Fourier Series Expansion of Periodic
Signals
¥a. There are a finite number of
discontinuities in the period T.
¥b. It has a finite average value for
the period T.
¥c. It has a finite number of positive
and negative maxima in the
¥
period T.
![](slide0007_image023.png)
![](slide0007_image024.png)
f0 : Fundamental frequency,
n á f0 : Frequency
of each term
an , bn : Fourier series coefficients :
![](slide0007_image026.png)
![](slide0007_image027.png)
![](slide0007_image028.png)
![](slide0007_image029.png)