... auto-power spectral density 自功率谱密度 auto-power spectrum 自功率谱 AUTOPSY (automatic operating system) 自动操作系统 ...
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With auto-power spectrum and cepstrum, this paper diagnoses the unusual noise source of the gear box, and finds an impaired gear of the box.
本文采用自功率谱、逆频谱方法对拖拉机变速箱异常噪声源进行了诊断，找出了产生异常噪声的根源。
Using frequency spectrum analysis of phase function to calculate its auto power spectrum can reflect its frequency structure.
利用相函数的频谱分析求其自功率谱，可以反映它的频率结构。
The auto power spectrum of phase function commonly has two extreme frequencies, and the corresponding frequency components decide the peak characteristics of phase function.
相函数的自功率谱一般具有两个峰值频率，其相应的频率分量决定相函数的波峰特征。
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