中华人民共和国国家标准
NATIONAL
STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 3768-2017
Acoustics—Determination of sound power levels and sound energy levels of noise sources using sound pressure—Survey method using an enveloping measurement surface over a reflecting plane 声学 声压法测定噪声源声功率级和声能量级 采用反射面上方包络测量面的简易法
Issued Date:2017
Implemented Date:2017
Issued by:
The Standardization Administration of the People's Republic of China