Digital Signal Processing Lti System Frequency Selective Filters Online Exam Quiz
Digital Signal Processing Lti System Frequency Selective Filters GK Quiz. Question and Answers related to Digital Signal Processing Lti System Frequency Selective Filters. MCQ (Multiple Choice Questions with answers about Digital Signal Processing Lti System Frequency Selective Filters
If the low pass filter described by the difference equation y(n)=0.9y(n-1)+0.1x(n) is converted into a high pass filter, then what is the frequency response of the high pass filter?
Options
A : 0.1/(1+0.9ej?)
B : 0.1/(1+0.9e-j?)
C : 0.1/(1-0.9ej?)
D : None of the mentioned
Which of the following filters have a frequency response as shown below?
Options
A : Band pass filter
B : Band stop filter
C : All pass filter
D : Notch filter
If hlp(n) denotes the impulse response of a low pass filter with frequency response Hlp(?), then what is the frequency response of the high pass filter in terms of Hlp(?)?
Options
A : Hlp(?-?/2)
B : Hlp(?+?/2)
C : Hlp(?-?)
D : Hlp(?+?)
If the phase ?(?) of the system is linear, then the group delay of the system?
Options
A : Increases with frequency of signal
B : Constant
C : Decreases with frequency of signal
D : Independent of frequency of signal
Which filter has a magnitude frequency response as shown in the plot given below?
Options
A : Low pass Filter
B : High pass Filter
C : Band pass Filter
D : Band stop Filter
The filter with the system function H(z)=z-k is a ____________
Options
A : Notch filter
B : Band pass filter
C : All pass filter
D : None of the mentioned
A comb filter is a special case of notch filter in which the nulls occur periodically across the frequency band.
Options
A : True
B : False
C :
D :
A digital resonator is a special two pole band pass filter with the pair of complex conjugate poles located near the unit circle.
Options
A : True
B : False
C :
D :
An ideal filter should have zero gain in their stop band.
Options
A : True
B : False
C :
D :
If the system has a impulse response as h(n)=Asin(n+1)?0u(n), then the system is known as Digital frequency synthesizer.
Options
A : True
B : False
C :
D :
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