| Line 5: | Line 5: | ||
2. x(t) is periodic with period T = 4 and Fourier coefficients <math> a_k </math> | 2. x(t) is periodic with period T = 4 and Fourier coefficients <math> a_k </math> | ||
| − | 3. <math> a_k = 0 | + | 3. |
| + | <math> a_k = 0 | ||
</math> for <math> </math> | </math> for <math> </math> | ||
4. <math> </math> | 4. <math> </math> | ||
Revision as of 17:54, 26 September 2008
Suppose we are given the following information about a signal x(t):
1. x(t) is real and even
2. x(t) is periodic with period T = 4 and Fourier coefficients $ a_k $
3. $ a_k = 0 $ for 4.
