| 实时ICCP算法重力匹配仿真 |
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| 引用本文： | 童余德,边少锋,蒋东方,肖胜红.实时ICCP算法重力匹配仿真[J].中国惯性技术学报,2011,19(3). |
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| 作者姓名： | 童余德 边少锋 蒋东方 肖胜红 |
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| 作者单位： | 海军工程大学导航工程系,武汉,430033 |
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| 基金项目： | 国家自然科学基金项目，国家杰出青年基金项目 |
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| 摘 要： | 利用地球物理场进行辅助匹配导航是组合导航技术研究领域的新方向,该技术为水下潜器无源定位提供新的手段.迭代最近等值线算法作为重要的匹配导航算法之一,但存在实时性不强、搜索速度慢等缺点.考虑到以上两方面缺点,采用固定初始序列长度的方式对算法采样结构进行改善并推导出单点迭代公式,同时采用滑动窗搜索方式缩小搜索范围提高算法速度,最终实现实时ICCP算法设计.基于MATLAB平台下实现了实时ICCP算法重力匹配仿真系统,仿真系统采用0.4′×0.4′重力异常数据库.由仿真结果可以看出,该实时ICCP算法能够实现单点迭代,匹配结果能实时跟踪真实航迹且匹配精度能达到一个重力图网格.
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| 关 键 词： | 迭代最近等值线算法 重力匹配 辅助导航 实时 |
Gravity matching simulation of real-time ICCP algorithm |
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| TONG Yu-de,BIAN Shao-feng,JIANG Dong-fang,XIAO Sheng-hong.Gravity matching simulation of real-time ICCP algorithm[J].Journal of Chinese Inertial Technology,2011,19(3). |
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| Authors: | TONG Yu-de BIAN Shao-feng JIANG Dong-fang XIAO Sheng-hong |
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| Institution: | TONG Yu-de,BIAN Shao-feng,JIANG Dong-fang,XIAO Sheng-hong(College of Electrical Engineering and Information Engineering,Naval University of Engineering,Wuhan 430033,China) |
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| Abstract: | The aided navigation with geophysical field is a new research direction in integrated navigation technology,and it provides a new method for the autonomous and passive navigation of underwater vehicle.As one of the important matching navigation algorithms,the Iterative Closest Contour Point(ICCP) algorithm has some disadvantages such as bad real-time performance,low searching speed.With respect to the two limitations mentioned above,the way to fix length of the sample sequence is adopted to improve the samp... |
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| Keywords: | iterative closest contour point algorithm gravity matching aided navigation real-time |
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