| Line 3: | Line 3: | ||
<math>r(n)= x(n)*cos^2(n \theta)= \frac{1}{2} x(n) + \frac{1}{2}x(n)*cos(2n\theta)</math><br> | <math>r(n)= x(n)*cos^2(n \theta)= \frac{1}{2} x(n) + \frac{1}{2}x(n)*cos(2n\theta)</math><br> | ||
| − | <math> | + | <math>X(e^{j\theta)) |
| − | + X(e^{j(\theta | + | + X(e^{j(\theta)</math> |
[[Image:Hw9_ECE301Fall2008mboutin.JPG]] | [[Image:Hw9_ECE301Fall2008mboutin.JPG]] | ||
Revision as of 12:27, 17 November 2008
AM Demodulation
$ r(n)= x(n)*cos^2(n \theta)= \frac{1}{2} x(n) + \frac{1}{2}x(n)*cos(2n\theta) $
$ X(e^{j\theta)) + X(e^{j(\theta) $
