特性阻抗

有限元软件ANSYS在传输线特性阻抗计算中的应用

Application of Finite Element Software ANSYS to Calculate Characteristic Impedance of Transmission Line

介电常数、介质角正切对PCB特性阻抗的影响

Angle . Dielectric 's effects for the PCB 'S characteristic impedance

Ar辅助Al等离子体辐射谱分析非对称共面线的特性阻抗

Study on Al Plasma Radiating Spectra Assisted with Ar ~ + Characteristic Lines

多重网格法分析计算TEM传输系统特性阻抗

Calculation of The Characteristic Impedance of TEM Transmission Lines by Multi & grid Method

TEM传输室多层介质支撑特性阻抗的数值分析

Numerical analysis of characteristic impedance of TEM cell with multilayered dielectric media brace bar

文中给出了TEM模传输线特性阻抗和波导截止波长的数值计算结果。

Numerical results of characteristic impedance of TEM strip lines and cut-off wavelength of ridged waveguides are given .

用矩量法计算任意导体截面和介质填充的TEM传输线的特性阻抗

Computation of the characteristic impedance for TEM transmission line with arbitrarily cross-sectional conductors and arbitrarily filled dielectrics by moment method

本文用V循环和W循环的多重网格法计算了同轴矩形TEM传输线的特性阻抗。

The characteristic impedance of rectangular coaxial transmission lines supporting TEM modes is calculated by using multi-grid method with V-cycle and W-cycle .

采用边界元法分析了芯板支撑对TEM传输室特性阻抗的影响。

The effect of septum brace bar on the characteristic impedance of TEM cell was analyzed by boundary element method ( BEM ) in this paper .

将来该技术的主要课题是优化涂层厚度以控制特性阻抗，为埋入器件PCB提供有效可靠的平整表面。

Future research and development objectives include optimization of coating thickness for impedance control and providing a useful , reliable platform for embedded component PWBs .

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 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 .

应用静电场的观点和导波传输理论，用有限元法（FEM）分别计算了各种复杂截面同轴线特性阻抗、截止波长。

Based on the electrostatic field theory and transmission line theory , characteristic impedance and cut off wavelength of special section coaxial transmission lines are calculated using Finite Element Method ( FEM ) .

高速ASIC封装的电性能参数包括传输延迟、特性阻抗、信号串扰以及封装电感和电容等。

The electric characteristic parameters of package for high speed ASIC include propagation delay , characteristic impedance , cross talk , parasitic inductance and capacitance .

EUT对GTEM室特性阻抗的影响

EUT Influence on Characteristic Impedance in GTEM Cell

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。

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 .

考虑到辐射损耗，借助Fourier变换和电报方程，从时域响应中提取微带线的传播常数和特性阻抗。

In consideration of the radiation loss of a microstrip line , its propagating constant and characteristic impedance are extracted from time domain responses be means of Fourier ′ s transformation and the telegraph equation .

用快速Garrick变换计算近似圆同轴线的特性阻抗

A Calculation of Characteristic Impedance of Coaxial Lines with Quasi-Round Sections by Fast Garrick Transformation

本文从复变函数论的柯西积分公式出发，导出求解任意截面TEM传输线特性阻抗的复边界元方程。

The complex boundary element equation for the solution of the characteristic impedance of an arbitrarily shaped TEM transmission line is deduced in the paper , based on the Cauchy integral theorem for analytical complex variable functions .

应用定K型滤波器模型理论对现有的磁控管滤波组件进行分析，反推出该滤波组件的截止频率和设计特性阻抗，该类参数在日后的新型滤波组件设计过程中有重要参考价值。

Applied constant K type filter model on the existing magnetron filter , the cut-off frequency and the designed characteristic impedance of the filter were derived . Those parameters have important reference value for a new type filter design process in the future .

本文从多层PCB板叠层的设计原理、特性阻抗的计算方法、严格的阻抗控制，来保证阻抗匹配，实现PCB的可靠性，使产品稳定的工作。

This article will introduce design theory , theoretical arithmetic of Characteristic Impedance and strict impedance controlling . These are used to ensure impedance matching and achieve PCB reliability to make the product be in a steady state .

而零厚度内导体板ATEM室特性阻抗则小于文献给出的结果，与实际测量结果存在差距。

The difference between measured and theoretical result for ATEM cell with zero thickness inner conductor is appeared .

利用特性阻抗ZC、传播常数γ以及同时利用二者分别得到了三个确定电介质材料复介电常数的公式，其解的离散程度反映出测量误差大小。

Three different equations for determination of permittivity of dielectric materials had been derived using characteristic impedance and propagation constant and both of them , respectively .

本文基于LZ-22型阻抗继电器分析了偏移特性阻抗继电器的工作原理、动作阻抗及精确工作电流等特性。

This paper analysis the principle , action resistance and precise work current etc.

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。

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 .

EUT对TEM传输室特性阻抗影响的边界元分析1.根据测试项目和被测件的大小，决定暗室的尺寸。

Analysis of the characteristic impedance variation of TEM cell caused by equipment under test by BEM 1.Deciding microwave anechoic chamber dimensions in terms of measurement project and EUT ( equipment under test ) dimensions .

TIA组颈总动脉外周阻力、特性阻抗及脉搏波波速a明显高于对照组，差异均有非常显著意义（P<0.01）。

The peripheral vascular resistances , characteristic impedances and the pulse velocity of common carotid arteries of the TIA group were higher than those of the control group with significant differences ( P < 0 . 01 ) .

将区域分解法（DDM）应用于电磁场问题分析，计算了准TEM传输线的特性阻抗，并通过数值试验研究了区域分解法的收敛性及计算效率。

This paper presents domain decomposition method which is applied in the analysis of electromagnetic problems . The characteristic impedance of quasi TEM transmission lines are calculated by this method . The convergence property and computational efficiency of DDM are studied .

利用有限元法对非对称共面带线（ACPS）和对称共面带线（SCPS）两种电极的光纤型调制器微波等效折射率、调制带宽和特性阻抗进行分析。

Finite element method is used to analyze the performance ( e.g.microwave effective refractive index , modulation bandwidth , and characteristic impedance ) of the novel modulator with ACPS or SCPS electrodes .

非对称共面带线（ACPS）和与其成互补结构的非对称共面波导（ACPW）的分布电容与特性阻抗是表征它们特性的两个重要参量。

The distributed capacitance and characteristic impedance of asymmetrical coplanar stripline ( ACPS ) and its complementary structure asymmetrical coplanar waveguide ( ACPW ) are important parameters to characterize their properties .

推导了采用二极模（TM1n0模）的纵向特性阻抗来计算其横向阻抗的公式，计算出了空心腔和金属玻璃磁芯腔TM110模的横向阻抗。

The transverse impedances of two kinds of cavity are calculated by using a formula deriving from longitudinal characteristic impedances of dipole mode ( TM1n0 mode ) .