Digital Signal Processing Questions and Answers, Set 22

Digital Signal Processing Questions and Answers

Q1. 

If the value of M increases, then the main lobe in the frequency response of the rectangular window becomes broader.

Answer :  

False

Q2. 

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

Answer :  

Increases

Q3. 

The roots of the equation H(z) must occur in ________

Answer :  

Reciprocal pairs

Q4. 

Which of the following is not suitable either as a low-pass or a high-pass filter?

Answer : 

h(n) anti-symmetric and M odd

Q5. 

The magnitude |H(ω)| cannot be constant in any finite range of frequencies, and the transition from pass-band to stop-band cannot be infinitely sharp.

Answer : 

True

Q6. 

Limit cycles in the recursive are directly attributable to which of the following?

Answer : 

Both of the mentioned

Q7. 

An effective remedy for curing the problem of overflow oscillations is to modify the adder characteristic.

Answer : 

True

Q8. 

What is the kind of relationship between Ω and ω?

Answer :  

One-to-one

Q9. 

What is the number of minima present in the pass band of the magnitude frequency response of a low-pass Chebyshev-I filter of order 4?

Answer :  

2

Q10. 

Chebyshev polynomials of odd orders are _____

Answer :  

Odd functions

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