| Line 5: | Line 5: | ||
<math>y = cos(n)\,</math> | <math>y = cos(n)\,</math> | ||
<br> | <br> | ||
| − | When I took a sample at 1 hz, the signal was | + | When I took a sample at 1 hz, the signal was ugly and random. |
<br> | <br> | ||
Therefore it is not periodic. | Therefore it is not periodic. | ||
Revision as of 09:53, 11 September 2008
Homework 2 Part A-1
I chose the signal:
$ y = cos(n)\, $
When I took a sample at 1 hz, the signal was ugly and random.
Therefore it is not periodic.
File:Non-periodic.jpg ECE301Fall2008mboutin
Changing the function to:$ y = cos(n*pi/2)\, $
made the signal look periodic.
