fg_05_01.m

来自「英文书《Digital Signal Processing with Examp」· M 代码 · 共 11 行

% fg_05_01  Ideal filter
nu=linspace(-.5,.5,1000);
H=[zeros(1,400),ones(1,200),zeros(1,400)];
sp_fig(1);
axis([-.6 .6 0 1.1]);
line(nu,H,'color','k');
set(gca,'fontname','times','fontsize',14);
set(gca,'position',[.10 .15 .9-.10 .9-.15]);
xlabel('Frequency \nu (Hz-s)');
ylabel('Gain {H_{ideal}}( {j}2\pi\nu/{T} )');