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Sampling the signal at a frequency that is a rational multiple of the frequency of the signal will result in a periodic Discrete Time signal. Sampling the signal at a frequency that is not a rational multiple of the frequency of the signal will result in a non-periodic Discrete Time signal.
 
Sampling the signal at a frequency that is a rational multiple of the frequency of the signal will result in a periodic Discrete Time signal. Sampling the signal at a frequency that is not a rational multiple of the frequency of the signal will result in a non-periodic Discrete Time signal.
  
My all time favorite periodic signal- Sin(t)
+
My all time favorite CT periodic signal- Sin(t)
 
<pre>
 
<pre>
 
t  = 0:0.02:10;  
 
t  = 0:0.02:10;  

Revision as of 11:55, 12 September 2008

Part 1

Periodic signal Sampling the signal at a frequency that is a rational multiple of the frequency of the signal will result in a periodic Discrete Time signal. Sampling the signal at a frequency that is not a rational multiple of the frequency of the signal will result in a non-periodic Discrete Time signal.

My all time favorite CT periodic signal- Sin(t)

t  = 0:0.02:10; 
x = sin(t);
plot(t,x)
grid on

File:SIN.jpg

Periodic signal turned Non-Periodic

File:SINNP

Part 2

Non-Periodic Signal File:NP Non-Periodic Signal turned Periodic Y=X File:NPTP

Alumni Liaison

Correspondence Chess Grandmaster and Purdue Alumni

Prof. Dan Fleetwood