ONORM EN ISO 3746:2009被替代
Acoustics - Determination Of Sound Power Levels Of Noise Sources Using Sound Pressure - Survey Method Using An Enveloping Measurement Surface Over A Reflecting Plane
出版：Osterreichisches Normungsinstitut
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基本信息
标准编号： ONORM EN ISO 3746:2009
发布时间：2009/12/1 0:00:00
标准类别：Standard
出版单位：Osterreichisches Normungsinstitut
标准页数：25
标准简介
Gives a method of measurement for sound pressure levels on a measurement surface which envelops the source so as to calculate the sound power level of the source of noise. Describes test environment and instrumentation requirements in addition to techniques for obtaining sound pressure level from which the sound power level of the source is calculated, giving results having a grade 3 accuracy.
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