(New page: The system is not time invariant Let time delay = t then Xk[n]=δ[n-k] -> time delay -> system =X(k+t)[n]=δ[n-(k+t)]->system =X(k+t)[n]=δ[n-k-t]->system =Y(k+t)[n]=...) |
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Xk[n]=δ[n-k] -> time delay -> system | Xk[n]=δ[n-k] -> time delay -> system | ||
| − | + | equals to X(k+t)[n]=δ[n-(k+t)]->system | |
| − | + | equals to X(k+t)[n]=δ[n-k-t]->system | |
| − | + | equals to Y(k+t)[n]=<math>(k+t+1)^2</math> δ[n-(k+t+1)] | |
Revision as of 16:35, 10 September 2008
The system is not time invariant
Let time delay = t
then
Xk[n]=δ[n-k] -> time delay -> system
equals to X(k+t)[n]=δ[n-(k+t)]->system
equals to X(k+t)[n]=δ[n-k-t]->system
equals to Y(k+t)[n]=$ (k+t+1)^2 $ δ[n-(k+t+1)]
