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Communication dans un congrès

Automatic and passive whale localization in shallow water using gunshots

Abstract : This paper presents an automatic and passive localization algorithm for low frequency impulsive sources in shallow water. This algorithm is based on the normal mode theory which characterizes propagation in this configuration. It uses specific signal processing tools and time-frequency representations to automatically extract features of the propagation. Then, it uses the dispersive properties of the oceanic waveguide as an advantage to perform the localization. Only few hydrophones are needed and neither knowledge of the oceanic environment nor simulation of the propagation is required. The proposed method is successfully applied on North Atlantic Whale gunshots in the Bay of Fundy recorded with a network of three hydrophones.
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https://hal.archives-ouvertes.fr/hal-00324547
Contributeur : Julien Bonnel <>
Soumis le : jeudi 25 septembre 2008 - 13:33:36
Dernière modification le : jeudi 10 décembre 2020 - 08:52:09
Archivage à long terme le : : lundi 8 octobre 2012 - 13:30:44

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Oceans08_Bonnel.pdf
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Julien Bonnel, Grégoire Le Touzé, Barbara Nicolas, Jerome Mars, Cedric Gervaise. Automatic and passive whale localization in shallow water using gunshots. OCEANS '08 MTS/IEEE Quebec City. Oceans, Poles and Climate: Technological Challenges, Sep 2008, Quebec City, Canada. pp.1-6, ⟨10.1109/OCEANS.2008.5151937⟩. ⟨hal-00324547⟩

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