Acoustic sub-surface interrogator

Details Acoustic sub-surface interrogator Acoustic sub-surface interrogator

G - Physics

01

S

349/9

G01S 15/00 (2006.01) G01H 5/00 (2006.01) G01V 1/38 (2006.01) G10K 11/35 (2006.01)

Patent

CA 1319747

ABSTRACT A positionable transducer array on a stationary platform proximate a layered site on the seabed coherently insonifies locations at the site with a signal having a selected power, resultant centre frequency, beamwidth, bandwidth, shape and incident angle. A positionable receiver array on the platform captures the return signals. Sub-surface acoustical properties of the location are then predicted from the return signals and a calculation of the speed of sound in water at the site. Subsequent locations at the site are then interrogated and an interpolation is made of acoustical properties between locations to develop a model of the acoustical properties at the site.

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