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BANDWIDTH EMPIRICAL MODE DECOMPOSITION AND ITS APPLICATION
Xie, Qiwei; Xuan, Bo; Peng, Silong; Li, Jianping; Xu, Weixuan; Han, Hua,
2008
发表期刊International Journal of Wavelets, Multiresolution and Information Processing
卷号6(6)期号:6页码:777-798 (SCI)
文章类型Article
摘要There are some methods to decompose a signal into different components such as: Fourier decomposition and wavelet decomposition. But they have limitations in some aspects. Recently, there is a new signal decomposition algorithm called the Empirical Mode Decomposition (EMD) Algorithm which provides a powerful tool for adaptive multiscale analysis of nonstationary signals. Recent works have demonstrated that EMD has remarkable effect in time series decomposition, but EMD also has several problems such as scale mixture and convergence property. This paper proposes two key points to design Bandwidth EMD to improve on the empirical mode decomposition algorithm. By analyzing the simulated and actual signals, it is confirmed that the Intrinsic Mode Functions (IMFs) obtained by the bandwidth criterion can approach the real components and reflect the intrinsic information of the analyzed signal. In this paper, we use Bandwidth EMD to decompose electricity consumption data into cycles and trend which help us recognize the structure rule of the electricity consumption series.
关键词Intrinsic Mode Function (Imf) / empirical Mode Decomposition (Emd) / sifting Algorithm / instantaneous Frequency
WOS标题词Science & Technology ; Technology ; Physical Sciences
关键词[WOS]SELF-ORGANIZING MAPS ; ECONOMIC TIME-SERIES ; HILBERT SPECTRUM ; FILTERS ; CYCLES ; TRENDS
收录类别SCI
语种英语
WOS研究方向Computer Science ; Mathematics
WOS类目Computer Science, Software Engineering ; Mathematics, Interdisciplinary Applications
WOS记录号WOS:000261393700001
引用统计
文献类型期刊论文
条目标识符http://ir.ia.ac.cn/handle/173211/9688
专题09年以前成果
通讯作者Li, Jianping
推荐引用方式
GB/T 7714
Xie, Qiwei,Xuan, Bo,Peng, Silong,et al. BANDWIDTH EMPIRICAL MODE DECOMPOSITION AND ITS APPLICATION[J]. International Journal of Wavelets, Multiresolution and Information Processing,2008,6(6)(6):777-798 (SCI).
APA Xie, Qiwei,Xuan, Bo,Peng, Silong,Li, Jianping,Xu, Weixuan,&Han, Hua,.(2008).BANDWIDTH EMPIRICAL MODE DECOMPOSITION AND ITS APPLICATION.International Journal of Wavelets, Multiresolution and Information Processing,6(6)(6),777-798 (SCI).
MLA Xie, Qiwei,et al."BANDWIDTH EMPIRICAL MODE DECOMPOSITION AND ITS APPLICATION".International Journal of Wavelets, Multiresolution and Information Processing 6(6).6(2008):777-798 (SCI).
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