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Proceedings Paper

Sound propagation in the atmosphere above the ground surface at long distances
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Paper Abstract

The problem of near-ground sound propagation in the atmosphere is considered. The results of theoretical and field experimental investigations of the influence of the atmospheric channel and underlying surface parameters on the audible-frequency sound propagation are given. A hardware-software complex for real-time estimation of the field of the mean sound pressure level from a remote sound source in the ground atmospheric layer is described. The software package allows the sound source parameters, vertical profiles of the main meteorological parameters, characteristics of the underlying surface, and the parameters of the atmospheric turbulence to be taken into account. The efficiency of predicting the maximum range of sound broadcasting is demonstrated. The results of numerical estimation and field tests of this complex for distances from the acoustic source up to 6 km are also presented in the report.

Paper Details

Date Published: 21 April 2006
PDF: 12 pages
Proc. SPIE 6160, Twelfth Joint International Symposium on Atmospheric and Ocean Optics/Atmospheric Physics, 61601W (21 April 2006); doi: 10.1117/12.675802
Show Author Affiliations
Nikolai P. Krasnenko, Institute of Monitoring of Climatic and Ecological Systems (Russia)


Published in SPIE Proceedings Vol. 6160:
Twelfth Joint International Symposium on Atmospheric and Ocean Optics/Atmospheric Physics
Gelii A. Zherebtsov; Gennadii G. Matvienko, Editor(s)

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