resonance structure

It is proved by FEM analysis that the proposed shape and structure of the test box can avoid resonance with the model soil.

在选定模型箱结构的外形与构造时，借助有限元分析论证了可不与模型土发生共振的箱体构造；

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Its structure was confirmed by elemental analysis ( EA ) , nuclear magnet resonance ( NMR ) and photoluminescence ( PL ) .

首先通过元素分析和 核磁共振 及 发射光谱 证明了它的结构.

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After knowing the structure nature frequency, optimize the structure, such as disposal the point of support, reduce the number of elbow, change the thickness of pipe, setting the dilatant and so on, which offer a basic to avoid resonance.

当知道结构固有频率后，便可以通过优化结构，例如重新布置支点、减少弯头数、改变管的厚度、设置膨胀圈等方法，改变结构的固有频率，为避开共振频率打下基础。

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By the use of ADAMS/ Vibration, the vibration simulation analysis of the main structure model of TMD damping system is finished, attaining the frequency response curve of the main structure and obtaining the resonance frequency.

利用ADAMS/Vibration对TMD减振系统主结构模型进行了振动仿真分析，得到了主结构的频响曲线，获取了共振频率。

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Furthermore, new concepts of equivalent PEC wall and equivalent microwave resonance cavity are suggested to analyze the resonance phenomenon and filtering effect. The relationship between the filter structure and the filter center frequency is acquired and a method to calculate this center frequency is proposed.

进一步通过引入等效PEC面与等效微波谐振腔的概念，分析了谐振现象与滤波特性之间的关系，得到了滤波器中心频率与滤波器结构参数的关系式与中心频率的计算方法。

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Relying on the model, the unstable influence of the structure resonance is eliminated with an incomplete differential PID control algorithm. The control bandwidth can surpass its structure resonance frequency and wide bandwidth control can be realized through applying linear power amplifier.

依据模型，以不完全微分PID控制算法来消除结构谐振的不稳定影响，采用线性功率放大驱动方式，可使控制带宽超过其结构谐振频率，实现高带宽控制。

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The absorption peaks and transmittance characteristics of one-dimensional spherical silver nanoparticles array structure has been simulated, and the effect of particle size on resonance absorption peak as well as the effect of space of particles on transmittance have been discussed and studied.

模拟仿真一维球形银纳米粒子阵列结构的吸收峰和透射特性，在400nm-1100nm波长范围内，分析研究了粒子尺寸的大小对共振吸收峰的影响以及粒子间距对透射率的影响。

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The electron paramagnetic resonance spectra of the natural single crystal of the tetragonal structure zircon containing impurity Gd3+ have been measured.

本文测量了含有微量Gd~（3+）杂质并具有四角对称结构的天然锆石单晶的电子顺磁共振谱。

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Application of site-directed spin labeling combined with electron paramagnetic resonance to protein structure studies

位置定向自旋标记&电子顺磁共振技术在蛋白质结构研究中的应用

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Brain structure was studied using 3D magnetic resonance imaging ( MRI).

用三维磁共振成像（MRI）研究脑结构。

中考真题- 2018 北京 阅读C