I am trying to compute the Fourier series representation of a full wave rectifier output.
The equation of the signal is:
$ x_8(t) = | \cos (2 \pi f_o t) $ |
I have tried to find the Fourier series representation of the above signal but I ran with the following difficulties:
1) The solution given in the book is the following which is different from my answer:
2) Surprisingly, my answer matches with the solution of the next problem given in the book which is:
Question: $ x_8(t) = | \cos (2 \pi f_o t) | + \cos (2 \pi f_o t) $ (Half Wave Rectifier Output)
I am not able to understand whether what I have computed is correct or not. If it is incorrect what is the mistake that I have made? I am enclosing a copy of my answer sheet.
Thanks and regards.