problem_3_4_a.m

来自「Ultra.Wideband.Signals.and.Systems.in.Co」· M 代码 · 共 11 行

clear all;
iio=0;
for omega=-pi:.001:pi;
    iio=iio+1;
     X(iio)=exp(-i*omega)*cos(omega/2);
 end,
figure (1);omega=-pi:.001:pi;plot(omega,abs(X),'r');
axis([-pi pi 0 1.2]);
xlabel('\it\Omega');ylabel('{\it|H}({\ite^{j\Omega }})|');grid on;