声强测量及其在客车噪声源识别中的应用

Measurement of Sound Intensity and Its Utilization in Spotting the Noise Source within Vehicles

论述了声强测量的基本原理 ,分析了声强测量系统装置及其工作特性。通过对车辆声强的测量分析表明 :声强测量法能准确地确定客车主要噪声源的位置 ,方便地分析主要噪声源的频率特性。声强测量是车辆噪声控制的重要手段。

Sound intensity measurement for vehicles' noise indicated that the main noise source could be dertimined accurately and the frequency characteristics of noise resurce could be analysed conveniently by this method.