查询词典 fringes

The analytical geometry is used to study the formulas of Moire fringes for the measurement of screen line, to analyze the geometric forms and their properties of Moire fringes , and further discusses the bases of theory for the measurement of screen line.

本文用解析几何学方法研究测量网线的莫尔条纹方程，分析莫尔条纹的几何形状与特性，并且进一步讨论网线测量的理论依据，旨在深刻地揭示测量网线的莫尔条纹原理。

Based on the relations of the diffraction field and the surface wave, which conclude diffraction factor and interference factor, some relations were conformed such as: the diffraction fringes spatial distribution versus surface wavelength, the fringes half angular width versus the numbers of surface wave covered by laser spots and incidence angle, diffraction intensity versus surface wave amplitude.

通过对衍射因子和干涉因子的分析，得到衍射条纹空间分布与表面波波长的关系、条纹的半角宽度与入射激光光斑覆盖表面波的个数和入射方向的关系、衍射光强度与表面波振幅的关系，并解释了条纹缺级现象。

In photoelastic stress analysis, the accuracy of analysis can be improved by using fractional isochromatic fringes, so it is very important to study the approach for producing fractional fringes.

在光弹应力分析中，利用分数级条纹可以提高分析精度，于是，产生分数级条纹的方法研究就变得非常重要。

When Lloyd's mirror interference is combined with grating diffraction the fringes for different colors produced by white light source can be coincident, thus the white and black fringes will be observed.

把劳埃镜干涉和光栅衍射结合起来，有可能使白光源产生的不同颜色的条纹彼此重合，从而能观察到清晰的黑白条纹。

F the magnifying effect of Moire which consists of grating and laser interferometric fringes, the small displacements of interferometric fringes,which are caused by small angular change,are magnified several thousands times,thus,the sensitivity of measuring system is greatly improved.

其原理是用一个光栅与激光干涉条纹组成莫尔条纹，利用莫尔条纹的放大作用将干涉条纹在微小角变下的微小移动放大几千倍，从而大大提高了测量灵敏度，使测量精度提高到0。

An interference pattern of two systems of fringes has been obtained by vising two radiations in a Hilger prism interferometer A system of white bands with equal spacing which are always parallel to the refracting, edge of the prisin is the result of the intersection of the two systems of fringes.

在Hilger棱镜干涉仪中，用两辐射线，则在一干涉图形中可得两组不同方向之干涉纹；因两组不同方向之干涉纹之相交，而得一组平行之白色条纹。此种条纹恒与棱镜折射边相平行，而条纹间之间隔为相等。

When parallel laser beam is irradiating the bubble in the prism, circular interference fringe is produced in the far-field. Based on the far-field theoretical model, the angle position of interference fringes outside the prism is measured with spectrometer and converted into the angle position of interference fringes inside the prism according to Snell's law and then bubble diameter is calculated with computing software Mathematica, the relative difference of which is 0.2%.

平行激光束照射到棱镜中的气泡时，在远场将产生圆环状干涉条纹，利用气泡远场干涉理论模型，使用分光仪对三棱镜外干涉条纹角位置进行测量，由折射定律换算为棱镜内干涉条纹角位置，进而使用计算软件mathematica计算出气泡直径，其相对差为0.2%。

The model of fiber-optic Fabry-Perot interferometer was established when ideal or unideal optical source was applied. Through simulating interferometric signal by computer under the condition of nonmonochromatic light, the symmetry of fringes deteriorated, the fluctuating domain of fringes became small as the ratio of cavity length to coherence length increasing.

推导了光源在理想情况和非理想情况下的光纤Fabry-Perot干涉模型，通过计算机模拟了干涉信号，指出在非单色光源下，干涉条纹失去周期性，随着腔长相干长度比增加干涉条纹的变化幅度减小，最后演化成一条直线，条纹的可见度也慢慢趋近于零。

Compared with methods appeared in literatures, our algorithm, with high accuracy, sensitivity and correctness, complete adaptively the correct distinction between interferential fringes and backgrounds. In chapter four, methods for the computer operatable description of line and region features are discussed, which contains: Computation curve's curvature in quantity, Fringes' separation distance , Contour's smoothness of region, Similarity of varied curves.

在第三章中，本文研究的是以线条为直接目标的图象分割方法——条纹抽取，在研究分析了许多条纹抽取方法以后，针对激光全息焊点缺陷检测这一课题中的复杂数字光学图象LHII条纹抽取进行了多方面的研究，主要有：分别从点对应、邻域特性对应推导并提出了几个信息分离算法；结合光学图象形成方面的知识，提出了变周期余弦分割二值化方法；结合当前条纹走向、毗邻条纹走向及可靠条纹点约束条纹跟踪，在许多方面，改进并发展了常规的条纹跟踪算法，实现了无人-机交互的全自动条纹跟踪抽取。

Our recent works of PDE-based image processing on electronic speckle pattern interferometry are reviewed,including performing contrast enhancement and denoising simultaneously for ESPI fringes,proposing new oriented PDE denoising models for dense ESPI fringes and a nearly preprocessing-free method for skeletonization of gray scale ESPI fringes.

回顾了近几年偏微分方程图像处理技术在电子散斑干涉条纹处理中的应用成果，包括应用偏微分方程图像处理方法同时实现电子散斑干涉条纹图和相位图的滤波和增强处理，提出用于密集电子散斑干涉条纹处理的方向偏微分方程模型及提取电子散斑干涉条纹骨架线的偏微分方程方法。

For those who choose to go with Scryer, the main perks of aligning your character with them is the added critical strike rating once you gain enough reputation with them.

如果说王小波的作品是茶，那么对不起，只能说他心中都是茶，不是王小波改行当了采茶女。

The secret is not to "think" about the thoughts but to allow them to flow through your mind,while keeping your mind free of afterthoughts.

其中的诀窍就是不要去&想&念头，让它流贯心头，保持心的自由和开放。