%0 Journal Article
%T KALMAN ALGORITHM CONSTRAINTED BY MAP INFORMATION APPLIED TO GPS/DR INTEGRATED NAVIGATION<br>附有地图信息约束的GPS/DR组合导航系统Kalman滤波算法
%A Lin Dongfang
%A Song Yingchun
%A Xiao Qinqin
%A Du Kun
%A <br>林东方
%A 宋迎春
%A 肖琴琴
%A 杜琨
%J 大地测量与地球动力学
%D 2012
%I 
%X In the GPS/DR integrated navigation,the signals of GPS are easy to be blocked by the ground objects,so the signal receiving to be interrupted and GPS positioning is suspended,DR system runs separately.In that case,the direction sensor errors of the DR system accumulate with time,which greatly affects the navigation accuracy.By making the map information be a constraint integrated into the navigation system algorithm,then it restricts the direction sensor errors of the DR system accumulate with time and effectively improve the positioning accuracy.
%K map information
%K integrated navigation
%K EKF
%K statistical model
%K DR navigation system<br>地图信息
%K 组合导航
%K 扩展Kalman滤波
%K 统计模型
%K DR导航系统
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=E62459D214FD64A3C8082E4ED1ABABED5711027BBBDDD35B&cid=DA72A78627FE64EAA572951EA05D274A&jid=73A1A428591E600EF664B596512A2997&aid=08E77DC9FB8896FC3CA4D8242E95E233&yid=99E9153A83D4CB11&vid=9971A5E270697F23&iid=CA4FD0336C81A37A&sid=7C72DBC13F2D71EC&eid=5E25104E99903E8A&journal_id=1671-5942&journal_name=大地测量与地球动力学&referenced_num=0&reference_num=8