Research on Fault Feature Extraction of Hydropower Units Based on Adaptive Stochastic Resonance and Fourier Decomposition Method

Table 1

Performance comparison of each method.

	GA-SR	FDM	EMD	ITD	GA-SR-FDM
SNR	−20.6740	−7.9508	−14.4336	−7.8138	−5.8816
RMS	1.5369	0.0226	0.0483	0.0223	0.0117