Figure 8
From: Defect monitoring method for Al-CFRTP UFSW based on BWO–VMD–HHT and ResNet

HHT and BWO–VMD–HHT spectrum of T40. (a) The spectrum of HHT. (b) The spectrum of BWO–VMD–HHT.
From: Defect monitoring method for Al-CFRTP UFSW based on BWO–VMD–HHT and ResNet
HHT and BWO–VMD–HHT spectrum of T40. (a) The spectrum of HHT. (b) The spectrum of BWO–VMD–HHT.