Modeling and Optimization for Fault Diagnosis of Electromechanical Systems Based on Zero Crossing Algorithm

Table 2

The step sizes of the four state signals under different SNRs.

SNR = 30	S11	S12	S13	S14
Step size	0.001	0.008	0.012	0.020
SNR = 5	S21	S22	S23	S34
Step size	0.002	0.007	0.011	0.020
SNR = −5	S31	S32	S33	S34
Step size	0.003	0.009	0.012	0.020