exmp6_2.m

来自「用dsp解压mp3程序的算法」· M 代码 · 共 9 行

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% exmp6_2.m - Characteristics of FIR filter
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

b = [0.1 0.3 0.5 0.3 0.1]; % define coefficient vector b
zplane(b, 1); pause;       % pole and zero plot
freqz(b, 1); pause;        % magnitude and phase responses
grpdelay(b, 1)             % group delay