武汉市轨道交通4号线二期工程GPS控制网的建立及精度分析

Establishment and Precision Analysis of GPS Control Network of PartⅡLine NO.4 Wuhan Rail Transit Project

详细介绍了武汉市轨道交通4号线二期工程GPS控制网的设计、外业观测和数据处理,分析了本次GPS控制网的成果精度,并就GPS技术在城市轨道平面控制测量中的应用提出了有益的意见。

The paper introduced the GPS control network＇layout,survey,data processing and precision analysis of PartⅡ Line NO.4 Wuhan Rail Transit Project in detail,and summarized some useful experience about GPS technology applications in the urban metro Plan control survey.