利用GPS布设水利隧洞工程控制网及精度分析  

The Controlling Network Layout of Water Conservancy Tunnel Engineering by GPS and its Precision Analysis

作　　者：李启业[1] 

机构地区：[1]广西水利电力勘测设计研究院,广西南宁530023

出　　处：《企业科技与发展》2011年第10期90-92,共3页Sci-Tech & Development of Enterprise

摘　　要：GPS定位技术以其高精度、全天候作业、操作简单、观测时间短等诸多优点而广泛应用于各种测量控制网的布设。文章从不同版本规范对GPS控制网有不同要求的角度探析GPS控制网的布设原则,并在实例工程中分析其精度。GPS location technology that is featured by high precision, all weather operation, easy and simple operation and short observation time, is widely applied to the layouts of many measuring controlling networks. The paper analyzes the lay- out principles of GPS controlling network and its precision in practical engineering projects, based on different visions＇ standards that fit in di!. rent GPS controlling networks.

关 键 词：GPS控制网 布设原则 基线解算 网平差 精度 

分 类 号：P228.4[天文地球—大地测量学与测量工程]