Merainani, BoualemBenazzouz, DjamelRahmoune, Chemseddine2017-07-062017-07-0620171077-5463https://dspace.univ-boumerdes.dz/handle/123456789/3832enHilbert-Huang Transform (HHT)Empirical Mode Decomposition (EMD)Empirical Wavelet Transform (EWT)Early detection of tooth crack damage in gearbox using empirical wavelet transform combined by Hilbert transformArticle