坐标系统

By analyzing a variety of structural systems of digtal waveform synthesizer based on coordinate method, a more comprehesive system description is given.

全面系统地分析了基于坐标法的各种数字波形合成器的结构体系，提出了比较系统、完整的体系描述。

With the state-of -date computer-aided control technology,in which the coordinate transformation and retransformation,the digital calculation and filtering/regenerative compensating calculation are carried out,the compound control-tracking system with regenerative feedback is built up and the high-precision tracking to high-speed moving objects is finally realized.

为提高伺服系统跟踪精度，利用现代计算机辅助控制技术，用软件进行坐标变换与反变换、数字计算与滤波和再生补偿量的计算，构成具有再生反馈的复合控制跟踪系统，最终实现对高速运动目标的高精度跟踪。

The method is based on a variable structure to control the SVC, wherein, the variable structure control method comprises two aspects of the unbalanced load equalization compensation and the parameter control of a PI controller, wherein, the unbalanced load equalization compensation adopts the SVC compensation susceptance computational method which is based on the synchronous rotation reference coordinate transformation of a virtual symmetrical three-phase system; meanwhile, in the stabilization control of the system voltage, the ant colony algorithm optimization method is adopted to real time adjust and to optimize the parameter kp and ki of the PI controller.

本发明公开了一种静止无功补偿器的不平衡补偿和蚁群优化方法，基于变结构对静止无功补偿器SVC进行控制，其中变结构控制方法包括不平衡负荷平衡化补偿和PI控制器的参数控制两个方面，其中不平衡负荷平衡化补偿采用基于虚拟对称三相系统的同步旋转参考坐标变换的SVC补偿电纳计算方法；同时在系统电压稳定控制时，采用蚁群算法优化方法，对PI控制器的参数kp、ki进行实时调整、寻优。

Perceiving advertising campaign in the aspect of social meaning of communication structure system, especially cogitating the interactive relationship between advertising campaign and social life system is the important coordinate when trying to manage advertising.

而从社会意义传播结构的系统视角去观照广告运动，特别是思考广告运动和社会生活系统之间的互动关系，是重新把握广告的重要坐标，也是具有中国本土特色的广告研究理论体系建构的目标要求。

Based on the engineering background of the precision guided bomb, the transform relations between different coordinate were investigated, and the effects of azimuth error was analyzed.

将制导炸弹的SINS/GPS组合导航系统输出的导航信息进行坐标转换，产生制导控制系统所需要的发射坐标系下的信息，以实现制导炸弹的制导与控制功能。

Through coupling of computational car course 5 rank the Li Dai of the model is counted, got Li Dai counts the verdict of full order, make clear 5 rank the system that the model is strong coupling of course of a car, alternate through coordinate the system cannot solve Ou only.

通过计算车轨耦合五阶模型的李代数，得到了李代数满秩的结论，表明五阶模型是一个车轨强耦合的系统，仅通过坐标变换系统无法解耦。

The analyzing method of NC code that coincides with the international ISO standards is studied. In terms of programming criterion of FANUC system, the dissertation proposes and realizes the theory of compiling and explaining NC code, verification methods of NC code, and interpolation algorithms of NC instruction in machining simulation process. And the NC cutter location information file is produced to drive NC machining simulation system.

研究了符合ISO 标准的NC 程序的分析处理方法，并具体针对FANUC数控系统的编程规范，研究了NC 程序的编译解释原理，提出了加工过程仿真中NC 程序检验方法，实现了NC 指令的插补离散化算法，生成了NC 坐标信息文件，以此作为驱动NC 加工仿真系统的数据源； 3。

The fault on trajectory is only integrated one time, it can be judged whether the system is critical unstable;(7) The stability and the sensitiveness analysis are measured directly by time;(8) SCMT is new method different from TEF and SBS.

本文将系统在Z坐标空间的持续故障轨线的第一维分量的过零时间作为系统的临界切除时间，判把简单，实施方便。

The vision system captures real-time images, makes camera calibrations with Zhang's method, preprocesses images, matches feature point, then gets the stereo coordinate of the feature point of the suspicious objects, programming with Matlab7.0 and the pattern matching library EasyMatch of machine vision software eVision, displays the real-time images on the console, finally, controls semi-intelligent explosive-handling robot to grasp the suspicious object automatically and accurately.

单手双目手眼系统是半智能排爆机器人的重要组成部分和关键技术，该视觉系统利用双目立体视觉原理，采用Matlab7.0作为运算引擎，调用机器视觉处理软件EVision6.2中的EasyMatch模式匹配库进行立体图像匹配，能实时捕获排爆机器人周围的图像信息、进行摄像机标定、图像预处理、立体图像匹配、确定机器人未端手爪与可疑目标物的相对位置坐标，并把图像实时显示在控制台，自动控制手臂靠近并准确地抓取可疑目标物。

Mechanical models and differential equations of motion for high speed pantographs;2. By the principle, differential equations of motion for variable-mass nonholonomic systems constrained to the fixed axis rotation are obtained.

建立了变质量力学系统在定轴转动参考系中的Jourdain原理，由此得到了受定轴转动约束的变质量力学系统运动微分方程，给出了准坐标形式，最后举例说明方程的应用。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。