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.

What is the approximate transition width of main lobe of a Hamming window?

A. 4 /M
B. 8 /M
C. 12 /M
D. 2 /M
Answer» C. 12 /M
Discussion
2.

The width of each side lobes decreases with an decrease in M.

A. True
B. False
Answer» C.
Discussion
3.

Which of the following windows has a time domain sequence h(n)= (1- frac{2|n- frac{M-1}{2}|}{M-1} )?

A. Bartlett window
B. Blackman window
C. Hanning window
D. Hamming window
Answer» B. Blackman window
Discussion
4.

As M is increased, W( ) becomes wider and the smoothening produced by the W( ) is increased.

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

With an increase in the value of M, the height of each side lobe ____________

A. Do not vary
B. Does not depend on value of M
C. Decreases
D. Increases
Answer» E.
Discussion
6.

What is the magnitude response |W( )| of a rectangular window function?

A. ( frac{|sin( M/2)|}{|sin( /2)|} )
B. ( frac{|sin( /2)|}{|sin( M/2)|} )
C. ( frac{|cos( M/2)|}{|sin( /2)|} )
D. None of the mentioned
Answer» B. ( frac{|sin( /2)|}{|sin( M/2)|} )
Discussion
7.

What is the Fourier transform of the rectangular window of length M-1?

A. (e^{j (M-1)/2} frac{sin u2061( frac{ M}{2})}{sin u2061( frac{ }{2})} )
B. (e^{j (M+1)/2} frac{sin u2061( frac{ M}{2})}{sin u2061( frac{ }{2})} )
C. (e^{-j (M+1)/2} frac{sin u2061( frac{ M}{2})}{sin u2061( frac{ }{2})} )
D. (e^{-j (M-1)/2} frac{sin u2061( frac{ M}{2})}{sin u2061( frac{ }{2})} )
Answer» E.
Discussion