reference sound intensity 中文意思是什麼
reference sound intensity
解釋
參考聲強度-
The sound intensity measurement is carried out for the exterior radiation noise of an automobile and by means of spectrum and correlation analysis of noise signal, an investigation into the application of sound intensity measurement to vehicle noise control is presented. for the main noise sources of automobile - noise of the engines made a distinguish analysis technology and various noise control measures. it is beneficial reference to reduce noise of engine
本文依據聲強測量的原理,以汽車噪聲源的分析為應用對象;通過對汽車的車外輻射噪聲進行了聲強測試並對噪聲信號進行頻譜分析和相干分析,研究了聲強測量系統在汽車噪聲控制中的應用問題;論述了汽車發動機噪聲的鑒別分析技術和各種控制措施,為發動機噪聲的降噪工作提供參考。
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