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