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A review of multi-path effects on high precision GPS positioning

GUO Ying-qi①②,HUANG Sheng-xiang ②① Dept.of Surveying and Mapping Engineering,Heilongjiang Institute of Technology,Harbin 150050,China;② School of Geodesy and Geomatics,Wuhan University,Wuhan 430079,China)  
Multi-path errors are the main error sources that affect the quality of highly-precise GPS positioning.This paper describes the characteristics and laws of multi-path errors.The methods and measures on eliminating or weakening the influence of multi-path errors are also presented in the paper.It provides reference for those engaged in highly-precise GPS positioning and scientific research.
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