Direct signal cancelation in multistatic passive synthetic aperture radar based on DVB-T signal using compressed sensing algorithms

Document Type : Original Article

Authors

1 PhD student, Shiraz University of Technology, Shiraz, Iran

2 Associate Professor, Shiraz University of Technology, Shiraz, Iran

Abstract

In this paper, a new method is presented to cancel the direct signal in multistatic passive synthetic aperture radar using compressed sensing algorithm. The receiver is movable and the opportunity transmitters are fixed in the multistatic geometry. The opportunity transmitters are DVB-T for imaging. Multiple transmitters are used to improve the range resolution in the passive SAR. In this paper, first, a linear model for the multistatic passive SAR is extracted in the presence of the direct signal, and then they are canceled using compressed sensing algorithm. The amplitude of direct signal is considered complex in the extractive model. The simulation results also confirm that the compressed sensing algorithm for cancelling the direct signal has a good performance.

Keywords

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References

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Radar
Volume 10, Issue 2 - Serial Number 28
Number 28, Autumn and Winter Quarterly
January 2023

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History

  • Receive Date: 15 November 2022
  • Revise Date: 12 December 2022
  • Accept Date: 03 January 2023
  • Publish Date: 21 January 2023

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