声强法在发动机噪声测试中的应用与研究

Application of Sound Intensity Technique to Measure the Noise of Automobile Engine

将声强测试方法应用于汽车发动机噪声的分析研究，计算发动机单面声功率级，并绘制出发动机三维声强图和声强等值线图。

This paper presents an application of sound intensity technique to the analysis of noise of automobile engines, calculats the engine sound power level, noise source ranking and localization by drawing 3D and contour maps of the sound intensity emitted from the tested engine.