Digital Signal Processing Questions and Answers
Q1.
The factors Computational complexity, memory requirements and finite word length effects are the ONLY factors influencing our choice of the realization of the system.
Answer :
False
Q2.
The unit sample response of Hilbert transform is ______
Answer :
Anti-symmetric
Q3.
How is the frequency response of an ideal differentiator related to the frequency?
Answer :
Linearly proportional
Q4.
What is the weighting function used in the design of FIR differentiators based on the chebyshev approximation criterion?
Answer :
1/ω
Q5.
The error function E(ω) should exhibit at least how many extremal frequencies in S?
Answer :
L+2
Q6.
The filter designs which are formulated using chebyshev approximating problem have ripples in?
Answer :
Pass & Stop band
Q7.
The filter designs that contain more than L+2 alternations are called as ______
Answer :
Extra ripple filters
Q8.
What is the value of JTYPE in the Parks-McClellan program for a Hilbert transformer?
Answer :
3
Q9.
The major advantage of designing linear phase FIR filter using frequency sampling method lies in the efficient frequency sampling structure.
Answer :
True
Q10.
What is the peak side lobe (in dB) for a rectangular window?
Answer :
-13
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