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 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’s present in the pass band of 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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