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PRE-FILTERING FOR CLUTTER REJECTION IN BEAMSPACE STAP
 

Summary: PRE-FILTERING FOR CLUTTER REJECTION IN
BEAMSPACE STAP
Mehdi Khanpour-Ardestani, Dept. of Elec. and Comp. Eng., University of Toronto
Raviraj S. Adve, Ph. D., Dept. of Elec. and Comp. Eng., University of Toronto
Michael C. Wicks, Ph.D., Sensors Directorate, US Air Force Research Laboratory
Key Words: Space-Time Adaptive Processing, Pre-filtering, Clutter Rejection.
ABSTRACT
Several space-time adaptive processing algorithms have
been proposed to detect weak targets in the presence of strong
interference, especially clutter and jamming. Except for
Displaced Phase Center Array (DPCA) processing, radar
signal processing algorithms ignore the fact that the location
of the clutter ridge in angle-Doppler space is known, given
the platform speed and direction. This paper introduces our
attempt to exploit this a priori knowledge in conjunction with
the joint domain localized processing algorithm. Using a two-
dimensional filter, clutter is rejected in a first, non-adaptive
stage, followed by adaptive processing in the angle-Doppler
domain.
1. INTRODUCTION

  

Source: Adve, Raviraj - Department of Electrical and Computer Engineering, University of Toronto

 

Collections: Engineering