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《Journal of Chengde Petroleum College》 2009-02
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Accuracy Analysis of RTK in City Control Survey

YOU Jun-long,SUN Li-xin(514 Brigade of North China Geological Exploration Bureau,Chengde 067000,Hebei,China)  
In city control survey,Dynamic GPS(RTK) needs to be combined with conventional measurements to complete a whole project in most cases as a result of some restriction.Therefore the accuracy of RTK needs to be objectively assessed.After an analysis of two modes of operation with the law of error propagation theory,RTK is confirmed to be with accurate and evenly distributed measurement points,but with less relative accuracy of adjacent wire points than conventional RTK measurement.In accordance with the existing norms of precision on wire points,the points laying requirements should be changed,and the length should be lengthened in RTK operation.
【CateGory Index】: P228.4
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【Co-citations】
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