| 基于改进EX的机动雷达误差配准算法 |
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| 引用本文： | 崔亚奇,宋强,何友.基于改进EX的机动雷达误差配准算法[J].宇航学报,2011,32(4). |
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| 作者姓名： | 崔亚奇 宋强 何友 |
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| 作者单位： | 海军航空工程学院信息融合技术研究所,烟台,264001 |
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| 基金项目： | 国家自然科学基金，中国自然基金重点项目 |
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| 摘 要： | 针对EX(Exact Method)算法的大计算量和耗时对其工程应用造成的不利影响,提出了一种改进的EX算法(MEX算法),通过优化EX算法的算法结构,消除其存在的冗余运算,提高了实时性;为解决机动雷达情况下的误差配准问题,通过改进MEX算法以适应系统存在姿态角系统误差的特点,提出了扩展的MEX算法(EMEX算法);把EMEX算法推广应用到多机动雷达情况下的系统误差估计中,得到了采用集中式融合结构的EMEX算法(CEMEX算法).为验证提出算法的正确性和有效性,对算法进行蒙特卡洛仿真比较,结果表明,MEX算法在保持EX算法估计性能不变的前提下,大大减少了算法耗时,提高了EX算法的估计效率;EMEX算法能够有效地估计出机动雷达的各种系统误差;CEMEX算法能够有效地融合多部雷达量测的信息,具有良好的系统误差估计性能.
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| 关 键 词： | 误差配准 EX算法 信息融合 雷达网 |
A Modified Exact Method-Based Mobile Radar Registration Algorithm |
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| CUI Ya-qi,SONG Qiang,HE You.A Modified Exact Method-Based Mobile Radar Registration Algorithm[J].Journal of Astronautics,2011,32(4). |
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| Authors: | CUI Ya-qi SONG Qiang HE You |
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| Institution: | CUI Ya-qi,SONG Qiang,HE You(Research Institute of Information Fusion,Naval Aeronautical and Astronautical University,Yantai 264001,China) |
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| Abstract: | To overcome adverse effects caused by the high computational cost and time consumption of the EX algorithm in the engineering application,a modified exact method(MEX) is proposed to save the time consumption and improve the efficiency of exact method by optimizing the algorithm structure and removing the redundant calculation of exact method.To resolve the registration problem in the mobile radars' environment,an extended modified exact method(EMEX) is proposed by considering the new characteristics that mo... |
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| Keywords: | Registration Exact method Information fusion Radar network |
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