NEN ISO 3745:1983被替代
Acoustics - Determination Of Sound Power Level Of Noise Sources - Precision Methods For Anechoic And Semi-anechoic Rooms
出版：Nederlands Normalisatie Instituut
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基本信息
标准编号： NEN ISO 3745:1983
发布时间：1983/6/1 0:00:00
标准类别：Standard
出版单位：Nederlands Normalisatie Instituut
标准页数：21
标准简介
Specifies two laboratory methods for determining the sound power level of a source. Gives requirements for the test room, as well as the source location, operating conditions and instrumentation. Applicable to sources which produce sound that is uniformly distributed in frequency over the frequency range of interest and is relatively steady for at least 30 s.
替代本标准的新标准
等同采用的国际标准
ISO 3745:2003 - Identical
