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《Journal of Geomatics》 2007-06
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GPS AND GLONASS COMBINED SINGLE POINT POSITIONING USED IN NAVIGATION

YU Xingwang ZHANG Xiaohong TAI He CHEN Yuan(School of Geodesy and Geomatics,Wuhan University,129 Luoyu Road,Wuhan 430079,China)  
The mathematic model and processing ways for GPS and GLONASS combined the single pointpositioning are discussed,then the result of the model is analyzed when the number of the GPS satellites viewed is more than four and when it is less than four,and navigation under the needs of low accuracy is realized.
【Fund】: 国家“863计划”资助项目(2006AA12Z325)
【CateGory Index】: P228.4
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