Compact deployable acoustic sensor

Details Compact deployable acoustic sensor Compact deployable acoustic sensor

1993-08-05

1994-08-16

Eldred, J. Woodrow

Communications, electrical: acoustic wave systems and devices

Transponders

Sonobuoys and sonobuoy systems

367 99, 367118, 367119, 367136, 367178, 340566, H04B 159, G01S 380

Patent

active

053392817

ABSTRACT:
A sensor for detecting acoustic energy emitted by a target is disclosed. The sensor comprises a housing including a plurality of transducers for receiving acoustic energy. The transducers are randomly deployed within a predetermined area around the housing, forming an array and a self-survey technique is utilized to determine the positions of the sensors. Beamforming techniques are utilized to analyze the acoustic energy detected by the transducers to provide the azimuth of a target and a class estimate of the target. A plurality of sensors may be utilized to provide target location, course and velocity.

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