diffraction screen
英 [dəˈfrækʃən skriːn]
美 [dəˈfrækʃən skriːn]
网络 衍射屏
双语例句
- Shade diffraction optic blending research on multi-projection abnormity screen
异形屏幕多通道投影显示渐变衍射光学融合的研究 - Diffraction on edge of semiinfinite screen of eletromagnetic wave
电磁波在半无限屏缘的衍射 - The diffraction orders of the grating type structure on the liquid crystal display screen are utilized in this system.
它采用液晶显示屏作为输入器件，用液晶光阀记录和显示联合功率谱。 - An investigation was made of the higher-order diffraction images were observed on the screen behind the sample.
在远离样品的观察屏上可观察到高阶衍射像。 - An optic fiber grating diffraction screen is developed by use of optical diffraction. Combining with computer neural network, a vision system for recognizing stereo shape is developed.
利用光学衍射原理，研制成了光纤光栅衍射屏，并与计算机神经网络相结合，开发了一种识别立体形状的视觉系统。 - It has been shown that the light intensity distribution of diffraction field depends on geometric characteristics of the holes and the screen, and shape and size of the light source as well.
研究表明：衍射强度的光场分布不仅与孔和屏的几何特性有关，还与光源的形状和大小密切相关。 - Diffraction of Gaussian Beams by a Rectangular Aperture and a Circular Aperture in an Opaque Screen
高斯光束的矩孔和圆孔衍射 - The intensity distribution of the Fraunhofer diffraction field is studied with Fresnel-Kirchhoff diffraction integral and translation phase factor of the screen.
用Fresnel-Kirchhoff衍射积分求解夫琅禾费衍射场分布时引入衍射屏平移相因子，可简化对较复杂衍射屏夫琅禾费衍射的讨论，加深对衍射、干涉现象的理解。 - The problem of Fresnel parallel lights straight-edge diffraction is analysed quantitatively by using Matlab tool. The relative light intensity distributed on the boundary of straight-edge baffle in the viewing screen and the limit coordinate that diffraction light can reach to the shadow are calculated.
利用Matlab对菲涅尔平行光直边衍射问题作了定量的分析，计算了幕上直边挡板边缘处的相对光强及衍射光能到达阴影处的极限坐标； - Diffraction characteristics of screen with randomly-distributed holes under a partially coherent illumination
部份相干光照明的随机孔屏衍射特性 - Diffraction pattern formed from the light reflected by the back of diffraction screen
关于由衍射片的背面反射光形成的衍射图样的讨论 - A geometry approach on Fresnel diffraction by semitransparent strip screen
半透明直条屏菲涅耳衍射的几何分析方法 - The formula for Fraunhofer diffraction, which describes the diffraction pattern on an observing screen locating at the divergence center of an illuminating spherical wave and being parallel with the diffracting screen, is deduced from the Rayleigh-Sommerfeld formula of the scalar diffraction theory.
作者从标量衍射理论的瑞利&索末菲公式出发，导出了描述通过照明波发散中心并与衍射屏平行的观察面所接受到的衍射花样的夫朗和费衍射公式及其成立条件。 - The distribution of raster diffraction stripe is studied in this paper. Contrasted parallel light inclined incidence with upright incidence, which shows that inclined incidence only changes the symmetry of diffraction stripe, and not increase the number of the main greatest stripe on the screen.
本文阐述了光栅衍射条纹的分布，将平行光斜入射与垂直入射的情况做了对比，说明斜入射只能改变衍射条纹的对称性，并不能增加光屏上主极大条纹的条数。 - Based on the partial coherence theory, this paper derives the formula of intensity and variance of diffraction from a screen with randomly-distributed holes.
本文从部份相干理论出发，导出了随机孔屏的衍射强度期望分布及涨落方差表达式； - A general diffraction formula for circular apertures is derived. This formula is not limited by the aperture radius and the distance from the screen and can be used as a theory of near field optics.
推导了圆孔衍射公式，该公式不受孔径大小和到屏距离的限制，可以作为近场光学的理论。 - A modification to an existing empirical solution of diffraction be a half screen with a finite acoustic impedance is proposed, giving the formula a more balanced form and better accuracy when the sereen is not opaque.
本文提出对一个有限声阻抗半无限薄板衍射的经验公式的修改，使这个公式具有较为合理的形式，并在声透射效应不能忽略的情况下给出比较准确的结果。 - Using Visual C++ 6.0, a program is developed to design diffraction screen at random, and to simulate the pattern on receive screen when using point light or plane light source under any wavelength within the range of visible light.
用Visualc＋＋6.0编程，实现了任意设计衍射屏，以及对可见光范围内任意单色点光源或平面波经过衍射屏后的衍射和干射现象进行仿真。 - A study intensity distribution of the Fraunhofer diffraction field with translation phase factor of the screen
用衍射屏平移相因子计算夫琅禾费衍射场强分布 - Diffraction patterns of plane diffraction grating are obtained through computer analogy with VB program on screen.
通过计算机模拟的方法，用VB语言编写程序，运行后可在屏幕上模拟显示平面衍射光栅衍射图样，而且可以实现人机对话。 - Broadly speaking, grating is a diffraction screen with periodic spatial structure or optical properties ( e.g. projected rate, refractive rate).
光栅，广义的说，是具有周期性的空间结构或光学性能（如投射率，折射率）的衍射屏。