Detection of Delamination in Laminate Wind Turbine Blades Using One-Dimensional Wavelet Analysis of Modal Responses

Figure 17

Scalograms of the 7th mode of natural vibrations in the case of different numbers of interpolation points: (a) 2; (b) 4; (c) 6; (d) 8.

(a)

(b)

(c)

(d)