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Sensors 2018, 18(7), 2265; https://doi.org/10.3390/s18072265

Deceptive Jamming Detection for SAR Based on Cross-Track Interferometry

1
School of Electronic and Information Engineering, Beihang University, Beijing 100191, China
2
CASIC, Hepingli South Street, Dongcheng District, Beijing 100013, China
3
Electronic and Electrical Engineering Department, University of Sheffield, Sheffield S1 3JD, UK
*
Author to whom correspondence should be addressed.
Received: 17 April 2018 / Revised: 23 May 2018 / Accepted: 23 May 2018 / Published: 13 July 2018
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Abstract

Deceptive jamming against synthetic aperture radar (SAR) can create false targets or deceptive scenes in the image effectively. Based on the difference in interferometric phase between the target and deceptive jamming signals, a novel method for detecting deceptive jamming using cross-track interferometry is proposed, where the echoes with deceptive jamming are received by two SAR antennas simultaneously and the false targets are identified through SAR interferometry. Since the derived false phase is close to a constant in interferogram, it is extracted through phase filtering and frequency detection. Finally, the false targets in the SAR image are obtained according to the detected false part in the interferogram. The effectiveness of the proposed method is validated by simulation results based on the TanDEM-X system. View Full-Text
Keywords: deceptive jamming detection; synthetic aperture radar; electronic counter-countermeasure; synthetic aperture radar interferometry deceptive jamming detection; synthetic aperture radar; electronic counter-countermeasure; synthetic aperture radar interferometry
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).
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Feng, Q.; Xu, H.; Wu, Z.; Liu, W. Deceptive Jamming Detection for SAR Based on Cross-Track Interferometry. Sensors 2018, 18, 2265.

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