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Recent questions tagged gaussstheorem
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GATE ECE 2020  Question: 24
The random variable $Y=\int_{\infty }^{\infty }W\left ( t \right )\phi \left ( t \right )dt, \text{ where } \phi \left ( t \right )=\begin{cases} 1; & 5\leq t\leq 7 &\\ 0; & \text{otherwise} \end{cases}$ and $W(t)$ is ... noise process with twosided power spectral density $S_{W}\left ( f \right )=3 W/Hz$, for all $f$. The variance of $Y$ is ________.
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Feb 13, 2020
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Vector Analysis
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jothee
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GATE ECE 2014 Set 4  Question: 3
Let $X$ be a zero mean unit variance Gaussian random variable. $E[ \mid X \mid ]$ is equal to __________
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Mar 26, 2018
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Vector Analysis
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Milicevic3306
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gate2014ec4
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GATE ECE 2014 Set 4  Question: 52
Consider a discretetime channel $Y=X +Z$, where the additive noise $Z$ is signaldependent. In particular, given the transmitted symbol $ X \in \{a , +a\}$ at any instant, the noise sample $Z$ is chosen independently from a Gaussian distribution with mean $\beta X$ and unit ... $\beta = 0.3$, the BER is closest to $10^{7}$ $10^{6}$ $10^{4}$ $10^{2}$
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Mar 26, 2018
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Vector Analysis
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Milicevic3306
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15.8k
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