The study of the Earth's eigen mode is an important way to study physical properties and dynamics in the Earth's interior, and is closely related with geophysics and seismology closely.
地球本征模在地球内部物理结构和动力学机制研究中一直是一个重要的课题，与地球物理学、地震学联系紧密。
From these expressions the dyadic Green's function for a dielectric waveguide can be obtained if the eigen-mode of the waveguide are given.
根据这个表达式，只要给定介质波导的本征模，就可以得到该波导的并矢格林函数。
It is shown that the expression of electric-type dyadic Green's function is the sum of an eigen-mode expansion containing nine dyadic components and a singular term.
得到的电型并矢格林函数表达式由包括九个并矢分量的本征模展开式和一个奇异项组成。
Partial derivatives of eigenvalues and eigen vectors with respect to random variables for structures are deduced by means of the concept of mode truncation.
为求出随机特征对的方差，借助于模态截断概念推出诸特征值与特征向量对随机变量的偏导数。
The change of narrow defect mode under gradual changes of incident Angle is studied by use of eigen matrix.
用特征矩阵法研究了窄带缺陷模在入射角缓慢变化中的变化规律。
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。
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。
In this paper, the component mode synthesis, combined with the perturbation and stochastic finite element, is used to study the random eigen problem of large and complicated structures.
采用子结构模态综合和摄动随机有限元相结合求解工程结构的随机特征问题。
The mass-normalized mode shapes were obtained from the eigen-sensitivity analysis.
利用特征灵敏度分析得到质量归一化振型。
The eigen function of self-reproductive mode in laser resonator is derived.
导出激光谐振腔自再现模的波型函数。
The vertical eigen-mode was solved by one-dimensional finite element method (FEM).
垂直特征模式用一维有限元计算。
The vertical eigen-mode was solved by one-dimensional finite element method (FEM).
垂直特征模式用一维有限元计算。
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