exa5_25.m

新版Matlab 7辅助信号处理技术与应用

%--------------------------------------------------------------------------
% exa060608_fircls.m,   for example 6.6.8;
% to test fircls and to design bandpass FIR filter;
%-------------------------------------------------------------------------

n = 50;
f = [0 0.4 0.8 1];
amp = [0 1 0];
up = [0.02 1.02 0.01];
lo = [-0.02 0.98 -0.01];
b = fircls(n,f,amp,up,lo,'plots');  % Plot magnitude response