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《Science of Surveying and Mapping》 2005-03
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The weight determination of the double difference observation in GPS carrier phase positioning

GAO Cheng-fa,ZHAO Yi,WAN De-jun  
The weight of the double difference observation in GPS carrier phase positioning is important.Two common methods of the weight determination are briefly introduced and the weight determination of the altitude angle is firstly brought forward in the paper.Based on the surveying data of some large water and electricity station,the influence on the baseline coordinate calculation precision is analyzed,and the data analysis results indicate that the weight determination of the altitude angle can effectively improve the precision of baseline coordinates.
【CateGory Index】: P228.4
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