fourier series of full-wave rectified sinusoid

Discussion in 'Homework Help' started by rubberbus, Apr 7, 2013.

  1. rubberbus

    Thread Starter New Member

    Sep 27, 2012
    i attached the Q photo.

    I'm very confused by this question.

    as shown the photo, the signal is shifted to the right by 5ms.

    the Q ask for equation Vo(t) at -5ms<t<5ms, can i say that it is a sine wave?

    and given that 1 period is 20ms, so the freq is 50hz. so the equation Vo(t)=sin(100'pie't) from -5ms<t<5ms.

    next i'm required to find the fourier series of the Vo(t).
    I search the internet, they stated that the period will be half of the original sine signal. is this correct? after i do the working, my coefficent of a,n =0 which is wrong.

    anyone can enlighten me?
    Last edited: Apr 7, 2013
  2. WBahn


    Mar 31, 2012
    For your equation, what is v(t=0s)? Does this match the graph?