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22 Abril 2021, 11:00 • Rita Sousa

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Properties of the autocorrelation function of wide-sense stationary processes. Solving Problem 4.15-(a) and (b). Time averages. Ensemble average versus time average. Ergodicity of random processes. Relation between stationarity and ergodicity. Solving Problem 4.18-(a) to (f).

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22 Abril 2021, 09:30 • Rita Sousa

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Quiz "PDFs em TCE I". Solving Problem 4.1-(d) and (e). Stationarity of random processes. Solving Problem 4.7.

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21 Abril 2021, 11:00 • Rita Sousa

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Quiz "PDFs em TCE II". Time averages. Ensemble average versus time average. Ergodicity of random processes. Relation between stationarity and ergodicity. Solving Problem 4.18-(a) to (f).

Lesson nº26

21 Abril 2021, 09:30 • Rita Sousa

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Quiz "PDFs em TCE I". Solving Problem 4.1-(d) and (e). Stationarity of random processes. Solving Problem 4.7. Properties of the autocorrelation function of wide-sense stationary processes. Solving Problem 4.15-(a) and (b).

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20 Abril 2021, 09:30 • Rita Sousa

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Quiz "Binomial, Poisson e exponencial I". Solving quiz "Binomial, Poisson e exponencial I". Introduction, objectives and bibliography of Chapter 4 "Random Signals and Noise with Applications to TCE". Random signals and stochastic processes: fundamental definitions (random process, random signal and random variable), mean value of random process, autocorrelation function, cross-correlation and covariance functions, independence, uncorrelatedness and orthogonality of random processes. Solving Problem 4.1-(a), (b) and (c).