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==Definition== | ==Definition== | ||
Time invariance system is if the input has certain time delay , T0, then the output should yield the same time delay T0. | Time invariance system is if the input has certain time delay , T0, then the output should yield the same time delay T0. | ||
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| + | == Example == | ||
| + | '''Time Invariance''' | ||
| + | System: y(t)=x(t) | ||
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| + | x(t)->TD by t0 ->y(t)=x(t-t0)->System->z(t)=y(t)=x(t-t0) | ||
| + | |||
| + | x(t)->System->y(t)=x(t)->TD by t0->z(t)=y(t-t0)=x(t-t0) | ||
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| + | The output are equal. Therefore it's time invariant. | ||
Revision as of 17:52, 12 September 2008
Definition
Time invariance system is if the input has certain time delay , T0, then the output should yield the same time delay T0.
Example
Time Invariance System: y(t)=x(t)
x(t)->TD by t0 ->y(t)=x(t-t0)->System->z(t)=y(t)=x(t-t0)
x(t)->System->y(t)=x(t)->TD by t0->z(t)=y(t-t0)=x(t-t0)
The output are equal. Therefore it's time invariant.
