impedance dielectric
英 [ɪmˈpiːdns ˌdaɪɪˈlektrɪk]
美 [ɪmˈpiːdns ˌdaɪɪˈlektrɪk]
【电】不良介质
双语例句
- AC impedance measurement of the dielectric spectra for normal human blood cells
交流阻抗法测量正常人血液细胞介电谱 - In the RF cable module manufacture process, use the concept of the characteristic impedance to analyze the problem ( such as internal conductor connection, external conductor connection, and the processing of cross section for filled dielectric) that affects the cable module performance.
在射频电缆组件制作过程中，针对影响电缆组件性能指标的内导体间连接、外导体间连接和填充介质截面处理等问题，应用了特性阻抗的概念对其进行了分析研究。 - Analytical closed form expressions for characteristic impedance and effective dielectric constant for the new line are obtained using conformal mapping method under the assumption of pure TEM propagation and zero dispersion.
基于假设只有纯TEM波传播和零色散的情况下，通过保角变换得到了特性阻抗和有效介电常数的闭合形式的解析表达式。 - The impedance matching element of dielectric image line
介质镜象线的阻抗匹配器 - It is shown that the even-odd mode impedance changes rapidly with frequency, especially when the dielectric constant er is small.
结果还表明该结构的偶-奇模特性阻抗Z（eo）随频率变化很大，当相对介电常数εr较小时，变化更大。 - Analysis and Calculation of Creeping Wave Propagation Constants and Model Impedance for a Dielectric Coated Cylinder
涂层圆柱爬行波传播常数和模式阻抗的分析与计算 - Based on the theory of radio-frequency impedance, the dielectric constant of water is much greater than that of oil, so they show different properties in the respect of radio frequency impedance.
因水的介电常数远大于油的介电常数，使两者呈现不同的射频阻抗，这是油品含水量测量仪的理论依据。 - The modeling method and the BEM theory of dealing with the characteristic impedance of multilayered dielectric media were introduced.
介绍了建模方法，以及边界元法计算多介质区域特性阻抗的基本思想。 - The resistivity and dielectric constant of the films were studied by means of a LF impedance analyzer so as to obtain the relationship between the frequency and the dielectric constant and resistivity of the films.
复合膜电阻与介电常数由低频（LF）阻抗分析仪进行研究从而得到膜电阻、介电常数和频率间的关系。 - In the article, we present a principle and method of investigating the properties with the impedance technique in the broad-frequency domain, and introduce the way to establish a cell mathematical and physical model through nonlinear numerical calculation based on cell dielectric spectroscopy.
本文介绍如何采用宽频域交流阻抗技术研究细胞介电特性的原理和方法，以及在细胞介电谱的基础上，如何通过非线性数值计算建立细胞的数学模型和物理模型。 - Numerical analysis of characteristic impedance of TEM cell with multilayered dielectric media brace bar
TEM传输室多层介质支撑特性阻抗的数值分析 - Based on theoretical calculation of characteristic impedance of microstrip, the effect of microstrip width, thickness of conductor layer and dielectric layer and accuracy of effective permittivity are investigated.
通过对微带线特性阻抗公式的理论计算，得出了带线的线宽W、导体层的厚度t、介质的厚度h以及介电常数εr的精度对特性阻抗Z0的影响程度。 - Based on the measured input impedance characteristics or the resonance parameters of a micro-strip antenna the dielectric constant can be obtained with the help of a computer.
借助计算机程序，可由微带天线的输入阻抗特性或谐振参数直接求出介电常数。 - A new method, which combines the fast multipole algorithm ( FMA) with high order impedance boundary condition ( HOIBC), is proposed to analyze the radar cross section ( RCS) of dielectric coated cylinders.
将快速多极算法（FMA）与高阶阻抗边界条件（HOIBC）相结合，分析了有介质涂层的电大尺寸导体柱的雷达散射截面（RCS）。 - By using them, one can determine the characteristic impedance, the effect dielectric constant and three kinds of common discontinuity capacitance quickly and exactly.
用这些列线图能够快而准确地确定其特性阻抗、有效介电常数以及三种最常见不连续的电容。 - We also discussed the impedance of PS/ OPS, dielectric characteristic, and photon characteristic with the condition of growth control and pore size.
研究了PS/OPS阻抗特性、介电常数、光学特性随制备条件和尺寸参数的变化规律。 - As major pyroelectric materials, ferroelectrics show the characteristics of high impedance and low dielectric loss. Pyroelectric detectors made of ferroelectric materials can be operated in the current, voltage and electric charge modes.
铁电材料是主要的热释电探测材料，利用铁电材料制备的热释电探测器具有高阻抗、低损耗的特征，可以按照电流模式、电压模式或者电荷模式工作。 - A new method to calculate the equivalent relative dielectric constant of the dielectric loaded ring-plane slowwave structure is proposed. Expressions of dispersion equation and interaction impedance are derived for dielectric loaded ring-plane slow-wave structure by variational method.
提出了一种适用于环板结构的计算等效相对介电常数的方法，利用变分法导出了介质加载环板慢波结构的色散方程和耦合阻抗表达式。 - AC Impedance Characterization for Microwave Dielectric Material BaEu_2Ti_4O_ ( 12)
微波介质材料BaEu2Ti4O（12）的交流阻抗谱表征（英文） - In addition, eight types of coplanar waveguides with concrete size were given in this paper and their characteristics impedance, propagation constants and effective dielectric constants were calculated.
另外文中给出了8种具体尺寸的共面波导，计算出了它们的特性阻抗、传播常数和有效介电常数，接下来总结了有限接地板宽度对共面波导传输特性的影响规律。 - Firstly, the fast algorithm based on the cavity-mode model is combined with the segmentation method to calculate the impedance characteristic of a power bus whose dielectric layer is an EBG structure composed of two different dielectric materials.
首先，运用基于腔模模型的快速算法和分解元法的计算机仿真研究了由两种不同介质材料组合构成的EBG结构对供电系阻抗特性的影响。 - Then CBFM combined with the method of approximate calculation of mutual impedance is applied to symmetrical multiple dielectric objects.
然后将该方法应用到对称多介质目标的分析中，并结合互阻抗近似方法，通过只存储自阻抗而实时近似计算互阻抗来降低存储需求。 - From the experiment results, the elliptical patch-fed and inverted trangle-fed U-shaped dielectric resonator antennas have 72% and 84% impedance bandwidths, respectively. These bandwidth performances keep advanced level in the world. Secondly, a high-isolation dual-polarization dielectric resonator antenna is developed.
实验结果表明，采用椭圆形贴片馈电和采用倒三角形贴片馈电的U形介质谐振器天线的相对阻抗带宽分别达到72%和84%，处于国际先进水平。第二，研制了高隔离度双极化介质谐振器天线。