三坐标数据的前处理技术是实现NC代码生成的关键技术，因为数据处理的好坏决定生成的NC代码是否正确。
The pre-treatment technology of 3 coordinate data is the crucial technology to realize NC code generation, because it decides whether NC code is right or wrong.
可以肯定的是，这些水陆两栖物种的数据出现在接近三角坐标中间的位置，位于水栖海龟和陆栖乌龟的坐标点之间。
Sure enough, these amphibious species show up on the triangular graph approximately half way between the "wet cluster" of sea turtles and the "dry cluster" of land tortoises.
在收集了10个点的三指数据后，系统将处理X坐标以创建升序排序和降序排序。
After 10 points of three-finger data are collected, the X coordinates are processed to create ascending and descending sorts.
研究了工件的变形形式，并依此提出三坐标测量数据的软件矫正法。
The mode of the distortion of workpiece was studied. A software approach for rectifying three coordinate measuring machine data was proposed.
因此，逆向工程中的一个重要环节就是三坐标测量数据的预处理。
So, pre-handling of the CMM data is one of the most important steps in reverse engineering.
详细论述了在大型装配件逆向设计中三坐标测量及数据预处理的相关环节。
The related link of the three coordinate measuring and the data of pre-processing in reverse design of large assemble was discussed.
经过试验数据的验证，该模型能正确的反映出缺陷的三维坐标。
The model has been proved to be correct by experimental data.
研究了工件的变形形式，并依此提出三坐标测量数据的软件矫正法。
The form of distortion of work piece was studied, and the software rectification method of three coordinates measurement data was put forward accordingly.
提出了分析三维坐标测量数据的计量学方法及相应的表达公式。
A methodology and supporting formulations for analysis of 3d coordinate metrology data are presented.
由三坐标测量机测量获得的数据具有一定的杂乱性，难以直接用于通用CAD软件的反求工程设计中。
The data measured by coordinate measuring machine can not been used directly for reverse elu gineering by general-purpose CAD software because of its litteriness.
在产品的误差检验和反向工程中，为了实际测量的需要以及保证测量数据的一致性，用三坐标测量机进行测量之前必须建立相应的测量坐标系。
In order to ensure the coherence of the measuring data, measuring-coordinate system must be created firstly before the part is measured and checked by coordinate measuring Machine (CMM).
然而，受被测产品的定位、尺寸、障碍处理、表面物理属性、变形等因素的影响，三坐标测量数据不能直接用于逆向造型。
However, CMM data can not be used directly in the modeling because of the orientation, dimension, obstruction handling, superficial physical property and distortion of the products be measured.
研究了工件的变形形式，并依此提出三坐标测量数据的软件矫正法。
The form of distortion of work piece was studied, and the software rectification method of three coordinates measurement data was pot forward accordingly.
该方法以球坐标系中三通道解耦自适应卡尔曼滤波为基础，结合最近邻（NN）方法或概率数据关联滤波（PDAF）方法实现杂波中的机动目标跟踪。
Based on adaptive Kalman filter in polar coordinates, the algorithm was implemented with NN method and PDAF to fuse sensors in clutter.
分别用原nc代码及补偿后的NC代码进行叶片型面的精加工，接着用三坐标测量机进行加工表面点数据的采集。
Respectively use the original NC code and the compensated NC code in the blade surface finish machining, then collect the points data of the blade surface with a coordinate measuring machine.
国内外现阶段，完成数据采集主要依赖接触式三坐标测量机。
对目前反向工程的常用数据测量工具三坐标测量机的自动测量模式及自动编程模式进行了分析和比较。
Automation measuring mode and automation programming mode of three-CMMwhich is the common measure tool in reverse engineering are analyzed and compared.
机器视觉的一个很重要的目标就是从二维图像中恢复出场景的三维坐标数据，重构三维场景。
One of the most important targets is to recover the scene of 3d data and to reconstruct 3d scene.
通过对像面上亮线像坐标的计算可以得到物体上一个剖面的高度数据，如果再加上一维扫描就可以得到三维面形分布。
The height of one section of the object surface can be obtained after computing the pixel coordinates of the light line, and the whole 3d shape can be got with a one-dimension scanning rig.
本文还对坐标转换、串口通信、数据库技术和LOD进行了研究和实验，这些技术也是三维空间数据实时获取和处理中需要用到的。
This paper researches and tries coordinates transformation, serial port communication, database and LOD, which are needed when acquiring real-time 3-dimensional spatial data and disposing it.
探讨了摄像机标定、激光平面标定、被测物体点三维坐标计算及多视角测量数据融合等关键技术。
Some key technologies are discussed such as video cameral calibrating, laser plane calibrating 3-D coordinate computing of measured object and data fusion of multiple view measurement.
给出了数据分块系统性方案，即从仅含有三维坐标的散乱的点云中自动提取几何曲面特性。
A systematic scheme is proposed to automatically extract geometric surface features from a point cloud composed of a set of unorganized three-dimensional coordinate points by data segmentation.
根据实物模型的坐标测量，数据重建模型的三角网格曲面表示在实践中有着广泛的应用。
Triangle mesh surface reconstruction on digitized poi nts obtained from existing physical objects is widely used in practice.
为了高质量准确地对物体多视角三维图象进行快速对齐复位，提出了一种将多个视角三维自然曲面数据精确对齐复位于同一坐标系中的新型迭代方法。
A novel iterative approach is proposed for precise aligning multiple 3D images captured from difference views of a natural object surface in one reference coordinate system.
三维地震模型实验系统主要包括三维坐标自动控制、高速数据采集、超声脉冲或可变频正弦信号发射等装置。
D seismic modeling experiment system mainly includes 3d auto control scanning, high speed sampling, ultrasonic pulse or varying frequency signal emitting, etc.
本论文主要工作是围绕CAD与三坐标测量机之间的数据通讯展开的。
The main research work of the thesis is aimed at the data communication between AutoCAD and CMM.
同时，在进行三维坐标（测）量时，可以通过适当的规划测量布点，使测量数据满足必要性和充分性，为后期处理数据减轻负担，提高效率。
Meanwhile, during 3D coordinate measurement, through appropriate planning surveying, measurement data is satisfying of the need, it will reduce the burden of post-processing, and improve efficiency.
着陆段初期，将局部图像提取的特征点与绕飞段建立的特征点数据库进行匹配，结合小天体三维模型，确定探测器在小天体固连坐标系下的位置、姿态等信息；
At the beginning of landing, the position and attitude of spacecraft can be estimated by using feature matching with the 3D shape features database builded during the rotation phase.
着陆段初期，将局部图像提取的特征点与绕飞段建立的特征点数据库进行匹配，结合小天体三维模型，确定探测器在小天体固连坐标系下的位置、姿态等信息；
At the beginning of landing, the position and attitude of spacecraft can be estimated by using feature matching with the 3D shape features database builded during the rotation phase.
应用推荐