NEN EN ISO 3741-1999 标准详情
- 标准号:NEN EN ISO 3741-1999
- 中文标题:声学 - 测定声功率级噪声源的使用声压 - 精密方法混响室
- 英文标题:Acoustics - Determination Of Sound Power Levels Of Noise Sources Using Sound Pressure - Precision Methods For Reverberation Rooms
- 标准类别:荷兰国家标准NEN
- 发布日期:
Gives a direct and a comparison method to determine the sound power level that would be produced by a source operating in an environment at standard meterological conditions corresponding to a characteristic impedance of pc = 400 N-s/m3. Specifies te
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