Recent content by BarryThomas89

  1. B

    Solve Periodic Digital Signal: x[n]=1+cos(pi*n/3)+3sin(pi*n/2)

    Do they do complete cycles in 6 and 4 because there's 2 pi in one period? Or is that coincidence? Also, any tips on the second part?
  2. B

    Solve Periodic Digital Signal: x[n]=1+cos(pi*n/3)+3sin(pi*n/2)

    You may be on to something here. Because another thing that confused me about the answers given is that 8 was given for the first part, and the plot had 12 values... Is it easy to explain how you got there, or do you know anywhere I can read up on it?
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    Solve Periodic Digital Signal: x[n]=1+cos(pi*n/3)+3sin(pi*n/2)

    Hey guys, I'm trying to revise for a DSP exam I have this week and I'm looking at past papers I have. I've got the question, and the out and out answer but it doesn't show the workings so I'm struggling to find out how to get there;For the following periodic digital signal...