面形

X射线环面聚焦镜压弯调整与面形测量

Adjustment and measurement of the tent toroidal mirror

最后结合具体实验进行了分析和讨论，实验所测得的面形误差为nm量级。

Furthermore , it also presents some elementary experimental results that the surface error is up to nm level .

研究了面形位编码的CAD模型整体搜索算法，并实现了基于形状描述子的CAD模型整体搜索算法。

Study the global search problem for CAD models based on face shape-location codes and implement a global search algorithm based on the shape descriptors .

用DMD灰度曝光法产生连续面形微结构

DMD-based Gray-tone Lithography for Fabrication of Continuous Profile Microstructure

本文是对自适应滤波器在高次非球面面形检测的应用研究，采用自上而下的设计思想，用FPGA实现了自适应滤波器。

In this paper , study of adaptive filter in high-order aspheric surface shape detection , we use top-down design to implement self-adapting filter by using FPGA .

汽车灯配光镜是一种面形复杂、边界不完全规正的微透镜阵列，其数据结构及搜索方法是CAD软件实现的难点之一。

Profile of a automobile headlamp lens arrays is complex and its boundaries are not completely regular . Data structure and search method are two key points for CAD software .

文中根据Hertz理论，将板面荷载假设为半球面形分布。

According to Hertz 's theory , the distribu-tion load is assumed as a half ball .

论述了Zernike拟合时的方向问题，计算了法线方向的面形误差；

The direction question for Zernike polynomials fit is discussed and the surface error in the normal direction is deduced .

通过分析多面形非圆型面的结构特征，建立了各特征参数之间的关系式，采用数学归纳法导出了任意n面形非圆型面的设计定理。

Though analyzing the structure characteristics of arbitrary n-polygon non-circular sections , the mathematical formulas among the characteristic parameters were set up , and the theorem for designing this kind of sections was deduced by mathematical induction method .

提出了一种基于PMP原理的对圆形流水线上工件面形进行在线检测的方法。

A new three dimensional ( 3D ) on-line inspecting method for workpiece on the circular pipeline by PMP was proposed .

讨论了最近研制成功的新型大量程长程面形仪（LTP）中精密线性导轨扫描、定向移动以及高精度任意步长等运动的控制；

The control of linear guided stage and image capturing system in the novel Long Trace Profiler ( LTP ) are discussed .

为便捷地定量检测大口径光学元件面形，运用数字刀口检测技术，把传统刀口仪与CCD图像采集处理、计算机辅助计算相结合，构成数字刀口仪。

In order to conveniently and quantitatively test the surface shape of large aperture optics , a digital knife-edge tester is integrated with a traditional knife-edge tester , CCD image processing and a computer aid calculation .

最后还进行了基于电场操控液滴面形的非球面SIL的制作和利用制作的透镜阵列进行光束扫描的实验，效果良好。

At last , aspherical solid immersion lens is fabricated and beam steering experiment using fabricated lens array is accomplished and have good results .

空间太阳望远镜（SST）的装校需要一个倒置的直径为1m的平面镜，此平面镜的面形精度决定了SST的装校成败。

An inverted Φ 1m flat mirror was needed in alignment of space solar telescope ( SST ), the precision of face shape determined the success and failure of SST 's alignment .

讨论了计算机控制非球面加工（CCOS）过程中精磨阶段的面形误差数字化技术。

A digitizing technology of surface map error during grinding time for computer controlled optical surfacing is discussed .

分析了影响铌酸锂晶片抛光效果的因素，通过优化工艺参数，使铌酸锂的表面粗糙度Ra达到0.387nm，平面面形误差小于4μm。

The influence factors in this polishing process were discussed . The roughness Ra of Z-cut wafer ( 76mm ) reaches ( 0.387 ) nm and the flatness is less than 4 μ m through optimizing technical parameters .

分别用平面消差、在非圆域内的Zernike多项式系数拟合和在圆域内的Zernike多项式系数拟合等三种方法对检测得到的波面面形数据进行数据处理。

This paper calculates all sub-aperture testing phasic data by three methods such as : plane fitting , Zernike fitting in a circular area and Zernike fitting in a non-circular area .

由于Zernike多项式的各项与光学像差有相应的对应关系，用Zernike多项式对镜面面形数据进行处理的方法已经广泛应用于工程项目、光学系统设计软件和干涉检查等。

The items of Zernike polynomials have corresponding meanings of Seidel aberrations . The method of using Zernike polynomials to fit optical surfaces has been widely used in project , optical design software and interference check .

对典型的平面类三维面形&斜面进行了仿真实验，得到系统在Z轴（深度方向）、X轴、Y轴方向的测量误差分别为0.31%，0.22%，0.23%，达到了系统的预期要求。

The simulation experiments for typical 3-D profile ? inclined plane show that the measuring errors of the system in axis Z ( depth direction ), axis X and axis Y are 0.31 % , 0.22 % and 0.23 % , respectively , which meet with the prospected demands .

基于频域分析理论，利用泽尼克多项式对不同口径局部误差进行了拟合，并利用齐戈（Zygo）干涉仪对带有不同面形误差的光学元件进行了试验分析。

Based on frequency domain theory , local errors with different apertures are fitted using Zernike polynomials and experiments on optical elements are made using Zygo interferometer .

分析过程借助于数字图像处理技术，完成对干涉条纹的处理和对条纹有效信息的采样，最终通过Zernike多项式拟合被测波前，从而得出被测元件的面形信息。

Through analysis of digital image processing technology , interference fringes are processed , the effective information of fringe are sampled . Eventually , through the Zernike polynomials to fit under measured wavefront , the surface shape information under measured component is obtained .

对面源目标，重新确定了温差的概念，综合考虑目标的面形尺寸、观察等级和探测概率的要求，以MRTD为基准计算作用距离。

As for extended target , the concept of temperature difference is redefined , and the formula of calculating system operating range based on MRTD is given , considering of the dimension of the target , discrimination level and detection probability .

提出了基于奇异值分解的维数分析方法将高斯球上的聚类分成点形、线形和面形的聚类。每个聚类对应R3中的一个点集。

Based on the singular value decomposition , the dimensional analysis is introduced to classify clusters on the Gaussian sphere into point - , curve - , and area-form clusters , each of which is the Gaussian image of a set of points in R3 .

傅立叶变换用于全息三维物体面形测量

Object shape measurement using Fourier transform profilometry and holographic interference fringe

采用准正弦投影光场的三维面形测量系统

The 3-D Object Shapes Measurement System By Quasi-sine Modulating Optical Field

这个坐标系叫做该点的三面形坐标系。

This coordinate system is called the triad at the point .

光学器件面形误差对光束质量的影响

Influence of the Surface Error of Optical Elements on Beam Quality

最后，采用三角测量原理得到被测物体的面形。

Then , the shapes of objects are reconstructed with triangulation .

光干涉在光学元件面形测量中的应用

Application of Light Interference in the Measurement of Optical Element Surface

光学面形绝对检测的数字干涉新方法

A New Method for the Absolute Calibration of an Optical Surface