H-infinity optimal fractional delay filter by Masaaki Nagahara

A code for designing H-infinity optimal fractional delay filters (fractional delay, fractional delay filt..., signal processing)

fdf_hinf(F, D, T)

H-infinity sub-optimal causal FIR inverse filter via LMI by Masaaki Nagahara

This computes the optimal inverse filter minimizing the H-infinity norm of the error system via LMI. (control design, signal processing)

dfdesign_w_lmi(phi, w, d, n);