Automatic underwater null steering

Details Automatic underwater null steering Automatic underwater null steering

1970-09-17

1980-10-14

Farley, Richard A.

Communications, electrical: acoustic wave systems and devices

Receiver circuitry

367901, H04B 106

Patent

active

042285313

ABSTRACT:
Means are provided for reducing the dynamic range requirement of an underer sound system by minimizing the effects of noise interference. Computer means are provided to automatically rotate the pattern function of the combination of the dipole hydrophones in the system. A minimum noise pattern position is derived from hydrophone output information.

REFERENCES:
patent: 3344881 (1967-10-01), White
patent: 3464056 (1969-08-01), Ziehm et al.

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