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      Novel Method of Unambiguous Moving Target Detection in Pulse-Doppler Radar with Random Pulse Repetition Interval

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      Journal of Radars

      Chinese Academy of Sciences

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          Abstract

          Blind zones and ambiguities in range and velocity measurement are two important issues in traditional pulse-Doppler radar. By generating random deviations with respect to a mean Pulse Repetition Interval (PRI), this paper proposes a novel algorithm of Moving Target Detection (MTD) based on the Compressed Sensing (CS) theory, in which the random deviations of the PRIare converted to the Restricted Isometry Property (RIP) of the observing matrix. The ambiguities of range and velocity are eliminated by designing the signal parameters. The simulation results demonstrate that this scheme has high performance of detection, and there is no ambiguity and blind zones as well. It can also shorten the coherent processing interval compared to traditional staggered PRI mode because only one pulse train is needed instead of several trains.

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          Author and article information

          Journal
          Journal of Radars
          Chinese Academy of Sciences
          01 March 2012
          : 1
          : 1
          : 28-35
          Affiliations
          [1 ] Research Institute of Space Electronics and Information Technology, School of Electronic Science and Engineering, National University of Defense Technology
          Article
          2f9b1ddef0aa43d2bdb0b760f6c0e56a

          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

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