Explore topic-wise MCQs in Digital Signal Processing.

This section includes 14 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.

What should be value of sampling interval T, to avoid aliasing?

A. Zero
B. Sufficiently large
C. Sufficiently small
D. None of the mentioned
Answer» D. None of the mentioned
2.

The sampling interval in the matched z-transform must be properly selected to yield the pole and zero locations at the equivalent position in the z-plane.

A. True
B. False
Answer» B. False
3.

The zero positions obtained from matched z-transform and impulse invariance method are not same.

A. True
B. False
Answer» B. False
4.

If the factor of the form (s-a) in H(s) is mapped into 1-eaTz-1 in the z-domain, the that kind of transformation is called as ______________

A. in H(s) is mapped into 1-eaTz-1 in the z-domain, the that kind of transformation is called as ______________a) Impulse invariance
B. Bilinear transformation
C. Approximation of derivatives
D. Matched Z-transform
Answer» E.
5.

The factor of the form (s+a) in H(s) is mapped into which of the following factors in z-domain?

A. in H(s) is mapped into which of the following factors in z-domain?a) 1-eaTz
B. 1-eaTz-1
C. 1-e-aTz-1
D. 1+eaTz-1
Answer» D. 1+eaTz-1
6.

THE_SAMPLING_INTERVAL_IN_THE_MATCHED_Z-TRANSFORM_MUST_BE_PROPERLY_SELECTED_TO_YIELD_THE_POLE_AND_ZERO_LOCATIONS_AT_THE_EQUIVALENT_POSITION_IN_THE_Z-PLANE.?$

A. True
B. False
Answer» B. False
7.

What_should_be_value_of_sampling_interval_T,_to_avoid_aliasing?$

A. Zero
B. Sufficiently large
C. Sufficiently small
D. None of the mentioned
Answer» D. None of the mentioned
8.

The zero positions obtained from matched z-transform and impulse invariance method are not same?

A. True
B. False
Answer» B. False
9.

The poles obtained from matched z-transform are identical to poles obtained from which of the following transformations?

A. Bilinear transformation
B. Impulse invariance
C. Approximation of derivatives
D. None of the mentioned
Answer» C. Approximation of derivatives
10.

If the factor of the form (s-a) in H(s) is mapped into 1-eaTz-1 in the z-domain, the that kind of transformation is called as:

A. Impulse invariance
B. Bilinear transformation
C. Approximation of derivatives
D. Matched Z-transform
Answer» E.
11.

The factor of the form (s-a) in H(s) is mapped into which of the following factors in z-domain?

A. 1-e<sup>aT</sup>z
B. 1-e<sup>aT</sup>z<sup>-1</sup>
C. 1-e<sup>-aT</sup>z<sup>-1</sup>
D. 1+e<sup>aT</sup>z<sup>-1</sup>
Answer» C. 1-e<sup>-aT</sup>z<sup>-1</sup>
12.

In matched z-transform, the poles and zeros of H(s) are directly mapped into poles and zeros in z-plane.

A. True
B. False
Answer» B. False
13.

Which of the following is true in matched z-transform?

A. Poles of H(s) are directly mapped to poles in z-plane
B. Zeros of H(s) are directly mapped to poles in z-plane
C. Both of the mentioned
D. None of the mentioned
Answer» D. None of the mentioned
14.

In which of the following transformations, poles and zeros of H(s) are mapped directly into poles and zeros in the z-plane?

A. Impulse invariance
B. Bilinear transformation
C. Approximation of derivatives
D. Matched Z-transform
Answer» E.