Accelerating noise was measured and analyzed for a passenger car, the inlet air noise of its engine has been found to be the main noise source during the car accelerating period.

　
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  • 運用該技術(shù)對某汽車(chē)的加速噪聲進(jìn)行測量和分析，發(fā)現發(fā)動(dòng)機進(jìn)氣噪聲是該車(chē)主要的加速噪聲源。
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