BDS/GPS/GLONASS融合网格伪距差分定位性能分析  

Research on performance of BDS/GPS/GLONASS fusion grid pseudo-range differential positioning

作　　者：周万振 秘金钟[2] 李得海[2] 方书山[2] 张晶晶[3] 余梦洋 

机构地区：[1]山东科技大学测绘科学与工程学院,山东青岛266590 [2]中国测绘科学研究院,北京100830 [3]四川省第一测绘工程院,成都610100

出　　处：《测绘科学》2016年第12期5-9,共5页Science of Surveying and Mapping

基　　金：国家自然科学基金项目(41304030);国家"863"计划项目(2015AA124001);室内位置服务应用示范系统项目(2016YFB0502105);科技部科技支撑计划项目(2012BAB16B01);中国第二代卫星导航系统重大专项(GFZX0301040308-06);国家测绘地理信息局科技项目(2016KJ0200);中国测绘科学研究院基本科研业务费项目(7771604);四川省北斗实时亚米级智能位置服务关键技术研究项目(2016KJ0205)

摘　　要：为了充分利用全球导航卫星系统资源,最大限度发挥北斗卫星导航系统的优势,向用户提供高精度、高可靠性和稳定性更好的服务,该文对BDS/GPS/GLONASS 3系统融合网格伪距差分定位性能进行了分析。运用该文阐述方法的原理进行实验分析,结果表明,3系统融合网格伪距差分定位较其他方案具有更高的定位精度、解算成功率,可见卫星数大幅度提高,可靠性和稳定性更优。In order to make full use of the global navigation satellite system resources,to maximize the advantages of the BeiDou satellite navigation system and provide high precision,high reliability and stability and better service to the users,the performance of grid pseudo-range differential positioning of BDS/GPS/GLONASS three system was analyzed.This paper introduced the principle of this method and analyzed the vehicle test.The results showed that the positioning accuracy and solution rate of grid pseudorange differential positioning of three system was higher than other scheme,the number of visible satellites was greatly improved,and the reliability and stability were better.

关 键 词：伪距差分 网格虚拟参考站 全球导航卫星系统 融合定位 

分 类 号：P228[天文地球—大地测量学与测量工程]