| 1. | This is the main idea of the measuring technique . this article separately introduce the measuring technique of optical isotropic medium and optical anisotropic medium
基于此原理，论文分别针对光学各向异性介质和光学各向同性介质的测量进行了深入研究。 |
| 2. | In this paper , on the base of paraxial approximations , we present a set of absorbing boundary conditions of 3d elastic wave equations and apply to the 3d elastic wave numerical modeling in isotropic medium
本文基于傍轴近似法提出了计算三维弹性波方程的吸收边界条件公式，表示了各边界面、边棱和角点处波场所满足的单程波方程，并在三维弹性波数值模拟中进行了应用。 |
| 3. | The micromechanics model of self - consistent scheme is that a particle is embedded in a homogeneous and isotropic medium whose conductivity is the unknown . at infinite distance from the particle a homogeneous boundary condition is prescribed
自洽方法的微观力学模型是：夹杂相颗粒处于热导率恰为原复合材料等效热导率的均匀各向同性介质中，无穷远处受均匀边界条件。 |
| 4. | Geophysicists had already cognizance of that the pervasive velocity anisotropy with varying degree in the mantle or the sedimentary rock of upper crust is an important physical property . almost all existed research works fasten on those transversely isotropic media with vertical or horizontal axis of symmetry ( ti ) . ,
地球物理学者已认识到从地幔到地壳上部的沉积岩存在着不同程度的各向异性，且对具有垂直或水平对称轴的横向各向同性介质( ti )有很多的研究。 |
| 5. | The characteristic of excitation of the acoustic field is investigated for sources with various frequencies . the effects of an isotropic medium , inclined formation of different azimuth , horizontal or vertical fracture and its width or density on the propagation of the acoustic field are investigated . the fluid in borehole is also investigated
研究了声源在不同频率下的声场激发特性，考察了井外介质为均匀介质、存在不同倾角的地层界面、存在水平和垂直裂缝以及裂缝宽度和密度等对井内外声场传播的影响以及井眼流体对井孔声场的影响。 |
| 6. | With these backgrounds , the object being investigated in this article is composite metallic and dielectric structure which is composed by piecewise homogeneous , linear and isotropic medium , the problem being investigated is the complex scattering and radiation problem , the intention being investigated is modeling and fast computing the electromagnetic characteristic of electric large complex structures with uniform method , the final objective is developing general fast electromagnetic computing software to solve the realize electromagnetic computing problems in engineering
本文就是围绕这一背景展开的,研究对象是由分块连续、线性、各向同性媒质组成的“金属与介质混合结构” ,研究问题是复杂的散射和辐射问题,研究目标是以统一的方法对电大尺寸复杂结构作电磁建模与快速计算,最终目的是开发通用的电磁计算程序,来解决一些工程中的复杂电磁计算问题。 |
| 7. | The amplitude characteristic equations of p wave and s wave in transverse isotropic media have been deduced by using the method of aki and richards , that is use the border conditions in elastic interface to solve the elastic wave equation and to decide the energy distribution of different types of wave
本文针对横向各向同性介质( ti - transverseisotropy ) ，利用aki和richards的方法，即根据弹性分界面上的边界条件求解弹性波动方程，确定各种波之间的能量分配关系，建立了横向各向同性介质中p波和sv波入射时的振幅特征方程。 |
| 8. | Macroscale inversion analysis of measured displacements in tunnel , slope and dam is studied detailedly according to inverse formulation method and direct formulation method . aimed at inverse problem for identifying original geostress parameters and stru - ture modulus of rock , linear hypothesis for shear stress field of slope is proposed . structural model of transversely isotropic medium is constructed
针对逆源(初始地应力)和逆介质(岩层结构模量)的识别问题，提出了地层剪应力场的线性假定，构造了横观各向同性体的结构性计算模型，应用了逆定式化有限元反演方法，快速地搜索到了被识别参数的最优值。 |
| 9. | By using the method of separation of variables , a recursive formula was derived for the electromagnetic fields in a circular coaxial cable with a radial conductor plate and filled with multilayered homogeneous isotropic media , and the relationship between the first and the nth layers of the electromagnetic fields was determined
摘要采用分离变量方法，推导了有径向导体板、填充均匀的多层各向同性介质的同轴线各层电磁场之间的递推关系，得到了第1层与第n层介质中电磁场的关系方程。 |
