It is the focus to get eigen equation of all kinds cross section waveguide in guide wave optics.
求解各类截面波导的本征方程，一直是导波光学研究的焦点问题。
Approximating the unit of coating as hollow viscoelastic cylindrical shell, an eigen equation of the axisymmetric waves is derived.
将覆盖层单元近似为粘弹性圆柱管，导出轴对称波的特征方程。
In this thesis, the AWG's transverse-mode parameter and its eigen equation as well is analyzed based on the periodic waveguide method.
本文提出用周期波导的方法，分析平面阵列波导光栅模式参数及其本征方程。
This method can obtain the exact eigen-modes and frequencies of whole structure. However the method needs to solve a non-linear eigen equation.
这种方法可以获得全结构的精确模态，其代价是要求求解一个非线性特征方程。
This paper presents the eigen equation of inertial tensor expressed by the three principal invariants, which is an algebra-equation solution to calculate eigen value;
本交给出了惯量张量用其三个主要不变量表示的特征方程，为求特征值提供了一种代数方程解法；
A modified boundary element method is proposed. In the approach, the matrices in the formed boundary equation implicitly contain no eigen parameter.
本文提出一种改进边界元法，它使形成的边界元方程不隐含本征量，避免大阶数矩阵的转置。
Stiffness matrix and load vector were founded on developing eigen-equation for wall element and applying principle of virtual work.
通过推导单元特征方程的解及应用虚功原理，建立了墙元的刚度矩阵和荷载向量。
Considering the disturbance of the plasma electrons at the beam-ion channel boundary, the eigen-equation of TM mode has been derived.
考虑束-离子通道边界上等离子体电子可能发生的扰动，导出了TM模本征方程的理论式。
Considering the disturbance of the plasma electrons at the beam-ion channel boundary, the eigen-equation of TM mode has been derived.
考虑束-离子通道边界上等离子体电子可能发生的扰动，导出了TM模本征方程的理论式。
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