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| Content Provider | EDP Sciences |
|---|---|
| Author | L. Cao D. J. Wu |
| Abstract | The stochastic resonance characteristics of a linear system driven by a signal-modulated noise and an unmodulated noise are studied. Both the signal-modulated noise and the unmodulated noise are additive in nature and they are correlated. Our study shows that the correlation between the two noises leads to stochastic resonance. An exact analytic expression of the signal-to-noise ratio R is obtained. Based on it, some characteristic features of stochastic resonance are revealed. In the final analysis, the existence of a resonance peak of R vs. noise intensity is a noise correlation effect. On the other hand, the existence of a resonance peak of R vs. noise correlation time τ exhibits a signal-modulated effect of noise. It should be emphasized that the resonance peak of the R-τ curve exists even for uncorrelated noises. This is very different from the case of dependence on the noise strengths. |
| Ending Page | 598 |
| Starting Page | 593 |
| Page Count | 6 |
| File Format | HTM / HTML PDF |
| ISSN | 02955075 |
| Alternate Webpage(s) | https://epljournal.edpsciences.org/articles/epl/abs/2003/05/7510/7510.html |
| e-ISSN | 12864854 |
| Issue Number | 5 |
| Journal | Europhysics Letters |
| Volume Number | 61 |
| DOI | 10.1209/epl/i2003-00112-5 |
| Language | English |
| Publisher | EDP Sciences |
| Publisher Date | 2003-03-01 |
| Access Restriction | One Nation One Subscription (ONOS) |
| Rights Holder | © EDP Sciences, 2003 |
| Subject Keyword | Fluctuation phenomena, random processes, noise, and Brownian motion Stochastic processes |
| Content Type | Text |
| Resource Type | Article |
| Subject | Physics and Astronomy |
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