| 地磁异常匹配辅助导航的研究 |
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| 引用本文： | 马彪,王向磊. 地磁异常匹配辅助导航的研究[J]. 测绘科学, 2012, 37(6): 133-134,71 |
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| 作者姓名： | 马彪 王向磊 |
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| 作者单位： | 信息工程大学测绘学院,郑州,450052 |
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| 摘 要： | 本文研究了地磁异常匹配辅助导航的基本原理,对其关键技术进行了分析,对系统建立了状态方程和观测方程,并给出了一个实例,利用EKF进行了数据融合处理,仿真结果表明地磁异常匹配辅助导航可以有效修正惯导的误差,大大降低了惯导的导航误差。
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| 关 键 词： | 地磁异常 扩展卡尔曼滤波 数据融合 匹配导航 |
Study on geomagnetic anomaly matching aided navigation |
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| MA Biao , WANG Xiang-lei. Study on geomagnetic anomaly matching aided navigation[J]. Science of Surveying and Mapping, 2012, 37(6): 133-134,71 |
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| Authors: | MA Biao WANG Xiang-lei |
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| Affiliation: | (Institute of Surveying and Mapping,Information Engineering University,Zhengzhou 450052,China) |
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| Abstract: | The principle of geomagnetic anomaly matching navigation was presented in the paper,its key technologies were analyzed,system state equation and observe equation were built in the paper.Last,one application was presented,where data fusing was made using EKF.The simulation results indicated that geomagnetic anomaly matching aided navigation could revise INS error effectively,reduce navigation error greatly. |
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| Keywords: | geomagnetic anomaly EKF data fusing matching navigation |
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