www.gusucode.com > signal 案例源码程序 matlab代码 > signal/EquirippleLowpassFilterExample.m
%% Equiripple Lowpass Filter % Design a 31-tap linear-phase lowpass filter. Display its magnitude and % phase responses. % Copyright 2015 The MathWorks, Inc. %% b = cfirpm(30,[-1 -0.5 -0.4 0.7 0.8 1],@lowpass); fvtool(b,1,'OverlayedAnalysis','phase')