(New page: == Question 1 == Signal: f(t) = 5cos(2t) Image:5cos2x.jpg Periodic DT Signal: Non-Periodic DT Signal:) |
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[[Image:5cos2x_ECE301Fall2008mboutin.jpg]] | [[Image:5cos2x_ECE301Fall2008mboutin.jpg]] | ||
| − | Periodic DT Signal: | + | Periodic DT Signal: Using a sampling rate of Ts=0.1 we get the signal |
| − | Non-Periodic DT Signal: | + | [[Image:Periodichw2_ECE301Fall2008mboutin.jpg]] |
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| + | Non-Periodic DT Signal: However, the signal becomes non-periodic if we change the sampling rate to Ts=0.4 | ||
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| + | [[Image:Nonperiodichw2_ECE301Fall2008mboutin.jpg]] | ||
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| + | == Question 2 == | ||
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| + | Signal: <font size="4"><math>f(t)=e^t</math></font> | ||
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| + | [[Image:Nonperiodicexp_ECE301Fall2008mboutin.jpg]] | ||
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| + | As a periodic function: | ||
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| + | [[Image:Periodicexp_ECE301Fall2008mboutin.jpg]] | ||
Latest revision as of 14:08, 11 September 2008
Question 1
Signal: f(t) = 5cos(2t)
Periodic DT Signal: Using a sampling rate of Ts=0.1 we get the signal
Non-Periodic DT Signal: However, the signal becomes non-periodic if we change the sampling rate to Ts=0.4
Question 2
Signal: $ f(t)=e^t $
As a periodic function:
