Accession Number : AD0445713


Title :   ON THE INTERNAL FIELD OF AN IRRADIATED, LOWSOUND-VELOCITY SPHERE OR CYLINDER,


Corporate Author : NAVAL UNDERWATER ORDNANCE STATION NEWPORT RI


Personal Author(s) : Brigham, G A


Report Date : Aug 1964


Pagination or Media Count : 54


Abstract : The mathematical problems of focusing by small liquid or solid, low velocity structures are considered. These problems include aberration, reverberation, focusing of a pulse, side-lobe discrimination, focusing of noise, resonance in the lens, and distortion of beam patterns by using large transducers. (Author)


Descriptors :   *ACOUSTIC EQUIPMENT , LENSES , WAVE PROPAGATION , FOCUSING , SPHERES , TRANSDUCERS


Distribution Statement : APPROVED FOR PUBLIC RELEASE