clear all; samplerate = 800e3; nyqistrate = samplerate/2; Wp1 = 100e3/nyqistrate; Ws1 = 10e3/nyqistrate; Rp = 1; Rs = 40; [n, Wc] = buttord(Wp1, Ws1, Rp, Rs); [b] = fir1(n, Wc); print_fir_filter_coef(b);