Basic Digital Signal Processing Online Exam Quiz
Basic Digital Signal Processing GK Quiz. Question and Answers related to Basic Digital Signal Processing. MCQ (Multiple Choice Questions with answers about Basic Digital Signal Processing
What should be the value of |ak| to ensure that a stable filter is transformed into another stable filter?
Options
A : < 1
B : =1
C : > 1
D : 0
In which of the following transformations, it doesn’t matter whether the frequency transformation is performed in the analog domain or in frequency domain?
Options
A : Impulse invariance
B : Mapping of derivatives
C : Bilinear transformation
D : None of the mentioned
Which of the following methods are inappropriate to design high pass and many band pass filters?
Options
A : Impulse invariance
B : Mapping of derivatives
C : Impulse invariance & Mapping of derivatives
D : None of the mentioned
The mapping z-1 ? g(z-1) must be __________
Options
A : Low pass
B : High pass
C : Band pass
D : All-pass
The mapping z-1 ? g(z-1) must map inside the unit circle in the z-plane into __________
Options
A : Outside the unit circle
B : On the unit circle
C : Inside the unit circle
D : None of the mentioned
It is better to perform the mapping from an analog low pass filter into a digital low pass filter by either of these mappings and then perform the frequency transformation in the digital domain.
Options
A : True
B : False
C :
D :
The frequency transformation in the digital domain involves replacing the variable z-1 by a rational function g(z-1).
Options
A : True
B : False
C :
D :
The impulse invariance method and mapping of derivatives are inappropriate to use in the designing of high pass and band pass filters due to aliasing problem.
Options
A : True
B : False
C :
D :
The unit circle must be mapped outside the unit circle.
Options
A : True
B : False
C :
D :
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.
Options
A : True
B : False
C :
D :
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