ISO 3745-1977 标准详情
- 标准号:ISO 3745-1977
- 中文标题:声学;使用声压进行噪声源的声音功率级测定;消声和半消声室的精确度法
- 英文标题:acoustics; determination of sound power levels of noise sources; precision methods for anechoic and semi-anechoic rooms
- 标准类别:国际标准化组织标准ISO
- 发布日期:1977-05-15
Specifies two laboratory methods. Gives requirements for the test room as well as the source location, operating conditions and instrumentation. Specifies techniques for obtaining an estimate of the surface sound pressure level from which the weighte
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