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《Journal of Liaoning Institute of Science and Technology》 2015-02
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Regional Quasi-Geoid Refinement based on Contract of EGM2008 Mode

WU Guangchen;LIU Yan;School of Resource and Civil Engineering,Laoning Institute of Science and Technology;  
According to the existent data of the experiment area and gravity field model EGM2008,the paper introduces a quasi- geoid refinement calculation for certain area.Small regional quasi- geoid refinement is done by using GPS leveling observation and the remove-restore method.Comparing the refining results with interpolation data of model EGM2008,it can be concluded that GPS leveling can complete calculation of regional quasi-geoid refinement quickly and efficiency,while the refined results are used to compare with interpolation data of EGM20O8 to get the checked results.So iy is an effective method for small regional quasi- geoid refinement based on contrast of model EGM2008.
【CateGory Index】: P223.0
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