| GPS单点定位动态滤波算法研究 |
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| 引用本文： | 周桃云,张怡,伍铁斌. GPS单点定位动态滤波算法研究[J]. 弹箭与制导学报, 2009, 29(2) |
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| 作者姓名： | 周桃云 张怡 伍铁斌 |
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| 作者单位： | 1. 湖南人文科技学院,湖南娄底,417000
2. 西北工业大学电子信息学院,西安,710072 |
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| 基金项目： | 湖南省自然科学联合基金(07JJ6105)资助 |
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| 摘 要： | 将卡尔曼最优估计理论应用于GPS导航定位系统，它主要针对高动态用户设计了一种基于卡尔曼最优估计理论的定位算法．采用卡尔曼滤波技术来提高动态GPS导航定位精度和动态性能；对最小二乘法和卡尔曼滤波法的定位系统进行了仿真，并对定位误差和测速误差作了比较分析。结果表明。与最小二乘法相比，动态卡尔曼滤波算法能得到较好的滤波效果．定位精度有了明显提高。
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| 关 键 词： | GPS 最小二乘算法 卡尔曼滤波算法 高动态 |
Research on Dynamic Filtering Algorithm of GPS Singal Positioning |
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| ZHOU Taoyun,ZHANG Yi,WU Tiebin. Research on Dynamic Filtering Algorithm of GPS Singal Positioning[J]. Journal of Projectiles Rockets Missiles and Guidance, 2009, 29(2) |
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| Authors: | ZHOU Taoyun ZHANG Yi WU Tiebin |
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| Affiliation: | 1 Hunan Institute of Humanities Science and Technology;Hunan Loudi 417000;China;2 School of Electronics and Information;Northwestern Polytechnical University;Xi'an 710072;China |
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| Abstract: | Applying Kalman optimal estimation theory to GPS navigation and positioning system,it has designed a positioning algorithm which bases on Kalman optimal estimation theory for high-dynamic users.The Kalman filtering technology studied here is mainly used in high-dynamic flight of aviation system.Finally,it has simulated the positioning system which adopts least squares algorithm and Kalman filtering algorithm individually,and has compared their positioning error and speeding error.The simulaition results sho... |
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| Keywords: | GPS least-squares algorithm Kalman filtering algorithm high dynamic |
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