坐标

This is the basic concept behind the world coordinates and the viewport coordinates below.

这是世界背后的基本概念坐标和视口坐标如下。

This invention relates to one large size space coordinate measurement technique and device based on automatic visual guidance, which aims to provide one coordinate measurement and device and adopts the following scheme: altometer fulfills the points to be tested for automatic identification and measurement through variable cameral guidance to realize the large size space coordinate identification and fine measurement by each crossing constraints.

本发明的目的是提供一种基于自动视觉引导的大尺寸空间坐标测量方法及检测装置，该装置具有测量速度快、非接触、能在恶劣的环境中使用、较高的测量重复性特点，本发明采用的技术方案是，经纬仪通过可变焦摄像机的引导完成对被测点的自动识别及测量，由各经纬仪间的交汇约束实现大尺寸内空间坐标的自动识别及精密测量。

From the calculations, it can draw the conclusions:① The interaction potentials induced by the interaction of phonons with the ele ctron can be divided into two parts. One is only relevant to the coordinate z 1(z2), and the other is relevant not only to z1 and z2 but als o to ρ.② The absolute values of the induced potentials VIL and VI,σ decrease with the increase of ρ.③ The abs ol ute value of IO-phonon-induced potential decreases with the increase of the qu antum well width.

通过计算可得出如下结论：(1)双极化子的诱生势可以分为两部分，其中一部分仅与一个电子的坐标z1(z 2)有关，另一部分则不仅与两个电子的坐标z1和z2都有关，还与两个电子间的相对距离ρ有关；(2)诱生势VIL和VI，σ的绝对值随着双极化子中两个电子间相对距离ρ的增加而减小；(3)由于电子与IO声子相互作用而产生的诱生势VI，σ的绝对值随量子阱宽度N的增加而减小。

Methods: 12 fresh frozen adult leg-foot specimens were mounted in a coordinated system, a Steinmann pin was perforated across the calcaneus, cuboidcum, talus, and naviculare as markers. The displacements of the marked points in the coordinated system were recorded. Through matrix translation and Euler equation, the rotational angle of the calcaneus, cuboideum, talus, naviculare were calculated, which represented the motion of the calcaneocuboid, talonavicular and ankle joint in different condition respectively, while statistical analysis were also taken between different conditions.

取新鲜足标本12例，通过加载使足产生某种形式的运动，用三维数字化坐标仪测量距下关节组成骨在某种运动状态下的相对三维坐标位移，通过矩阵转换和求解非线性函数方程计算其三维旋转角度，确定距下关节的运动范围、规律和在足整体运动中的作用。

For the theory, method and technique of 3D color information collected, the method for obtaining 3D space coordinate and color information of object with active illuminated multi-channel synchro scanning is presented, and the theory and method of 3D sensor and color sensor of calibration, which is the calibration techniques of BP neural network and linear partition and the method of integrating them, is also studied. A filament calibration target for 3D color system is designed and made. And the calibration of multiple sensors and the matching of 3D space coordinate information and color information, and the automatic matching of multiple sensors are realized with cameral calibration technique presented and filament calibration target designed.

在三维彩色信息获取的理论、方法、技术方面，提出采用主动照明的多通道同步扫描方法获取被测物体三维空间坐标和彩色信息，以BP神经网络、线性分区及其组合标定技术研究了三维传感器和彩色传感器标定理论和方法，设计并研制了用于三维彩色系统的细丝标定靶，并利用所提出的摄像机标定方法和细丝标定靶实现了多个传感器的标定、物体三维空间坐标信息与彩色信息的匹配及多传感器数据的自动匹配。

Including: basic coordinate changing: MOVE (move the entire or a part of figure to other location of coordinate); ZOOM (used for export map with different size); CIRCUMROTATION;仿射变换 integration move, zoom and circumrotation

坐标变换包括：基本坐标变换：平移（将图形的一部分或全部移动到迪卡尔坐标系中另外的位置）、缩放（用于输出大小不同的图形）、旋转；仿射变换（综合考虑图形的平移、旋转和缩放的变换）。

So we also must generate TIN patches dividually then merge them into the whole plaster models DSM.

最后，建立每个模型点坐标与影像坐标之间的映射关系，将影像纹理映射到数字表面模型上并利用OPENGL技术显示石膏像完整的三维数字表面模型。

The results show that the particles in the two phosphor samples are overall spherical-shaped with a mean size of ~300 nm, and their main emission peaks under 147 nm VUV excitation are located at 619 nm. In comparison with Y0.95Eu0.05PO4 phosphor, Y095Eu0.05 (P0.2V0.8)O4 phosphor is a more promising candidate for red-emitting PDP phosphor application due to its higher homochromy and its chromaticity coordinates closer to flammulated chromaticity coordinates (0.67, 0.33) regulated by National Television Standard Committee.

结果表明，制得的Y0.95Eu0.05P(下标 1-xVO4(x：0，0.8)荧光粉的粒径约为300nm，在147nm真空紫外激发下，发射光谱的主峰位于619nm；与Y0.95Eu0.05PO4荧光粉相比，Y0.95Eu0.05(P0.2V0.8)O4具有更好的色纯度，它的色度坐标更接近国际电视标准委员会规定的红色色度坐标(0.67， 0.33)，是具有很好应用前景的PDP红色荧光粉。

In the research on assessment of inspectability, a uncertainty model and uncertainty propagation model of Virtual Coordinate Inspecting System is setup according to the feature that parts to be inspected in Virtual Coordinate Inspecting System are considered as ideal parts.

在可测量性评估方法的研究中，本文从虚拟坐标测量系统中的零件被当作理想零件这一特点出发，建立了虚拟坐标测量系统的不确定度模型及其不确定度传递模型。

Centering on these two purposes, this paper sets up the architecture and functional model of Virtual Coordinate Inspecting System , determines its characteristics, determines its working process that from inspection planning、path planning、movement simulation、measurement uncertainty analysis of inspected parameters and assessment of inspectability according to user's demands.

围绕这两个目的，本文首先建立了虚拟坐标测量系统的体系结构和功能模型，确定了虚拟坐标测量系统的特征，确定了根据用户需求进行测量方法设计和路径规划，进而进行测量过程运动仿真、被测参数的测量不确定度分析和可测量性评估这一工作过程。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐