长沙市轨道交通1号线C级GPS网的建设  

The C_level GPS Control Network Construction of the Line No.1 ChangSha Rail Transit

作　　者：匡志威 刘鹏程 周晓卫 姜韶 

机构地区：[1]长沙市勘测设计研究院,湖南长沙410007

出　　处：《城市勘测》2012年第4期108-111,共4页Urban Geotechnical Investigation & Surveying

摘　　要：讨论了长沙市轨道交通1号线C级GPS网的设计、埋设、外业观测及数据处理。从数据处理结果可以得出,该网内、外符合精度高,成果可靠,满足地铁施工要求。最后,针对城市轨道交通控制网的特点,提出了一些建议。The paper describes the design.control point setting,survey and data processing of the Line NO. 1 Changsha Rail Transit＇ C_level GPS Control Network. It shows that the control Network has the high coincident precision. The results are reliable and can be used for the construction of the to the characteristics of urban rail transit＇ control network rail transit. The last, the suggestion is provided according

关 键 词：GPS控制网 内符合精度 外符合精度 轨道交通 

分 类 号：P228.49[天文地球—大地测量学与测量工程] P258[天文地球—测绘科学与技术]