| Line 9: | Line 9: | ||
</pre> | </pre> | ||
<math> E \,\!</math> | <math> E \,\!</math> | ||
| − | <math>= \sum_{n=n1}^ | + | <math>= \sum_{n=n1}^n2\ \left | \frac{x[n]}{1} \right | ^2 </math> |
Revision as of 18:59, 5 September 2008
Energy of a CT Signal
$ Energy = \int_{t1}^{t2} \left | \frac{x}{1} \right |\ ^2 dx $
Energy of a DT Signal
$ E \,\! $ $ = \sum_{n=n1}^n2\ \left | \frac{x[n]}{1} \right | ^2 $
