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BDS Observations Characteristics and Assessment of Dynamic Positioning Performance in the Arctic Region
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Yang LIU1, 2, Hongzhou CHAI1, *, Min WANG1, 2, Yingdong ZHOU1, 2, Qiankun ZHANG1, 2, Shuang SUN1, 2
Journal of Geodesy and Geodynamics | 2025, 45(6) : 555 - 561
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Journal of Geodesy and Geodynamics | 2025, 45(6): 555-561
BDS Observations Characteristics and Assessment of Dynamic Positioning Performance in the Arctic Region
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Yang LIU1, 2, Hongzhou CHAI1, *, Min WANG1, 2, Yingdong ZHOU1, 2, Qiankun ZHANG1, 2, Shuang SUN1, 2
Affiliations
  • 1 School of Surveying and Mapping, Information Engineering University, 62 Kexue Road, Zhengzhou 450001, China
  • 2 Key Laboratory of Smart Earth, Beijing 100080, China

    • LIU Yang, postgraduate, majors in GNSS PPP, E-mail:

About Author:

LIU Yang, postgraduate, majors in GNSS PPP, E-mail:

Published: 2025-06-15 doi: 10.14075/j.jgg.2024.06.270
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This article is based on the kinematic GNSS observation from the 13th Chinese Arctic Ocean scientific expedition, which marked China's first arrival at the North Pole. It compares and analyzes the observation quality of different signal from BDS and GPS in terms of carrier-to-noise ratio, multipath effects, pseudorange noise, ionospheric delay rate of change, and evaluates their kinematic positioning performance. The results show that the BDS's visible satellite count is still maintained at 8 to 14 close to the North Pole, and that the PDOP value is superior to that of GPS. In the Arctic region, the RMS of multipath combination observation for BDS is around 0.2 m. The RMS of multipath combination observation for B1C and B2a is smaller than the B1Ⅰ and B3Ⅰ signal, but their pseudorange noise is higher. The results of kinematic pseudorange positioning show that the positioning accuracy of BDS is comparable to the GPS, with the B1C/B2a ionosphere-free combination yields better positioning performance than the B1Ⅰ/B3Ⅰ combination.

Beidou satellite navigation system  /  Arctic region  /  observations peculiarity  /  kinematic positioning
刘洋, 柴洪洲, 王敏, 周英东, 张乾坤, 孙爽. 北极地区BDS观测量特性分析与动态定位性能评估. 大地测量与地球动力学, 2025 , 45 (6) : 555 -561 . DOI: 10.14075/j.jgg.2024.06.270
Yang LIU, Hongzhou CHAI, Min WANG, Yingdong ZHOU, Qiankun ZHANG, Shuang SUN. BDS Observations Characteristics and Assessment of Dynamic Positioning Performance in the Arctic Region[J]. Journal of Geodesy and Geodynamics, 2025 , 45 (6) : 555 -561 . DOI: 10.14075/j.jgg.2024.06.270
Funding
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  • National Natural Science Foundation of China(42074014)
  • National Natural Science Foundation of China(42304043)
  • Open Fund of Key Laboratory of Smart Earth(KF2023YB01-11)
Appendix
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Year 2025 volume 45 Issue 6
33
14
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Article Info
doi: 10.14075/j.jgg.2024.06.270
  • Receive Date：2024-06-05
  • Online Date：2026-10-30
  • Published：2025-06-15
Article Data
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History
  • Received：2024-06-05
Funding
National Natural Science Foundation of China(42074014)
National Natural Science Foundation of China(42304043)
Open Fund of Key Laboratory of Smart Earth(KF2023YB01-11)
Affiliations
    1 School of Surveying and Mapping, Information Engineering University, 62 Kexue Road, Zhengzhou 450001, China
    2 Key Laboratory of Smart Earth, Beijing 100080, China
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
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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