The Dependence of Shadow Zone Sound on the Surface Sound Velocity Gradient
作者:
R. W. Morse,
期刊:
The Journal of the Acoustical Society of America
(AIP Available online 1950)
卷期:
Volume 22,
issue 6
页码: 857-860
ISSN:0001-4966
年代: 1950
DOI:10.1121/1.1906704
出版商: Acoustical Society of America
数据来源: AIP
摘要:
Consideration is given to the direct sound which is observed to penetrate the so‐called “shadow zone” of ocean acoustics. It is shown by ray theory that the assumption that the sound velocity gradient approaches zero in the top few feet of the oceans predicts sound levels in the “shadow” which are of the same order of magnitude as those which are measured at a frequency of 24 kc/sec.
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