GPS水准高程在工程测量中的应用  

Application of GPS level elevation in engineering survey

作　　者：赵康年[1] 

机构地区：[1]青海大学地质工程系,青海西宁810016

出　　处：《青海大学学报（自然科学版）》2012年第1期38-41,共4页Journal of Qinghai University(Natural Science)

摘　　要：文中简要介绍了当前工程测量采用的高程系统,论述了GPS和水准测量相结合的基本原理及工作方法,结合西宁机场某路段精密工程测量网施测的水准成果和GPS测量数据,将GPS拟合高差与水准实测高差进行比较分析得出了有益的结论:认为采用一定措施得到的GPS水准高程可靠。同时提出了进一步提高GPS水准高程精度的方法。The height system applied in the engineering surveying was briefly discussed in this paper.It was stated that the principle and application of the combination of GPS and leveling surveying.The research area locates in the road section of Xining Airport.The results of the two different methods were compared.It is concluded that the results derived from the GPS were more reliable than those from level.And the further improvement of the GPS precision was proposed.

关 键 词：GPS 水准测量 正常高 高程异常 高程拟合 

分 类 号：P22[天文地球—大地测量学与测量工程]