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基于杂波的收发分置MIMO雷达阵列位置误差联合校正方法 预览 被引量:1

Joint Transmit and Receive Array Position Error Calibration for Bistatic MIMO Radar Based on Clutter
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摘要 针对收发分置多输入多输出(MIMO)雷达发射端和接收端均存在位置误差的问题,该文提出一种基于杂波回波的收发阵列位置误差联合校正方法。该方法以最小化杂波回波数据的重构均方误差为准则,在杂波散射系数1l范数稀疏约束下,利用双迭代与凸优化方法对杂波散射系数和阵列位置误差参数进行联合优化求解,最终完成了对收发阵列位置误差的同时估计与校正。仿真实验表明了所提算法的有效性。 The issue of position error estimation for transmit and receive array of a bistatic Multiple-Input Multiple-Output(MIMO) radar is investigated, and an algorithm for the joint estimation based on clutter echo is proposed. The algorithm is based on the criterion of minimizing the reconstruction mean-square error of clutter echo under the restraint of1l-norm of clutter coefficient. An alternately iterative and convex optimization algorithm is adopted to complete the estimation of clutter scattering coefficients and the position error of both transmit and receive arrays. The simulation results indicate the effectiveness of the proposed algorithm.
作者 刘源 纠博 刘宏伟 夏香根 Liu Yuan, Jiu Bo, Liu Hong-wei(National Laboratory of Radar Signal Processing, Xidian @(Department of Electrical and Computer Engineer, University Xia Xiang-gen University, Xi'an 710071, China) of Delaware, Newark, DE 19716, USA)
出处 《电子与信息学报》 EI CSCD 北大核心 2015年第12期2956-2963,共8页 Journal of Electronics & Information Technology
基金 国家自然科学基金(61271291,61201285) 中央高校基本科研业务费专项资金
关键词 MIMO雷达 位置误差 参数估计 稀疏重构 MIMO radar Position error Parameter estimation Sparse reconstruction
作者简介 刘源:男,1989年生,博士生,研究方向为MIMO雷达信号处理、自适应信号处理. 纠博:男,1982年生,博士,副教授,研究方向为自适应信号处理、雷达自动目标识别、认知雷达. 刘宏伟:男,1971年生,博士,教授,博士生导师,研究方向为雷达信号处理、雷达自动目标识别、认知雷达、协同探测. 夏香根:男,1963年生,博士,教授,博士生导师,研究方向为空时编码、MIMO和OFDM系统、SAR和ISAR成像.
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