Saad Al-Baddai and  Karema Al-Subari and  Elmar Lang and  Bernd Ludwig,  Optimizing Approach for Sifting Process to Solve a Common Type of Empirical Mode Decomposition Mode Mixing.   journal   = {International Journal of Electrical and Computer Engineering}, [online]. World Academy of Science, Engineering and Technology.
    May 2017, vol. 126(6). 717 - 725
    [viewed 08 April 2020]. Available from: https://publications.waset.org/pdf/10007433.