(→Solution) |
(→Solution) |
||
| Line 7: | Line 7: | ||
== Solution == | == Solution == | ||
| − | <math>x(t)= | + | <math>x(t)=3cos(\frac{\pi}{2}t)\!</math> |
Revision as of 12:20, 25 September 2008
Guess the Periodic Signal
1. $ x(t)\! $ is real and odd
2. $ x(t)\! $ is periodic with period $ T=4\! $
3. $ a_0=3\! $
4. $ -3<=x<=3\! $
Solution
$ x(t)=3cos(\frac{\pi}{2}t)\! $
