Digital Signal Processing Questions and Answers
Q1.
The zeros of type-2 class of chebyshev filters lies on _____
Answer :
Imaginary axis
Q2.
In matched z-transform, the poles and zeros of H(s) are directly mapped into poles and zeros in z-plane.
Answer :
True
Q3.
By impulse invariance method, the IIR filter will have a unit sample response h(n) that is the sampled version of the analog filter.
Answer :
True
Q4.
An analog filter can be converted into digital filter by approximating the differential equation by an equivalent difference equation.
Answer :
True
Q5.
If the conversion technique is to be effective, the jΩ axis in the s-plane should map into the unit circle in the z-plane.
Answer :
True
Q6.
Which of the following is the first method proposed for design of FIR filters?
Answer :
Windowing technique
Q7.
Which of the following values can a frequency response take in frequency sampling technique?
Answer :
Zero or One
Q8.
D/A conversion is usually performed by combining a D/A converter with a sample-and-hold (S/H ) and followed by a low pass (smoothing) filter.
Answer :
True
Q9.
What is the type of quantizer, if a Zero is assigned a quantization level?
Answer :
Mid tread type
Q10.
In the practical A/D converters, if the first transition may not occur at exactly + 1/2 LSB, then such kind of error is known as ___
Answer :
Offset error
0 Comments