CASIA OpenIR  > 09年以前成果
BANDWIDTH EMPIRICAL MODE DECOMPOSITION AND ITS APPLICATION
Xie, Qiwei; Xuan, Bo; Peng, Silong; Li, Jianping; Xu, Weixuan; Han, Hua,
Source PublicationInternational Journal of Wavelets, Multiresolution and Information Processing
2008
Volume6(6)Issue:6Pages:777-798 (SCI)
SubtypeArticle
AbstractThere 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.
KeywordIntrinsic Mode Function (Imf) / empirical Mode Decomposition (Emd) / sifting Algorithm / instantaneous Frequency
WOS HeadingsScience & Technology ; Technology ; Physical Sciences
WOS KeywordSELF-ORGANIZING MAPS ; ECONOMIC TIME-SERIES ; HILBERT SPECTRUM ; FILTERS ; CYCLES ; TRENDS
Indexed BySCI
Language英语
WOS Research AreaComputer Science ; Mathematics
WOS SubjectComputer Science, Software Engineering ; Mathematics, Interdisciplinary Applications
WOS IDWOS:000261393700001
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Document Type期刊论文
Identifierhttp://ir.ia.ac.cn/handle/173211/9688
Collection09年以前成果
Corresponding AuthorLi, Jianping
Recommended Citation
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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