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An Interrupted Sampling Scattered Wave Deception Jamming Method against Three-Channel SAR GMTI

Author

Listed:
  • Xin Chang
  • Chunxi Dong
  • Gao Weichen
  • Yan Zhao

Abstract

An important problem is how to generate false moving targets, whose relocated azimuth position is similar to that of real moving targets. To solve this problem, an interrupted sampling scattered wave deception jamming method against three-channel synthetic aperture radar ground moving target indication (SAR GMTI) is proposed. A stationary jammer uses a controllable jammer antenna to generate verisimilar moving targets by controlling velocity and initial position of jammer beam footprint. The antenna sampled moves along the different tracks. For each track, the slant history of jamming signal is changed varying with different pulse recurrence intervals (PRI), and the movement of the footprint will introduce a Doppler frequency in jamming the signal. By analyzing parameters’ difference between echoes and jamming signal, the velocity and the initial position of the footprint will be calculated, and then the verisimilar false targets are generated. The effectiveness of the method is verified by simulation experiments.

Suggested Citation

  • Xin Chang & Chunxi Dong & Gao Weichen & Yan Zhao, 2020. "An Interrupted Sampling Scattered Wave Deception Jamming Method against Three-Channel SAR GMTI," Mathematical Problems in Engineering, Hindawi, vol. 2020, pages 1-13, July.
    • Handle: RePEc:hin:jnlmpe:1760573
    DOI: 10.1155/2020/1760573
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