| Line 7: | Line 7: | ||
<math>E_\infty = \int_{-\infty}^\infty |x(t)|^2\,dt</math> | <math>E_\infty = \int_{-\infty}^\infty |x(t)|^2\,dt</math> | ||
| − | + | <math>=\int_{-\infty}^\infty |\sqrt(t)|^2\,dt</math> | |
| − | + | <math>=\int_0^\infty |\sqrt(t)|^2\,dt</math> | |
Revision as of 10:36, 21 June 2009
$ x(t) = \sqrt(t) $
$ x(t) = \cos(t) + \jmath\sin(t) $
$ E_\infty = \int_{-\infty}^\infty |x(t)|^2\,dt $
$ =\int_{-\infty}^\infty |\sqrt(t)|^2\,dt $ $ =\int_0^\infty |\sqrt(t)|^2\,dt $
