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TS/GPS/Galileo多星座组合定位系统Kalman滤波算法研究

A Study of the Kalman Filter Algorithm for TS/GPS/Galileo Combined System
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摘要 给出了北斗改进系统(TS)的Kalman滤波模型,进一步研究了用于TS/GPS/Galileo多星座组合系统的扩展Kalman滤波算法,给出了共用系统Kalman滤波器的结构及工作原理图。对仿真结果的分析表明,该组合系统的Kalman滤波模型是可用的,它提高了北斗系统的定位性能,并且在相同的误差条件下,该算法与最小二乘法相比,其估计结果具有较高的精度和鲁棒性。 The Kalman modal of the three-satellites（TS） system was presented, then the extended Kalman filter algorithm for TS/GPS/Galileo system was studied and the structure of the Kalman filter considering the characteristics of the combined system is given. The results show that the model of the Kalman filter is feasible ,and under the same error condition, it is more accuracy and robust than the Least square method.
作者 张志荣 范胜林 刘建业
机构地区 南京航空航天大学自动化学院
出处 《弹箭与制导学报》 CSCD 北大核心 2007年第4期89-91,共3页 Journal of Projectiles,Rockets,Missiles and Guidance
关键词 GPS 卡尔曼滤波 定位误差 组合系统 GPS Kalman filter positioning error combined system
分类号 V249.328 [航空宇航科学与技术—飞行器设计]
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弹箭与制导学报
2007年 第4期

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