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Accuracy Analysis of GPS Kinematic-to-Kinematic Single-Difference Carrier Phase Time Transfer
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Qian CUI1, 2, Shiming ZHONG1, 2, Jie ZHANG1, 2, 3, 4, *, Jinyang HAN1, 2, Runmin LU1, 2, Zecheng HU1, 2
Journal of Geodesy and Geodynamics | 2025, 45(7) : 712 - 717
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Journal of Geodesy and Geodynamics | 2025, 45(7): 712-717
Accuracy Analysis of GPS Kinematic-to-Kinematic Single-Difference Carrier Phase Time Transfer
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Qian CUI1, 2, Shiming ZHONG1, 2, Jie ZHANG1, 2, 3, 4, *, Jinyang HAN1, 2, Runmin LU1, 2, Zecheng HU1, 2
Affiliations
  • 1 State Key Laboratory of Geodesy and Earth's Dynamics, Innovation Academy for Precision Measurement Science and Technology, CAS, 340 Xudong Street, Wuhan 430077, China
  • 2 College of Earth and Planetary Sciences, University of Chinese Academy of Sciences, A19 Yuquan Road, Beijing 100049, China
  • 3 Hubei Luojia Laboratory, 129 Luoyu Road, Wuhan 430079, China
  • 4 Wuhan National Geodetic Observatory, Innovation Academy for Precision Measurement Science and Technology, CAS, 340 Xudong Street, Wuhan 430077, China

    • CUI Qian, postgraduate, majors in GNSS time transfer, E-mail:

About Author:

CUI Qian, postgraduate, majors in GNSS time transfer, E-mail:

Published: 2025-07-15 doi: 10.14075/j.jgg.2024.08.373
Outline
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Aiming at the requirement of high-precision time transfer between kinematic users and the limitation of PPP time transfer relies on real-time precision orbit and clock products, we study the kinematic-to-kinematic single-difference carrier phase time transfer method for real-time estimation of base station coordinates, and carry out static simulated dynamic and measured kinematic tests to evaluate the performance of single-difference carrier phase time transfer method. The results show that standard deviations of static simulated dynamic zero-baseline and non-zero baseline time transfer are 0.034 ns and 0.053 ns, respectively, and the frequency stability is 9.49×10-16/30 000 s and 1.85×10-15/30 000 s, respectively. The standard deviation of measured kinematic non-zero baseline time transfer is 0.095 ns, and the frequency stability is 8.37×10-14/300 s, which verifies the feasibility of algorithm in actual motion scene. The GPS kinematic-to-kinematic single-difference carrier phase time transfer has low cost and is easy to implement. The clock solution with sub-nanosecond accuracy can be realized by using GPS observations and broadcast ephemeris, which provides a key technology for short-distance, kinematic and high-precision time transfer.

GNSS  /  time transfer  /  kinematic-to-kinematic  /  single-difference between stations  /  accuracy analysis
崔潜, 钟世明, 张杰, 韩金阳, 路润民, 胡泽成. GPS动对动单差载波相位时间传递精度分析. 大地测量与地球动力学, 2025 , 45 (7) : 712 -717 . DOI: 10.14075/j.jgg.2024.08.373
Qian CUI, Shiming ZHONG, Jie ZHANG, Jinyang HAN, Runmin LU, Zecheng HU. Accuracy Analysis of GPS Kinematic-to-Kinematic Single-Difference Carrier Phase Time Transfer[J]. Journal of Geodesy and Geodynamics, 2025 , 45 (7) : 712 -717 . DOI: 10.14075/j.jgg.2024.08.373
Funding
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  • National Natural Science Foundation of China(42174222)
  • Wuhan Knowledge Innovation Project(2023010201010082)
  • Open Fund of Hubei Luojia Laboratory(220100062)
Appendix
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Year 2025 volume 45 Issue 7
34
14
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Article Info
doi: 10.14075/j.jgg.2024.08.373
  • Receive Date：2024-08-06
  • Online Date：2026-10-29
  • Published：2025-07-15
Article Data
Affiliations
History
  • Received：2024-08-06
Funding
National Natural Science Foundation of China(42174222)
Wuhan Knowledge Innovation Project(2023010201010082)
Open Fund of Hubei Luojia Laboratory(220100062)
Affiliations
    1 State Key Laboratory of Geodesy and Earth's Dynamics, Innovation Academy for Precision Measurement Science and Technology, CAS, 340 Xudong Street, Wuhan 430077, China
    2 College of Earth and Planetary Sciences, University of Chinese Academy of Sciences, A19 Yuquan Road, Beijing 100049, China
    3 Hubei Luojia Laboratory, 129 Luoyu Road, Wuhan 430079, China
    4 Wuhan National Geodetic Observatory, Innovation Academy for Precision Measurement Science and Technology, CAS, 340 Xudong Street, Wuhan 430077, 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
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Genus		 种数
Number of
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Percentage of total
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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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