Target localization method for the bistatic MIMO radar in the presence of mutual coupling of receiver and transmitter arrays

被引：0
作者：
Guo Y. [1 ]
Zhang Y. [1 ]
Zhang L. [2 ]
Tong N. [1 ]
机构：
[1] Missile Institute, Air Force Eng. Univ.
[2] National Key Lab. of Radar Signal Processing, Xidian Univ.
来源：
Xi'an Dianzi Keji Daxue Xuebao/Journal of Xidian University | 2011年 / 38卷 / 06期
关键词：
Array signal processing; MIMO radar; Mutual coupling; Target localization;
D O I：
10.3969/j.issn.1001-2400.2011.06.013
中图分类号：
学科分类号：
摘要：
By using the banded symmetric and Toeplitz matrix model for the mutual coupling of uniformly linear array(ULA), a subspace-based target localization and mutual coupling self-calibration method is proposed for the bistatic MIMO radar. The new algorithm can "decouple" the 2-dimensional (2-D) angles and mutual coupling parameters, and provide a similar estimated performance to 2-D MUSIC without the knowledge of the sensor mutual coupling matrix. At the same time, an accurate estimate of mutual coupling matrix based on the estimated 2-D angles can also be achieved simultaneously for self-calibration of the bistatic MIMO radar. The 2-D angles estimation and mutual coupling estimation can be completed just using one-dimensional search or polynomial rooting, with no high-dimensional nonlinear search and convergence burden involved, so the computational cost is low. The correction and efficiency of the proposed method are verified by computer simulation results.
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页码：82 / 88
页数：6
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