0 votes 0 votes The $Z$-transform of the time function $\sum_{k=0}^{\infty} \delta(n-k)$ is $\frac{Z-1}{Z}$ $\frac{Z}{Z-1}$ $\frac{Z}{(Z-1)^2}$ $\frac{(Z-1)^2}{Z}$ Others gate1998-ec + – admin asked Sep 26, 2022 • edited Dec 1, 2023 by makhdoom ghaya admin 46.4k points 55 views answer comment Share Follow See all 0 reply Please log in or register to add a comment.