坐标系统

The 3D vision coordinates measurement system using Light Pen is proposed on the new technique.

本文正是以这项新兴技术为基础构建光笔三维视觉坐标测量系统。

Finally, based on the relative observation data of LS and CCD, the position of objects in local coordinate system can be obtained.

在近景目标三维测量系统中，是根据GPS定位平台的姿态角，通过GPS平台、激光扫描仪及CCD相机之间的固定位置关系，得到CCD相机、激光扫描仪的姿态参数，依据扫描仪和CCD相机对地物点的观测，解算出地物点在当地坐标系下的坐标。

This paper depicts the geometric model establishment of coordinate lofting of saddle shape curves and its contents and characteristics, as well as the application method of the program system.

文章介绍了马鞍口放样坐标几何模型的建立及机算程序设计内容和特点，并通过实例说明该机算系统的应用方法。

In this paper, the basic principles of vector control, coordinate transformation, the mathematical model induction motor control and fuzzy theory, for vector control characteristics, the design of a rate based on fuzzy logic controller to form a new vector control system, using MATLAB / SIMULINK Software simulation analysis.

本文阐述了矢量控制的基本原理、坐标变换、异步电机的数学模型以及模糊控制理论，针对矢量控制特点，设计一个基于模糊逻辑的速度控制器来组成新的矢量控制系统，利用MATLAB/SIMULINK软件进行仿真分析。

Global positioning system;Coordinate transformation;Transverse Mercator projection coordinate

中文关键字全球定位系统；坐标转换；横麦卡脱投影座标

Products for the caliper, micrometer, dial indicator, dial gauge, lever scale thickness measurement tools, etc., as well as precision projector, instrument measuring microscopes, video measuring instrument, the second element altimeter, three-coordinate measuring instrument of precision measuring instruments, etc. mainly used for scientific research units, teaching the field, aerospace, automobile, shipbuilding, electronics, metal, plastic and many other fields in nanotechnology today, represented by technological innovation, it is necessary to adapt to the ever-changing industry needs, constantly drawing and the use of advanced science and technology, high-precision measuring instruments for scientific research in manufacturing has played a role as a bridge has been all over the world the user's trust and support.

产品为卡尺、千分尺、百分表、千分表、杠杆表、厚薄表等测量工具以及精密投影仪、工具测量显微镜、影像量测仪、二次元高度仪、三坐标测量仪等系统精密测量仪器，主要用于科研单位、教学领域、航空航天、汽车、造船、电子、五金、塑料等许多领域，在今天以纳米技术为代表的技术革新，要适应千变万化的产业界的需求，不断的吸取和运用先进的科学技术，高精密测量仪器在为科研制造等方面起到了桥梁作用，得到了全世界各用户的信赖和支持。

In recent years, companies step up the development of the fast lane: the completion of the production run has been an annual output of 150,000 tons of pig iron smelting companies; under construction, the modernization of 30,000 tons annual output of castings and machining parts auto parts company has advanced Vertical shot molding pressure, the level of sub-type microseism compaction modeling line, self-hardening resin sand molding line, dual power supply frequency melting furnace, sand automated treatment systems, as well as CNC machining centers and machining equipment production lines production equipment, with direct-reading spectrometer, casthouse Express analyzer, Coordinate measuring instrument, ultrasonic flaw detector such as the modernization of non-destructive testing equipment and a full range of conventional detection equipment; at the same time the company has a skilled use of CAD / CMD technology design, manufacturing, machining workforce and more than ten years such as day, love and respect their jobs, and accumulated rich experience in foundry staff.

近年来，公司步上了发展的快车道：建成了已投产运行的年产15万吨生铁的冶炼公司；正在建设的现代化的年产30000吨铸件和机加工件的汽车零部件公司拥有先进的垂直分型射压造型线、水平分型微震压实造型线、自硬树脂砂造型线、双供电中频熔化炉、自动化的砂处理系统以及加工中心和数控设备组成的机加工生产线等生产设备，拥有直读式光谱仪、炉前快速分析仪、三坐标测量仪、超声波无损探伤仪等现代化的检测设备和齐全的常规检测设备；同时公司拥有一支熟练运用CAD/CMD技术进行设计、制造、机械加工的员工队伍和十几年如一日、爱岗敬业、积累了丰富经验的铸造员工队伍。

Two-dimensional scatter plot of principal axes analysis,systematic cluster tree and the minimal spanning tree on the basis of niche overlaps were drawn,which revealed the ecological similarity of 42 moss species.The combinative application of principal axes analysis,systematic cluster analysis and minimal spanning tree method on the basis of niche overlaps could express the ecological similarities among species intuitively.

以此为指标，分别应用主坐标排序、图论聚类及系统聚类分析方法，作出了反映42种地面藓类的种间生态关系的二维投影图、最小生成树和动态聚类图。3种方法相结合，能够对生态位重叠值矩阵进行直观地表达，并使所表达的藓类种间关系具有确切的生态学含义。

An experiment shows that the developed optical measuring system is effective.

实验结果表明本文开发的光学坐标测量系统是有效的。

In this paper we begin with the electrical principle of the oxygen sensor, analyze the motive detecting method of the oxygen sensor in the LS400 car with the two-dimensional coordinator and explain the way to recognize the fault codes with oscillogram, finally illuminate the meaning of the different fault codes.

在修理发动机电控系统故障时，最想看到的就是发动机故障指示灯有规律地闪烁但有些故障需要在一定条件下，采用一定的方法才能检测到其故障代码，氧传感器的故障代码就属于这种代码通过对氧传感器的电路原理的分析，利用二维坐标图形论述了凌志LS400型轿车氧传感器的动态检测方法，并用波形图说明了该种车型的故障码识别方法，最后指出了不同故障码的意义。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。