Explore topic-wise MCQs in Digital Signal Processing.

This section includes 7 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.

If the filter is in linear phase, then filter would have a mirror-image pole outside the unit circle for every pole inside the unit circle.

A. True
B. False
Answer» B. False
Discussion
2.

What is the condition on the system function of a linear phase filter?

A. H(z)= (z^{-N} H(z^{-1}) )
B. H(z)= (z^N H(z^{-1}) )
C. H(z)= ( z^N H(z^{-1}) )
D. H(z)= ( z^{-N} H(z^{-1}) )
Answer» E.
Discussion
3.

Physically realizable and stable IIR filters cannot have linear phase.

A. True
B. False
Answer» B. False
Discussion
4.

If the conversion technique is to be effective, then the LHP of s-plane should be mapped into _____________

A. Outside of unit circle
B. Unit circle
C. Inside unit circle
D. Does not matter
Answer» D. Does not matter
Discussion
5.

If the conversion technique is to be effective, the j axis in the s-plane should map into the unit circle in the z-plane.

A. True
B. False
Answer» B. False
Discussion
6.

What is the relation between h(t) and Ha(s)?

A. H<sub>a</sub>(s)= ( int_{- infty}^{ infty} h(t)e^{-st} dt )
B. H<sub>a</sub>(s)= ( int_0^{ infty} h(t)e^{st} dt )
C. H<sub>a</sub>(s)= ( int_{- infty}^{ infty} h(t)e^{st} dt )
D. None of the mentioned
Answer» B. H<sub>a</sub>(s)= ( int_0^{ infty} h(t)e^{st} dt )
Discussion
7.

Which of the following is the difference equation of the FIR filter of length M, input x(n) and output y(n)?

A. y(n)= ( sum_{k=0}^{M+1} b_k x(n+k) )
B. y(n)= ( sum_{k=0}^{M+1} b_k x(n-k) )
C. y(n)= ( sum_{k=0}^{M-1} b_k x(n-k) )
D. None of the mentioned
Answer» D. None of the mentioned
Discussion