Accession Number : ADD018090

Title :   Wide Beam Acoustic Projector with Sharp Cutoff and Low Side Lobes.

Descriptive Note : Patent, Filed 30 Jun 93, patented 13 Aug 96,

Corporate Author : DEPARTMENT OF THE NAVY WASHINGTON DC

Personal Author(s) : Zehner, William J

Report Date : 13 Aug 1996

Pagination or Media Count : 7

Abstract : A pulsed transmission, single frequency echo ranging sonar system has a wide beam acoustic projector with sharp cutoff of energy radiated in directions other than the desired field of view and a nearly constant amount of acoustic energy throughout the desired vertical field.

Descriptors :   *SONAR PROJECTORS, *ACOUSTIC BEAMS, ACOUSTIC WAVES, TRANSMITTANCE, VERTICAL ORIENTATION, SIDELOBES, ECHO RANGING, SIDE LOOKING SONAR, SONAR PULSES, PULSE TRANSMITTERS

Subject Categories : Acoustics

Distribution Statement : APPROVED FOR PUBLIC RELEASE