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Fourier series equation for a even square wave

  1. Jan 3, 2012 #1
    Can someone please help me with a fourier series equation for a even square wave shown below:

    F(t) = 0 when -2ms <t < -1ms
    k when -1ms <t < 1ms
    0 when 1ms <t < 2ms T=4

    Im after finding the first 10 harmonic components. To be honest struggling with this one integration is not my strong point.
     
  2. jcsd
  3. Jan 3, 2012 #2

    LCKurtz

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    Show us some work and what integral you are stuck on.
     
  4. Jan 8, 2012 #3
    Hello, sorry for the late reply. I believe I have succesfully found Ao in my equation but An I am struggling with. I have attached my workings out if you may take a look it would be much appreciated.
     

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