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== Solution == | == Solution == | ||
| − | <math>x(t)= | + | <math>x(t)=3cos(\frac{\pi}{2}t)\!</math> |
Revision as of 11:20, 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)\! $
