...理的研究 目前为止,人们发现的声子晶体带隙机理有两种:布拉格散射(Bragg Scattering)带隙机理和局域共振(Locally Resonant)带隙机理。布拉格散射带隙机理强调周期结构在带隙形成中的作用。
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局域共振声学超常材料 Locally Resonant Sonic Metamaterials
The band gaps of locally resonant phononic crystal provide a new idea for vibration and noise reduction.
声子晶体局域共振带隙特性的发现为实际工程中的设备减振降噪提供了一种全新的思路。
参考来源 - 基于声子晶体理论的潜艇推进轴系纵向减振技术研究Firth, we study the band gaps optimization in locally resonant phononic crystal.
第四,研究了基于局域共振机制的声子晶体的带隙优化问题。
参考来源 - 声子晶体带隙结构优化研究·2,447,543篇论文数据,部分数据来源于NoteExpress
实验和理论显示,对于局域共振声学材料而言,动态质量密度甚至还会变成是负的。
The dynamic mass density can even be negative for the locally resonant sonic materials, as demonstrated both experimentally and theoretically.
我把冥想态接近宇宙的真空状态的程度划分为不同的级别,在不同的级别中能够形成不同水平上同宇宙的局域共振。
I divided the degree for the meditative states to close the vacuum of the universe as the different levels; at different levels the meditative states form a local resonance with the universe.
结果表明,中间耦合会出现自旋波的共振局域现象。
It is shown that resonant confined models of spin wares occurs when the interface coupling is moderately strong.
When we talk about resonance structures, the key word is that the electrons are delocalized.
但我们讨论共振结构的时候,关键词应该是非局域化的电子。
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