On stochastic resonance of linear harmonic oscillator with frequency fluctuation in simple harmonic excitation
Author(s): ZHANG Liang-ying1, JIN Guo-xiang2, CAO Li3
Pages: 669-672,678
Year: 2012 Issue: 6
Journal: Journal of Yunnan University(Natural Sciences Edition)
Keyword: 频率噪声; 一阶矩; 随机共振;
Abstract: 研究了线性谐振子在固有频率存在白噪声的情况下受到简谐激励后的系统输出响应.计算出一阶矩的解析表达式后发现:输出响应是简谐振动,振动频率是激励力的频率,振幅随简谐激励力频率和固有频率的变化均出现随机共振.
Pages: 669-672,678
Year: 2012 Issue: 6
Journal: Journal of Yunnan University(Natural Sciences Edition)
Keyword: 频率噪声; 一阶矩; 随机共振;
Abstract: 研究了线性谐振子在固有频率存在白噪声的情况下受到简谐激励后的系统输出响应.计算出一阶矩的解析表达式后发现:输出响应是简谐振动,振动频率是激励力的频率,振幅随简谐激励力频率和固有频率的变化均出现随机共振.
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