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Homework Help: Finding the form of a signal

  1. May 24, 2017 #1
    [​IMG]
    1. The problem statement, all variables and given/known data

    "The complex power spectral density is :

    S(jw)=(1/(w*(w^2+a^2))*e^j90

    Find the form and duration of the signal."

    2. Relevant equations
    Any ideas on how to solve this ?



    3. The attempt at a solution
    What I've managed to calculate so far is:
    http://tinypic.com/r/zydamr/9
     

    Attached Files:

  2. jcsd
  3. May 27, 2017 #2

    rude man

    User Avatar
    Homework Helper
    Gold Member

    Never heard of a complex power spectral density.
     
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