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《Geospatial Information》 2010-01
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Application of Mobile GPS Data Pre-process to Inspection

TAO Liufeng1,Lü Jianjun1,MA Bingxia2 (1.School of Information Engineering,China University of Geosciences,Wuhan 430074,China;2.Wuhan Aviation Instrument Co.,Ltd.,Wuhan 430074,China)  
How toimprove the orientation precision of GPS and extend the working hours of portable devicesbecomes the focus inthe application field of GPS.In this paper,we utilizedthe arithmetic process the GPS data,which based least square method,to improve the precision,and introduced multithreading technology to control the Start-End of GPS module,which meaning to extend the working hours.In practice,using of the method is perfect.
【Fund】: “十一五”国家科技支撑计划资助项目(2006BAJ15B03)
【CateGory Index】: P228.42
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