diffraction fringe
英 [dəˈfrækʃən frɪndʒ]
美 [dəˈfrækʃən frɪndʒ]
衍（绕）射条纹
双语例句
- When the slit of light source there is definite width W, the width of diffraction fringe should increase, and the minimum resolving angle Δθ k should be increasing, then the resolving power of actual grating system should be decreasing.
当光源狭缝还有一定宽度W时，衍射条纹将增宽，相应最小分辨角Δθk将增大，实际光栅系统的分辨本领将减小。 - Variation in single slit Fraunhofer ′ s diffraction fringe in transparent medium
透明介质中单缝Fraunhofer′s衍射条纹的变化 - Based on Rayleigh-Sommerfeld diffraction scalar integral formula, the distributing formula of far diffraction field of planar waveguide and the equation of spatial frequency at half maximum intensity of central bright fringe of far diffraction field of planar waveguide in TEo mode are educed.
由瑞利&索末菲标量衍射积分公式出发，推导出平面波导基模衍射远场分布表达式和中央亮条纹强度半最大值处的空间频率所满足的方程。 - According to fraunhofer single slit diffraction, the paper has discussed the influence of time coherence and spatial coherence of light source in diffraction field, the relation between the diffraction fringe and the source coherence are obtained.
以夫琅和费单缝衍射为例，讨论了光源的时间相干性和空间相干性对衍射场的影响，从而得到光源的相干性与衍射条纹清晰度的关系。 - Analytic Expression of Diffraction Fringe of Varied-line-space Plane Gratings
平面变线距光栅衍射场的解析表达式 - The measurement of diffraction fringe width, the tropism of incident light E and the transverse displacement of CCD are the main factors that influence this precision from the study of theoretical arithmetic and experiment.
理论计算和实验表明影响细丝直径测量精度的因素包括：衍射条纹宽度的测量、入射光波E取向和CCD的横向移动等。 - In this paper, the tiny diameter is measured by using the diffraction principle and image processing technology. The centroid algorithm for recognizing centre of fringe is presented
本文用衍射原理和图象处理技术对细丝直径进行了测量，提出了识别条纹中心的形心算法 - To evaluate a silver halide holographic recording material by measuring its optical density D, diffraction efficiency η and signal noise ratio SNR to obtain their relationships with exposure, beam ratio and fringe visibility is a conventional method in holography.
为了测定卤化银乳胶全息记录材料的特性，传统方法通常是测定其光密度D，衍射效率η和信噪比SNR等与曝光量、光束比或条纹可见度等参量之间的关系。 - Be based on measuring wire tiny diameter with laser diffraction, a method of hardware equidistance subdivision for dark string spans of diffraction fringe is presented.
在激光衍射法测量微细线径的基础上，提出用硬件插值细分的方法来确定衍射图样暗纹间距。 - In order to eliminate the false singularities in the Fringe Components of Equivalent Edge Currents expressions, this paper extends the treatment of false singularities of diffraction coefficients in the Physical Theory of Diffraction into the Fringe Components of Equivalent Edge Currents expressions.
为消除等效电磁流边缘分量表达式中虚假奇异点，将物理绕射理论中处理绕射系数的虚假奇异点的方法推广到等效电磁流边缘分量表达式中。 - In optical measurement, we could calibrate precision instrument and increase the measuring precision by using the laser interference ( diffraction) fringe orders; the fringe orders could be automatically determined by the zero order fringes 'minimum chromatic polarization;
光测量主要通过激光发生干涉（衍射），利用干涉（衍射）条纹的级次进行定标、精确测量，利用零级条纹色偏最小原理，对条纹级次进行自动判断； - The distance between adjacent dark fringes of diffraction fringe of wire is determined at low and high temperature by CCD detector, the value of high temperature is measured by pyrophotometer, and the coefficient of linear expansion of wire is calculated.
利用CCD探测器分别测出常温和高温下金属丝衍射花样相邻暗纹的间距，用光学高温计测出加热时的温度值，从而求出线膨胀系数。 - The Determination of Aromatic Degree of Kerogen by X-ray Diffraction Instrument for Straightness Measurement using Non-diffracting Beam and Moir é fringe
用X光衍射法研究干酪根的微观结构无衍射光莫尔条纹法直线度测量仪 - In the framework of the Fresnel diffraction theory, we investigated the self-image of two-dimensional phase gratings under a partially coherent illumination. The fringe visibility of the self-image has been analyzed as a function of the spatial coherence length.
在菲涅耳衍射理论的框架下，我们研究了部分相干光照明下二维相位型光栅的自成像，并分析自成像的条纹可见度随空间相干长度的变化。