Condition Monitoring and Fault Diagnosis for an Antifalling Safety Device

Table 7

The SNR and MSE results of rotation speed with different wavelet functions of symN.

	symN
	3	4	5	6	7	8
SNR (dB)	26.62	26.71	26.83	27.10	27.12	27.17
MSE	0.5217	0.5072	0.4956	0.4898	0.4703	0.4699