A note on acoustic pulse distortion in liquids exhibiting a continuous distribution of Maxwell relaxation processes
作者:
Johan L. Leander,
期刊:
The Journal of the Acoustical Society of America
(AIP Available online 1991)
卷期:
Volume 89,
issue 3
页码: 1459-1461
ISSN:0001-4966
年代: 1991
DOI:10.1121/1.400663
出版商: Acoustical Society of America
数据来源: AIP
摘要:
Acoustic pulse distortion in liquids exhibiting a continuous distribution of Maxwell relaxation processes is analyzed by means of linear systems theory. The causality condition for the phenomenological model is noted. Distortion quantities relating the pulse shape to the absorption and dispersion are presented. It is shown that these quantities can be expressed in terms of moments of the relaxation time spectrum.
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