On coupling loss factors and excitation factor

I. Grushetsky

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On coupling loss factors and excitation factor

机译：关于耦合损耗因子和激励因子

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Derivation of coupling loss factors (CLF), which used in Statistical Energy Analysis, is presented. CLF between sound field in compartment and enclosure, concerned with excitation of enclosure by sound field, is usually defined from CLF between enclosure and sound field, concerned with radiation of enclosure into compartment, via reciprocity relation. It is suggested to define CLF between sound field and enclosure directly, using excitation factor (contrary to radiation factor). The way to define excitation factor from experimental data is presented. Preferences of this approach are discussed.

机译：介绍了在统计能量分析中使用的耦合损耗因子（CLF）的推导。隔间和外壳之间的声场之间的CLF，与通过声场激发外壳有关，通常是通过外壳和声场之间的CLF，通过互易关系，涉及外壳向隔间内的辐射。建议使用激励因子（与辐射因子相反）直接在声场和外壳之间定义CLF。提出了从实验数据定义激励因子的方法。讨论了此方法的首选项。

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《Electronic Journal Technical Acoustics》 |2011年第2期|共9页
作者
I. Grushetsky;
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中图分类物理声学;
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On coupling loss factors and excitation factor

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