Digital beamsteering for a parametric scanning sonar system

Details Digital beamsteering for a parametric scanning sonar system Digital beamsteering for a parametric scanning sonar system

1977-08-25

1980-02-26

Farley, Richard A.

Communications, electrical: acoustic wave systems and devices

Transmitter systems

With beam forming, shaping, steering, or scanning

343100SA, 367 92, G01S 966

Patent

active

041908180

ABSTRACT:
Digital beamsteering for a parametric scanning sonar steers a nonlinear, ulated signal of a single high frequency by appropriately delaying and/or varying the phase of the signal as it enters each of a plurality of elements in an array. The sonar beam can be steered electronically over a wide range of angles.

REFERENCES:
patent: 3723955 (1973-03-01), Lyons et al.
patent: 3763463 (1973-10-01), Muir
patent: 3824531 (1974-07-01), Walsh
patent: 3964013 (1976-06-01), Konrad
patent: 4001763 (1977-01-01), van Heyningen
patent: 4058003 (1977-11-01), Macovski

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