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

被引：0
|
作者：
Xiao, Qijun [1 ]
Luo, Zhonghui [2 ]
机构：
[1] Zhaoqing Univ, Fac Elect Informat & Mech & Elect Engn, Zhaoqing 526061, Peoples R China
[2] Guangdong Polytechn Normal Univ, Mech & Elect Dept, Guangzhou 510635, Peoples R China
来源：
RESEARCH IN MATERIALS AND MANUFACTURING TECHNOLOGIES, PTS 1-3 | 2014年 / 835-836卷
基金：
中国国家自然科学基金;
关键词：
Wavelet packet; bite steel impact signal; time-frequency analysis;
D O I：
10.4028/www.scientific.net/AMR.834-836.1061
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
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.
引用
收藏
页码：1061 / +
页数：2
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