Volume 43 Issue 1
Jan.  2018
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QU Lizhong, DU Mingyi, WANG Jiang, ZHAO Qile, GUO Jing. Multi-GNSS Satellites Clock Estimation and Analysis[J]. Geomatics and Information Science of Wuhan University, 2018, 43(1): 107-111. DOI: 10.13203/j.whugis20150456
Citation: QU Lizhong, DU Mingyi, WANG Jiang, ZHAO Qile, GUO Jing. Multi-GNSS Satellites Clock Estimation and Analysis[J]. Geomatics and Information Science of Wuhan University, 2018, 43(1): 107-111. DOI: 10.13203/j.whugis20150456
shu

Multi-GNSS Satellites Clock Estimation and Analysis

  • 1.

    School of Geomatics and Urban Spatial Information, Beijing University of Civil Engineering and Architecture, Beijing 102600, China

  • 2.

    Beijing Key Laboratory for Architectural Heritage Fine Recon Struction & Health Monition, Beijing University of Civil Engineering and Architeeture, Beijing 102600, China

  • 3.

    GNSS Research Center, Wuhan University, Wuhan 430079, China

Funds: 

The National Natural Science Foundation of China 41374034

the National '863' Projects 2014AA123101

The International GNSS Monitoring and Assessment System iGMAS

the special funds for central university basic scientific research 2042014gf026

More Information
  • Author Bio:

    QU Lizhong, PhD, specializes in GNSS high-precision data process. E-mail: qulizhong@whu.edu.cn

  • Corresponding author:

    GUO Jing, PhD. E-mail: jingguo@whu.edu.cn

  • Received Date: December 18, 2015
  • Published Date: January 04, 2018
    Graphical Abstract
    • Abstract
  • By improving the satellites clock offset estimation method with epoch-differenced phase and un-differenced pseudo-range observations, we realize the estimation of GPS, GLONASS, BDS, and Galileo satellite clock offsets. Moreover 50 GNSS stations distributed worldwide were used to acquire multi-GNSS satellites clock offsets. Their precisions were analyzed. PPP was used to validate the estimated satellite clock offsets. The experimental results illustrate that the biases between satellite clock offsets as estimated and the final multi-GNSS precise satellites clock offsets generated using PANDA software package of Wuhan University were less than 0.2 ns. The PPP results using the estimated satellite clock offsets were close to the results estimated using the final multi-GNSS satellite clock offsets generated with the Wuhan University PANDA software.
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    • References (9)
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