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      Intermittent Sampling Repeater Shading Jamming Method Based on Motion Modulation for SAR-GMTI

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          Abstract

          In this paper, we present a shading jamming method for the Synthetic Aperture Radar and Ground Moving Target Indicator (SAR-GMTI). This method begins with intermittently sampling intercepted SAR signals, performing motion modulation, and then transmitting them. The motion modulation of SAR signals can produce a motion modulation effect and intermittent sampling repeater jamming can produce multi-fronted and lagged false targets along a range. Their combination provides a jamming effect of smart shading areas, which can’t be cancelled after multi-channel cancelling. The uniqueness of this jamming method is that the energy only appears on the moving target to be covered, so less jamming energy is needed. We analyzed the proposed jamming principle against GMTI using the tri-channel interference cancelling technique. Our simulation results verify our analyses and confirm its jamming effectiveness for SAR-GMTI.

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          Author and article information

          Journal
          Journal of Radars
          Chinese Academy of Sciences
          01 August 2017
          : 6
          : 4
          : 359-367
          Affiliations
          [1 ] (Laboratory 503, National University of Defense Technology, Hefei 230037, China)
          Article
          4c4960006dfe4d8ca34e889e4b2ba36c
          10.12000/JR16075

          This work is licensed under a Creative Commons Attribution 4.0 Unported License. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/

          Categories
          Technology (General)
          T1-995

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