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

doi:10.3969/j.issn.1000-1093.2015.08.016

Abstract

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

CLC Number:

TN958

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.

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