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
標準編號： NEN ISO 3745:1983
發(fā)布時間：1983/6/1 0:00:00
標準類別：Standard
出版單位：Nederlands Normalisatie Instituut
標準頁數(shù)：21
標準簡介
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.
替代本標準的新標準
等同采用的國際標準
ISO 3745:2003 - Identical
