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《Geomatics & Spatial Information Technology》 2009-02
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Calculation of GLONASS Satellite Station and the Realization of Program

GE Kui1,WANG Jie-xian1,2(1.Department of Surveying and Geoinformatics of TongJi University,Shanghai 200092,China;2.Key Laboratory of Advanced Engineering Survey of SBSM,Shanghai 200092,China)  
In order to meet the need of dealing with GPS/GLONASS navigation data,this paper analyzes the broadcast ephemeris of GLONASS and formula of the satellite acceleration in PZ-90 coordinate.It derives the calculating formula of orbit integral by using the fixed step and four-rank Runge-Kutta method,puts up with a new programme which don't need fitting.The structure of this method is simple and the speed is quick.Finally,it analyzes the relationship between integral step and integral interval with the precision of orbit integral,worthwhile come up with the reasonable step in the calculating practice.
【CateGory Index】: P228.4
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