room-noise spectrum 中文意思是什麼
room-noise spectrum
解釋
室內噪聲譜-
The thesis analyses the signal of vibration and noise of water system in pump room through power frequency spectrum analysis and coherence analysis. meanwhile uses finite element method ( fem ) to investigate the characteristics of pipe system
論文通過功率譜分析、相干分析等方法對供水系統泵房內的管道系統進行振動與噪聲信號的分析,用有限元的方法分析管道系統的結構特性。 -
Room - noise spectrum
室內噪聲譜
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