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Volume 22 Issue 6
 
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Article Navigation >  Journal of Unmanned Undersea Systems  > 2014  >  22(6): 430-435
QU Shao-chun, WANG Ying-min, ZHENG Kun. A Target Monitoring Method in Shallow Water Based on Time Reversal Processing[J]. Journal of Unmanned Undersea Systems, 2014, 22(6): 430-435. doi: 10.11993/j.issn.1673-1948.2014.06.005
Citation: QU Shao-chun, WANG Ying-min, ZHENG Kun. A Target Monitoring Method in Shallow Water Based on Time Reversal Processing[J]. Journal of Unmanned Undersea Systems, 2014, 22(6): 430-435. doi: 10.11993/j.issn.1673-1948.2014.06.005
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A Target Monitoring Method in Shallow Water Based on Time Reversal Processing

doi: 10.11993/j.issn.1673-1948.2014.06.005

  • School of Marine Science and Technology, Northwestern Polytechnical University, Xi′an 710072, China

  • Received Date: 2014-09-16
  • Rev Recd Date: 2014-10-06
  • Publish Date: 2014-12-20
    Abstract
  • A method to generate a cordon based on the time reversal processing for real-time target monitoring and judgment in shallow water is proposed. The effects of target strength and depth, the horizontal distance between the target and the source received array, and other factors on the sensitivity of the monitoring system are analyzed theo-retically. Numerical simulations and theoretical calculations for typical shallow water environment demonstrate that the proposed method is better than conventional alert method in shallow water. The proposed method is suitable for detect-ing small targets and the targets with small scattering echo intensity, and is not influenced by complex shallow water acoustic channel and multi-path effects.

     

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