Table 13.

Diagnostic accuracy under noise and early-stage fault conditions(%).

Task	-6dB	-4dB	-2dB	Natural Noises	Noiseless
C1	96.74%	98.80%	99.40%	99.12%	99.96%
C4	96.08%	98.07%	99.38%	98.96%	99.92%
C6	96.48%	98.94%	99.60%	99.32%	99.96%