A=1;Dt=0.005;Ta=7.0;t=(-Ta/2):Dt:(Ta/2);for i=1:length(t) xt(i)=A; end;Wmax=2*%pi*1;K=4;k=0:(K/1000):K;W=k*Wmax/K;xt=xt';XW=xt*exp(-sqrt(-1)*t'*W)*Dt;XW_Mag=real(XW);W=[-mtlb_fliplr(W), W(2:1001)];XW_Mag=[mtlb_fliplr(XW_Mag), XW_Mag(2:1001)];subplot(2,1,1);a=gca();a.data_bounds=[-6,0;6,2];a.y_location ='origin';plot(t,xt);xlabel('t in msec.');title('Continuous Time Signal x(t)');xset('wdim', 650, 450);subplot(2,1,2);a=gca();a.y_location ='origin';plot(W,XW_Mag);xlabel('Frequency in Radians/Seconds');title('Continuous-time Fourier Transform  X(jW)');