GPS高程测量精度分析  

Analysis of GPS Height Measurement Accuracy

作　　者：张前勇[1] 汪雷[1] 

机构地区：[1]湖北民族学院生物科学与技术学院,湖北恩施445000

出　　处：《湖北民族学院学报（自然科学版）》2008年第4期422-425,共4页Journal of Hubei Minzu University(Natural Science Edition)

基　　金：国家自然科学基金项目(A0274005)

摘　　要：在介绍GPS测高原理的基础上,分析GPS高程测量误差的主要来源,详细论述了减少GPS高程测量误差的几种方法,并以湖北民族学院高程控制网为例,分析GPS高程测量的精度,提出相关的建议.On the basis of introducing the principle of GPS height surveying, this paper analyzes the main sources of errors with GPS elevation measuring and discusses in detail several methods to reduce the errors of GPS elevation measuring. Taking as an example the elevation control net in Hubei University for Nationalities,the paper analyzes the accuracy of GPS height surveying and puts forward relevant proposals .

关 键 词：GPS高程测量 正常高 大地高 高程异常 精度 

分 类 号：P228[天文地球—大地测量学与测量工程]