Stochastic Resonance in System with On-Off Intermittency |
| A. Krawiecki Institute of Physics, Warsaw University of Technology, Koszykowa 75, 00-662 Warsaw, Poland |
| Received: June 5, 1997; in final form September 18, 1997 |
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| Stochastic resonance in a chaotic threshold-crossing system exhibiting on-off intermittency and attractor bubbling: the logistic map with the control parameter varying randomly or chaotically in time is studied in the case of weak additive and multiplicative periodic forcing. In both cases signal-to-noise ratio shows dependence on the forcing frequency; in the case of multiplicative forcing this dependence appears even for very small frequencies. It is shown that this is a result of a very long characteristic time scale, typical of systems with on-off intermittency. |
| DOI: 10.12693/APhysPolA.92.1101 PACS numbers: 05.45.+b, 05.40.+j |