Timeline for Is a white noise always zero mean and uncorrelated?
Current License: CC BY-SA 4.0
8 events
| when toggle format | what | by | license | comment | |
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| Oct 28, 2022 at 13:49 | history | edited | Rubem Pacelli | CC BY-SA 4.0 |
added 25 characters in body
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| Oct 19, 2022 at 21:49 | comment | added | Dilip Sarwate | I am glad that you have found an answer that is acceptable to you, but be aware that there are WSS processes (not necessarily noise processes) for which $\lim_{\tau\to\infty} R_x(\tau)$ does not exist in the sense that $R_X(\tau)$ is not converging to a constant. An example is a WSS process $\{\cos(\omega_0 t+\Theta)\}$ where $\Theta\sim \mathcal U[0,2\pi)$ whose autocorrelation function is $R_X(\tau) = \frac 12\cos(\omega_0\tau)$ which doesn't approach the limit $0$ as $\tau\to\infty$. | |
| Oct 17, 2022 at 23:59 | history | edited | Rubem Pacelli | CC BY-SA 4.0 |
added 217 characters in body
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| Jun 8, 2022 at 1:54 | history | edited | Rubem Pacelli | CC BY-SA 4.0 |
correct equation
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| Jun 8, 2022 at 1:53 | vote | accept | Rubem Pacelli | ||
| Jun 6, 2022 at 18:33 | history | edited | Rubem Pacelli | CC BY-SA 4.0 |
correct equation
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| S Jun 6, 2022 at 18:25 | review | First answers | |||
| Jun 6, 2022 at 20:00 | |||||
| S Jun 6, 2022 at 18:25 | history | answered | Rubem Pacelli | CC BY-SA 4.0 |