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Compressive Sensing for Radar Target Signal Recovery Based on Block Sparse Bayesian Learning(in English)

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      Abstract

      Nowadays, high-speed sampling and transmission is a foremost challenge of radar system. In order to solve this problem, a compressive sensing approach is proposed for radar target signals in this study. Considering the block sparse structure of signals, the proposed method uses a simple measurement matrix to sample the signals and employ a Block Sparse Bayesian Learning (BSBL) algorithm to recover the signals. The classical BSBL algorithm is applicable to real signal, while radar signals are complex. Therefore, a Complex Block Sparse Bayesian Learning (CBSBL) is extended for the radar target signal reconstruction. Since the existed radar signal compressive sensing models do not take block structures in consideration, the signal reconstruction of proposed approach is more accurate and robust, and the simple measurement matrix leads to an easy implementation of hardware. The effectiveness of the proposed approach is demonstrated by numerical simulations.

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      Affiliations
      [1] Science and Technology on Automatic Target Recognition Laboratory, National University of Defense Technology
      Journal
      Journal of Radars
      Chinese Academy of Sciences
      01 February 2016
      : 5
      : 1
      : 99-108
      779206031fec4bef93567c4fc1305dba
      10.12000/JR15056

      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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