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Array-enhanced Logical Stochastic Resonance in Coupled Bistable Systems 被引量:1
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作者 吴昊 江慧军 侯中怀 《Chinese Journal of Chemical Physics》 SCIE CAS CSCD 2012年第1期70-76,I0004,共8页
We investigate the impact of coupling on the reliability of the logic system as well as the logical stochastic resonance (LSR) phenomenon in the coupled logic gates system. It is found that compared with single logi... We investigate the impact of coupling on the reliability of the logic system as well as the logical stochastic resonance (LSR) phenomenon in the coupled logic gates system. It is found that compared with single logic gate, the coupled system could yield reliable logic outputs in a much wider noise region, which means coupling can obviously improve the reliability of the logic system and thus enhance the LSR effect. Moreover, we find that the enhancement is larger for larger system size, whereas for large enough size the enhancement seems to be saturated. Finally, we also examine the effect of coupling strength, it can be observed that the noise region where reliable logic outputs can be obtained evolves non-monotonically as the coupling strength increases, displaying a resonance-like effect. 展开更多
关键词 Logic gate Noise COUPLING Logical stochastic resonance
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