(→A periodic CT signal) |
(→A periodic CT signal) |
||
| Line 8: | Line 8: | ||
<br> | <br> | ||
<math>a_k=\frac{1}{T}\int_0^Tx(t)e^{-jk\omega_0t}dt</math>. | <math>a_k=\frac{1}{T}\int_0^Tx(t)e^{-jk\omega_0t}dt</math>. | ||
| + | |||
| + | |||
| + | |||
| + | Input CT signal: <math> x(t) = cos2t+sin2t</math> | ||
Revision as of 15:14, 26 September 2008
A periodic CT signal
Fourier series of x(t):
$ x(t)=\sum_{k=-\infty}^{\infty}a_ke^{jk\omega_0t} $
, where $ a_k $ is
$ a_k=\frac{1}{T}\int_0^Tx(t)e^{-jk\omega_0t}dt $.
Input CT signal: $ x(t) = cos2t+sin2t $
