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《Engineering of Surveying and Mapping》 2009-06
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The troposphere model analysis In GPS positioning

ZHANG Li-ren,XU Ai-gong(Surveying and Mapping and Geographic Sciences,Liaoning Engineering Technology University,Fuxin 123000,China)  
The characteristics of the troposphere delay at GPS navigation positioning errors is analyzed.The current major application fields of satellite positioning some of tropospheric refraction correction model are introduced.Based on Hopfield model and Saastamoinen model,a meteorological parameters measured in the absence of conditions is used in tropospheric delay correction model.Using Matlab simulation software for static and dynamic receiver measured data were analyzed.The results show that a simple correction model can eliminate about 70% of the troposphere influence to effectively improve the GPS positioning accuracy.
【CateGory Index】: P228.4
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【Citations】
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【Co-citations】
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