Structural Health Monitoring of Steel Pipes under Different Boundary Conditions and Choice of Signal Processing Techniques
Figure 9
(a) denoised signals for defect-free, gouged, and dent pipes. Continuous wavelet transforms for defect-free, gouged and dented pipes when water flows through the pipes, (b) for Daubechies (db4) function, (c) for Symlet (sym4) function, and (d) for Meyer function.
