1
GATE ECE 2007
MCQ (Single Correct Answer)
+1
-0.3
If E denotes expectation, the variance of a random variable X is given by
2
GATE ECE 2001
MCQ (Single Correct Answer)
+1
-0.3
The PDF of a Gaussian random variable X is given by $${p_x}(x) = \,{1 \over {3\sqrt {2\pi } }}\,\exp \,[ - \,{(x - 4)^2}/18]$$.
The probability of the event {X = 4} is
3
GATE ECE 1998
MCQ (Single Correct Answer)
+1
-0.3
The probability density function of the envelope of narrow band Gaussian noise is
4
GATE ECE 1998
MCQ (Single Correct Answer)
+1
-0.3
The ACF of a rectangular pulse of duration T is
GATE ECE Subjects
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Network Theory
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Electronic Devices and VLSI
Analog Circuits
Digital Circuits
Microprocessors
Signals and Systems
Discrete Fourier Transform and Fast Fourier Transform Discrete Time Signal Fourier Series Fourier Transform Continuous Time Signal Laplace Transform Fourier Transform Representation of Continuous Time Signal Fourier Series Transmission of Signal Through Continuous Time LTI Systems Miscellaneous Sampling Continuous Time Linear Invariant System Discrete Time Linear Time Invariant Systems Discrete Time Signal Z Transform Transmission of Signal Through Discrete Time Lti Systems
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General Aptitude