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Influencia del oleaje: entorno Peckeris y solución de alta frecuencia

Authors: Kormann, Jean; Ranz Guerra, Carlos;

Influencia del oleaje: entorno Peckeris y solución de alta frecuencia

Abstract

[ES] Aguas poco profundas (acústicamente) son aquellas en las que las características de la superficie y del fondo son determinantes del campo acústico final en el punto de recepción. Las aguas poco profundas forman un canal sonoro entre superficie y fondo en el que el sonido queda atrapado. Un entorno Peckeris viene definido por dos superficies paralelas: fondo marino y superficie libre, en el que la profundidad es constante y la traza baty presenta una velocidad que también lo es. Este trabajo presenta cómo se modifica el campo acústico recibido, a un alcance “r”, y generado por una fuente a profundidad “h-z0”, cuando se introduce la influencia del oleaje, o si se quiere la altura media de la ola presenta en la zona. Bajo un punto de vista geográfico, las aguas poco profundas coinciden con la plataforma continental o zonas de aguas interiores (bahías, puertos, estuarios, etc.); las profundidades de estas aguas, para los sistemas sonar habituales, pueden situarse en aquellas inferiores a 300 m.

[EN] Acoustically shallow waters are those where the characteristics of the surface and the bottom, influence the final receiving acoustic field. Shallow waters form a sound channel in which the sound becomes trapped. A Peckeris environment comes defined by two parallel surfaces, both the surface and the bottom of the sea, the depth remains constant all around, as well as the sound speed. This paper shows how the sound field modifies when the sea state influence is considered. The receiving point is located at “r” meters from the surface, and the source radiates at a depth of “h-z0” meters. Geographically the shallow water matches many continental shelf zones (parallel to the coast line) and also inner water zones (bays, harbours, estuaries, etc,..); the depth of those waters, for sonar applications, can be established in 300 meters or less.

6 pages, 4 figures.-- Comunicación presentada en: XXXV Congreso Español de Acústica – TecniAcústica 2004, IV Congreso Iberoamericano de Acústica, IV Congreso Ibérico de Acústica y EAA Symposium "Environmental and Architectural Acoustics" (Guimaraes, 14-17 Sep 2004).

Peer reviewed

Related Organizations
Keywords

Underwater acoustics, Waves, Sonar applications, Acoustically shallow waters, Continental shelf, Peckeris environment, Acoustic field

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
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