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:

1969-09-01

Pagination or Media Count:

12.0

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