Accession Number:

ADA090329

Title:

Parametric Acoustic Conversion-Efficiency Enhancement via Boundary Induced and Inherent Dispersivity

Descriptive Note:

Annual summary rept. 1 Sep 1979-31 Aug 1980

Corporate Author:

PENNSYLVANIA STATE UNIV UNIVERSITY PARK

Personal Author(s):

• Fenlon, Francis H.
• Fahy, Joseph E.

Report Date:

1980-08-31

Pagination or Media Count:

44.0

Abstract:

A brief summary of work completed by the authors during the period 9 179-83180 on the investigation of dispersive wave mechanisms for enhancing the conversion efficiency of parametric acoustic arrays is presented via a detailed review of the physical concepts underlying the investigation, an in- depth review of the theoretical models upon which the investigation is based, and a summary of results obtained to date, followed by a statement of continuing objectives.

Descriptors:

• *ACOUSTIC ARRAYS
• *PARAMETRIC AMPLIFIERS
• SIGNAL PROCESSING
• DISPERSING
• EFFICIENCY
• ENERGY TRANSFER
• LOW PASS FILTERS
• HARMONIC ANALYSIS
• FREQUENCY CONVERTERS

Subject Categories:

• Electrical and Electronic Equipment
• Acoustic Detection and Detectors
• Acoustics

Distribution Statement:

APPROVED FOR PUBLIC RELEASE