Marine acoustic analysis system and method

Details Marine acoustic analysis system and method Marine acoustic analysis system and method

1982-01-22

1985-04-02

Farley, Richard A.

Communications, electrical: acoustic wave systems and devices

Distance or direction finding

367120, 367122, 367130, 367131, G01S 380

Patent

active

045091510

ABSTRACT:
An apparatus for locating, classifying and identifying underwater marine animals by means of the sounds they make includes an elongated submersible array adapted to be towed in various directions. The array is made up of subarrays of multiple hydrophones which are arranged along the length of each subarray in groups. By changing the combinations of groups, the frequency response and the directional sensitivity of the array can be varied. The outputs of the groups can be selectively analyzed both visually and audibly for characteristic fish sounds. The received sounds are classified and used for the identification of newly found fish.

REFERENCES:
patent: 1383690 (1921-07-01), Arnold
patent: 3189870 (1965-06-01), Roever
patent: 3434104 (1969-03-01), Stapleton et al.
patent: 3613071 (1971-10-01), Quay
patent: 4084150 (1978-04-01), Massa
patent: 4122432 (1978-10-01), Triebold et al.
Knudsen et al., J. Marine Research, vol. 7, No. 3, 1948, pp. 410-429.

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