LI Ruifeng, WANG Yuanming. Application of Two-Way Satellite-Ground Time Synchronization in COMPASS[J]. Geomatics and Information Science of Wuhan University, 2013, 38(7): 842-844.
Citation: LI Ruifeng, WANG Yuanming. Application of Two-Way Satellite-Ground Time Synchronization in COMPASS[J]. Geomatics and Information Science of Wuhan University, 2013, 38(7): 842-844.
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Application of Two-Way Satellite-Ground Time Synchronization in COMPASS

    Abstract
  • In this paper,the basic theory and mathematical model of two-way satellite-ground time transfer are presented.The error model is deduced and error budgets are analyzed and concluded that the accuracy approaches 0.9 ns.Furthermore,software was developed and actual two-way satellite-ground observations from COMPASS validation testing were processed.The results indicate that the accuracy of satellite-ground time transfer in COMPASS validation phase is 1.0 ns.
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