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首页> 外文期刊>Mathematical Problems in Engineering: Theory, Methods and Applications >Computationally Efficient Unitary ESPRIT Algorithm in Bistatic MIMO Radar
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Computationally Efficient Unitary ESPRIT Algorithm in Bistatic MIMO Radar

机译：Computationally Efficient Unitary ESPRIT Algorithm in Bistatic MIMO Radar

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摘要

A low complexity unitary estimating signal parameter via rotational invariance techniques (ESPRIT) algorithm is presented for angle estimation in bistatic multiple-input-multiple-output (MIMO) radar. The devised algorithm only requires calculating two submatrices covariance matrix, which reduces the computation cost in comparison with subspace methods. Moreover, the signal subspace can be efficiently acquired by exploiting the NystrOm method, which only needs O(MNK2) flops. Thus, the presented algorithm has an essentially diminished computational effort, especially useful when K N, while it can achieve efficient angle estimation accuracy as well as the existing algorithms. Several theoretical analysis and simulation results are provided to demonstrate the usefulness of the proposed scheme.

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