基于方位的无源相干定位中加权矩阵求解方法  被引量:2

Weighted least squares method for solving passive coherent location based on bearing

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作  者:赵闯[1] 赵拥军[1] 骆丽萍 ZHAO Chuang;ZHAO Yongjun;LUO Liping(Institute of Data and Target Engineering,Information Engineering University,Zhengzhou Henan 450000,China)

机构地区:[1]解放军战略支援部队信息工程大学数据与目标工程学院

出  处:《太赫兹科学与电子信息学报》2020年第1期82-88,94,共8页Journal of Terahertz Science and Electronic Information Technology

基  金:国家自然科学基金资助项目(61501513;61701433)

摘  要:针对多基地无源雷达中对单目标的定位问题,提出一种利用角度信息的加权最小二乘定位算法。设计了基于角度的目标定位模型,并根据不同的角度测量噪声设计了加权矩阵,进行了误差分析并推导了算法的Cramer-Rao界。仿真分析表明,本文算法优于同类算法,并且以3个接收站与一个外辐射源为例,给出了最佳位置配置建议。To solve the problem of single target localization in multistatic passive radar,a weighted least square localization algorithm based on angle information is proposed.The target location model based on angle is designed,and the weighting matrix is designed according to different angle measurement noises.Then the error analysis is carried out and the Cramer-Rao bound of the algorithm is derived.The simulation results show that the proposed algorithm is superior to the same class algorithm,and the optimal location configuration is given by taking three receiving stations and one emitter.

关 键 词:多基地无源雷达系统 角度信息 误差分析 

分 类 号:TN958.97[电子电信—信号与信息处理]

 

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