| Sequence | z-transform | Region Of Convergence (ROC) |
|
1 | All z |
|
z-m | All z except 0 (if m>0) or except
(if
m<0).
|
| u[n] |
|
|z|>1 |
| -u[-n-1] |
|
|z|<1 |
|
|
|z| > |a| |
|
|
|z| < |a| |
