Explore topic-wise MCQs in Digital Signal Processing.

This section includes 10 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.

The filter designs which are formulated using chebyshev approximating problem have ripples in?

A. Pass band
B. Stop band
C. Pass & Stop band
D. Restart band
Answer» D. Restart band
2.

In Parks-McClellan program, an array of maximum size 10 that specifies the weight function in each band is denoted by?

A. WTX
B. FX
C. EDGE
D. None of the mentioned
Answer» B. FX
3.

When |E( )| for all frequencies on the dense set, the optimal solution has been found in terms of the polynomial H( ).

A. True
B. False
Answer» B. False
4.

Remez exchange algorithm is an iterative algorithm used in error approximation.

A. True
B. False
Answer» B. False
5.

The filter designs that contain maximum number of alternations are called as ______________

A. Extra ripple filters
B. Maximal ripple filters
C. Equi ripple filters
D. None of the mentioned
Answer» C. Equi ripple filters
6.

The error function E( ) should exhibit at least how many extremal frequencies in S?

A. L
B. L-1
C. L+1
D. L+2
Answer» E.
7.

In which of the following way the real valued desired frequency response is defined?

A. Unity in stop band and zero in pass band
B. Unity in both pass and stop bands
C. Unity in pass band and zero in stop band
D. Zero in both stop and pass band
Answer» D. Zero in both stop and pass band
8.

If the filter has anti-symmetric unit sample response with M odd, then what is the value of Q( )?

A. cos( /2)
B. sin( /2)
C. 1
D. sin
Answer» E.
9.

If the filter has symmetric unit sample response with M odd, then what is the value of Q( )?

A. cos( /2)
B. sin( /2)
C. 1
D. sin
Answer» D. sin
10.

If 1 represents the ripple in the pass band for a chebyshev filter, then which of the following conditions is true?

A. 1- <sub>1</sub> H<sub>r</sub>( ) 1+ <sub>1</sub>; | | <sub>P</sub>
B. 1+ <sub>1</sub> H<sub>r</sub>( ) 1- <sub>1</sub>; | | <sub>P</sub>
C. 1+ <sub>1</sub> H<sub>r</sub>( ) 1- <sub>1</sub>; | | <sub>P</sub>
D. 1- <sub>1</sub> H<sub>r</sub>( ) 1+ <sub>1</sub>; | | <sub>P</sub>
Answer» B. 1+ <sub>1</sub> H<sub>r</sub>( ) 1- <sub>1</sub>; | | <sub>P</sub>