(Part 1)
Line 13: Line 13:
  
 
Periodic signal turned Non-Periodic, DT non-periodic signal
 
Periodic signal turned Non-Periodic, DT non-periodic signal
 +
<pre>
 +
t  = 0:0.5:10;
 +
x = sin((1/(2*pi))*t);
 +
plot(t,x)
 +
grid on
 +
stem(t,x)
 +
</pre>
 
[[image: SINdt.jpg]]
 
[[image: SINdt.jpg]]
  

Revision as of 13:08, 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, DT non-periodic signal

t  = 0:0.5:10; 
x = sin((1/(2*pi))*t);
plot(t,x)
grid on
stem(t,x)

File:SINdt.jpg

Part 2

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

Alumni Liaison

Ph.D. 2007, working on developing cool imaging technologies for digital cameras, camera phones, and video surveillance cameras.

Buyue Zhang