| Line 2: | Line 2: | ||
<pre> | <pre> | ||
| + | Energy of a DT Signal | ||
</pre> | </pre> | ||
f(x) \,\!</math> | f(x) \,\!</math> | ||
Revision as of 18:53, 5 September 2008
$ Energy of a CT Singal = \int_{t1}^{t2} \left | \frac{x}{1} \right |\ ^2 dx $
Energy of a DT Signal
f(x) \,\!</math> $ = \sum_{n=0}^\inf a_n x^n $
$ = \left | \frac{a}{b} \right | $
