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3 cards from this section. Quick, good the night before a test.
Define a rectangular pulse function.
Think about how you would draw it.
What is the Fourier Transform of a rectangular pulse?
Recall the definition of the sinc function.
What is the value of f(t) for |t| ≤ T/2 in a rectangular pulse?
Consider the definition of the pulse.
Is the Fourier Transform of a rectangular pulse a sinc function?
Recall the transformation results.
A rectangular pulse of width T is shifted in time. What impact does this have on its Fourier Transform?
Recall the time-shifting property of Fourier transforms.
How would the Fourier Transform change if the pulse width T is doubled?
Consider how time compression affects frequency expansion.
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