Utilize este identificador para referenciar este registo: http://hdl.handle.net/10400.1/178
Título: Source localization with vector sensor array during the makai experiment
Autor: Santos, P.
Felisberto, P.
Hursky, Paul
Palavras-chave: Processamento de sinais
Vector sensor
Source localization
Data: 2007
Editora: Heraklion
Citação: 2nd. International Conference on Underwater Acoustic Measurements . - Heraklion, June 2007. - 6 p
Resumo: Vector sensors measure both the acoustic pressure and the three components of particle velocity. Because of this, a vector sensor array (VSA) has the advantage of being able to provide substantially higher directivity with a much smaller aperture than an array of traditional scalar (pressure only) hydrophones. Although several, most of them theoretic, works were published from early nineties, only in the last years due to improvements and availability of vector sensor technology, the interest on field experiments with VSA increased in the scientific community. During the Makai Experiment, that took place off the coast of Kauai I., Hawaii, in September 2005, real data were collected with a 4 element vertical VSA. These data will be discussed in the present paper. The acoustic signals were emitted from a near source (low frequency ship noise) and two high frequency controlled acoustic sources located within a range of 2km from the VSA. The advantages of the VSA over traditional scalar hydrophone arrays in source localization will be addressed using conventional beamforming.
URI: http://hdl.handle.net/10400.1/178
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