Revision as of 12:09, 11 September 2008 by Pjcannon (Talk)

Time Invariance

A system is time-invariant if the input $ x(t)\! $ and output $ y(t)\! $ then the response from an input $ x(t-t_0)\! $ will be $ y(t-t_0)\! $.

Timeinv ECE301Fall2008mboutin.JPG

Example of a Time Invariant System

Let $ y(t)=2x(t)+2\! $. The system is time invarient if for input $ y(t)=2x(t-t_0)+2\! $ the response is $ y(t)=2x(t)+2\! $.



Example of a System that is not Time Invariant

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