Real-Time Monitoring of Timber-Surface Crack Repair Using Piezoelectric Ceramics

Table 1

Experimental parameters.

Incentive method and parameters			Acquisition parameter		Filtering parameter
Sweep	Amplitude	10 V	Frequency	2 MHs	Filter	Anti-Chebyshev
	Range	20 kHz-270 kHz	Length	512 k	Type	Bandpass
	Frequency	0.5 kHz	Sampling time	262 ms	Order	5
	Step size	0.5 ms	Trigger mode	Normal	Range	30 k-250 k