An Adaptive Spectral Kurtosis Method Based on Optimal Filter

Table 1

The kurtosis values of the proposed method and the original signals.

SNR	−20	−19	−18	−17	−16	−15	−14	−13	−12	−11
Kurtosis of the proposed method	3.64	3.95	3.46	4.37	4.50	4.91	5.34	6.09	6.80	7.68
Kurtosis of the original signals	2.96	3.07	2.96	2.96	3.02	3.04	3.13	3.14	3.21	3.39