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This includes the software-based synchronization for pretreatment of the non-stationary vibration signal, wavelet packet based multi-band filtering techniques for signature extraction of the impact excitations, as well as the auto-regressive model based pseudo-Wigner-Ville distribution for an integrated time-frequency signature extraction of the engine vibration. 最好能把里面的专业词汇也翻译了。谢谢！ |
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