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NOISE-ASSISTED EMD METHODS IN ACTION

机译:有效的噪声辅助EMD方法

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摘要

In this work we explore the capabilities of two noise-assisted EMD methods: Ensemble EMD (EEMD) and the recently proposed Complete Ensemble EMD with Adaptive Noise (CEEMDAN), to recover a pure tone embedded in different kinds of noise, both stationary and nonstationary. Experiments are carried out for assessing their performances with respect to the level of the added noise and the number of realizations used for averaging. The obtained results partly support empirical recommendations reported in the literature while evidencing new distinctive features. While EEMD presents quite different behaviors for different situations, CEEMDAN evidences some robustness with an almost unaffected performance for the studied cases.
机译:在这项工作中,我们探索了两种噪声辅助EMD方法的功能:合奏EMD(EEMD)和最近提出的带有自适应噪声的完整合奏EMD(CEEMDAN),以恢复嵌入在固定和非固定噪声中的纯音。 。进行了实验,以评估其在增加的噪声水平和用于平均的实现数量方面的性能。获得的结果部分支持文献中报道的经验建议,同时证明新的独特功能。尽管EEMD针对不同情况表现出完全不同的行为,但CEEMDAN证明了所研究案例具有一定的鲁棒性,而性能几乎未受影响。

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