Fault diagnosis of rolling bearings under variable speed conditions based on adaptive window rotation optimization short-time Fourier transform
1School of Mechanical and Electrical Engineering, Lanzhou University of Technology, Lanzhou 730050, China
2School of Mechanical Engineering, Lanzhou Jiaotong University, Lanzhou 730070, China
3College of Physics and Electromechanical Engineering, Hexi University, Zhangye 734000, China
4Department of Medical Technology, Zhangzhou Health Vocational College, Zhangzhou 363000, China
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