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Title

Medida de las pérdidas de inserción y estimación de parámetros físicos representativos en paneles sumergidos en agua y utilizados como "ventanas acústicas"

AuthorsRanz Guerra, Carlos ; Cobo, Pedro
KeywordsMLS signals
Spectrally dense signals
Acoustical transmission properties
Broadband evaluation
Underwater Acoustic Tank
Insertion loss
Issue DateOct-1999
PublisherSociedad Española de Acústica
CitationXXX Jornadas Nacionales de Acústica – TecniAcústica 1999. Acústica Subacuática ; ASB01
AbstractThe use of spectrally dense signals, or MLS signals, has been proved to be very efficient in broad band evaluation of some acoustical properties. The authors have shown how the variation of the reflective properties, in a given frequency band, are very quickly and very efficiently estimated with only one measurement; that work was carried out in the Underwater Acoustic Tank of the Instituto de Acústica, CSIC; the sample was a high density polyethylene whose dimensions were: 2.0 m x 2.0 m 0.02 m. Acta Acústica, 85, S1 pp 128, 1999. In this paper a similar technique is used to estimate the acoustic transmission properties through a sample similar as above. This paper complements some of the previous results and puts forward a comparison between the theoretical results made by Bobber (1970) and the experimental evaluation.
Description7 pp.-- PACS nrs.: 43.30.Pc, 43.40.Rj.-- Comunicación presentada en los siguientes congresos: XXX Jornadas Nacionales de Acústica – TecniAcústica 1999. Encuentro Ibérico de Acústica (Ávila, 20-22 Octubre 1999). Publicado en número especial de la Revista de Acústica: Vol 30(1999).
URIhttp://hdl.handle.net/10261/7819
ISBN84-8785-02-5
Appears in Collections:(IA) Comunicaciones congresos
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