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 Hilbert transform is infinite in duration and causal.
Answer :
False
Q3.
What is the value of unit sample response of an ideal Hilbert transform for ‘n’ even?
Answer :
0
Q4.
Full band differentiators can be achieved with an FIR filters having odd number of coefficients.
Answer :
False
Q5.
In which of the following way the real valued desired frequency response is defined?
Answer :
Unity in pass band and zero in stop band
Q6.
In 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 number of points, the error function is 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)| are 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 side lobe
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