Periodic and random perturbation of catalytic oxidation of CO

被引：0
|
作者：
杨灵法
侯中怀
辛厚文
机构：
来源：
Science in China(Series B) | 1999年 / 03期
基金：
中国国家自然科学基金;
关键词：
stochastic resonance; catalytic oxidation of CO; nonlinear dynamics; bifurcation;
D O I：
暂无
中图分类号：
O643.1 [化学动力学];
学科分类号：
摘要：
When a controllable input is modulated by noise and signal, the response of a nonlinear system may exhibit a synchronized effect, which is referred to as stochastic resonance(SR). With the help of noise, the detection of weak signal may become possible and its signal-to-noise ratio can be increased. A model to describe catalytic oxidation of CO on single crystal was adopted, and its stability was studied by linear analysis method. Through computer simulation, the responses under periodic and random perturbation were analyzed. Stochastic resonance behavior was found in a narrow bistable region, or near the oscillatory region. The results shows more characteristics than those of 1-dimensional system does.
引用
收藏
页码：332 / 336
页数：5
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