Feature extraction of the vibration signal of a high-speed elevator rolling guide shoe based on SSWD optimizing LMD
TAO Ran1,2,XU Youcai2,HE Jie2,3,LU Yunbo2,3,QIAO Wangzhi2,3,YANG Chunyu2,3,ZHANG Junnan2,3,LI Jun2,WANG Hua1
JOURNAL OF VIBRATION AND SHOCK . 2021, (10): 196 -203 .