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New methods for handling the range dependence of the clutter spectrum in non-sidelooking monostatic STAP radars

Authors
Publication Date
Keywords
  • Radar
  • Stap
  • Signal Processing
  • Engineering
  • Computing & Technology :: Electrical & Electronics Engineering [C06]
  • Ingénierie
  • Informatique & Technologie :: Ingénierie électrique & électronique [C06]
Disciplines
  • Mathematics

Abstract

We address the problem of detecting slow-moving targets using a non-sideloking monostatic space-time adaptive processing (STAP) radar. The construction of optimum weights at each range implies the estimation of the clutter covariance matrix. This is typically done by straight averaging of neighboring data snapshots. The range-dependence of these snapshots generally results in poor performance. We present two new methods that handle the rangedependence by exploiting the geometry of the direction-Doppler curves.

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