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利用声强测量分析方法对摩托车噪声源进行了识别,得出了其声场分布规律,快速准确地找到了主要的噪声源。提出了降噪措施,使该摩托车行驶加速噪声显著降低。
The noise source of motorcycles was identified by sound intensity measurement and analysis method, the distribution law of sound field was obtained, and the main noise source was found quickly and accurately. The noise reduction measures are put forward to reduce the acceleration noise of the motorcycle significantly.