Table 2.

Accuracy of damage identification based on time series (TS)- and fast Fourier transform (FFT)-1D CNN frameworks under different noise levels.

Noise		SNR (dB)
		50	40	35	30	25	20	15	10
Accuracy (%)	TS-1D CNN	11.33	11.45	11.27	11.58	11.88	10.73	10.79	11.33
	FFT-1D CNN	45.33	45.27	45.27	45.45	45.21	44.97	44.85	45.45