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《Geospatial Information》 2010-01
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Application of Shepard Method Based on Quadric to GPS Height Fitting

HUANG Yongjun (Land Surveying and Mapping Institute of Hubei,Wuhan 430016,China)  
Because of some disadvantages of current methods in GPS height fitting,the article introduced a fitting method-Shepard fitting method based on quadric.The fitting methods,such as quadric fitting,Shepard curved surface fitting and Shepard fitting method based on quadric were used for approximating height anomaly in an experiment.The result shows that the precision can be improved evidently by Shepard fitting method based on quadric.
【CateGory Index】: P228.42
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1 GUO Hui;College of Surveying and Mapping,Anhui University of Science and Technology;College of Geoscience and Surveying Engineering,China University of Mining &Technology;;Transformation of GPS height and accuracy analysis based on combination model[J];测绘科学;2018-02
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