(Part 2)
(Part 2)
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==Part 2==
 
==Part 2==
 
This is <math>x(t)=e^{-t}cos(20t)</math> as the nonperiodic signal.
 
This is <math>x(t)=e^{-t}cos(20t)</math> as the nonperiodic signal.
[[image:ctsignal1.jpg|300px|frame|center]]
+
[[image:ctsignal|300px|frame|center]]

Revision as of 15:06, 12 September 2008

Part 1

Choose the signal $ x(t)=cos(t) $ which is periodic.

Sampling ever interger yields

This is $ x[n]=cos(n) $

but sampling at a frequency of $ \pi/4 $ yields

This is $ x[n]=cos(\pi/4n) $

Part 2

This is $ x(t)=e^{-t}cos(20t) $ as the nonperiodic signal.

Alumni Liaison

Correspondence Chess Grandmaster and Purdue Alumni

Prof. Dan Fleetwood