Volume 6 Issue 4
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Article Navigation >  Journal of Radars  > 2017  >  6(4): 359-367
Zhou Yang, Bi Daping, Shen Aiguo, Fang Mingxing. Intermittent Sampling Repeater Shading Jamming Method Based on Motion Modulation for SAR-GMTI[J]. Journal of Radars, 2017, 6(4): 359-367. doi: 10.12000/JR16075
Citation: Zhou Yang, Bi Daping, Shen Aiguo, Fang Mingxing. Intermittent Sampling Repeater Shading Jamming Method Based on Motion Modulation for SAR-GMTI[J]. Journal of Radars, 2017, 6(4): 359-367. doi: 10.12000/JR16075
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Intermittent Sampling Repeater Shading Jamming Method Based on Motion Modulation for SAR-GMTI

DOI: 10.12000/JR16075

  • Laboratory 503, National University of Defense Technology, Hefei 230037, China

Funds:  The National Natural Science Foundation of China (61671453), The Advanced Project of PLA General Equipment Department Foundation of China (5133030103)
  • Received Date: 2016-05-27
  • Rev Recd Date: 2017-07-03
  • Publish Date: 2017-08-28
    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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