Fig. 7From: Variable step size VLF/ELF nonlinear channel adaptive filtering algorithm based on Sigmoid functionWhen MSNR= 25 dB, the MSE curves of the SVS-RMN algorithm and RMN, Volterra LMP and VS-SKFLP algorithms in this paper. a α = 1.8; b α = 1.5; c α = 1.2Back to article page