Code covered by the BSD License
function [ dinf ] = Dinfinity( deltap,deltas ) %Dinfinity: compute Dinfinity for optimal FIR lowpass filter % inputs: % deltap: passband ripple (linear scale) % deltas: stopband ripple (linear scale) % % ouput: % dinf: evaluation of Dinfinity % compute Dinfinity log_deltap=log10(deltap); log_deltas=log10(deltas); dinf=(5.309e-3*log_deltap^2+7.114e-2*log_deltap-0.4761)*log_deltas - ... (2.66e-3*log_deltap^2+0.5941*log_deltap+0.4278); end
Contact us