EVALUATION OF SHIP RADIATED NOISE-LEVEL FROM NEAR-FIELD MEASUREMENTS

被引：3
|
作者：
MUSHA, T
SHINOHARA, A
机构：
[1] Acoustics Department, Ono Sokki Co. Ltd, Midori-ku, Yokohama, 1-16-1, Hakusan
[2] Faculty of Textile Science and Technology, Shinshu University, Ueda, Nagano-ken
来源：
APPLIED ACOUSTICS | 1993年 / 40卷 / 01期
关键词：
D O I：
10.1016/0003-682X(93)90022-X
中图分类号：
O42 [声学];
学科分类号：
070206 ; 082403 ;
摘要：
Recently it has become necessary to determine far-field characteristics of marine vehicle noise from near-field measurements. It is possible to compute far-field characteristics from near-field measurements by using the Helmholtz integral equation. But this method is not practical because a great number of points are required to obtain them. This paper presents a simple equation to obtain the source levels of marine vehicles, which is used to evaluate far-field characteristics from near-field data. Good agreement with experimental results from ships is obtained.
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页码：69 / 78
页数：10
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