The hybrid method is used to calculate nonuniform currents and fringe diffraction wave of objects.
本文利用混合法计算了目标表面的非均匀电流和边缘绕射场。
As one of the important technical specifications of diffraction grating, diffraction wave front aberration directly affects the grating resolution.
波前像差是衍射光栅的重要技术指标,它直接影响光栅的分辨率。
Abstract : As one of the important technical specifications of diffraction grating, diffraction wave front aberration directly affects the grating resolution.
摘要 :波前像差是衍射光栅的重要技术指标, 它直接影响光栅的分辨率。
The diffraction wave field by the cylinder is estimated using this method. Forces and moments acting on the cylinder are estimated from the diffraction wave field.
然后应用前面所求得的船行波作为入射波,在时域内对圆柱周围的散射势进行求解。
The diffraction phenomena by a circular aperture or a phase plate is analyzed by the boundary diffraction wave theory, the analytic expression of its axial intensity is obtained.
本文根据边界波衍射理论分析了圆孔及相位片的衍射现象,得出其轴上光强的解析表达式,并对高斯光束经相位片衍射后的轴上光强进行了数值计算和讨论。
Unlike a normal lens, which compresses or changes the actual shape of a light wave through diffraction, a time lens magnifies or compresses the time of a light wave through dispersion.
不同于通常的透镜通过衍射来压缩或者改变光的形态,时间透镜通过光的弥散放大或者压缩光波的时间。
But for now let's simply say that we have a diffraction which we know occurs only by wave-like behavior and it involves the use of x-rays. Why x-rays?
但现在让我们来简单假设一下,我们知道,只波才发生衍射,而且衍射涉及了X光的使用,为什么是X光?
Another important wave phenomenon is diffraction.
另一个重要的波现象是衍射。
This paper proclaims similarity of distribution between light strength of monochromic Fraunhofer's single - slit diffraction and square - wave frequency spectrum.
本文揭示了单色光夫琅和费单缝衍射的光强分布与矩形波频谱分布之间的相似性。
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.
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。
The mathematical models and their limitative condition of radar electromagnetic wave propagated in interference region, intermediate region and diffraction region are set up respectively.
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。
Topics covered in wave optics include: basic electrodynamics, polarization, interference, wave-guiding, Fresnel and Fraunhofer diffraction, image formation, resolution, space-bandwidth product.
涵盖的主题包括:在波动光学基本电动力学,极化,干扰,波导,菲涅耳和夫琅和费衍射,成像,分辨率,空间带宽产品。
As an example, an electron wave diffraction transistor is presented, including its principle, structure, performance and its fabrication.
作为一个例子,介绍了电子波衍射晶体管的原理、结构、制造和性能。
The diffraction characteristics of the phase mask for UV-written fiber grating is investigated using rigorous coupled-wave theory.
本文利用严格耦合波理论对用于光纤光栅制作的相位掩模的衍射特性进行了深入的研究。
A diffraction selectivity theoretical analysis method of volume gratings with wave front phase encoding is proposed.
论文给出了分析随机波前相位编码体光栅选择性衍射的一种方法。
In this paper, the combined effect of wave refraction and diffraction, and the variation of longshore wave breaker height are considered.
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。
The results obviously demonstrate wave diffraction in harbor on condition of boundary reflection. Distribution of wave field in harbor is relatively appropriate.
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。
This paper describes in detail the principles, steps and methods of drawing isogram of wave diffraction by computer.
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。
The Angle distribution and plane distribution of the diffraction tomography with ultrashort pulse incident wave was simulated.
模拟计算了超短脉冲波场入射下其衍射层析的角分布与面分布。
The formula of numerical computing is presented with discretion for Fresnel diffraction and phase numerical reconstruction of wave front.
从光的菲涅耳衍射、波前相位重构入手,对连续信号进行了离散化处理,给出了数值计算公式。
After that, evanescent wave coupling, diffraction coupling, interferometer coupling are analyzed in mathematics in detail.
之后,从数学上对倏逝波耦合,衍射耦合,干涉仪耦合的原理进行了详细的分析。
The rigorous coupled-wave theory is used to analyze the characteristics of grating diffraction, and the results indicate that this method produces no phase distortion.
运用严格的光栅衍射耦合波理论分析光栅的衍射特性,发现该方案不会引入相位畸变。
Finally, the computation of wave reflection and diffraction in the Dalian Harbor indicates that the present method can be widely used for computing the wave field in harbors.
对大连港区内的波浪折射绕射进行了计算,表明本方法可以应用于实际港口的波浪场计算中。
Using the method of rigorous coupled-wave theory to compute the diffraction efficiency of a grating, the program for calculating diffraction efficiency for both te and TM polarization is made.
通过利用严格的耦合波理论计算光栅衍射效率的方法,分别编制出了计算te波和TM波的衍射效率程序。
The model system is made up of two main sections, the calculating module for shallow water wave transformation, the calculating module for harbor wave diffraction.
本文模型系统主要由两部分组成,波浪浅水变形计算模块和港内波浪绕射计算模块。
The numerical method of coupled boundary integral equation and finite element has been used to compute the forces of wave diffraction and radiation on large two dimensional objects.
本文中采用边界积分方程和有限元耦合的数值方法,计算了二维波浪绕射和辐射问题。
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.
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.
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;
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