EMD Revisited: A New Understanding of the Envelope and Resolving the Mode-Mixing Problem in AM-FM Signals
文献类型：期刊论文
| 作者 | Hu, Xiyuan1 ; Peng, Silong1; Hwang, Wen-Liang2,3
|
| 刊名 | IEEE TRANSACTIONS ON SIGNAL PROCESSING
 |
| 出版日期 | 2012-03-01 |
| 卷号 | 60期号:3页码:1075-1086 |
| 关键词 | Empirical mode decomposition (EMD) envelope algorithm mode mixing signal decomposition |
| 英文摘要 | Empirical mode decomposition (EMD) is an adaptive and data-driven approach for analyzing multicomponent nonlinear and nonstationary signals. The stop criterion, envelope technique, and mode-mixing problem are the most important topics that need to be addressed in order to improve the EMD algorithm. In this paper, we study the envelope technique and the mode-mixing problem caused by separating multicomponent AM-FM signals with the EMD algorithm. We present a new necessary condition on the envelope that questions the current assumption that the envelope passes through the extreme points of an intrinsic mode function (IMF). Then, we present a solution to the mode-mixing problem that occurs when multicomponent AM-FM signals are separated. We experiment on several signals, including simulated signals and real-life signals, to demonstrate the efficacy of the proposed method in resolving the mode-mixing problem. |
| WOS标题词 | Science & Technology ; Technology |
| 类目[WOS] | Engineering, Electrical & Electronic |
| 研究领域[WOS] | Engineering |
| 关键词[WOS] | HILBERT SPECTRUM ; DECOMPOSITION |
| 收录类别 | SCI |
| 语种 | 英语 |
| WOS记录号 | WOS:000300424500007 |
| 源URL | [http://ir.ia.ac.cn/handle/173211/2903]  |
| 专题 | 自动化研究所_智能制造技术与系统研究中心_多维数据分析团队 |
| 作者单位 | 1.Chinese Acad Sci, Inst Automat, Beijing 100190, Peoples R China 2.Acad Sinica, Inst Informat Sci, Taipei 11529, Taiwan 3.Kainan Univ, Dept Informat Management, Tao Yuan, Taiwan |
| 推荐引用方式 GB/T 7714 | Hu, Xiyuan,Peng, Silong,Hwang, Wen-Liang. EMD Revisited: A New Understanding of the Envelope and Resolving the Mode-Mixing Problem in AM-FM Signals[J]. IEEE TRANSACTIONS ON SIGNAL PROCESSING,2012,60(3):1075-1086. |
| APA | Hu, Xiyuan,Peng, Silong,&Hwang, Wen-Liang.(2012).EMD Revisited: A New Understanding of the Envelope and Resolving the Mode-Mixing Problem in AM-FM Signals.IEEE TRANSACTIONS ON SIGNAL PROCESSING,60(3),1075-1086. |
| MLA | Hu, Xiyuan,et al."EMD Revisited: A New Understanding of the Envelope and Resolving the Mode-Mixing Problem in AM-FM Signals".IEEE TRANSACTIONS ON SIGNAL PROCESSING 60.3(2012):1075-1086. |
入库方式： OAI收割
来源：自动化研究所
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