Sur la décomposition modale empirique

Sur la décomposition modale empirique
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经验分解模型

DOI:
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发表时间:
2003
期刊:
影响因子:
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通讯作者:
Paulo Gonçalves
Paulo Gonçalves
中科院分区:
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文献类型:
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作者:
P. Flandrin;Paulo Gonçalves

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本文旨在提供新的见解,最近的技术,本地和数据相关的信号分解,被称为“经验模式分解”(EMD)。该研究在很大程度上依赖于数值模拟,允许证明该方法的典型特征,并在简单的良好控制的情况下量化性能。给出了EMD的谱解释,并着重讨论了它与基于小波的多分辨率分解技术的异同。
This paper is intended to give new insights into a recent technique of local and data-dependent signal decomposition, referred to as “Empirical Mode Decomposition” (EMD). The study relies heavily on numerical simulations which allow for evidencing typical characteristics of the method and for quantifying performance in simple well-controlled situations. A spectral interpretation of EMD is given, and emphasis is put on its similarities and differences with wavelet-based multiresolution decomposition techniques.