Nonperiodic interrupted sampling repeater jamming suppression for inverse synthetic aperture radar

doi:10.23919/JSEE.2024.000014

Abstract

Abstract: Nonperiodic interrupted sampling repeater jamming (ISRJ) against inverse synthetic aperture radar (ISAR) can obtain two-dimensional blanket jamming performance by joint fast and slow time domain interrupted modulation, which is obviously different from the conventional multi-false-target deception jamming. In this paper, a suppression method against this kind of novel jamming is proposed based on inter-pulse energy function and compressed sensing theory. By utilizing the discontinuous property of the jamming in slow time domain, the unjammed pulse is separated using the intra-pulse energy function difference. Based on this, the two-dimensional orthogonal matching pursuit (2D-OMP) algorithm is proposed. Further, it is proposed to reconstruct the ISAR image with the obtained unjammed pulse sequence. The validity of the proposed method is demonstrated via the Yake-42 plane data simulations.

Key words: jamming suppression, compressed sensing (CS), interrupted sampling repeater jamming (ISRJ), energy function, inverse synthetic aperture radar (ISAR)

Qihua WU, Feng ZHAO, Tiehua ZHAO, Xiaobin LIU, Zhiming XU, Shunping XIAO. Nonperiodic interrupted sampling repeater jamming suppression for inverse synthetic aperture radar[J]. Journal of Systems Engineering and Electronics, doi: 10.23919/JSEE.2024.000014.

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