A generalized switching CFAR processor based on test cell statistics |
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Authors: | Leila Tabet Faouzi Soltani |
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Affiliation: | (1) Electrical Engineering Department, Faculty of Engineering, Al Azhar University, Nasr City, Cairo, Egypt |
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Abstract: | In this paper, a new constant false alarm rate (CFAR) thresholding algorithm which is a generalisation of the switching CFAR
(S-CFAR) that takes into account the statistics of the sample in the test cell for reference sample selection is proposed.
It employs a composite approach based on the switching CFAR and the order statistic CFAR (OS-CFAR). A mathematical analysis
in a homogeneous environment is provided for this detector. The results obtained show that the detection performance of the
generalised S-CFAR (GS-CFAR) is improved both in homogenous background and non-homogenous environment caused by interfering
targets and clutter edge. |
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Keywords: | |
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