z-transform

(redirected from Bilateral Z-transform)

z-transform

[′zē ′tranz‚fȯrm]
(mathematics)
The z-transform of a sequence whose general term is ƒn is the sum of a series whose general term is ƒn z -n , where z is a complex variable; n runs over the positive integers for a one-sided transform, over all the integers for a two-sided transform.
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