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==Example== | ==Example== | ||
| − | <math> | + | <math>x(t)=3*cos(3t)</math> |
| − | <math> | + | <math>=\frac{1}{2j}(e^{j*3*t})</math> |
Revision as of 15:11, 26 September 2008
Definition of Periodic CT Signal
x(t) is periodic if there existes T>0 such that x(t)=x(T+t)
Example
$ x(t)=3*cos(3t) $
$ =\frac{1}{2j}(e^{j*3*t}) $
