Shannon熵在声学中的表征工具
Shannon Entropy as Characterization Tool in Acoustics
摘要：
我们引入香农信息熵来表征由两种不同类流体Meta材料制成的超声超晶格中共振类齐纳现象中出现的避免交叉。我们表明，香农熵给出了一个正确的物理见解的本地化效果发生，并体现了信息交换的参与声学状态的参数在狭窄的区域，避免交叉发生。甲基丙烯酸甲酯和水的空腔，其中的声学齐纳效应最近被证明的交替层组成的超声结构的结果，也有报道。
英文摘要：
We introduce Shannon's information entropy to characterize the avoided crossing appearing in the resonant Zener-like phenomenon in ultrasonic superlattices made of two different fluidlike meta- materials. We show that Shannon's entropy gives a correct physical insight of the localization effects taking place and manifest the informational exchange of the involved acoustic states in the narrow region of parameters where the avoided crossing occurs. Results for ultrasonic structures consisting of alternating layers of methyl-metacrylate and water cavities, in which the acoustic Zener effect were recently demonstrated, are also reported.
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