1.

What is the expression for system function in z-domain?

A. \(\frac{2}{T}[\frac{1+z^{-1}}{1-z^1}]\)
B. \(\frac{2}{T}[\frac{1+z^{-1}}{1-z^1}]\)
C. \(\frac{T}{2}[\frac{1+z^{-1}}{1-z^1}]\)
D. \(\frac{T}{2}[\frac{1-z^{-1}}{1+z^{-1}}]\)
Answer» D. \(\frac{T}{2}[\frac{1-z^{-1}}{1+z^{-1}}]\)


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