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2015•Geomatics & Spatial Information TechnologyRequires access

The Method of Area Quasi-Geoid Determined Based on the EGM2008 and GPS/Leveling

Zhou Yin

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Abstract

This paper introduces the advantages and disadvantages of quasi- geoid determined by EGM2008 or GPS leveling fitting,and uses remove ~ restore method to refine quasi- geoid based on the EGM2008 And GPS / leveling. Then,this paper comes up with the method of area quasi- geoid determined by using Arc GIS. Finally,by using the data of a strip,this paper refines quasi- geoid of the area,and makes accuracy analysis,resulting good external accord accuracy.

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What this paper is about

This paper introduces the advantages and disadvantages of quasi- geoid determined by EGM2008 or GPS leveling fitting,and uses remove ~ restore method to refine quasi- geoid based on the EGM2008 And GPS / leveling. Then,this paper comes up with the method of area quasi- geoid determined by using Arc GIS. Finally,by using the data of a strip,this paper refines quasi- geoid of the area,and makes accuracy analysis,resulting good external accord accuracy.

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Available abstract

This paper introduces the advantages and disadvantages of quasi- geoid determined by EGM2008 or GPS leveling fitting,and uses remove ~ restore method to refine quasi- geoid based on the EGM2008 And GPS / leveling. Then,this paper comes up with the method of area quasi- geoid determined by using Arc GIS. Finally,by using the data of a strip,this paper refines quasi- geoid of the area,and makes accuracy analysis,resulting good external accord accuracy.

Key concepts: Geoid, Geodesy, Global Positioning System, Undulation of the geoid, Geology, Remote sensing, Computer science, Geophysics

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