摘要
探讨基于相关分析理论的组合导航RIAM方法,并给出单个和多个探测粗差的相关分析检验流程。通过模拟12颗GPS和Galileo组合导航卫星定位系统,分别给单颗和两颗正常卫星加入粗差。仿真结果表明:观测值的影响向量与残差的相关系数可以定位含粗差的卫星并将粗差卫星予以剔除。
The principle, calculation method of correlation coefficient, and its significance test were described Focusing on integrated navigation RAIM model, the integrated navigation RAIM method based on correlation analysis theory was probed, testing process of single and multiple gross errors detection was presented. By simulating the 12 GPS and Galileo navigation satellite positioning system, outliers were added to single and two satellites, respectively. Simulation results show that the correlation coefficient of observations＇ influence vector and residual error can locate and remove satellites which contain gross errors, improving the navigation positioning accuracy.
出处
《大地测量与地球动力学》
CSCD
北大核心
2011年第4期139-143,共5页
Journal of Geodesy and Geodynamics
基金
国家自然科学青年基金(40904004)
国家自然科学基金(41074010)
江苏省自然科学基金(BK2009099)
教育部留学回国人员科研启动基金
教育部博士点基金(新教师)(200802901516)
国土环境与灾害监测国家测绘局重点实验室开放基金(LEDM2009A01
LEDM2010B12)
江苏省"青蓝工程"基金
关键词
相关分析
相关系数
粗差探测
组合导航
RAIM
correlation analysis
correlation coefficient
gross error detection
integrated navigation
RAIM
