Digital Signal Processing Questions and Answers
Q1.
In one of the interpolation process, we can preserve the spectral shape of the signal sequence x(n).
Answer :
True
Q2.
What is the Butterworth polynomial of order 1?
Answer :
s+1
Q3.
The low pass, high pass, band pass and band stop filters can be designed by applying a specific transformation to a normalized low pass filter.
Answer :
True
Q4.
What does ‘p’ represents in the arbitrary function of error?
Answer :
4K-dimension vector
Q5.
It is not desirable to restrict the inverse filter to be FIR.
Answer :
False
Q6.
Which of the following filter we use in least square design methods?
Answer :
All pole
Q7.
Which of the following techniques of designing IIR filters do not involve the conversion of an analog filter into digital filter?
Answer :
Impulse invariance
Q8.
According to this method of designing, the filter should have which of the following in large number?
Answer :
Both poles and zeros
Q9.
Which of the following methods are inappropriate to design high pass and many band pass filters?
Answer :
Impulse invariance & Mapping of derivatives
Q10.
Low pass Butterworth filters are also called as ________
Answer :
All-pole filter
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