학술논문
Influence of Impedance Properties of the earth's Surface on Sound Attenuation During Near-Ground Propagation.
Document Type
Article
Author
Source
Subject
*ELECTRIC impedance
*ELECTRIC immittance
*ELECTRIC admittance
*IMPEDANCE converters
*NUMERICAL analysis
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Language
ISSN
1064-8887
Abstract
We consider questions of the propagation of sound waves above the Earth's surface. Formulas are given for the calculation of sound attenuation caused by the presence of the underlying surface. Different models of the impedance of the underlying surface are presented. Results of theoretical calculations of the attenuation of sound as it propagates above various types of underlying surfaces are presented. The influence of the geometry of the propagation of sound on its characteristics is analyzed. [ABSTRACT FROM AUTHOR]