Time-Frequency Characteristics of Vibration Signals Analysis for Large Instantaneous Impact Mill Rolling Based on Wavelet Packet

Qi Jun Xiao; Zhong Hui Luo

doi:10.4028/www.scientific.net/AMR.834-836.1061

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 834-836Time-Frequency Characteristics of Vibration...

Time-Frequency Characteristics of Vibration Signals Analysis for Large Instantaneous Impact Mill Rolling Based on Wavelet Packet

Abstract:

The wavelet packet decomposition and reconstruction technique is applied to time-frequency analysis of bite steel impact vibration signal by big rolling machine, it is obtained the bite steel impact signal wave packet. According to the size of the wavelet packet energy, it is reconstructed the signal of No.1 and No.2 wavelet packet. According to reconstruction of the signal time domain waveform and FFT spectrum chart, some meaningful conclusions are obtained.

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Periodical:

Advanced Materials Research (Volumes 834-836)

Pages:

1061-1064

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.834-836.1061

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Online since:

October 2013

Authors:

Qi Jun Xiao*, Zhong Hui Luo

Keywords:

Bite Steelimpact Signal, Time-Frequency Analysis, Wavelet Packet

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* - Corresponding Author

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