研究了电磁波遇到障碍物而产生绕射的规律。
This paper studies the rule of diffraction generated when the electromagnetic wave propagation falls across barriers.
提出在垂直极化状态下机翼后缘绕射的计算必须将后缘厚度考虑在内的见解。
The scattering peak of leading edge depends only on radius of airfoil for horizontal polarization.
本文详细地讨论了置于电磁场中的任意形状的完全导体对电磁波绕射的二维问题；
The two dimentional problems of the diffraction of the electromagnetic wave by a perfect arbitrary form conductor inbedded in the electromagnetic field are discussed in detail.
文中还考虑了波浪折射、绕射的综合影响，以及沿岸波高不等引起的沿岸输沙率变化。
In this paper, the combined effect of wave refraction and diffraction, and the variation of longshore wave breaker height are considered.
本文讨论了填充介质腔为弹性波绕射的平面及反平面问题，详细地给出了波场的计算方法。
In this paper, the plane and anti-plane problems of the diffraction of elastic waves by a cavity filled with another medium are discussed. The method calculation, of the wave field is given in detail.
本研究是把折射和绕射的相关影响结合起来考虑的复合折射-绕射模型REF/DIF 模型应用于深水航道对波浪传播的影响规律的研究。
The influence pattern of deep water channels upon wave propagation is studied by REF/DIF model, which combined refraction and diffraction effects together.
它具有沉积速度快和表面清洁的特点，特别具有膜层附着力强、绕射性好、可镀材料广泛等优点。
It has a fast deposition rate and surface cleaning features, in particular strong adhesion with the film, diffraction, and can be coated material widely and so on.
这次模拟器没有对表面行波、相邻边界和缝隙的反向散射，或者边缘绕射散射效应进行建模。
At this time the simulator does not implement surface travelling wave modelling and associated edge or gap backscatter modelling, or edge diffraction scattering effect modelling.
本文研究平面强爆震波对静止的零攻角二维对称薄翼的绕射问题，并求得解析解。
An analytical solution is obtained for the diffraction of strong detonation waves by a stationary two-dimensional thin airfoil.
分别建立雷达电磁波在干涉区、中间区和绕射区传播的数学模型和它们适用的边界条件。
The mathematical models and their limitative condition of radar electromagnetic wave propagated in interference region, intermediate region and diffraction region are set up respectively.
同样的道理，绕射也限制了以光学方法储存或读取数位影音光碟(VD)的资料量。
In a similar manner, diffraction limits the amount of information that can be optically stored on or retrieved from a digital video disk (DVD).
在一致性几何绕射理论基础上，采用等效电流的方法给出了有限锥体在完全极化平面波照射下后向散射场的散射极化矩阵表示式。
Based on the uniform geometrical theory of diffraction, the equivalent current is used to calculate the back scattering field for the finite cone.
结果比较清楚地反映出在考虑边界反射条件下波浪绕射情况，港内波浪场的分布比较合理。
The results obviously demonstrate wave diffraction in harbor on condition of boundary reflection. Distribution of wave field in harbor is relatively appropriate.
使用抛物型缓坡方程和修改抛物型缓坡方程研究了双圆形浅滩地形的波浪折射绕射。
Parabolic mild slope equation and modified mild slope equation are applied to solve refraction diffraction of waves over twain circular shoal.
阴影区的后向绕射是低散射截面飞行器和部件rcs的主要贡献之一，有效地抑制它可以进一步地减缩rcs。
The backward diffraction on the shadow area of aircraft and its components having low radar-cross-section (RCS) is one of the main contributions of their RCS.
本文详细介绍了计算机绘制波浪绕射图的步骤、要点和方法。
This paper describes in detail the principles, steps and methods of drawing isogram of wave diffraction by computer.
本文提出一种按速度模型计算绕射波射线旅行时和进行绕射归位的方法。
This paper presents a method for calculating travel time of diffracted wave from velocity model and for making diffraction migration.
增量长度绕射系数理论（ILDC）是对电大尺寸复杂目标进行边缘绕射计算的有效方法之一。
The theory of Incremental length diffraction coefficients (ILDC) is one of the efficient methods to calculate the edge diffraction of electrically large scaled complex objects.
衍射则是电波绕射传播到遮蔽区的现象。
The diffraction effect is the phenomenon of wave propagation into shadow region.
通过建立有限长声屏障的绕射声衰减的理论模型，进行了这方面的探讨。
The paper study the problem by constructing theoretical model of diffracted sound attenuation of limited length barrier.
在地震剖面上，由地震能量产生的绕射、反射、折射或其他相似特征的地震数据轨迹。
An appearance of seismic data as a diffraction, reflection, refraction or other similar feature produced by an arrival of seismic energy.
本文给出一个在复杂水深地形条件下计算包括折射和绕射效应的线性波浪变形数学模型。
A numerical model is presented that predicts the transformation of monochromatic wave over complex bathymetry, includes both refractive and diffractive effects.
具有岸边吸收作用的数值结果和具有边界吸收的圆柱绕射问题的分析解进行比较。
Another numerical result with the boundary absorption is compared with the theoretical solution of scattering problem for a vertical cylinder.
由于电子束在原子尺度不会绕射，所以它不会使得图案细节的边缘模糊。
An electron beam does not diffract at atomic scales, so it does not cause blurring of the edges of features.
给出了V形贯底式防波堤对波浪绕射计算的解析方法。
An analytical method was developed to study the wave diffraction effects on V-type bottom-mounted breakwaters.
光的性质、波动光学、几何光学及高斯近似、光的干涉、相干性、光的偏振、光的绕射、一些重要的应用实例。
Nature of Light, Geometrical Optics, and Gaussian Approximation, Wave Optics, Interference of Light, Coherence, Polarization of Light, Diffraction of Light.
计算表明，非线性浅水波在薄楔上的绕射也存在“马赫茎”效应。
The results show that the "Mach stem" effect also exists for the diffraction of nonlinear shallow water waves on the wedge.
计算表明，非线性浅水波在薄楔上的绕射也存在“马赫茎”效应。
The results show that the "Mach stem" effect also exists for the diffraction of nonlinear shallow water waves on the wedge.
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