| Line 2: | Line 2: | ||
A certain periodic signal has the following properties: | A certain periodic signal has the following properties: | ||
| − | 1. N = | + | 1. N = 6 |
2. <math>\sum_{n=0}^{4}x[n] = 4</math> | 2. <math>\sum_{n=0}^{4}x[n] = 4</math> | ||
3. <math>\sum_{n=1}^{5}(-1)^nx[n] = 2</math> | 3. <math>\sum_{n=1}^{5}(-1)^nx[n] = 2</math> | ||
| + | |||
| + | 4. <math>a_k = a_k+3\,</math> | ||
Revision as of 13:14, 25 September 2008
Guess the Periodic Signal
A certain periodic signal has the following properties:
1. N = 6
2. $ \sum_{n=0}^{4}x[n] = 4 $
3. $ \sum_{n=1}^{5}(-1)^nx[n] = 2 $
4. $ a_k = a_k+3\, $
