Chin. Phys. Lett.  2003, Vol. 20 Issue (2): 202-205    DOI:
Original Articles |
Frequency Resonance in Stochastic Systems
QIAN Min1;ZHANG Xue-Juan
1LMAN, School of Mathematical Sciences, Peking University, Beijing 100871 2Shaoxing College of Arts and Sciences, Shaoxing 312000
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QIAN Min, ZHANG Xue-Juan 2003 Chin. Phys. Lett. 20 202-205
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Abstract The phenomenon of frequency resonance, which is usually related to deterministic systems, is investigated in stochastic systems. We show that for those autonomous systems driven only by white noise, if the output power spectrum exhibits a nonzero peak frequency, then applying a periodic signal just on this noise-induced central frequency can also induce a resonance phenomenon, which we call the frequency stochastic resonance. The effect of such a resonance in a coupled stochastic system is shown to be much better than that in a single-oscillator system.

Keywords: 05.40.-a      05.45.Xt     
Published: 01 February 2003
PACS:  05.40.-a (Fluctuation phenomena, random processes, noise, and Brownian motion)  
  05.45.Xt (Synchronization; coupled oscillators)  
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https://cpl.iphy.ac.cn/       OR      https://cpl.iphy.ac.cn/Y2003/V20/I2/0202
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