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      Study on the Effective Region of Active Decoy Jamming to SAR Based on Time-delay Doppler-shift Method

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          Abstract

          The active decoy jamming to SAR based on the Time-Delay Doppler-Shift (TDDS) method takes effect in certain region. Proper utilization of jamming ensuring decoy quality is based on the study of the effective region. After the mathematical analysis of the difference between jamming signal and real point-target echo, the paper points out that residual RCM, matched filter error, loss of doppler bandwidth are three main factors deteriorating the focus of jamming signal. Formulation of effective region is obtained and verified by simulation results. The study indicates that the TDDS method can effectively protect limited region around the jammer.

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          Author and article information

          Journal
          Journal of Radars
          Chinese Academy of Sciences
          01 March 2013
          : 2
          : 1
          : 46-53
          Affiliations
          [1 ] Study on the Effective Region of Active Decoy Jamming to SAR Based on Time-delay Doppler-shift Method
          Article
          5102d95db5d848ddbe7ab4edc1546ebe
          10.3724/SP.J.1300.2012.13001

          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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