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
声学利用声压测定噪声源的声功率级和声能级 反射面上使用包络测量面的测量方法
Cross References:ISO 3744ISO 5725ISO 12001:1996ISO/IEC Guide 98-3GUM:1995IEC 60942:2003IEC 61672-1:2002ISO 3740ISO 3741ISO 3743-1ISO 3743-2ISO 3745ISO 3747ISO 4871ISO 6926ISO 7574-1ISO 7574-2ISO 7574-3ISO 7574-4ISO 9296ISO 9614-1ISO 9614-2ISO 9614-3ISO 11200ISO 11201ISO 11202ISO 11203ISO 11204ISO/TR 25417ISO 80000-82006/42/ECAll current amendments available at time of purchase are included with the purchase of this document.