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A New Model of CFAR Detector

  • Dejan Ivković EMAIL logo , Milenko Andrić and Bojan Zrnić
Published/Copyright: January 31, 2014
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Abstract

This paper presents a new model of the CFAR (Constant False Alarm Rate) detector. Mentioned CFAR detector is named cell-averaging-trimmed-mean CFAR (CATMCFAR), which is a combination of cell-averaging CFAR and trimmed mean CFAR. It is implemented in the receiver of the software defined radar. Expressions for the probability of detection, the probability of false alarm and the average decision threshold are derived. The article presents detection of simulated radar targets in Weibull clutter and real radar targets in real clutter and compares characteristics of new CATM-CFAR with some realized well known CFAR detectors.

Received: 2013-7-4
Published Online: 2014-1-31
Published in Print: 2014-3-1

©2014 by Walter de Gruyter Berlin/Boston

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