MIMO双基地雷达多目标角度-多普勒频率联合估计

Abstract

Abstract:

In order to implement the multi-parameter estimation for the bistatic radar without any synchronization,a multi-targets signal model of the MIMO bistatic radar is set up and a joint angles-Doppler frequencies estimation algorithm for multi-targets is proposed. In the algorithm, the virtual array data of multitarget echoes in MIMO receivers is first uncorrelated, then a special matrix based on the propagation operator constructed, and finally the joint estimation of the DODs, DOAs and Doppler frequencies can be obtained by the corresponding relationships between the eigenvalue or eigenvector and the estimated parameters. The proposed algorithm does not need the multi-dimensional nonlinear peak search, and only needs an eigenvalue decomposition, and the estimated parameters of the targets can be paired automatically. The correctness and effectiveness of the proposed method are verified with computer simulation.

Key words: bistatic radar, MIMO radar, multi-parameters estimation, targets localization

ZHANG Yongshun;NIU Xinliang;ZHAO Guoqing;GUO Yiduo. Joint estimation of multi-targets angles-Doppler frequencies for the MIMO bistatic radar[J].J4, 2011, 38(1): 16-21.

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Joint estimation of multi-targets angles-Doppler frequencies for the MIMO bistatic radar

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