Digital Signal Processing Quiz

Digital Signal Processing Quiz

University

20 Qs

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Digital Signal Processing Quiz

Digital Signal Processing Quiz

Assessment

Quiz

Education

University

Practice Problem

Medium

Created by

nagababu chekuri

Used 1+ times

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20 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is true about the Discrete Fourier Series (DFS)?

DFS is used for non-periodic sequences only.

DFS is the representation of a periodic sequence in the frequency domain.

DFS does not involve complex exponentials.

DFS is only applicable to continuous-time signals.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary difference between DFT and DFS?

DFT is for continuous-time sequences; DFS is for discrete-time sequences.

DFT applies to finite-length sequences; DFS applies to periodic sequences.

DFS is only for real-valued sequences, while DFT is for complex sequences.

There is no difference; they are the same.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which method ensures efficient computation of linear convolution using DFT for long sequences?

Zero-padding

Overlap-Add method

Overlap-Save method

Both B and C

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is a property of the DFT?

Time shifting results in a frequency-domain shift.

Time shifting results in a time-domain shift.

The DFT is invariant under time shifting.

The DFT results in a time-domain shift but not a frequency-domain shift.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Parseval's Theorem in the context of DFT states that:

The sum of the absolute values of the sequence is equal to the sum of the absolute values of the DFT.

The energy in the time domain is equal to the energy in the frequency domain.

The time-domain energy is doubled when transformed to the frequency domain.

The energy in the time domain is half the energy in the frequency domain.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which method is used to compute the linear convolution of two sequences using DFT?

Zero-padding method

Overlap-Add method

Half-overlap method

Circular Convolution method

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the Overlap-Save method, the sequences are:

Split into non-overlapping segments

Shifted by one sample at a time

Split into overlapping segments and discarded after processing

Not split at all

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