BS EN ISO 3744-2009 声学.噪声源音响功率级的测定
BS EN ISO 3744-2009 标准详情
- 标准号:BS EN ISO 3744-2009
- 中文标题:声学.噪声源音响功率级的测定
- 英文标题:acoustics determination of sound power levels of noise sources using sound pressure engineering method in an essentially free field over a reflecting plane
- 标准类别:英国标准
- 发布日期:2010-04-30
内容简介
This International Standard specifies a method for measuring the sound pressure levels on a measure-ment surface enveloping a noise source,under essentially free-field conditions near one or more reflecing planes,in order to calculate the sound power
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