Adaptive S-method for SAR/ISAR imaging

  • Authors:

  • LJubiša Stankovic;Thayananthan Thayaparan;Vesna Popovic;Igor Djurovic;Miloš Dakovic

  • Affiliations:

  • Electrical Engineering Department, University of Montenegro, Podgorica, Montenegro, Serbia and Montenegro;Radar Applications and Space Technology, Defence Research and Development, Ottawa, Ontario, Canada;Electrical Engineering Department, University of Montenegro, Podgorica, Montenegro, Serbia and Montenegro;Electrical Engineering Department, University of Montenegro, Podgorica, Montenegro, Serbia and Montenegro;Electrical Engineering Department, University of Montenegro, Podgorica, Montenegro, Serbia and Montenegro

  • Venue:
  • EURASIP Journal on Advances in Signal Processing
  • Year:
  • 2008

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Abstract

We propose the adaptive S-method-based technique for imaging of SAR and ISAR targets. This approach can be applied in the 1D and 2D modes. It is a postprocessing technique, since the first stage is the standard radar imaging with the 2D Fourier transform. In addition, selection of the adaptive parameter in this technique is efficient and can be performed based on simple rules in real time. The proposed technique produces highly concentrated (focused) radar image without interferences commonly associated with time-frequency representations and without defocusing target images that are already focused in the 2D Fourier domain.