# Quiz 3

Test your understanding of DFT.

1

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

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.

Question 1 of 50 attempted

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