A review of stochastic resonance: Circuits and measurement

被引：174
作者：
Harmer, GP
Davis, BR
Abbott, D [1 ]
机构：
[1] Univ Adelaide, Dept Elect & Elect Engn, Adelaide, SA, Australia
[2] Univ Adelaide, Ctr Biomed Engn, Adelaide, SA, Australia
来源：
IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT | 2002年 / 51卷 / 02期
基金：
澳大利亚研究理事会;
关键词：
bistable circuits; level crossing circuits; stochastic resonance;
D O I：
10.1109/19.997828
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Noise in dynamical systems is usually considered a nuisance. However, in certain nonlinear systems, including electronic circuits and biological sensory systems, the presence of noise can enhance the detection of weak signals. The phenomenon is termed stochastic resonance and is of great interest for electronic instrumentation. We review and investigate the stochastic resonance of several bistable circuits. A new type of S characteristic circuit is demonstrated using simple nonlinear elements with an operational amplifier. Using this circuit, the effects on stochastic resonance were determined as the slope of the S shaped characteristic curve was varied.
引用
收藏
页码：299 / 309
页数：11
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