| Line 6: | Line 6: | ||
<pre> | <pre> | ||
When I took a sample at 1 hz, the signal was non-periodic and ugly. | When I took a sample at 1 hz, the signal was non-periodic and ugly. | ||
| + | Therefore it is not periodic. | ||
</pre> | </pre> | ||
[[Image:Non-periodic.jpg_ECE301Fall2008mboutin]] | [[Image:Non-periodic.jpg_ECE301Fall2008mboutin]] | ||
| + | Changing the function to:<math>y = cos(n*pi/2)\,</math><br> | ||
| + | made the signal look periodic. | ||
Revision as of 10:51, 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 non-periodic and ugly. Therefore it is not periodic.
File:Non-periodic.jpg ECE301Fall2008mboutin
Changing the function to:$ y = cos(n*pi/2)\, $
made the signal look periodic.
