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Frequency Resonance in Stochastic Systems
作者姓名:钱敏  张雪娟
作者单位:[1]LMAN,SchoolofMathematicalSciences,PekingUniversity,Beijing100871 [2]ShaoxingCollegeofArtsandSciences,Shaoxing312000
摘    要:The phenomenon of frequency resonance,which is usually related to deterministic systems.is investigated in stochastic systems.We show that for those autonomous systems driven only by white noise,if the output power spectrum exhibits a nonzero peak frequency,then applying a periodic signal just on this noise-induced central frequency can also induce a resonance phenomenon,which we call the frequency stochastic resonance.The effect of such a resonance in a coupled stochastic system is shown to be much better than that in a single-oscillator system.

关 键 词:随机系统  噪声影响  频率共振
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