Research Article
Robust Normalized Subband Adaptive Filter Algorithm with a Sigmoid-Function-Based Step-Size Scaler and Its Convex Combination Version
Figure 7
NMSD learning curves comparison of the SSAF, SSS-NSAF-1, SSS-NSAF-2, the proposed S-SSS-IPNSAF, and the proposed SL0-SSS-IPNSAF algorithms for sparse impulse response with . S-SSS-IPNSAF: , , , , ; SL0-SSS-IPNSAF: , , , , , , . (parameters setting of the SSAF, SSA-NSAF-1, and SSS-NSAF-2 algorithms are the same as those of Figure 6).