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GPS高程测量精度分析
引用本文:张前勇,汪雷.GPS高程测量精度分析[J].湖北民族学院学报(哲学社会科学版),2008,26(4).
作者姓名:张前勇  汪雷
作者单位:湖北民族学院生物科学与技术学院,湖北恩施445000
基金项目:国家自然科学基金  
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.

关 键 词:GPS高程测量  正常高  大地高  高程异常  精度

Analysis of GPS Height Measurement Accuracy
ZHANG Qiang-yong,WANG Lei.Analysis of GPS Height Measurement Accuracy[J].Journal of Hubei Institute for Nationalities(Natural Sciences),2008,26(4).
Authors:ZHANG Qiang-yong  WANG Lei
Institution:ZHANG Qiang-yong,WANG Lei(School of Biological Science , Technology,Hubei University for Nationalities,Enshi 445000,China)
Abstract: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.
Keywords:GPS height measurement  normal height  geoid height  height abnormality  accuracyaccuracy  
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