小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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