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Convolutional Sparse Coding Using Pathfinder Algorithm-Optimized Orthogonal Matching Pursuit With Asymmetric Gaussian Chirplet Model in Bearing Fault Detection

Source:   Author:     Time:2021/08/30 09:18:32   Hits:  

Qiuyang Zhou, Yuhui Zhang, Cai Yi, Jianhui Lin, Liu He, Qiwei Hu. Convolutional Sparse Coding Using Pathfinder Algorithm-Optimized Orthogonal Matching Pursuit With Asymmetric Gaussian Chirplet Model in Bearing Fault Detection. IEEE Sensors Journal, 2021, 21(16): 18132-18145.

//doi.org/10.1109/JSEN.2021.3086015

Fig. 2. Schematic diagram of the convolution process represented by matrix multiplication.