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基于ICCP算法的地磁匹配定位方法 被引量:5

Geomagnetic Localization Based on ICCP Algorithm
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摘要 基于ICCP算法的地磁匹配定位可以用于限制惯导系统随时间增长的位置误差。给出ICCP算法的设计思想并进行推广,使算法能够在地磁测量数据存在误差的情况下,实现对惯导的误差校正。同时采用滑动窗口技术来快速寻找等值线上的最近点,在每一次收敛到局部最小的过程中都减少了寻找最近点的计算量,计算效率得以很大程度的提高。 The geomagnetic localization based on the ICCP algorithm can be used to bind the position errors inherent in Inertial Navigation System (INS), which increases with time. The central thought of the algorithm is given in this paper and have been improved in some parts. The algorithm can realize the error correction of INS under the noise of geomagnetic measurement data. The second is to reckon the closest points by use of gliding window technique so as to reduce the computation cost in reckoning the closest points in each time of converging to local minimums. The efficiency of computing is improved.
出处 《现代电子技术》 2008年第20期122-124,127,共4页 Modern Electronics Technique
基金 国防科技重点预研项目(51309060301)
关键词 ICCP算法 自主无源导航 地磁匹配 误差校正 ICCP algorithm autonomous and passive navigation geomagnetic matching error correction
作者简介 李豫泽 男,1982年出生,湖北洪湖人,硕士研究生。主要从事智能导航定位、地磁测量方面的研究。 石志勇 男,1965年出生,四川仁寿人,副教授,博士。主要从事现代检测、导航定位、地磁测量方面的研究。
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