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110                                         Chapters Digital Signal Processing

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             PROBLEMS

              3.1 Determine the Fourier transform of
                            n
                  (a) x(n) = a  for n > 0 and = 0 otherwise.
                             n
                  (b) x(n) = -a  for n < 0 and = 0 otherwise.
              3.2 Determine the period and ^-transform of the following sequences:










              3.3 Show that if X(z) is the z-transform of the sequence x(n) then the following
                  relationships hold:
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