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Communication Theory (Electrical Engineering)

  1. Sep 14, 2012 #1
    1. The problem statement, all variables and given/known data

    Sketch the single-side and double-sided amplitude and phase spectra of


    2. Relevant equations
    a) Xa(t)=5cos(12∏t-pi/6)

    b)Xc(t)=4cos(8∏t)cos(12∏t)


    3. The attempt at a solution
    I have no idea how to start off this problem
     
  2. jcsd
  3. Sep 14, 2012 #2

    berkeman

    User Avatar

    Staff: Mentor

    Welcome to the PF.

    Tell us what you have learned so far about amplitude and phase spectra...
     
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