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 A= ( frac{ _1 ( _u- _l)}{- _1^2+ _u _l} ) and B= ( frac{ _2 ( _u- _l)}{ _2^2- _u _l} ), then which of the following is the backward design equation for a low pass-to-band stop transformation?

A. <sub>S</sub>=Max{|A|,|B|}
B. <sub>S</sub>=Min{|A|,|B|}
C. <sub>S</sub>=|B|
D. <sub>S</sub>=|A|
Answer» C. <sub>S</sub>=|B|
Discussion
2.

If A= ( frac{- _1^2+ _u _l}{ _1 ( _u- _l)} ) and B= ( frac{ _2^2- _u _l}{ _2 ( _u- _l)} ), then which of the following is the backward design equation for a low pass-to-band pass transformation?

A. <sub>S</sub>=|B|
B. <sub>S</sub>=|A|
C. <sub>S</sub>=Max{|A|,|B|}
D. <sub>S</sub>=Min{|A|,|B|}
Answer» E.
Discussion
3.

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

A. s ( frac{s( _u- _l)}{s^2+ _u _l} )
B. s ( frac{s( _u+ _l)}{s^2+ _u _l} )
C. s ( frac{s( _u- _l)}{s^2- _u _l} )
D. none of the mentioned
Answer» D. none of the mentioned
Discussion
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} )
Discussion
5.

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

A. s ( frac{s^2+ _u _l}{s( _u+ _l)} )
B. s ( frac{s^2- _u _l}{s( _u- _l)} )
C. s ( frac{s^2+ _u _l}{s( _u- _l)} )
D. s ( frac{s^2- _u _l}{s( _u+ _l)} )
Answer» D. s ( frac{s^2- _u _l}{s( _u+ _l)} )
Discussion
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.
Discussion
7.

If H(s) is the transfer function of a analog low pass normalized filter and u 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/ <sub>u</sub>
B. s s. <sub>u</sub>
C. s <sub>u</sub>/s
D. none of the mentioned
Answer» B. s s. <sub>u</sub>
Discussion