二次曲面拟合GPS高程的研究  

Study on GPS height of quadratic surface fitting

作　　者：刘建贤 

机构地区：[1]深圳市长勘勘察设计有限公司,深圳518003

出　　处：《工程建设》2009年第3期11-13,共3页Engineering Construction

摘　　要：论述了GPS测高以及二次曲面拟合的基本原理,以实例分析了二次曲面拟合GPS高程的精度,并比较了EGM96模型和拟合模型在特定测区的符合精度。The basic principles of GPS measurement and quadratic surface fitting were described,the accuracy of GPS height of quadratic surface alyzed with a practical example,and the accuracy of EGM96 model and ting was anfitting model in particular measurement region were compared.

关 键 词：大地水准面 高程异常 二次曲面拟合 EGM96模型 

分 类 号：P223.0[天文地球—大地测量学与测量工程]