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- W2358021240 abstract "The importance of fault diagnosis for AC-AC frequency conversion drivers is discussed.Based on the present study state at home and abroad,an improved algorithm of the wavelet packets is proposed.The output current in the frequency conversion drivers is analyzed with the improved algorithm of the wavelet packets.The calculating time and the using memory of the improved algorithm is less than that of the standard algorithm of the wavelet packets by 80%.The frequency band energy method based on the wavelet packets analysis is used for the feature extraction of signal.In the wavelet packet decomposition,the impact of the feature extraction of signal is analyzed.It is proved that the improved algorithm of the wavelet packet is feasible by the simulation results." @default.
- W2358021240 created "2016-06-24" @default.
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- W2358021240 date "2007-01-01" @default.
- W2358021240 modified "2023-09-27" @default.
- W2358021240 title "Study on the Extraction of Fault Signal Symptom Based on Wavelet Packets" @default.
- W2358021240 hasPublicationYear "2007" @default.
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