題組內容

4. (15%) A signal x(t) is periodic with period T0= 8. Therefore, it can be reproduced as a Fourier series:
  61a06faa7e80c.jpg
The Fourier series coefficients for this representation of a particular signal x(t) are given by the integral
61a06fe209601.jpg

4.3 (5%) Determine the DC value of x(t).