Accession Number : AD0694036

Title :   STUDY OF SCATTERING OF WAVES BY PENETRABLE OBJECTS.

Descriptive Note : Semiannual progress rept. 1 Feb-31 Aug 69,

Corporate Author : CALIFORNIA UNIV LOS ANGELES SCHOOL OF ENGINEERING AND APPLIED SCIENCE

Personal Author(s) : Yeh,C.

Report Date : SEP 1969

Pagination or Media Count : 12

Abstract : Progress on the following five problems is reported: Focusing by liquid elliptical line; Radial and angular mathieu functions; Acoustic imaging by holography; Scattering by arbitrarily shaped penetrable obstacles; Diffraction of sound waves by moving bodies. (Author)

Descriptors :   (*UNDERWATER SOUND, SCATTERING), UNDERWATER OBJECTS, FOCUSING, ACOUSTIC SIGNALS, IMAGES, UNDERWATER SOUND SIGNALS, DIFFRACTION

Subject Categories : Acoustics

Distribution Statement : APPROVED FOR PUBLIC RELEASE