1
GATE ECE 1995
MCQ (Single Correct Answer)
+1
-0.3
For a narrow band noise with Gaussian quadrature and inphase components, the probability density function of its enveolope will be
A
uniform
B
Gaussian
C
exponential
D
Rayleigh
2
GATE ECE 1995
MCQ (Single Correct Answer)
+1
-0.3
The transfer function of a linear system is the
A
Ratio of the output, V0(t) and input Vi(t)
B
Ratio of the derivatives of the output and the input
C
Ratio of the Laplace transform of the output and that of the input with all initial conditions zeros
D
none of these
3
GATE ECE 1995
MCQ (Single Correct Answer)
+1
-0.3
Signal flow graph is used to find
A
stability of the system
B
controllability of the system
C
transfer function of the system
D
poles of the system
4
GATE ECE 1995
MCQ (Single Correct Answer)
+1
-0.3
For a second order system, damping ratio $$\left(\xi\right)$$ , is 0 < $$\xi$$ < 1 ,then the roots of the characteristic polynomial are
A
Real but not equal
B
Real and equal
C
Complex conjugate
D
Imaginary
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