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《Editorial Board of Geomatics and Information Science of Wuhan University》 2005-01
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Application of Simulated Geoid to GPS-Leveling Interpolation

LOU Lizhi 1,2 HSU Houtze 1 (1 Institute of Geodesy and Geophysics, Chinese Academy of Sciences, 174 Xudong Road, Wuhan 430077, China) (2 Department of Surveying and GeoInformatics, Tongji University, 1239 Siping Road, Shanghai 200092, China)  
According to the topography\|isostatic theory, an isostatic\|geoid can be calculated; at the same time, the model\|geoid can be derived directly from earth's gravity field model. In this paper, the "remove\|restore" technique and multi\|quadratic function are used to interpolate the known GPS/leveling data. The experimental results show that the accuracy of simulated geoid by practical geophysical data is better than other geoids.
【Fund】: 国家自然科学基金资助项目 (4 0 3 740 3 0 )。
【CateGory Index】: P228.4
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