起算点的分布和基线连接方式对GPS工程控制网的精度影响分析  

The Influence of the Result due to the Distribution of Initial Data and the Connectivity of Baselines in GPS Engineering Network Accuracy

作　　者：李刚[1] 

机构地区：[1]北京市测绘设计研究院,北京100038

出　　处：《北京测绘》2012年第6期25-27,33,共4页Beijing Surveying and Mapping

摘　　要：GPS以其高精度、全天候、外业操作简单等优点,广泛应用于各种工程控制网的建立。本文通过几组相关实验,分析不同起算点分布以及不同独立基线连接方式对GPS控制网平差精度的影响,得出一些有益的结论,对生产实践工作具有一定的借鉴作用。With its advantages of high precision,all-weather and easy to operate,GPS is widely used in the establishment of various engineering control networks.Through several sets of experiments this paper analyses the influence of the different initial data distribution and the different baseline connection to the GPS control network adjustment accuracy,trying to draw some useful conclusions and to provide a certain reference to the practical work.

关 键 词：GPS 起算点分布 独立基线 精度分析 

分 类 号：P228.4[天文地球—大地测量学与测量工程]