SANS 3746-1995 声学.用声压法测定噪声源声功率级.在反射平面上利用包封测量表面的测量法
Acoustics - Determination of sound power levels of noise sources using sound pressure - Survey method using an enveloping measurement surface over a reflecting plane
Specifies a method for measuring the sound pressure levels on a measurement surface enveloping the source in order to calculate the sound power level produced by the noise source.