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乘性与信号调制噪声在线性模型中的随机共振

, PP. 270-272

Keywords: 随机共振,乘性噪声,信号调制噪声,线性模型

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Abstract:

研究了乘性噪声和信号调制噪声作用下一阶线性模型的随机共振现象.根据线性系统理论,利用噪声的统计特性,得到了系统输出幅度增益的解析表达式.研究发现,输出幅度增益是激励信号频率和系统参数的非单调函数,即出现了“真实的”随机共振和广义的随机共振现象；另外,输出幅度增益是噪声强度和噪声相关率的单调函数随噪声强度的增大而增大,随噪声相关率的增大而减小.

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