Bug
Bug is Ts. Ts is too big. So Ts is changed to 0.07/1000.
Matlab Code
F0=13; T0=1/F0; Ts=0.07/1000; t=0:Ts:13*T0; x=real(exp(j*(2*pi*F0*t-pi/2))); plot(t,x)
Bug is Ts. Ts is too big. So Ts is changed to 0.07/1000.
F0=13; T0=1/F0; Ts=0.07/1000; t=0:Ts:13*T0; x=real(exp(j*(2*pi*F0*t-pi/2))); plot(t,x)