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《Engineering of Surveying and Mapping》 2009-01
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Application of collocation model based on quadric surface in GPS leveling surveying

WANG Zeng-li,HUANG Teng,DENG Biao (College of Civil Engineering,Hehai University,Nanjing 210098,China)  
Aiming at the defects of three single fitting model which used in GPS leveling: polynomial fitting model,multiquadric fitting,weighted average mode,collocation based on polynomial model is introduced in the paper.By analyzing and discussing the data surveyed from one project,this article draws effective conclusion that this new methods has more reliability and pratical value because of higher accuracy and stability.
【CateGory Index】: P228.4
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