Discussed and wavelet packet energy spectrum processing engine connecting rod bearing failure principles and methods, combined with traditional diagnostic methods ideas off the fire, the application of wavelet packet energy spectrum visually identify the fault characteristic frequency bands and quantitative analysis, the results show this method than the traditional Fourier analysis method has advantages and practical application value

小波包分解及其能量谱在发动机连杆轴承故障诊断中的应用.pdf

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