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《Journal of Geodesy and Geodynamics》 2012-04
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ESTIMATION AND APPLICATION OF NEAR REAL-TIME SATELLITE CLOCK BIAS BASED ON REGIONAL CORS NETWORK

Zhong Bin1) and Wu Yun1,2) 1)Key Laboratory of Earthquake Geodesy,Institute of Seismology,CEA,Wuhan 4300712)Wuhan Base of Institute of Crustal Dynamics,CEA,Wuhan 430071  
By using the un-differenced ionosphere-free model,the real-time satellite clock is estimated based on regional GPS continuously operating reference stations(CORS) data and IGU predicted orbit and then the real-time clock is respective compared with IGS final product and applied to the real-time PPP.The experimental results show that the accuracy between the estimate clock bias and IGS final product is better than ±0.2 ns,the kinematical accuracy of PPP is better than ±1 cm in horizontal direction,±2 cm in the vertical direction.
【Fund】: 中国地震局地震监测专项(201101014)
【CateGory Index】: P228.4
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