匹配滤波器失配下的双基地多输入多输出雷达多目标角度估计

doi:10.3969/j.issn.1000-1093.2015.08.016

兵工学报 ›› 2015, Vol. 36 ›› Issue (8): 1487-1493.doi: 10.3969/j.issn.1000-1093.2015.08.016

匹配滤波器失配下的双基地多输入多输出雷达多目标角度估计

黄中瑞，张剑云，周青松，牛朝阳

(电子工程学院，安徽合肥 230037)

收稿日期:2014-10-21 修回日期:2014-10-21 上线日期:2015-10-16
作者简介:黄中瑞（1988—），男，博士研究生
基金资助:
国家自然科学基金项目（61201279）；安徽省自然科学基金项目（1408085MF128）

Multitarget Angle Estimation for Bistatic MIMO Radar under the Missmatch of Matching Filter

HUANG Zhong-rui, ZHANG Jian-yun, ZHOU Qing-song, NIU Zhao-yang

(Electronic Engineering Institution, Hefei 230037, Anhui, China)

Received:2014-10-21 Revised:2014-10-21 Online:2015-10-16

摘要/Abstract

摘要： 提出了基于匹配滤波器失配的双基地多输入多输出（MIMO）雷达多目标角度估计算法。建立了存在时延、多普勒频率补偿误差情形下的双基地MIMO雷达模型。采用交替迭代的思想，将发射角、时延补偿误差和多普勒频率补偿误差的参数估计问题转化为一个二次规划问题并求解出发射角。用ESPRIT算法估计目标的接收角，并且实现了收发角度的自动配对。仿真实验证明了ESPRIT算法的有效性。此外在附录中推导了本文信号模型下的克拉美罗界。提出了基于匹配滤波器失配的双基地多输入多输出（MIMO）雷达多目标角度估计算法。建立了存在时延、多普勒频率补偿误差情形下的双基地MIMO雷达模型。采用交替迭代的思想，将发射角、时延补偿误差和多普勒频率补偿误差的参数估计问题转化为一个二次规划问题并求解出发射角。用ESPRIT算法估计目标的接收角，并且实现了收发角度的自动配对。仿真实验证明了ESPRIT算法的有效性。此外在附录中推导了本文信号模型下的克拉美罗界。

关键词: 雷达工程, 双基地多输入多输出雷达, 匹配滤波器失配, 二次规划, 克拉美罗界, ESPRIT算法

Abstract: A new method for multitarget angle estimation for bistatic multiple-input multiple-output (MIMO) radar based on mismatch filter is proposed. A signal model is built for delay and Doppler frequency offset errors of bistatic MIMO radar. The parameter estimation of direction of departure (DOD), delay errors and Doppler frequency offset errors is converted into a quadratic programing (QP) problem and solved via the alternating iterative algorithm, and then the DOD can be estimated. The direction of arrival (DOA) is estimated via ESPRIT algorithm. The automatic pairing of DODs and DOAs can be realized without pairing algorithm. The efficiency of the proposed method is verified through the computer simulation. The Cramer-Rao bound (CRB) of the proposed MIMO radar signal model is derived in the appendix.

Key words: radar engineering, bistatic multiple-input multiple-output radar, mismatch filter, quadratic programing, Cramer-Rao bound, ESPRIT algorithm

中图分类号:

TN958

黄中瑞，张剑云，周青松，牛朝阳. 匹配滤波器失配下的双基地多输入多输出雷达多目标角度估计[J]. 兵工学报, 2015, 36(8): 1487-1493.

HUANG Zhong-rui, ZHANG Jian-yun, ZHOU Qing-song, NIU Zhao-yang. Multitarget Angle Estimation for Bistatic MIMO Radar under the Missmatch of Matching Filter[J]. Acta Armamentarii, 2015, 36(8): 1487-1493.

参考文献

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匹配滤波器失配下的双基地多输入多输出雷达多目标角度估计

Multitarget Angle Estimation for Bistatic MIMO Radar under the Missmatch of Matching Filter

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