type3_ir.m

proakis书籍中的matlab仿真代码

% Chapter 7 Matlab Figure on 
%           Anti-sym impulse response odd M
%
subplot(1,1,1)
% ODD M
h = [-4,1,-1,-2,5,0,-5,2,1,-1,4];
M = length(h); n = 0:M-1; alpha = (M-1)/2;
subplot(2,1,2);
stem(n,h); axis([-1,M,-8,8]);
title('Anti-Symmetric Impulse Response: M odd')
xlabel('n'); ylabel('h(n)')
set(gca,'XTickMode','manual','XTick',[0,5,10],'Xgrid','on')
set(gca,'XTickLabelMode','manual',...
        'XTickLabels',['   0   ';'(M-1)/2';'  M-1  '])
set(gca,'YTickMode','manual','YTick',[0],'Ygrid','off')
set(gca,'YTickLabelMode','manual','YTickLabels',['0'])