System for beamforming acoustic buoy fields

Details System for beamforming acoustic buoy fields System for beamforming acoustic buoy fields

2011-04-12

2011-04-12

Pihulic, Dan (Department: 3662)

Communications, electrical: acoustic wave systems and devices

Distance or direction finding

With beam steering, scanning, or focussing

Reexamination Certificate

active

07924654

ABSTRACT:
A system using beamforming techniques in conjunction with an active or passive acoustic buoy field, where the buoy field has a plurality of buoys, each buoy employing at least one sensor attached to and extending substantially downward from that buoy so as to form a planar or conformal array. Each array buoy uses highly accurate GPS tracking devices to locate that buoy's array sensor position relative to all other buoy arrays in the known buoy field. This accurate positional data is used in conjunction with the sensor data from each depth to beamform a planar or a volumetric array.

REFERENCES:
patent: 3783441 (1974-01-01), Slawsky
patent: 4639900 (1987-01-01), Gustafson
patent: 4673363 (1987-06-01), Hudson et al.
patent: 2006/0241914 (2006-10-01), Barnard et al.
patent: 2008/0165617 (2008-07-01), Abbot et al.

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