The two dimensional diffusion process and the corresponding refractive index profile of the channel waveguide were numerically modeled using a finite element method ( FEM ) .

利用有限 元法（FEM）对二维扩散过程以及相应的条 波导的折射率分布进行了数值模拟。

Analysis of dispersion characteristics of groove waveguide by the boundary & element method

采用边界 元法研究槽形 波导的色散特性

Theoretical Analysis of Annealed Proton Exchanged Waveguide in LiNbO_3 Using Finite Element Methods

铌酸锂退火质子交换 光 波导的有限 元法分析

As the requirement for high temperature up to several hundreds tolerant this paper only introduces the analysis for bifilar helix waveguide element and cross dipole element . 2 .

由于设计的圆极化阵列要求能够经受几百度高温的考验，这里主要分析了螺旋单元， 波导 单元和交叉偶极子单元。

This paper presents a general method for the solutions of cut-off wave numbers of an arbitrarily shaped waveguide by using the boundary element method via boundary integral equation with a real symmetrical kernal .

本文从实对称核积分方程出发，给出了用边界 元法求任意截面均匀填充金属 波导截止波数的一般方法。

This paper demonstrates that in the Galerkin method analysis of waveguide slot 's characteristics the matrix element expression obtained by the Fourier method of the half space field on the exterior surface of the waveguide slot is equivalent to that obtained by the general integral method .

本文证明了用Galerkin法对 波导缝隙特性分析时，Fourier变换法导出的缝隙外部半空间场的矩阵 元素公式与一般积分法导出的公式是等同的。

In this thesis waveguide element infinite phased-array antennas has been analysised and designed by integral equation method and mode matching method .

该文采用积分方程法及模式匹配法对 矩形 波导 单元无限相控阵进行了分析与设计。

Analysis of Waveguide Slot Array Using Active Element Pattern Method

单元激励法分析 波导缝隙天线阵

Study on Formaldehyde Gas Sensitivity of Optical Waveguide Sensing Element Based on MB / PVP Thin Film

MB/PVP薄膜光 波导传感 元件对甲醛的气敏性研究

Analysis of H-plane Waveguide Discontinuities Using Boundary Element Method

H面 波导不连续性的边界 元分析

Theoretical Analysis of the Metal-clad Slab Waveguide Modal Characteristics with Finite Element Method

金属包覆平板 波导模式特性的有限 元法分析

Two kinds of polarization compensation ways for silica waveguide on silicon are analyzed by finite element method .

使用有限 元方法分析了硅基二氧化硅 波导的两种偏振补偿方法的可行性。

Optical Waveguide Finite Element Beam Propagation Method Analysis in Time Domain

光 波导有限 元时域束传输法分析

Moreover the infinite phased array with WAIM ( added with metallic iris plate on each aperture of waveguide element and covered with dielectric sheet ) in front of the array was analysised and its property of wide-angle matching was studied too .

此外，还分析了装有宽角匹配装置（ 波导口径 加膜片，阵列外加介质层）的无限相控阵，并分析了其宽角匹配特性。

Stress Analysis of Silica Optical Waveguide on Silicon by a Finite Element Method

硅基二氧化硅 波导的应力和 偏振相关性的 数值分析

Input properties of the element were analyzed and optimized for matching between feed waveguide and radiation element by finite difference time domain ( FDTD ) method .

采用时域有限差分法（ FDTD） 计算输入特性，优化了输入 基本匹配时的结构 尺寸参数。

The eigenvalues and cut-off wavelengthes of double ridged waveguide are computed and analyzed by Finite Element Method ( FEM ) .

本文主要运用电磁场有限 元方法来分析计算脊 波导的特征值以及截止波长。

An Analysis of Pentagonal Waveguide TM Mode Cutoff Wavenumber by Boundary Element Method

五角 波导TM模截止波数的边界 元分析

Analysis of E - Plane Branch - Waveguide Couplers Using Two - Dimensional Finite Element Method

E面分支 波导耦合器的二维有限 元法分析

In this dissertation the affection induced by waveguide loss to the finesse is analyzed and it is indicated that the waveguide loss is the main element that deteriorates the finesse .

本文分析了波导损耗对环形谐振腔清晰度的影响，说明 波导损耗是影响谐振腔清晰度的主要 因素。

A circular groove to circular waveguide junction is analyzed with finite element method ( FEM ) .

用有限 元法分析了圆形槽 波导到圆 波导结这一复杂结构的电磁 特性。

Analysis of linearly tapered optical waveguide with the finite element beam propagation method

有限 元光束传输法分析锥形线性 波导

Calculation of reflection coefficient for step open waveguide with boundary element method a mixed stepped impedance resonator dual-band filter

用边界 元素法计算阶梯开口 波导的反射系数一种混合型阶梯阻抗谐振环双通带滤波器

Research of Broadband Coaxial - to - Rectangular Waveguide End Launcher Antenna Element

宽带端馈式同轴矩形 波导天线 单元的研究

Analysis of circular groove to rectangular waveguide junction using finite element method

圆形槽 波导到矩形 波导结的有限 元分析

Analysis of hybrid modes of waveguide by a modified boundary element method

波导混合模问题的修正边界 元法分析

But the coaxial to rectangular waveguide is rarely used as a radiation element for it is difficult to match with free space .

由于端馈式同轴矩形 波导与自由空间匹配困难，它很少用作辐射天线 单元。

Analysis of transmission characteristics of the anti-trapezoid symmetric-double-ridge waveguide by finite element method

倒梯形对称双脊 波导传输特性的有限 元分析

Circular groove waveguide is analyzed and the vector finite element method and the modal expansion method are applied to analyzed N-port waveguide junction then to two-port mode converter .

本文深入地分析了圆形槽 波导，利用矢量有限 元方法结合模式展开法由分析N端口波导结问题过渡到两端口的模式变换器。

The residual thermal stress distribution is evaluated in the silicon-based silica optical waveguide with finite element method and the stress birefringence is obtained . The influence of stress on polarization is analyzed .

用有限 元方法计算了硅基光 波导 器件的应力，得到由应力引起的双折射，从理论上分析了内应力对器件偏振特性的影响。