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A comparative evaluation of three types of acoustic noise generatorsAssessment of the operation and performance characteristics of three acoustic noise generators (a siren, an electropneumatic modulator, and an electrohydraulic modulator) when used in conjunction with a progressive wave tube. Particularly, the spectrum shaping capabilities and efficiencies of the three generators are compared.
Document ID
19740053276
Acquisition Source
Legacy CDMS
Document Type
Conference Proceedings
Authors
Cook, L. L., Jr.
Johnson, H. B., Jr. (NASA Goddard Space Flight Center Greenbelt, Md., United States)
Date Acquired
August 7, 2013
Publication Date
January 1, 1974
Subject Category
Facilities, Research, And Support
Meeting Information
Meeting: Annual Meeting on the Cost effectiveness in the environmental sciences
Location: Washington, DC
Start Date: April 28, 1974
End Date: May 1, 1974
Accession Number
74A36026
Distribution Limits
Public
Copyright
Other

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