www.gusucode.com > dsp 案例源码程序 matlab代码 > dsp/GroupDelayOfADiscreteTimeMultirateFilterExample.m

    %% Group Delay of a Discrete-Time Multirate Filter 
CICComp = dsp.CICCompensationDecimator;
%%
% |grpdelay| computes the group delay of the filter and 
% displays it using fvtool
grpdelay(CICComp);