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

Table 8

Difference of wavelet coefficients for different degrees of damage at 480 mm–520 mm.

Damage location (mm)	Degrees of damage (%)	Differences of wavelet coefficients
480–520	1	0.00003868
	2.5	0.0001406
	5	0.0003567
	10	0.0008155
	15	0.00145
	20	0.00177