Suprathreshold stochastic resonance in multilevel threshold systems

被引：363

作者：

Stocks, NG ^{[1
]}

机构：

[1] Univ Warwick, Sch Engn, Coventry CV4 7AL, W Midlands, England

来源：

PHYSICAL REVIEW LETTERS | 2000年 / 84卷 / 11期

关键词：

D O I：

10.1103/PhysRevLett.84.2310

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

A new form of stochastic resonance (SR) that occurs in multilevel threshold signal detectors is reported. In contrast to classical SR, which extends the dynamic range of threshold detectors to subthreshold signal levels, this new form of SR extends the dynamic range to suprathreshold signal strengths. The effect is most dominant, and can outperform networks based on standard engineering design, when all thresholds adapt to the de level of the signal. This has an interesting analogy to de adaptation in neurons. The possible connection between these two effects is discussed.

引用

页码：2310 / 2313

页数：4

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