目前,各类机电产品设备作为噪声源,对于环境的污染已越来越引起各方面的重视。这些设备产生的噪声已成为衡量产品质量的一项重要综合性指标。因此,精确地测量各类噪声源辐射的声功率对于了解与考核它们的声学特性具有很大的实用价值。 实验室精密法测定噪声源的声功率主要有消? At present, all kinds of mechanical and electrical products and equipment as a noise source, environmental pollution has drawn more and more attention in all aspects. The noise generated by these devices has become an important, comprehensive measure of product quality. Therefore, accurately measuring the sound power radiated by various noise sources has great practical value for understanding and examining their acoustic characteristics. Laboratory precision method to determine the noise source of the noise power consumption?