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CFAR Detection from Noncoherent Radar Echoes Using Bayesian Theory

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Abstract

We propose a new constant false alarm rate (CFAR) detection method from noncoherent radar echoes, considering heterogeneous sea clutter. It applies the Bayesian theory for adaptive estimation of the local clutter statistical distribution in the cell under test. The detection technique can be readily implemented in existing noncoherent marine radar systems, which makes it particularly attractive for economical CFAR detection systems. Monte Carlo simulations were used to investigate the detection performance and demonstrated that the proposed technique provides a higher probability of detection than conventional techniques, such as cell averaging CFAR (CA-CFAR), especially with a small number of reference cells.

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Correspondence to Hiroyuki Yamaguchi.

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Open Access This article is distributed under the terms of the Creative Commons Attribution 2.0 International License (https://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Yamaguchi, H., Suganuma, W. CFAR Detection from Noncoherent Radar Echoes Using Bayesian Theory. EURASIP J. Adv. Signal Process. 2010, 969751 (2010) doi:10.1155/2010/969751

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Keywords

  • Radar
  • Monte Carlo Simulation
  • Detection Method
  • Quantum Information
  • Detection Technique