(New page: == Guess the Periodic Signal== 1. <math>x(t)\!</math> is real and odd<br> 2. <math>x(t)\!</math> is periodic with period <math>T=4\!</math><br> 3. <math>a_0=3\!</math><br> 4. <math>x(0...) |
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Revision as of 12:17, 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. $ x(0)=3\! $
Solution
$ x(t)=3cos(\frac{\pi}{2}t)\! $
