改进的高动态GPS定位自适应卡尔曼滤波方法.pdf

第 28 卷　第 4 期 测　绘　学　报 . 28, . 4 V o l N o 　1999 年 11 月 A CTA GEODA ET ICA et CA R TO GRA PH ICA S IN ICA N ov. , 1999 ( ) 　　文章编号: 1999 中图分类号: P 228　　　　文献标识码:A 改进的高动态 GPS 定位自适应 卡尔曼滤波方法 胡国荣, 欧吉坤 ( 中国科学院测量与地球物理研究所, 湖北 武汉, 430077) The Im proved M ethod of Adaptive Kalman F ilter ing for GPS H igh K inematic Position ing , HU Guo rong OU J i kun ( , , , , 430077) Institu te of Geod esy Geop hy sics Ch inese A cad em y of S ciences H ubei W uhan : , Abstract W hen Kalm an F iltering is used in h igh k inem atic GPS po sitioning it is difficult to know the p roperties of k inem atic no ise and m easurem ent no ise. T herefo re, the imp roved m ethod of adap tive Kalm an F iltering fo r GPS h igh k inem atic po sitioning is p ropo sed in th is paper. T he theo retical analysis and num erical , , . results show that the m ethod has better num erical stability sm aller m emo ry and stronger adap tability : ; ; Key words Kalm an F iltering adap tability h igh k inem atic GPS po sitio