www.gusucode.com > dsp 案例源码程序 matlab代码 > dsp/PhaseDelayOfADiscreteTimeMultirateFilterExample.m
%% Phase Delay of a Discrete-Time Filter Fs = 8000; Fcutoff = 2000; FIRFilt = dsp.FIRFilter('Numerator', fir1(130,Fcutoff/(Fs/2))); %% % |phasedelay| computes the phase delay of the filter and % displays it using fvtool phasedelay(FIRFilt);