机械故障特征提取的拓扑集分形稀疏字典

曹新城1，陈彬强1，姚斌1，贺王鹏2

Sparsity promoted dictionary using topological fractal multi-resolution and its applications in mechanical fault detection

CAO Xincheng1,CHEN Binqiang1,YAO Bin1,HE Wangpeng2

振动与冲击 . 2020, (6): 210 -219 .