Digital Signal Processing Questions and Answers, Set 16

Digital Signal Processing Questions and Answers

Q1. 

Finite word length effects refer to the quantization effects that are inherent in any digital implementation of the system, either in hardware or software.

Answer : 

True

Q2. 

The unit sample response of the Hilbert transform is infinite in duration and causal.

Answer : 

False

Q3. 

What is the value of the unit sample response of an ideal Hilbert transform for ‘n’ even?

Answer : 

0

Q4. 

Full band differentiators can be achieved with an FIR filter having an odd number of coefficients.

Answer :  

False

Q5. 

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

Answer :  

Unity in the pass band and zero in the stop band

Q6. 

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

Answer :  

WTX

Q7. 

If M is the length of the filter, then at how many points is the error function computed?

Answer : 

16M

Q8. 

If |E(ω)|<δ for some frequencies on the dense set, then a new set of frequencies corresponding to the L+2 largest peaks of |E(ω)| is selected and computation is repeated.

Answer : 

False

Q9. 

The linear equations for determining {h(n)} from {H(k+α)} are not simplified.

Answer : 

False

Q10. 

Why is it desirable to optimize frequency response in the transition band of the filter?

Answer :  

Reduce the side lobes

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