Controlling the directivity of a circular array of acoustic sens

Details Controlling the directivity of a circular array of acoustic sens Controlling the directivity of a circular array of acoustic sens

1978-04-28

1979-09-25

Farley, Richard A.

Communications, electrical: acoustic wave systems and devices

Distance or direction finding

With beam steering, scanning, or focussing

367905, G01S 380

Patent

active

041692578

ABSTRACT:
Forming and directive control of the beam in a circular sonar array without ime delay or phase shift networks. Predetermined weighting coefficients are used to scale sensor outputs that are summed in an add-only processor to provide a weighted sum output characteristic of target position relative to the main receiving axis of the array.

REFERENCES:
patent: 3873958 (1975-03-01), Whitehouse
patent: 3889227 (1975-06-01), Takamizawa
patent: 3935575 (1976-01-01), Leisterer et al.

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