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HELP unit-pulse response for the discrete time system problem

  1. Oct 16, 2006 #1
    HELP!!unit-pulse response for the discrete time system problem

    Please help me solve these problems. Thank you so much for all your help.

    Compute the unit-pulse response for the discrete time system

    1) y[n + 2] + 1/2 y[n+1]+1/4y[n] = x[n+1]-x[n] (for n = 0, 1, 2)
    For number 1) the options for right answers are:
    a. 0, -1, 2
    b. 0, -1, 1/2
    c. 0, 1, -3/2
    d. 0, 1, 2

    2) y[n + 2] + 1/4 y[n+1]-3/8y[n+2] = 2x[n+2]-3x[n](for n = 0, 1, 2)
    For number 2) the options for right answers are:
    a. 0, -1, 4
    b. 2, -1/4, 1/2
    c. 0, -1, -3/2
    d. 2, -1/2, -17/8

    I am completely stuck if you could at least give me the right answer still it will be helpful.
     
  2. jcsd
  3. Oct 17, 2006 #2

    berkeman

    User Avatar

    Staff: Mentor

    Do not double-post, Raihan. The other thread you started with the same question is in the EE forum:

    https://www.physicsforums.com/showthread.php?t=138742

    This thread is now locked. Any responses you receive will need to be in the other thread. And remember that you need to show your own work in order to get help her in the PF homework forums. We can be a big help if you are willing to do some work. We are not a source of answers to your homework problems.
     
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