The effective frequency band for free-field measurements under laboratory hydroacoustic tank conditions

被引：0
|
作者：
A. E. Isaev
机构：
[1] All-Russia Research Institute of Physico-Technical and Radio-Engineering Measurements,
来源：
Measurement Techniques | 2006年 / 49卷
关键词：
measuring tank; free field; effective frequency band;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The principle of free-field measurements under continuous radiation conditions, based on the use of the properties of the transfer function of a hydroacoustic tank, is analyzed. The radiator can excite signals with a complex spectrum and harmonic signals. The effect of reflections is eliminated by complex averaging of the frequency dependence of the transfer impedance of the converters. The result of these measurements is the value of the free-field transfer impedance, averaged over the effective frequency band of the measuring tank.
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页码：1137 / 1144
页数：7
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