Fourier series:
Input CT signal: x(t) = 3cost+sin2t.
=$ 3*\frac{e^jt}+e^{-jt}{2}+\frac{e^j2t}-e^{-j2t}{2}\, $
Fourier series:
Input CT signal: x(t) = 3cost+sin2t.
=$ 3*\frac{e^jt}+e^{-jt}{2}+\frac{e^j2t}-e^{-j2t}{2}\, $