##
Z Transform Delay

Ele 541 Electronic Testing
**Delay
**

Example

Show the z-transform of a delayed sequence _{} is

Plugging x(n-m) into the definition of the z-transform.

Changing variables, letting

Then

Since x(k) = 0 for k<0, the lower limit on the sum can be set to zero.

Therefore,

for

More information on

[Sequences and filters]
[Common Sequences ]
[Delay]
[Sinusoidal Response]