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3
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27k
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Define an ergodic process. Determine whether the stochastic process X(t) = Asin(t) + Bcos(t) is ergodic. Here A& B are normally distributed independent r.vs with zero mean and equal standard deviation
signals and systems updated 8.6 years ago by teamques10 ★ 69k
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Find E(X), E(Y) , E(XY), E(X2), E(Y2), var(X), var(Y), cov(X, Y) .
signals and systems updated 8.0 years ago by teamques10 ★ 69k
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1.8k
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Explain concept of power spectral density.
signals and systems updated 8.0 years ago by teamques10 ★ 69k
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7.3k
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Prove that Energy of a power signal is infinite and power of an energy signal is zero.
signals and systems updated 2.7 years ago by RahulkumarTivarekar • 110
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Prove that if input LTI system is WSS the output is also WSS. What is Ergodic process?
signals and systems updated 8.6 years ago by teamques10 ★ 69k
2
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16k
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State and prove the following properties of Fourier Transform
signals and systems updated 7.9 years ago by teamques10 ★ 69k
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3.7k
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Let X1, X2, X3,...........be sequence of Random variables
signals and systems updated 8.6 years ago by teamques10 ★ 69k
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3.5k
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For a continuous time signal
signals and systems updated 6.2 years ago by teamques10 ★ 69k
2
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3.7k
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Find the autocorrelation, power and power spectral density of the signal $X (t) = 3 \cos t+4 \cos3t.$
signals and systems updated 8.3 years ago by teamques10 ★ 69k
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20k
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State and prove Chapman-Kolmogorov equation.
signals and systems updated 2.3 years ago by sagarkolekar ★ 11k
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1.6k
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1
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Short Note: LTI systems with stochastic input
signals and systems updated 8.6 years ago by teamques10 ★ 69k
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1
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13k
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State and explain various properties of autocorrelation function and power spectral density function.
signals and systems updated 8.6 years ago by teamques10 ★ 69k
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2.7k
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Short Note: LTI systems with stochastic input
signals and systems updated 8.6 years ago by teamques10 ★ 69k
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2.7k
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What is Power spectral Density? Explain its significance. Find the power spectral density of random process given by X(t) = acos(bt+Y) where Y is random variable uniformly distributed over $0, 2\pi$
signals and systems updated 8.6 years ago by teamques10 ★ 69k
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1.7k
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show that X(t) is stationary
signals and systems updated 8.6 years ago by teamques10 ★ 69k
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1.9k
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State and explain: i. Independent Events ii. Joint and conditional probabilities of events
signals and systems updated 8.6 years ago by teamques10 ★ 69k
0
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1
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7.5k
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1
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What is Power spectral Density? Explain significance.Find the power spectral density of random process given by X(t) = acos(bt+Y) where Y is a random variable uniformly distributed over (0,2$\pi$)
signals and systems updated 8.6 years ago by teamques10 ★ 69k
1
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1
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2.3k
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1
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State and explain various properties of autocorrelation function and power spectral density function.
signals and systems updated 8.6 years ago by teamques10 ★ 69k
0
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1
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2.7k
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1
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Define an ergodic process. Determine whether the stochastic process X(t) = Asin(t) + Bcos(t) is ergodic. Here A& B are normally distributed independent r.vs with zero mean and equal standard deviation
signals and systems updated 8.6 years ago by teamques10 ★ 69k
0
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1
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1.4k
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1
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autocorrelation function of the equation
signals and systems updated 8.6 years ago by teamques10 ★ 69k
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1
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1.8k
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1
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Explain strong law of large numbers and weak law of large numbers
signals and systems updated 8.6 years ago by teamques10 ★ 69k
0
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1
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8.9k
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1
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The joint density function of two continuous r.$v'$s X and Y is
signals and systems updated 8.6 years ago by teamques10 ★ 69k
0
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1
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1.2k
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1
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Explain what is moment generating function and why is it called so?
signals and systems updated 8.6 years ago by teamques10 ★ 69k
0
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1
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464
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1
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Find exponential series for the signal shown in figure,
signals and systems updated 2.1 years ago by prajapatijaimin • 3.3k
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1
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1.4k
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1
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Find Out the probability
signals and systems updated 8.6 years ago by teamques10 ★ 69k
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