Improved Intrinsic Time-scale Decomposition Method and Its Simulation

被引：6
|
作者：
Lin, Jinshan [1 ]
机构：
[1] Weifang Univ, Sch Mech & Elect Engn, Weifang 261061, Peoples R China
来源：
FRONTIERS OF MANUFACTURING AND DESIGN SCIENCE II, PTS 1-6 | 2012年 / 121-126卷
关键词：
Intrinsic time-scale decomposition (ITD); white noise; improved intrinsic time-scale decomposition (IITD); SPECTRUM;
D O I：
10.4028/www.scientific.net/AMM.121-126.2045
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Aiming at relieving the mode mixing of the intrinsic time-scale decomposition (ITD) method used to process the intermittent signals, the improved intrinsic time-scale decomposition (HID) method is proposed in the paper. The IITD method employs white noise which has the uniform power distribution in different frequencies as a reference to resolve the problem. Furthermore, a simulation signal was utilized to examine the performance of the IITD method as well as that of the original ITD method. As a result, the comparison between the results from the two methods indicates that the IITD method reflects an obvious improvement on the original ITD method for processing the intermittent signals.
引用
收藏
页码：2045 / 2048
页数：4
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