relative permittivity
英
美
网络 相对介电常数; 相对电容率; 介电常数; 相對電容率; 相对介电系数
双语例句
- The high-frequency limit of relative permittivity was the same in the parallel and the perpendicular orientation;
平行方向和垂直方向的介电常数高频极限量相等； - The research result shows that a planar wave going through a magnetic boundary does not produce the depolarization effect when the relative complex permittivity of the magnetic medium equals its relative complex permeability.
结果表明，当磁性媒质的相对复介电常数和相对复磁导率相等时，通过空气与磁性媒质边界的平面波不存在退极化效应。 - Based on measurement of loss tangent, computer simulations, especially simulation for relative dielectric permittivity varying with frequency, are used to make complex resistivity exploration closer to real geologic structure.
对基于损耗角正切测量的复电阻率探测进行仿真计算，特别是相对介电常数随频率变化的模型进行仿真，使复电阻率探测更接近实际地质情况。 - Rapeseed insulating oil has higher breakdown voltage and relative permittivity, but viscosity and pour point are high, and it is more susceptible to oxidation than mineral oil.
菜籽绝缘油的电气强度高，相对介电常数高，但运动粘度、凝点较高，较矿物油易于氧化。 - The thinner the dielectric and the bigger relative permittivity, the bigger capacitance, but it is not linear.
绝缘层厚度越薄，相对介电常数越大得到的高频耦合电容越大，但不是线性变化。 - Then, the variation of characteristic impedance and effective relative permittivity with frequency of defected ground structure are compared with those of microstrip.
而后比较了缺陷地结构和微带线的特性阻抗和有效介电常数随频率变化的规律。 - Based on the model, retrieves the relative permittivity and relative permeability of the coating-material by iterative inversion of a neural network from the measured antenna temperature.
在此模型的基础上，用神经网络迭代法从测得的天线温度反演了隐身涂层材料的的相对介电常数、相对磁导率。 - General Rayleigh-Gans approximation is used to obtain the electic field in the medium scatterers when we calculate the scattering fields of them in this paper, and the distribution of the current in the scatters can be got knowing the relative permittivity.
文中在处理介质散射体时是采用广义Rayleigh-Gans近似得到散射体的内部电场，因此，当目标散射体的相对介电常数已知时可以得到此散射体的体电流分布。 - A novel concept called "degree of dipole depolarization" and its calculational formula were proposed to deal with the sharp reduction of relative permittivity of PMMA during accelerated thermally aging.
提出一种新的概念&偶极子去极化程度和计算式来量化研究聚甲基丙烯酸甲酯（PMMA）在加速热氧老化过程中其相对电容率急剧下降这一现象。 - The development of an electromagnetic parameters ( including relative complex permittivity and complex permeability) test system was studied in this paper.
本文研究材料电磁参数（相对复介电常数和相对复磁导率）测试系统的开发。 - The brightness temperature denotes the objects radiation characters. After those models the radiometer antenna temperature of the coating stealth material using the theory of electromagnetic field. This model proposes the quantitative relations among the antenna temperature, material thickness, material relative permittivity and material relative permeability.
在完成理论准备后，利用电磁场理论建立了隐身涂层材料的天线温度模型，给出了天线温度与涂层材料的厚度、相对介电常数、相对磁导率之间的定量关系。 - For small values of the relative permittivity ε_(?), the radiationpatterns for TM_ ( 01), mode are in agreement with those of [ 3].
根据该表达式算得的TM（01）模天线方向图在相对介电常数较小时与文献〔3〕的结果相吻合。 - The results show that provided the thicknesses of the skin and fat layer are given, we can evaluate theoretically the thickness and relative permittivity of a dielectric layer that could raise incident wave's energy transmission coefficient to 99.99%.
显示，只要给出皮肤和脂肪层的厚度，即可从理论上求出使能量透射系数达到99.99%的增透介质层的厚度和相对介电常数。 - The analytic expressions for its relative effective permittivity, capacitance per unit length and characteristic impedance are given.
给出了它的有效介电常数，单位长度电容和特性阻抗的解析表达式。 - With the increasing of BST, the density, the relative complex permittivity and the electronic loss increased, and the relative complex permeability decreased.
而M型六角铁氧体随着BST含量的增加，密度增大，饱和磁化强度、相对复磁导率和磁损耗减小，介电常数和电损耗有所提高。 - It gets the relative permittivity of gases by measuring the differences of the reflection coefficients of two resonators and then obtains the gas humidity. The construction of double-resonator can compensate the drift due to environment temperature.
通过测量两个谐振腔的反射系数差得到气体的相对介电常数，进而得到气体湿度，双谐振腔结构也可以补偿环境温度引起的漂移。 - In this paper, a simple and effective method to extract characteristic impedance and effective relative permittivity of equivalent even transmission line realized by defected ground structure has been presented.
对缺陷地结构（DGS）实现的等效均匀传输线提出了一种简单有效的由S参数求其特性阻抗和有效相对介电常数的方法。 - A system for measuring relative permittivity and loss tangent of microwave dielectrics at high temperature
微波介质相对介电常数与损耗正切的高温测量系统 - By employing a balanced antipodal structure and strip-line feed with the low relative permittivity dielectric substrate, the physical and electric dimensions of this antenna have been reduced significantly.
通过使用平衡的对踵结构和带状线馈电，在仍然使用低介电常数介质材料的情况下，将天线的物理尺寸以及电尺寸大幅减小。 - By analyzing the gap width of radiated patch, ground plane and the thickness as well as relative permittivity of dielectric substrate, we carefully research these factors.
通过分析开缝微带贴片天线辐射贴片缝隙宽度、接地板缝隙宽度、介质基板厚度以及介质基板相对介电常数，仔细研究这些因素对开缝微带贴片天线的影响。 - The relative permittivity and permeability expressions are derived, and the effectiveness of material parameter and the properties of electromagnetic device are validated by full-wave simulation using COMSOL software.
导出了其相应介电常数和磁导率的表达式，并利用COMSOL软件对材料参数的有效性及电磁器件的性能进行了全波仿真验证。 - Each kind of oil sample was carried out experiments on insulating properties at low temperatures (-20 ℃~ 10 ℃). The test items include breakdown voltage, relative permittivity and dielectric dissipation factor. A large number of first-hand experimental data was obtained.
对不同的油样分别进行-20℃～10℃低温范围内的击穿电压试验，同时测量油样的相对介电常数和介质损耗因数，取得大量的第一手试验数据。 - The research on organic nonlinear optical materials is attracting more and more attention because organic-based materials have larger nonlinear coefficients, faster response speed, higher damage thresholds, lower relative permittivity, and easier processability than those of inorganic materials.
有机材料因其非线性系数大、响应速度快、损伤阈值高、介电常数低、可加工性好而日益成为非线性光学材料研究的热点。 - If want to use CPW achieving electromagnetic force control effectively, we must reduce the relative permittivity of the surrounding of the CPW, or reduce electromagnetic wave frequency.
要让共面波导能够有效地实现电磁力控制，使其良好地工作，必须要降低共面波导周围的相对介电常数或者降低电磁波的频率。 - The entire design process was simulated by HFSS software. Finally, based on Transmission line theory, the author proposed a method for measuring the relative permittivity of medium plate.
整个设计过程都通过HFSS软件仿真实现。最后，根据传输线理论，提出了一种测量介质板相对介电常数的方法。