期刊
EUROPEAN GEOSCIENCES UNION GENERAL ASSEMBLY 2016
卷 97, 期 -, 页码 84-91出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.egypro.2016.10.026
关键词
Empirical mode decomposition (EMD); Ensemble Empirical mode decomposition (EEMD); Discrete wavelet transform (DWT); seismogram
This paper suggests a new denoising technique based on the Ensemble Empirical mode decomposition (EEMD). This technique has been compared with the discrete wavelet transform (DWT) thresholding. Firstly, both methods have been implemented on synthetic signals with diverse waveforms ('blocks', 'heavy sine', 'Doppler', and 'mishmash'). Secondly, the denoising methods have been applied on real seismic traces recorded in the Algerian Sahara. It is shown that the proposed technique outperforms the DWT thresholding. In conclusion, the EEMD technique can provide a powerful tool for denoising seismic signals. (C) 2016 The Authors. Published by Elsevier Ltd.
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