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      Modeling of Micromotion and Analysis of Properties of Rigid Marine Targets

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          Abstract

          As one of the most useful phenomena for separating sea clutter and marine targets, micro-Doppler (m-D) describes the refined motion characteristics of a marine target and helps to improve the abilities of radar detection and recognition. In this study, based on maritime radar, the signal model of a target with micromotion in sea clutter is described. Initially, the definitions of micromotion and m-D are briefly reviewed with a description of their details, and a classification of rigid marine targets that exhibit micromotion is introduced. Then, according to the duration of the observation time, we establish two types of signal models, i.e., in one range unit and across range unit. According to the type of motion, we establish separate signal models for non-uniform translational motion and rotational motion. Finally, the properties of micromotion are analyzed using real radar data, and the effectiveness of the established models is verified.

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          Author and article information

          Journal
          Journal of Radars
          Chinese Academy of Sciences
          01 December 2015
          : 4
          : 6
          : 630-638
          Affiliations
          [1 ] Department of Electronic and Information Engineering, Naval Aeronautical and Astronautical University
          [2 ] Institute of Information Fusion, Naval Aeronautical and Astronautical University
          Article
          8bffe75e8b0a4e2abde2e2bf348bb607
          10.12000/JR15079

          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

          Remote sensing, Electrical engineering

          Rigid target, Sea clutter, Property analysis, Micro-Doppler

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