Digital Signal Processing Analysis Lti System Z Domain Online Exam Quiz
Digital Signal Processing Analysis Lti System Z Domain GK Quiz. Question and Answers related to Digital Signal Processing Analysis Lti System Z Domain. MCQ (Multiple Choice Questions with answers about Digital Signal Processing Analysis Lti System Z Domain
What is the transient response of the system described by the difference equation y(n)=0.5y(n-1)+x(n) when the input signal is x(n)= 10cos(?n/4)u(n) and the system is initially at rest?
Options
A : (0.5)nu(n)
B : 0.5(6.3)nu(n)
C : 6.3(0.5)n
D : 6.3(0.5)nu(n)
A linear time invariant system is characterized by the system function H(z)=11?0.5z ?1 +21?3z ?1 . What is the h(n) if the system is anti causal?
Options
A : (0.5)nu(n)+2(3)nu(n)
B : (0.5)nu(-n-1)-2(3)nu(-n-1)
C : -[(0.5)n+2(3)n]u(-n-1)
D : (0.5)nu(n)-2(3)nu(-n-1)
A linear time invariant system is characterized by the system function H(z)=11?0.5z ?1 +21?3z ?1 . What is the h(n) if the system is stable?
Options
A : (0.5)nu(n)-2(3)nu(n)
B : (0.5)nu(-n-1)-2(3)nu(-n-1)
C : (0.5)nu(-n-1)-2(3)nu(n)
D : (0.5)nu(n)-2(3)nu(-n-1)
A linear time invariant system is characterized by the system function H(z)=11?0.5z ?1 +21?3z ?1 . What is the ROC of H(z) if the system is causal?
Options
A : |z|<3
B : |z|>3
C : |z|<0.5
D : |z|>0.5
What is the steady-state response of the system described by the difference equation y(n)=0.5y(n-1)+x(n) when the input signal is x(n)= 10cos(?n/4)u(n) and the system is initially at rest?
Options
A : 13.56cos(?n/4 -28.7o)
B : 13.56cos(?n/4 +28.7o)u(n)
C : 13.56cos(?n/4 -28.7o)u(n)
D : None of the mentioned
A linear time invariant system is said to be BIBO stable if and only if the ROC of the system function _____________
Options
A : Includes unit circle
B : Excludes unit circle
C : Is an unit circle
D : None of the mentioned
If all the poles of H(z) are inside the unit circle, then the system is said to be ____________
Options
A : Only causal
B : Only BIBO stable
C : BIBO stable and causal
D : None of the mentioned
If all the poles of H(z) are outside the unit circle, then the system is said to be _____________
Options
A : Only causal
B : Only BIBO stable
C : BIBO stable and causal
D : None of the mentioned
If one or more poles are located near the unit circle, then the rate of decay of signal is _________
Options
A : Slow
B : Constant
C : Rapid
D : None of the mentioned
If all the poles have small magnitudes, then the rate of decay of signal is __________
Options
A : Slow
B : Constant
C : Rapid
D : None of the mentioned
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