| Line 3: | Line 3: | ||
1. x(t) is real and even | 1. x(t) is real and even | ||
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> |
4. <math> </math> | 4. <math> </math> | ||
Revision as of 17:53, 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.
