Digital Signal Processing Questions and Answers, Set 28

Digital Signal Processing Questions and Answers

Q1. 

C=I is the desired normalization factor.

Answer :  

True

Q2. 

What is the region between the origin and the passband frequency in the magnitude frequency response of a low-pass filter?

Answer :  

Pass band

Q3. 

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

Answer :  

IIR in the frequency domain

Q4. 

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

Answer :  

1

Q5. 

What should be the length of the truncated filter?

Answer :  

Infinite

Q6. 

What should be the value of y(n) at n=0?

Answer :  

1

Q7. 

In DM, what is the order of the predictors used?

Answer :  

First-order predictor

Q8. 

Which of the following conditions are in favor of the Pade approximation method?

Answer :  

Desired system function is rational, & Prior knowledge of the number of poles and zeros

Q9. 

The impulse invariance method and mapping of derivatives are inappropriate to use in the design of high-pass and band-pass filters due to the aliasing problem.

Answer :  

True

Q10. 

Which of the following is true about a type-1 Chebyshev filter?

Answer :  

Equi-ripple behavior in the pass band & Monotonic characteristic in the stop band

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