讨论在分层介质波导中采用纵波的问题。
This paper discuses the problem of application of the longitudinal waves to layered dielectric waveguides.
分层介质中简谐点源的声场具有确定的角度分布。
The field of a harmonic point source in layered media has certain angular distribution.
研究了在均匀分层介质中构成标准矢量波函数的必要条件。
A study is given to the necessary conditions for construction of normal vector wave functions in homogeneous stratified media.
研究了在均匀分层介质中构成标准矢量波函数的必要条件。
The necessary conditions for construction of normal vector wave functions in inhomogeneous media with graded refractive index are studied.
本文采用半空间格林函数分析分层介质中的电磁场散射问题。
Some scattering electromagnetic problems in the multilayered media are analyzed using the Half-space Green's functions in this paper.
本文讨论由海面噪声源与分层介质海洋所组成的海洋环境噪声模型。
A theoretical model of ambient sea noise including surface sources and stratified ocean is discussed.
本文讨论了径向柱面分层介质中全波分析的解析模式和数值模式方法。
In this paper the analytic mode method and numerical mode method for full wave analysis of electromagnetic scattering in cylindrically layered media are discussed.
应此有人提出了分层介质结构，来研究超声在生物组织中的传输和分布。
So someone purposed layered media structure to study transmission of biologic structure.
实验研究是在静水槽中进行的，分层介质为水盐水以及柴油盐水两种情形。
The experimental research was conducted in a water tank, and the stratified fluids were composed of water brine or water diesel oil.
本文提供了一种在介质前面有任意源分布时，求取分层介质中场分布的方法。
In this article, however, a new method of getting the field distribution in the layer mediums in case of an arbitrary field source is put forward.
利用谱域导抗法推导分层介质的电磁流场位并矢格林函数各分量的统一的表达式。
The uniform expressions of multilayered medium spectral dyadic electric and magnetic current Green's functions for field and potential are derived by using spectral domain immittance approach.
通过超声实验研究了沿分层介质，特别是含有低速层的分层介质传播的瑞利波频散特征。
The dispersive characteristics of the Rayleigh waves propagated in the layered media are investigated experimentally by ultrasonic detection test, especially in the presence of a low-velocity layer.
本文讨论比较一般的指向性辐射器在分层介质中的声场，并将指向性概念应用于简正波计算。
In this paper, the sound field of a more general directional radiator in a stratified medium is treated, and the concept of directivity is applied to calculation of the normal modes.
龙伯透镜天线是一种球形的分层介质透镜天线，其主要特点是能够把入射波聚焦到球表面一点。
Luneberg lens antenna is a spherical layered medium lens antenna, and its main feature is its capability of focusing the incident wave to a point on the spherical surface.
讨论研究了圆柱面分层介质结构的微波成像问题，设计了一种基于源型积分方程的迭代成像算法。
In this paper, the microwave imaging for a layered media cylindrical shell has been discussed and investigated. An iterative algorithm based on a source-type integral equation has been presented.
文中考虑了材料的相对导磁系数对材料复数折射率的贡献，使分层介质系统的光学迭代法更具普遍性；
The optical recursive formula for stratified medium system becomes more general with the contribution of relative magnetic permeability to the complex refractive index.
应用此模型，并结合分层介质中的并矢格林函数，分析了贴片天线的辐射阻抗、空间波辐射效率等特性。
Using this model and the relevant dyadic Green's function, some characteristics of a rectangular patch antenna near resonance, such as radiation resistance and space wave efficiency, are analysed.
使用离散复镜像方法(DCIM)快速得到平面分层介质的空间域的闭式格林函数，避免了费时的索末菲尔德积分。
To avoid calculating the time-consuming Sommerfeld's integrals, the discrete complex image method (DCIM) is employed to obtain spatial domain closed-form Greens function for planar-layered media.
根据连续分层介质中声波传播理论建立了计算水溶性高分子溶解过程中声衰减的数学模型。计算结果与实验结果一致。
Depending on the experimental result and the theory of sound wave propagation in layered medium, a mechanism of gradient water-soluble polymer solution was developed.
运用光在分层介质中传播的特征矩阵方法，通过数值计算，研究了掺杂一维光子晶体中光子禁带及杂质模的特性随不同偏振光及入射角的变化。
The characteristics of photonic forbidden band and impurity mode in doped one-dimensional photonic crystal were investigated by numeral simulated calculation with the method of characteristic matrix.
由分层介质表面两不同点响应互谱分析(SASW)得到的有效相速度并不对应于面波基阶模态相速度，它与波场中高阶模态能量分配比例有关。
Affected by higher Rayleigh wave modes in the surface wave field, the effective phase velocity obtained by spectral analysis of surface waves SASW.
对于轴对称任意径向分层的完全非均匀介质，建立了求解静场问题数值模格林函数的理论及高效计算方法；
The theory and high efficient algorithm is set up to obtain the numerical mode Greens function for static steady field problem in arbitrary cylindrical layered media.
进而对“缓变”的垂直分层运动介质作了类似讨论，求出声场的w。
The processes have been extended to a "slowly varying" vertical stratified medium, and the W.
积分式中的被积函数包含一噪声强度垂直指向性因子，海洋介质分层条件通过该指向性因子影响噪声场的空间相干。
The integrand includes a multiplying factor of the vertical directivity of the noise intensity, and the layered ocean environment affects the spatial coherences via this directivity factor.
分层腐蚀介质、分段腐蚀介质和其他钢样也影响电位和电流分布情况。
Besides, layered or subsection corrosion medium and other steels can also influence in the distribution of potential or current.
在已有的线弹性地基模型中，文克尔地基模型和弹性半无限体等地基模型都不能将完整的将土介质的连续性、分层特性、地基中的剪应力以及应力扩散等特性包含进去。
Soil model of Winkler and Soil model of elastic half-infinite system can not include the soil continuity and layered property, shearing stress in soil and stress diffusing.
它能定量地反演出各层状介质的声阻抗值及分层位置，以重建层状介质的声阻抗剖面图。
The algorithm can quantitatively reverse the acoustic impedance value and layered place of layered media to reconstruct the acoustic impedance profile of the layered media.
同时利用某些平均阻抗和特征阻抗的一维各向同性介质反演亦可获得较为可信的电性分层界面。
Meanwhile the one-dimensional isotropic inversion could obtain reliable electrical layer boundaries by using some average and characteristic impendences, if the method is suitable.
本文根据连续介质力学理论，用传递矩阵法求得分层土端承桩的阻抗函数。
The impedance function of the end bearing pile in stratified soil has been obtained by the method of transfer matrix according to the theory of continuous medium mechanics.
研究结果表明，在很大的轴向水平压力作用下，介质会产生间隔的拉伸裂缝，形成分层断裂现象。
It is shown that the interval tension fracture would occur repeatedly under large axial compression stress, which forms the layered failure.
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