(Part A)
(Part A)
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[[Image:sahw1a2_ECE301Fall2008mboutin.jpg]]
 
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The plot on the left shows the same signal but in DT (y[n] = sin(n)).  The sampling frequency is at <math>\pi/2</math> (y[n] = sin(<math>\pi/2</math>*n)).  The signal repeats itself every 4 sec so that y[n] = y[n+4].
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The plot on the left shows the same signal but in DT (y[n] = sin(n)).  The sampling frequency is at <math>\pi/2</math> (y[n] = sin(<math>(\pi/2)</math>*n)).  The signal repeats itself every 4 sec so that y[n] = y[n+4].
  
 
[[Image:sahw1a1_ECE301Fall2008mboutin.jpg]]  [[Image:sahw1a3_ECE301Fall2008mboutin.jpg]]
 
[[Image:sahw1a1_ECE301Fall2008mboutin.jpg]]  [[Image:sahw1a3_ECE301Fall2008mboutin.jpg]]

Revision as of 18:01, 10 September 2008

Part A

The original signal shown in the first plot is y(t) = sin(t) with a period of $ 2\pi $

Sahw1a2 ECE301Fall2008mboutin.jpg

The plot on the left shows the same signal but in DT (y[n] = sin(n)). The sampling frequency is at $ \pi/2 $ (y[n] = sin($ (\pi/2) $*n)). The signal repeats itself every 4 sec so that y[n] = y[n+4].

Sahw1a1 ECE301Fall2008mboutin.jpg Sahw1a3 ECE301Fall2008mboutin.jpg

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Basic linear algebra uncovers and clarifies very important geometry and algebra.

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