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      An Intelligent Nonparametric GS Detection Algorithm Based on Adaptive Threshold Selection

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          Abstract

          In modern radar systems, the clutter’s statistic characters are unknown. With this clutter, the capability of CFAR of parametric detection algorithms will decline. So nonparametric detection algorithms become very important. An intelligent nonparametric Generalized Sign (GS) detection algorithm Variability Index-Generalized Sign (VI-GS) based on adaptive threshold selection is proposed. The VI-GS detection algorithm comploys a composite approach based on the GS detection algorithm, the Trimmed GS detection algorithm (TGS) and the Greatest Of GS detection algorithm (GO-GS). The performance of this detection algorithm in the nonhomogenous clutter background is analyzed respectively based on simulated Gaussian distributed clutter and real radar data. These results show that it performs robustly in the homogeneous background as well as the nonhomogeneous background.

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          Author and article information

          Journal
          Journal of Radars
          Chinese Academy of Sciences
          01 December 2012
          : 1
          : 4
          : 387-392
          Affiliations
          [1 ] Department of Electronic and Information Engineering, Naval Aeronautical and Astronautical University
          Article
          e60eb83b78654105ad827143e9817b2b
          10.3724/SP.J.1300.2012.20084

          This work is licensed under a Creative Commons Attribution 4.0 Unported License. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/

          Categories
          Technology (General)
          T1-995

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