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中文摘要：
研究了非线性双稳系统的动力学机理,根据非线性系统产生随机共振的同步条件,提出了不满足绝热近似理论的大参数微弱信号实现随机共振的方法。通过对系统参数的适当调整,实现了大频率信号和大强度噪声淹没的微弱周期信号的检测。理论分析和仿真实验表明,该方法有效地实现了大参数微弱信号随机共振,使得利用随机共振法检测大参数微弱周期信号不再局限于尺度变换法。
英文摘要：
Dynamics mechanism of nonlinear bistable system is studied. According to the conditions of stochastic resonance of nonlinear system synchronization,the method of large parameter weak periodic signal which not meets the adiabatic approximation theory stochastic resonance is proposed. By adjusting system parameters properly it can detect the large frequency weak signal and weak signals submerged in the strong noise. Theoretical analysis and simulation experiments show that this method effectively implements the large parameters of the weak signal stochastic resonance,and the large parameter stochastic resonance is no longer confined to the scale transformation method.
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