Explore topic-wise MCQs in Digital Signal Processing.

This section includes 23 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 the value of λ for the error to be placed equally on magnitude and delay?

A. 1
B. 1/2
C. 0
D. None of the mentioned
Answer» C. 0
Discussion
2.

What should be the value of λ for the error to be placed entirely on delay?

A. 1
B. 1/2
C. 0
D. None of the mentioned
Answer» B. 1/2
Discussion
3.

What does ‘p’ represents in the arbitrary function of error?

A. 2K-dimension vector
B. 3K-dimension vector
C. 4K-dimension vector
D. None of the mentioned
Answer» D. None of the mentioned
Discussion
4.

We cannot choose any arbitrary function for the errors in magnitude and delay.

A. True
B. False
Answer» C.
Discussion
5.

If the error in delay is defined as Tg(ωk) – Tg(ω0) – Td(ωkk), then what is Tg(ω0)?

A. Filter delay at nominal frequency in stop band
B. Filter delay at nominal frequency in transition band
C. Filter delay at nominal frequency
D. Filter delay at nominal frequency in pass band
Answer» E.
Discussion
6.

The choice of Td(ωk) for error in delay is complicated.

A. True
B. False
Answer» B. False
Discussion
7.

What is the error in delay at the frequency ωk?

A. Tg(ωk)-Td(ωk)
B. Tg(ωk)+Td(ωk)
C. Td(ωk)
D. None of the mentioned
Answer» B. Tg(ωk)+Td(ωk)
Discussion
8.

What is the error in magnitude at the frequency ωk?

A. G.A(ωk) + Ad(ωk)
B. G.A(ωk) – Ad(ωk)
C. G.A(ωk) – A(ωk)
D. None of the mentioned
Answer» C. G.A(ωk) – A(ωk)
Discussion
9.

WE_CANNOT_CHOOSE_ANY_ARBITRARY_FUNCTION_FOR_THE_ERRORS_IN_MAGNITUDE_AND_DELAY.?$

A. True
B. False
Answer» C.
Discussion
10.

What should be the value of λ for the error to be placed entirely on delay?$#

A. 1
B. 1/2
C. 0
D. None of the mentioned
Answer» B. 1/2
Discussion
11.

What_does_‘p’_represents_in_the_arbitrary_function_of_error?$#

A. 2K- dimension vector
B. 3K- dimension vector
C. 4K- dimension vector
D. None of the mentioned
Answer» D. None of the mentioned
Discussion
12.

The iterative process may converge to a global minimum.

A. True
B. False
Answer» C.
Discussion
13.

Minimization of the error function over the remaining 4K parameters is performed by an iterative method.

A. True
B. False
Answer» B. False
Discussion
14.

Which of the following is true about the squared-error function E(p,G)?

A. Linear function of 4K parameters
B. Linear function of 4K+1 parameters
C. Non-Linear function of 4K parameters
D. Non-Linear function of 4K+1 parameters
Answer» E.
Discussion
15.

What_should_be_the_value_of_λ_for_the_error_to_be_placed_equally_on_magnitude_and_delay?$

A. 1
B. 1/2
C. 0
D. None of the mentioned
Answer» C. 0
Discussion
16.

If the error in delay is defined as Tg(ωk)- Tg(ω0)- Td(ωkk), then what is Tg(ω0)?#

A. Filter delay at nominal frequency in stop band
B. Filter delay at nominal frequency in transition band
C. Filter delay at nominal frequency
D. Filter delay at nominal frequency in pass band
Answer» E.
Discussion
17.

The choice of Td(ωk) for error in delay is complicated.$

A. True
B. False
Answer» B. False
Discussion
18.

What is the error in delay at the frequency ωk?$

A. T<sub>g</sub>(ω<sub>k</sub>)- T<sub>d</sub>(ω<sub>k</sub>)
B. T<sub>g</sub>(ω<sub>k</sub>)+ T<sub>d</sub>(ω<sub>k</sub>)
C. T<sub>d</sub>(ω<sub>k</sub>)
D. None of the mentioned
Answer» B. T<sub>g</sub>(‚âà√¨‚àö¬¢<sub>k</sub>)+ T<sub>d</sub>(‚âà√¨‚àö¬¢<sub>k</sub>)
Discussion
19.

What is the error in magnitude at the frequency ωk?$

A. G.A(ω<sub>k</sub>) + A<sub>d</sub>(ω<sub>k</sub>)
B. G.A(ω<sub>k</sub>) – A<sub>d</sub>(ω<sub>k</sub>)
C. G.A(ω<sub>k</sub>) – A(ω<sub>k</sub>)
D. None of the mentioned
Answer» C. G.A(‚âà√¨‚àö¬¢<sub>k</sub>) ‚Äö√Ñ√∂‚àö√ë‚àö¬® A(‚âà√¨‚àö¬¢<sub>k</sub>)
Discussion
20.

Which of the following gives the equation for envelope delay?

A. dϴ(ω)/dω
B. ϴ(ω)
C. -dϴ(ω)/dω
D. -ϴ(ω)
Answer» D. -‚âà√¨¬¨‚Ä¢(‚âà√¨‚àö¬¢)
Discussion
21.

It is more convenient to deal with the envelope delay as a function of frequency.

A. True
B. False
Answer» B. False
Discussion
22.

In this type of designing, the system function of IIR filter is expressed in which form?

A. Parallel form
B. Cascade form
C. Mixed form
D. Any of the mentioned
Answer» C. Mixed form
Discussion
23.

Filter parameter optimization technique is used for designing of which of the following?

A. FIR in time domain
B. FIR in frequency domain
C. IIR in time domain
D. IIR in frequency domain
Answer» E.
Discussion