GB/T 46044.2-2025
ActiveAcoustics—Determination of sound power levels of noise sources using sound pressure—Engineering methods for small, movable sources in reverberant fields—Part 2: Methods for special reverberation test rooms
声学 声压法测定噪声源声功率级 混响场中的小型可移动声源工程法 第2部分:专用混响测试室法