K-SVD-based WVD enhancement algorithm for planetary gearbox fault diagnosis under a CNN framework - Li, Heng; Zhang, Qing; Qin, Xianrong; Sun, Yuantao (Measurement science & technology, 2020)
Keywords: convolution neural network (CNN); fault diagnosis; K-singular value decomposition (K-SVD); priority confusion matrix; Wigner-Ville distribution (WVD)