2007, English, Article edition: Time-frequency modeling of shallow water environment: rigid vs. fluid seabed Zhang, Jun; Gottin, Bertrand; Papandreou-Suppappola, Antonia; ...

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Bookmark: http://trove.nla.gov.au/version/206074
Physical Description
  • text
Published
  • HAL - CCSD
  • 2007
Language
  • English

Edition details

Title
  • Time-frequency modeling of shallow water environment: rigid vs. fluid seabed
Author
  • Zhang, Jun
  • Gottin, Bertrand
  • Papandreou-Suppappola, Antonia
  • Ioana, Cornel
Published
  • HAL - CCSD
  • 2007
Physical Description
  • text
Subjects
Notes
  • When the ocean seabed is considered to be rigid, the ideal waveguide model can be used to model the shallow water environment. However, a more realistic ocean waveguide model treats the ocean floor as a boundary between two different fluid media. In this paper, a frequency-domain characterization of shallow water environments is proposed based on this realistic waveguide model with a fluid boundary. First, the time-frequency characteristics of this model are studied as well as the impact of the environment parameters on the dispersive phenomena. Then a frequency-domain matched filter receiver is designed to obtain time-dispersion diversity once we separate the modes using warping techniques in the time-frequency plane. Simulations demonstrate that the new receiver design improves the bit error rate performance.
  • HAL:hal-00326350, version 1
  • HAL:http:/​/​hal.archives-ouvertes.fr/​hal-00326350/​en/​
Language
  • English
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