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Math Help - Converting from the S domain to the Z domain

  1. #1
    Junior Member
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    Converting from the S domain to the Z domain

    I'm having some problems converting this equation in the laplace domain.

    \frac{s}{s^2 + 4}

    I understand that
    z = e^{Ts}

    Can someone please explain the step of convertion.

    I'm expecting something with cosines in.

    Thanks
    Jez
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  2. #2
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  3. #3
    Grand Panjandrum
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    Quote Originally Posted by jezzyjez View Post
    I'm having some problems converting this equation in the laplace domain.

    \frac{s}{s^2 + 4}

    I understand that
    z = e^{Ts}

    Can someone please explain the step of convertion.

    I'm expecting something with cosines in.

    Thanks
    Jez
    I think it would be helpful if you provided more context, like do you have to use the map from the s to z domain you quote, also why you expect to see cosines, ..

    CB
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