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《Acta Geodaetica Et Cartographic Sinica》 2002-02
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Conversion of GPS Height in Plainness Area by the CF&NNM Method

HU Wu-sheng 1, HUA Xi-sheng 2 , ZHANG Zhi-wei 1 (1. College of Traffic and Transportation Engineering, Southeast University, Nanjing 210096, China; 2. College of Civil Engineering, Hehai University, Nanjing 210098, China)  
The method of conicoid fitting and the method of neural networks used for transforming GPS height are introduced briefly in this paper. The two methods above have shortcomings. The method of CFNNM, a new method used for transforming GPS height is introduced in this paper, and it takes full advantage of virtues of the two methods. Through the practice of two projects in plainness area, the validity of the CFNNM method used for transforming GPS height is validated, and some conclusions, which have practicable value, are received.
【CateGory Index】: P228.4
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