Key Laboratory of Geodynamics, Institute of Geodesy and Geophysics, Chinese Academy of Sciences, Wuhan 430077, China;
Graduate School of the Chinese Academy of Sciences, Beijing 100039, China;
Key Laboratory of Geodynamics, Institute of Geodesy and Geophysics, Chinese Academy of Sciences, Wuhan 430077, China;
Key Laboratory of Geodynamics, Institute of Geodesy and Geophysics, Chinese Academy of Sciences, Wuhan 430077, China;
partial continuation model; systematic errors; GPS; double-differenced measurements;