建立高精度GPS控制网应注意的几个问题  

Several Problems in Establishing High Precision GPS Control Network

作　　者：张润生 ZHANG Run-sheng(Yunnan Institute of Surveying and Mapping of Geology and Mineral Resources,Kunming Yunnan 650218,China)

机构地区：[1]云南省地矿测绘院,云南昆明650218

出　　处：《地矿测绘》2020年第4期31-32,共2页Surveying and Mapping of Geology and Mineral Resources

基　　金：国家自然科学基金项目(41471314,41001313)。

摘　　要：文章主要讨论建立高精度GPS控制网时坐标基准框架的统一性问题、数据处理和平差时系统误差及粗差的分析和消除方法,目的是为同行提供参考。This paper mainly discusses the unity of the coordinate reference frame in establishing high precision GPS control network,and the analysis and elimination method of systematic error and gross error in data processing and adjustment.Its purpose is to provide some reference for the peer.

关 键 词：坐标基准框架 系统误差 粗差 ITRF 无约束平差 约束平差 

分 类 号：P228.4[天文地球—大地测量学与测量工程]