Explore topic-wise MCQs in Digital Signal Processing.

This section includes 13 Mcqs, each offering curated multiple-choice questions to sharpen your Digital Signal Processing knowledge and support exam preparation. Choose a topic below to get started.

1.

C=I is the desired normalization factor.

A. True
B. False
Answer» B. False
2.

Which of the following is true about the interpolated signal whose spectrum is V(ωy)?

A. (I-1)-fold non-periodic
B. (I-1)-fold periodic repetition
C. I-fold non periodic
D. I-fold periodic repetition
Answer» E.
3.

The following sampling rate conversion technique is interpolation by a factor I.

A. True
B. False
Answer» B. False
4.

What is the relationship between ωx and ωy?

A. ωy= ωx.I
B. ωy= ωx/I
C. ωy= ωx+I
D. None of the mentioned
Answer» C. ωy= ωx+I
5.

If x(m) and v(m) are the original and interpolated signals and ωy denotes the frequency variable relative to the new sampling rate, then V(ωy)= X(ωyI).

A. True
B. False
Answer» B. False
6.

WHICH_OF_THE_FOLLOWING_IS_TRUE_ABOUT_THE_INTERPOLATED_SIGNAL_WHOSE_SPECTRUM_IS_V(‚ÂÀ√¨‚ÀÖ¬¢Y)??$#

A. (I-1)-fold non-periodic
B. (I-1)-fold periodic repetition
C. I-fold non periodic
D. I-fold periodic repetition
Answer» E.
7.

C=I is the desired normalization factor.$

A. True
B. False
Answer» B. False
8.

What is the relationship between ωx and ωy?$

A. ω<sub>y</sub>= ω<sub>x</sub>.I
B. ω<sub>y</sub>= ω<sub>x</sub>/I
C. ω<sub>y</sub>= ω<sub>x</sub>+I
D. None of the mentioned
Answer» C. ‚âà√¨‚àö¬¢<sub>y</sub>= ‚âà√¨‚àö¬¢<sub>x</sub>+I
9.

If x(m) and v(m) are the original and interpolated signals and ωy denotes the frequency variable relative to the new sampling rate, then V(ωy)= X(ωyI).$

A. True
B. False
Answer» B. False
10.

If X(z) is the z-transform of x(n), then what is the z-transform of interpolated signal v(m)?

A. X(zI)
B. X(z+I)
C. X(z/I)
D. X(zI)
Answer» E.
11.

If v(m) denote a sequence with a rate Fy=I.Fx which is obtained from x(n), then which of the following is the correct definition for v(m)?

A. x(mI), m=0,±I,±2I….
B.
C. x(mI), m=0,±I,±2I….
Answer» D.
12.

In one of the interpolation process, we can preserve the spectral shape of the signal sequence x(n).

A. True
B. False
Answer» B. False
13.

Which of the following operation has to be performed to increase the sampling rate by an integer factor I?

A. Interpolating I+1 new samples
B. Interpolating I-1 new samples
C. Extrapolating I+1 new samples
D. Extrapolating I-1 new samples
Answer» C. Extrapolating I+1 new samples