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== Part A == | == Part A == | ||
| − | The original signal shown in the first plot is y( | + | The original signal shown in the first plot is y(t) = sin(t) with a period of <math>2\pi</math> |
[[Image:sahw1a2_ECE301Fall2008mboutin.jpg]] | [[Image:sahw1a2_ECE301Fall2008mboutin.jpg]] | ||
| + | |||
| + | 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 $
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].
