Resolution Enhancement Method for Bistatic ISAR One-dimensional Range Profile Under Low SNR

Wenfeng CHEN; Mingjiu LÜ; Saiqiang XIA; Long XIANG; Jun YANG; Xiaoyan MA

doi:10.11999/JEIT180081

Volume 40 Issue 10

Sep. 2018

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Article Navigation > Journal of Electronics & Information Technology > 2018 > 40(10): 2484-2490

Wenfeng CHEN, Mingjiu LÜ, Saiqiang XIA, Long XIANG, Jun YANG, Xiaoyan MA. Resolution Enhancement Method for Bistatic ISAR One-dimensional Range Profile Under Low SNR[J]. Journal of Electronics & Information Technology, 2018, 40(10): 2484-2490. doi: 10.11999/JEIT180081

Citation:

Wenfeng CHEN, Mingjiu LÜ, Saiqiang XIA, Long XIANG, Jun YANG, Xiaoyan MA. Resolution Enhancement Method for Bistatic ISAR One-dimensional Range Profile Under Low SNR[J]. Journal of Electronics & Information Technology, 2018, 40(10): 2484-2490. doi: 10.11999/JEIT180081

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Resolution Enhancement Method for Bistatic ISAR One-dimensional Range Profile Under Low SNR

doi: 10.11999/JEIT180081

Air Force Early Warning Academy, Wuhan 430019, China

Funds: The National Natural Science Foundation of China (61671469)

Received Date: 2018-01-19
Rev Recd Date: 2018-05-22

Available Online: 2018-07-30

Publish Date: 2018-10-01

Abstract

Abstract

To solve the problem of declined resolution of Bistatic Inverse Synthetic Aperture Radar (B-ISAR) imaging by bistatic angle, a B-ISAR range profile resolution enhancement algorithm is put forward based on Multiple Measurement Vector (MMV) Complex Approximate Message Passing (MCAMP). The range joint sparse model is established. By utilizing vectorization operation, the joint sparse problem is converted into a block complex basis pursuit denoising problem. To achieve the range profile which is immune to bistatic angle influence, the MCAMP algorithm is proposed by using the Kronecker product. The Fast Fourier Transform (FFT) is introduced to instead of multiplication between matrix and matrix, which improves the efficiency of the proposed algorithm by reducing the computational complexity further. Simulation imaging results verify the effectiveness and efficiency of the proposed method.

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References(15)

References

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