DS EN ISO 3744-2010
DS EN ISO 3744-2010 标准详情
- 标准号：DS EN ISO 3744-2010
- 中文标题：
- 英文标题：Acoustics - Determination Of Sound Power Levels And Sound Energy Levels Of Noise Sources Using Sound Pressure - Engineering Methods For An Essentially Free Field Over A Reflecting Planes
- 标准类别：丹麦DANSK
- 发布日期：
内容简介
Defines methods for determining the sound power level or sound energy level of a noise source from sound pressure levels measured on a surface enveloping the noise source (machinery or equipment) in an environment that approximates to an acoustic fre
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