Explore topic-wise MCQs in Digital Signal Processing.

This section includes 11 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 A=\(\frac{Ω_1 (Ω_u-Ω_l)}{-Ω_1^2+Ω_u Ω_l}\) and B=\(\frac{Ω_2 (Ω_u-Ω_l)}{Ω_2^2-Ω_u Ω_l}\), then which of the following is the backward design equation for a low pass-to-band stop transformation?

A. ΩS=Max{|A|,|B|}
B. ΩS=Min{|A|,|B|}
C. ΩS=|B|
D. ΩS=|A|
Answer» C. ΩS=|B|
2.

If A=\(\frac{-Ω_1^2+Ω_u Ω_l}{Ω_1 (Ω_u-Ω_l)}\) and B=\(\frac{Ω_2^2-Ω_u Ω_l}{Ω_2 (Ω_u-Ω_l)}\), then which of the following is the backward design equation for a low pass-to-band pass transformation?

A. ΩS=|B|
B. ΩS=|A|
C. ΩS=Max{|A|,|B|}
D. ΩS=Min{|A|,|B|}
Answer» E.
3.

Which of the following is a low pass-to-band stop transformation?

A. s→\(\frac{s(Ω_u-Ω_l)}{s^2+Ω_u Ω_l}\)
B. s→\(\frac{s(Ω_u+Ω_l)}{s^2+Ω_u Ω_l}\)
C. s→\(\frac{s(Ω_u-Ω_l)}{s^2-Ω_u Ω_l}\)
D. none of the mentioned
Answer» D. none of the mentioned
4.

Which of the following is the backward design equation for a low pass-to-high pass transformation?

A. \(\Omega_S=\frac{\Omega_S}{\Omega_u}\)
B. \(\Omega_S=\frac{\Omega_u}{\Omega’_S}\)
C. \(\Omega’_S=\frac{\Omega_S}{\Omega_u}\)
D. \(\Omega_S=\frac{\Omega’_S}{\Omega_u}\)
Answer» C. \(\Omega’_S=\frac{\Omega_S}{\Omega_u}\)
5.

Which of the following is a low pass-to-band pass transformation?

A. s→\(\frac{s^2+Ω_u Ω_l}{s(Ω_u+Ω_l)}\)
B. s→\(\frac{s^2-Ω_u Ω_l}{s(Ω_u-Ω_l)}\)
C. s→\(\frac{s^2+Ω_u Ω_l}{s(Ω_u-Ω_l)}\)
D. s→\(\frac{s^2-Ω_u Ω_l}{s(Ω_u+Ω_l)}\)
Answer» D. s→\(\frac{s^2-Ω_u Ω_l}{s(Ω_u+Ω_l)}\)
6.

Which of the following is the backward design equation for a low pass-to-low pass transformation?

A. \(\Omega_S=\frac{\Omega_S}{\Omega_u}\)
B. \(\Omega_S=\frac{\Omega_u}{\Omega’_S}\)
C. \(\Omega’_S=\frac{\Omega_S}{\Omega_u}\)
D. \(\Omega_S=\frac{\Omega’_S}{\Omega_u}\)
Answer» E.
7.

If H(s) is the transfer function of a analog low pass normalized filter and Ωu is the desired pass band edge frequency of new low pass filter, then which of the following transformation has to be performed?

A. s → s/Ωu
B. s → s.Ωu
C. s → Ωu/s
D. none of the mentioned
Answer» B. s → s.Ωu
8.

Which_of_the_following_is_a_low_pass-to-high_pass_transformation?$

A. s→ s / Ωu
B. s→ Ωu / s
C. s→ Ωu.s
D. None of the mentioned
Answer» C. s‚Äö√Ñ√∂‚àö√∫‚àö‚↠‚âà√≠¬¨¬©u.s
9.

Which of the following is a low pass-to-high pass transformation?

A. s→ s / Ωu
B. s→ Ωu / s
C. s→ Ωu.s
D. none of the mentioned
Answer» C. s‚Äö√Ñ√∂‚àö√∫‚àö‚↠‚âà√≠¬¨¬©u.s
10.

If H(s) is the transfer function of a analog low pass normalized filter and Ωu is the desired pass band edge frequency of new low pass filter, then which of the following transformation has to be performed?$

A. s→ s / Ωu
B. s→ s .Ωu
C. s→ Ωu/s
D. None of the mentioned
Answer» B. s‚Äö√Ñ√∂‚àö√∫‚àö‚↠s .‚âà√≠¬¨¬©u
11.

What is the pass band edge frequency of an analog low pass normalized filter?

A. 0 rad/sec
B. 0.5 rad/sec
C. 1 rad/sec
D. 1.5 rad/sec
Answer» D. 1.5 rad/sec