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《Science of Surveying and Mapping》 2008-06
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Research on GPS height conversion by BP neural network

YIN Ai-ming,ZHANG Chu(Changjiang Waterway Survey(Wuhan) Center,Wuhan 430010,China)  
For some current questions such as the large-scale uneven distributed points,the distortion effect on old elevation conversion,model error,and so on,an improved BP neural network method was presented for converting GPS Elevation algorithm in this paper,and the comparative analysis were made with surface fitting method.Test example result showed that the BP neural network method GPS elevation conversion is superior to conicoid fitting method in a larger degree,and the result can meet the accuracy requirement of work.
【CateGory Index】: P228.4
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