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The reliability analysis of datum points in GPS network

WU Liang-cai1,2, HU Zhen-qi1(1. East China Institute of Technology, Fuzhou 344000, China;2. China University of the Minning and Technology, Beijing 100083, China)  
The reliability of datum points is very important to surveying result of GPS network. This paper analyzes and compares the result of bind adjustment of GPS network through concrete examples, under statistical inspect. The paper put forward a simple means for testing the reliability of datum points, gives the influence rule of datum points and their position errors to the precision of bind adjustment of GPS network.
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