双基地MIMO雷达目标定位及互耦自校正算法

doi:10.3969/j.issn.1001-2400.2012.05.012

Abstract

Abstract:

By exploiting the banded symmetric and Toeplitz matrix model for the mutual coupling of uniformly linear array(ULA), an ESPRIT-based target localization and mutual coupling self-calibration algorithm is proposed for bistatic MIMO radar. The 2-dimensional (2-D) angles and mutual coupling parameters can be decoupled by smart choosing of subarrays for the ESPRIT method, and favorable 2-D angle estimation can be provided without the knowledge of the sensor mutual coupling matrix. Based on the estimated 2-D angles, an accurate estimation of the mutual coupling matrix can also be achieved for the self-calibration of bistatic MIMO radar. The 2-D angles estimation and mutual coupling estimation could be completed without any angle-searching and iterative procedure, so its computational burden is low. The correction and efficiency of the proposed algorithm are verified by the computer simulation results.

Key words: bistatic MIMO radar, localization, mutual coupling, self-calibration

CLC Number:

TN957

GUO Yiduo;ZHANG Yongshun;ZHANG Linrang;TONG Ningning. Fast target localization and the mutual coupling self-calibration algorithm for bistatic MIMO radar[J].J4, 2012, 39(5): 66-71+90.

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Fast target localization and the mutual coupling self-calibration algorithm for bistatic MIMO radar

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