Digital Signal Processing Questions and Answers
Q1.
What is the pass band edge frequency of an analog low pass normalized filter?
Answer :
1 rad/sec
Q2.
What is the region between stop band and the pass band frequencies in the magnitude frequency response of a low pass filter?
Answer :
Transition band
Q3.
In this type of designing, the system function of IIR filter is expressed in which form?
Answer :
Cascade form
Q4.
What should be the value of λ for the error to be placed equally on magnitude and delay?
Answer :
1/2
Q5.
Which of the following criterion can be used to optimize the M+1 filter coefficients?
Answer :
Least squares error criterion
Q6.
The error between the desired output and actual output is represented by y(n).
Answer :
True
Q7.
What is the number of parameters that a filter consists of?
Answer :
M+N+1
Q8.
For what number of zeros, the approximation is poor?
Answer :
3
Q9.
We can employ the analog frequency transformation followed by conversion of the result into the digital domain by use of impulse invariance and mapping the derivatives.
Answer :
False
Q10.
Type-2 chebyshev filters consists of ______
Answer :
Both poles and zeros
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