Synthetic aperture radar clutter reduction system

  • US 5,546,084 A
  • Filed: 07/17/1992
  • Issued: 08/13/1996
  • Est. Priority Date: 07/17/1992
  • Status: Expired due to Term
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First Claim
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1. A method for reducing clutter in synthetic aperture radar (SAR) images of the ocean surface, the method comprising the steps of:

  • obtaining spotlight mode SAR images of a selected patch of the ocean surface;

    computing an estimate of the ocean surface parameters of the patch of the ocean surface as it was at the time that the spotlight mode SAR images were obtained; and

    modifying the spotlight mode SAR images, based on the ocean surface parameters, to remove distortion effects caused by movements in the ocean surface, and to produce clutter-reduced SAR images.

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