Example 9.1. Find
the z-transform of
the unit pulse or impulse
sequence
.
Solution 9.1. This follows trivially from Equation
(9-1)
.
![[Graphics:Images/ZTransformIntroMod_gr_78.gif]](../Images/ZTransformIntroMod_gr_78.gif)
Explore Solution 9.1.
![[Graphics:../Images/ZTransformIntroMod_gr_80.gif]](../Images/ZTransformIntroMod_gr_80.gif)
![[Graphics:../Images/ZTransformIntroMod_gr_81.gif]](../Images/ZTransformIntroMod_gr_81.gif)
We are done.
Aside. We can easily
find the inverse of X[z].
![[Graphics:../Images/ZTransformIntroMod_gr_83.gif]](../Images/ZTransformIntroMod_gr_83.gif)