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Studying of new method for GPS height transformation
Pages: 60-63
Year: Issue:  3
Journal: Geotechnical Investigation & Surveying

Keyword:  EIGEN-GL04C EGM; local topographic correction; remove-restore; GPS height transformation;
Abstract: A GPS height transformation method by Remove-Restore idea,using EIGEN-GL04C EGM,local topographic correction and geometry method is presented in this paper.It verified the precision of EIGEN-GL04C EGM and compared some formulae of current local topographic correction.Besides,a case study of tunnel project is given to show that the proposed method is useful and effective.The algorithm is also proved to get good precision in mountain area of rugged topography.
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