December 2005
Intermediate to advanced
475 pages
12h 6m
English
Content preview from Signals and Systems
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11.7 RELATIONSHIP BETWEEN DFT AND z-TRANSFORM
Let us develop the relationship between the DFT and z-transform. The z-transform of a discrete time sequence of finite duration is given by
Let us consider a finite duration sequence x(n), 0 ≤ n ≤ N−1.
The above equation reduces to
DFT of x(n) is given by
Let us put 
in Eq. (11.90), we ...
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