Sonar array with reduced grating lobes

Details Sonar array with reduced grating lobes Sonar array with reduced grating lobes

1994-03-16

1995-05-09

Pihulic, Daniel T.

Communications, electrical: acoustic wave systems and devices

Echo systems

Distance or direction finding

367905, G01S 1508

Patent

active

054146763

ABSTRACT:
A pulsed transmission, single frequency, high resolution sonar system has duced grating (side) lobes achieved by employing mechanically fixed antenna array stave tilt angles together with electronic focussing in which phase shifts are substituted for time delays.

REFERENCES:
patent: 4276779 (1981-07-01), Davis, Jr.

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