Wood Beam Damage Identification Based on the Curvature Mode and Wavelet Transform

Figure 11

Working conditions 1–6 difference of wavelet coefficients. (a) Working condition 1. (b) Working condition 2. (c) Working condition 3. (d) Working condition 4. (e) Working condition 5. (f) Working condition 6.

(a)

(b)

(c)

(d)

(e)

(f)