exam5_11.m

来自「TI的DSP C55X的应用程序」· M 代码 · 共 9 行

%
%  exam5_11.m - design of bandpass filter
% 
f = [0  0.3  0.4  0.6  0.7  1];  % frequency range
m = [0  0  1  1  0  0];          % desired magnitude response
b = remez(17, f, m);             % Remez FIR filter design
[h, omega] = freqz(b, 1, 512);   % frequency response
plot(f, m, omega/pi, abs(h)), title('Magnitude Response'),...
    xlabel('Normalized frequency'), ylabel('Magnitude'), grid;