基于Kramers逃逸速率的Dung振子广义调参随机共振研究
Generalized parameter-adjusted sto chastic resonance of Duffing oscillator based on Kramers rate
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摘要: 以二维Duffing振子的随机共振为研究对象,提出Duffing振子的广义调参随机共振。以Kramers逃逸速率为基础,建立了Duffing振子随机共振的判别函数,阐述了Duffing振子在不同噪声强度及信号频率输入条件下的广义调参随机共振规律,并给出了Duffing振子广义调参随机共振的一般方法。
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关键词:
- Duffing振子 /
- 随机共振 /
- Kramers逃逸速率 /
- 广义参数调节
Abstract: The stochastic resonance (SR) of two-dimensional Duffing oscillator is studied in this paper. We propose the generalized parameter-adjustment SR of Duffing oscillator. On the basis of Kramers rate, we build a discrimination function of the SR of Duffing oscillator, and we expound the generalized parameter-adjustment SR laws of Duffing oscil-lator under different noise intensity and signal frequency conditions. The general method of generating the generalized parameter-adjustment SR of Duffing oscillator is also given in this paper. -
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