Areal sound intensity receiver

Details Areal sound intensity receiver Areal sound intensity receiver

G - Physics

01

H

G01H 3/10 (2006.01) G01H 3/12 (2006.01)

Patent

CA 2008274

A system of three or more hydrophone arrays are utilised to measure underwater areal sound intensity. The hydrophone arrays bound at least one plane through which an areal sound intensity measurement is desired. Each hydrophone array comprises three orthogonal pairs of hydrophones with coincident acoustic centers. The output of each hydrophone in the system is simultaneously sampled and the outputs processed to obtain a vectorial sound intensity representation at each of the hydrophone arrays from which a representation of the areal sound intensity across the noted plane may be derived.

Système d'au moins trois réseaux d'hydrophones utilisés pour mesurer l'intensité sonore surfacique sous-marine. Ces réseaux d'hydrophones délimitent au moins un plan, au niveau duquel on souhaite réaliser une mesure d'intensité sonore. Chaque réseau d'hydrophones comporte trois paires orthogonales d'hydrophones traitant des centres sonores simultanés. En obtenant un échantillon de la production sonore simultanée de chacun des hydrophones du système et en traitant cette production sonore de manière à constituer une représentation vectorielle de l'intensité sonore de chacun de ces réseaux d'hydrophones, on est en mesure d'obtenir une représentation de l'intensité sonore surfacique au niveau du plan en question.

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