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Z transform system question

  1. Oct 19, 2009 #1
    Hi,

    I have this question about the system diagram I have attached. I don't know how I should really start it. I don't expect any solutions from you. I just need to get access to similar questions and some resources that help me understand what I should do.
    Any help will be much appreciated.

    In the diagram attached, R(z) is the z-transform of the system's input r[n], C(z) is the z-transform of the system's output c[n], and G(z) and H(z) are the transfer functions of the subsystems given by:

    G(z) = z / (z+1)
    H(z) = 6 / (z-7)

    (a) Determine the unit-pulse response of the overall system.

    (b) Compute the step response of the overall system.

    Thank you
     

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  2. jcsd
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