伪卫星增强GPS定位技术及现状分析  

The positioning technology of pseudolite augmenting GPS and actuality analysis

作　　者：王晖辉[1] 战兴群[1] 翟传润[1] 万晓光[1] 

机构地区：[1]上海交通大学空天科学研究院,上海200240

出　　处：《测绘科学》2009年第3期11-13,共3页Science of Surveying and Mapping

基　　金：上海市科技攻关重大项目(编号05dz15006)

摘　　要：伪卫星增强GPS定位技术能够有效地改善GPS卫星定位的图形结构,并提高GPS系统的可用性、可靠性和精确度。本文从介绍GPS双向收发器和同步伪卫星的硬件结构入手,分析并研究了自校准伪卫星阵列与Lo-cata导航定位系统的关键技术,最后对两个系统的优缺点进行了总结。The technology of pseudolite augmenting GPS can effectively improve the geometric strength of GPS positioning solution, which also enhance the availability, reliability and precision of GPS. By introducing the hardware of GPS transceiver and synchrolites, the paper analyzes and researches the key technique of SCPA and LoeataNet. In the end it summarizes the advantage and disadvantage of the two positioning system.

关 键 词：GPS 伪卫星 TRANSCEIVER SCPA Locata 

分 类 号：P228.4[天文地球—大地测量学与测量工程]