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二值噪声驱动下二阶线性系统的随机共振
  • ISSN号：1000-3290
  • 期刊名称：《物理学报》
  • 时间：0
  • 分类：O324[理学—一般力学与力学基础;理学—力学] TM571.6[电气工程—电器]
  • 作者机构：[1]西北工业大学应用数学系,西安710072
  • 相关基金：国家自然科学基金（批准号：10872165）资助的课题.
作者： 郭立敏[1], 徐伟[1], 阮春蕾[1], 赵燕[1]
关键词： 随机共振, 幅值增益, 二值噪声, 二阶线性系统, stochastic resonance, amplitude gain, dichotomous noise, second derivative linear system
中文摘要：

研究了二值噪声驱动下二阶线性系统的随机共振问题．采用平均法推导出系统输出幅值增益的表达式，考察了幅值增益与系统频率、输入信号频率、噪声强度和噪声相关时间的关系，发现系统输出幅值增益随这些参量呈单峰共振变化．另外，二值噪声的非对称性对共振峰值具有很大影响．

英文摘要：

We investigated the stochastic resonance for dichotomous noise in a second derivative linear system, measured the average to get the amplitude gain of the output signal, and studied its relationship with the frequency of the system, the frequency of the signal, the strength and correlation time of noises. The amplitude gain of the output signal shows a nonmonotonie dependence on these factors, and the parameter of the dichotomous noise effects the peak value of stochastic resonance.

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期刊信息
  • 《物理学报》
  • 北大核心期刊（2011版）
  • 主管单位:中国科学院
  • 主办单位:中国物理学会 中国科学院物理研究所
  • 主编：欧阳钟灿
  • 地址：北京603信箱(中国科学院物理研究所)
  • 邮编：100190
  • 邮箱：apsoffice@iphy.ac.cn
  • 电话：010-82649026
  • 国际标准刊号：ISSN：1000-3290
  • 国内统一刊号：ISSN：11-1958/O4
  • 邮发代号:2-425
  • 获奖情况:
  • 1999年首届国家期刊奖,2000年中科院优秀期刊特等奖,2001年科技期刊最高方阵队双高期刊居中国期刊第12位
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  • 被引量:49876