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Journal of RF-Engineering and Telecommunications

Editor-in-Chief: Jakoby, Rolf

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Volume 68, Issue 3-4


A New Model of CFAR Detector

Dejan Ivković / Milenko Andrić / Bojan Zrnić
Published Online: 2014-01-31 | DOI: https://doi.org/10.1515/freq-2013-0087


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.

Keywords: CFAR detection; radar target; clutter; software radar receiver

About the article

Received: 2013-07-04

Published Online: 2014-01-31

Published in Print: 2014-03-01

Citation Information: Frequenz, Volume 68, Issue 3-4, Pages 125–136, ISSN (Online) 2191-6349, ISSN (Print) 0016-1136, DOI: https://doi.org/10.1515/freq-2013-0087.

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