Revision as of 13:49, 9 September 2008 by Park1 (Talk)

A time-invariant system

For any input signal x(t), a system yelids y(t). Now, suppose input signal shifted t0, x(t-t0). Then output signal also shifted t0, y(t-t0). Then we can say a system is time-invariant.

Example of a tume-invariant system

x(t) = $ e^t $

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