problem_3_2_a.m

来自「Ultra.Wideband.Signals.and.Systems.in.Co」· M 代码 · 共 13 行

clear all;
iif=0;
for f=0:.001:2;
    iif=iif+1;
    if f==0;X1(iif)=4;else X1(iif)=4*sin(2*pi*f)/(2*pi*f)*exp(-j*2*pi*f);end;
end,
figure (1);f=0:.001:2;plot(f,abs(X1),'r');grid;
xlabel('f');ylabel('|X_1(f)|');grid on;
figure (2);f=0:.001:2;plot(f,angle(X1),'r');grid;
xlabel('f');ylabel('Phase of X_1(f)');grid on;