(New page: ==The z-Transform== The z transform is a discrete time counterpart of Laplace transform. The Laplace transform is used on continuous signal while z transform is used for the discrete signa...) |
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Revision as of 15:04, 3 December 2008
The z-Transform
The z transform is a discrete time counterpart of Laplace transform. The Laplace transform is used on continuous signal while z transform is used for the discrete signal.
The z- transform of a general discrete signal x[n] is defined as
$ X(Z) = \sum_{n=-\infty}^{\infty}x[n]z^{-n} $
