Underwater Passive Location Technology Using Dummy Time-Reversal Mirror

  • Xueli Sheng
  • Xizhong Bao
  • Junying Hui
  • Guolong Liang
Part of the Lecture Notes in Computer Science book series (LNCS, volume 5099)


Time reversal (TR) refocuses the incident acoustic field back to the origin of a probe signal regardless of the complexity of the medium. However, the operation of a TR requires a cooperative probe source. This is impossible in passive work mode. In this paper, a dummy time-reversal mirror (DTRM) method is discussed to introduce the concept of time-reversal into underwater passive location. Several ocean acoustics experiments demonstrating the implementation of DTRM have been conducted. The proposed method is useful while at long source-receive ranges, or while object is moving.


Dummy Time-reversal mirror Passive location adaptive refouse 


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Copyright information

© Springer-Verlag Berlin Heidelberg 2008

Authors and Affiliations

  • Xueli Sheng
    • 1
  • Xizhong Bao
    • 1
  • Junying Hui
    • 1
  • Guolong Liang
    • 1
  1. 1.College of Underwater Acoustic EngineeringHarbin Engineering University, HLJP.R. China

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