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Pseudo-continuous-wave acoustic instrumentSimple, inexpensive, and portable ultrasonic device accurately measures acoustic properties of liquids, gases, and solids, using pseudo-continuous wave responses from samples to measure change in resonant frequency or amplitude in acoustic signal.
Document ID
19780000248
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Heyman, J. S.
Stone, F. D.
Date Acquired
August 9, 2013
Publication Date
October 1, 1978
Publication Information
Publication: NASA Tech Briefs
Volume: 3
Issue: 2
ISSN: 0145-319X
Subject Category
Mechanics
Report/Patent Number
LAR-12260
Accession Number
78B10248
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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