Quiz 3

Test your understanding of DFT.

We'll cover the following...
Technical Quiz
1.

The DFT of a rectangular signal symmetric around time 00 is a sinc signal with a zero phase. What happens to the phase plot for a rectangular signal shifted in time (e.g., from n=0n=0 to n=Ln=L)?

A.

It becomes a complex sinusoid.

B.

It’s a linear phase plot as a function of frequency.

C.

It’s a sinc signal.

D.

It’s a rectangular signal.


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