本标准描述了室内或室外噪声源声功率级的现场测定方法 使用声强测量的环境。本标准包含仪表、安装和安装方面的信息 声源的操作、测量表面的选择程序、声强采样方法 测量表面、声功率级的计算程序，以及可用于鉴定 测量环境。

This standard describes a method for in situ determination of the sound power level of noise sources in indoor or outdoor environments using sound intensity measurements. The standard contains information on instrumentation, installation and operation of the source, procedures for the selection of a measurement surface, methods for the sampling of sound intensity on the measurement surface, procedures for the calculation of sound power level, and techniques that can be used to qualify the measurement environment.