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Volume 17 Issue 1
 
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Article Navigation >  Journal of Unmanned Undersea Systems  > 2009  >  17(1): 018-21
YANG Chang-sheng, CHEN Hang. A Wideband HFM Signal Detection Method Based on Wavelet-Radon Transform[J]. Journal of Unmanned Undersea Systems, 2009, 17(1): 018-21. doi: 10.11993/j.issn.1673-1948.2009.01.005
Citation: YANG Chang-sheng, CHEN Hang. A Wideband HFM Signal Detection Method Based on Wavelet-Radon Transform[J]. Journal of Unmanned Undersea Systems, 2009, 17(1): 018-21. doi: 10.11993/j.issn.1673-1948.2009.01.005
shu

A Wideband HFM Signal Detection Method Based on Wavelet-Radon Transform

doi: 10.11993/j.issn.1673-1948.2009.01.005

  • College of Marine Engineering,Northwestern Polytechnical University, Xi′an 710021,China

  • Received Date: 2008-06-03
  • Rev Recd Date: 2008-07-15
  • Publish Date: 2009-02-28
    Abstract
  • Some animals uses the ultrasound with hyperbolic frequency modulation (HFM) form for echolocation. Hence the performance of underwater signal processing system can be enhanced by making use of the characteristics of the bionic signal. In this paper, the peak ridge characteristic of wideband bionic signal is described, then a detection method based on wavelet-Radon transform is presented, which converts the wideband echo detection into a linear detection on wavelet transform plain. Simulation results verify that the presented method makes full use of the characteristics of the wideband bionic signal, and the wideband HFM signal is applicable for underwater signal processing system.

     

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    • References(6)
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    Young R K.Wavelet Theory and Its Applications[M].Kluwer Academic Publishers,1993.
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