We calculate effective dielectric constant of a single carbon nanotube with the mean field method.
把有序排列的碳纳米管看做二维光子晶体,引入平均场方法,先计算单根纳米碳管的有效介电常数,再用时域有限差分方法(FDTD)计算碳管阵列的有效介电常数,其结果与Maxwell-Garnett(MG)法结果相比,更接近实验数据。
The effective dielectric constant of single Carbon Nanotube is first calculated,then the On-shell method is applied to calculating the effective dielectric constant of two-dimensional crystal in array Carbon Nanotube.
引入平均场方法,计算单根碳管的有效介电常数。
A novel trapped image guide(NTIG) suitable for millimeter-wave integrated circuits is proposed,and the dispersion properties of the novel trapped image guide are obtained using the effective dielectric constant and the transverse resonance condition.
文中运用有效介电常数和横向谐振条件,将该新型结构等效成简化模型,并推导了新型陷波镜像波导相移常数的计算公式;最后给出2个计算实例,计算结果与Ansoft HFSS仿真结果吻合较好,说明该方法是行之有效的。
A model fordetermining theeffective elastic constantsof stitched lamina is established,in which the effectsof stitching parameterson elastic constantsofstitched lamina areanalyzed by consid- ering the nonuniform distribution and in- plan waviness of fibers induced by stitching.
建立了缝纫单层板的有效弹性常数分析模型。
The effective elastic constants of T700/QY8911 single ply plate of stitched lamina are calculated by the proposed model,and the comparison with unstitched model is also analyzed.
在此模型的基础上分析了T700/QY8911缝合单层板的有效弹性常数,并与未缝合模型进行了比较。
A model of determining effective elastic constants of stitched laminate is established,in which the in-plane waviness of fibers induced by stitching is considered and assumption of sine(cosine) curve of the waviness is done.
建立了缝合单层板弹性常数分析模型,通过考虑缝线穿过纤维时产生的弯曲并假设近似正(余)弦曲线,计算T700/QY8911缝合单层板的有效弹性常数,并将其与未缝合模型比较,总结了各缝合参数(行距、针距、缝线半径)对有效弹性常数的影响,为分析缝合层合板弹性常数提供了依据。
The methods for measuring the characteristic impendence and the effective permittivity at the multi discontinuity of transmission line are introduced.
本文作者提出了采用时域反射测量方法测量传输线的多点不连续性 ,推导了测量传输线多点不连续性所需要的公式 ,介绍了测量传输线多个不连续点特性阻抗和传输线有效介电常数的方法 ,给出了一个传输线不连续性测量实例的实验结果和有关数据 ,对实验条件进行了说明 ,并对实验结果及其误差进行了讨论。
The methods for measuring the characteristic impendence and the effective permittivity of coplanar waveguideswith conductor backing by time domain measurement are introduced.
介绍了测量不连续点特性阻抗和传输线有效介电常数的原理与方法,给出了测量背敷金属化层非对称共面波导的实验结果和有关数据,对实验进行了说明,并对实验结果及其误差进行了分析。
Study on Characteristics of Converging-Wave Based on Low Effective Permittivity Metamaterials
低有效介电常数复合材料的聚波特性研究
The even or odd mode effective dielectric constant is calculated by inserting the magnetic wall or electrical wall at the lateral boundry.
通过在电路的两侧人为地插入电壁或磁壁，分别解出电路的偶模与奇模有效介电常数。
Specific Phenomenon of Effective Permittivity for DMF-H_2O Solution
DMF水溶液的等效介电常数特异性
Effective permittivity of dielectric sphere with an eccentric spherical inclusion
含有偏心球形微粒介质球的有效介电常量
The high dielectric constant is characteristic of hydrogenbonded liquids.
高介电常数具有氢键液体的特征。
complex dielectric permittivity
复电容率, 复介电常数
Design of Probe for Effective Permittivity Measurement of Chemical Reaction in Dilute Solution;
稀溶液化学反应等效介电常数测量探头设计
Experimental Study on the Effective Permittivity of Saponification Reaction;
乙酸乙酯皂化反应等效复介电常数的实验研究
Study on the Equivalent Complex Permittivity of Liquid Phase Chemical Reactions;
液相化学反应体系等效复介电常数的研究
The Model of Dielectric Constant for Rain and Estimation of Its Parameters;
雨介质的介电常数模型及其参数估计
The more common electrical properties include electrical resistivity and conductivity, and the relative dielectric constant, which relates the accumulated charge across an insulator to the electric field.
通常的电性能有电阻率和电导率,相对介电常数,即绝缘体的蓄电荷与电场的关系。
(Mg_(1-x)Zn_x)Al_2O_4 Low Dielectric Constant Microwave Dielectric Ceramics;
（Mg_（1-x）Zn_x）Al_2O_4低介电常数微波介质陶瓷
Investigation on Permittivity Measurement Methods of Microwave Dielectric Materials;
微波介质材料介电常数测试方法研究
Preparation and Property of High-k HfO_2 Gate Dielectric Materials
高介电常数HfO_2栅介质的制备及性能
THE RECENT PROGRESS OF LOW DIELECTRIC CONSTANT MICROWAVE DIELECTRIC CERAMICS
低介电常数微波介质陶瓷的研究进展
Research on the Effective Permittivity and Optimum Design of Absorbing Coating with Core-shell Type Inclusions;
核壳型颗粒复合材料等效介电常数预测及吸波涂层优化设计
Study on Piezoceramics with High Dielectric and High Piezoelectric Coefficient;
高介电、高压电常数压电陶瓷的研究
Findings show that CB is a kind of electric loss medium and it has high electric conductivity and dielectric constants.
研究结果表明,炭黑属于一种电损耗介质,具有较高的电导率和较大的介电常数。
