Empirical mode decomposition based on instantaneous frequency boundary

被引：9
|
作者：
Li, Jiafu [1 ]
Wang, Jun [1 ]
Zhang, Xiaolin [1 ]
Tang, Wenyan [1 ]
机构：
[1] Harbin Inst Technol, Sch Elect Engn & Automat, Harbin 150001, Peoples R China
来源：
ELECTRONICS LETTERS | 2017年 / 53卷 / 12期
关键词：
D O I：
10.1049/el.2016.3866
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A method for the adaptive signal decomposition by using the frequency boundary information is proposed. This is achieved by the high-order derivative operation that could extract the frequency-domain boundary between the highest frequency portion and the rest parts of signal by using the proper order value and a subsection filtering method based on fast Fourier transform. Simulations show that the proposed method performs better in frequency resolution, modal aliasing than empirical mode decomposition, ensemble empirical mode decomposition (EEMD) and complementary ensemble empirical mode decomposition (CEEMD).
引用
收藏
页码：781 / 782
页数：2
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