坐标系的

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）。

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

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）。

Then the 3D data from each stereo visionmeasuring unit can be translated into a unique frame of refrence.2. Designed control points of plane form with homocentric arcs and ball markers.By the moment invariants and least-squared procedure of ellipse fit, the markers wererecognized and located automatically with high precision.3. Studied the technology of camera self-calibration, according to the camerawith wide field of view, set up the distorted projection camera model.

通过被测物表面的控制点，将局部测量数据统一到全局坐标系中。2、设计了平面型多重圆弧编码控制点及立体控制点，结合边缘矩的不变性和椭圆最小二乘拟合技术实现控制点的精确定位。3、研究了相机的自标定技术，针对大视场相机的特点，建立了非线性相机成像模型，采用优化算法完成了相机的内、外部参数标定。

This paper presents research on the intersystem prediction and analysis of electromagnetic compatibility to the radio systems positioned by the geographical longitude and latitude coordinate system and the elevation system.

本文对处于陆上局部区域内的、以经纬度地理坐标系和高程系进行定位的无线电系统间的电磁兼容性预测进行了研究，以对系统间的相互干扰情况作出预测，给解决局部区域中无线电系统间相互干扰问题的方案提供支持，以避免在系统布置、安装完成之后出现相互干扰情况而使系统性能下降，甚至失效，造成资金和时间的浪费。

Fifthly, by adopt new matrix coordinate system means, found a tricycle WMR"s kinematic model, especially the investigation in the kinematically modeling of steered wheel and non-steered wheel. At the same time, the dynamic modeling of robot"s playing football motion, consummate mobile robots system.

第五，采用新型的矩阵坐标系方法，建立了三轮式机器人的动力学模型，尤其是在导向轮和非导向轮的动力学建模方面进行了深入的研究；同时，对机器人踢足球的运动进行动态建模，进一步完善了移动机器人体系。

Four parts are included as follows:First of all, the phasor method is adopted to analyze the influence of the demagnetizing coefficient, saliency ratio and stator current control strategies of PMSM on the motors voltage and current phasor loci and then the power capability and the flux-weakening level.

概括起来，本文的内容可分为以下几个部分：第一部分首次采用永磁同步电动机d、q坐标系下的相量分析方法，详细分析电机不同弱磁率、凸极率及不同定子电流控制策略对电机电压、电流相量变化轨迹的影响，及由此导致的电机功率特性及弱磁扩速能力的差异。

As compared with previous work, this method not only can avoid complex calculations, but also provide a more systematical and obvious expression form of solution due to the dexterous use of relative coordinate system.

本文的研究中采用了独特的分析坐标系，这样在解决和建立可攻击判据的问题上，不仅避免了繁杂的数值计算，还给出了完备的解析解形式及系统化的概念。

Firstly, this thesis makes an introduces on the developement of PMSM servo system based on DSP. According to the control theory of AC PMSM servo system, this paper analyzes the coordinate transformation, the rotor magnetic field orientation and the current control strategy of AC servo system. The control strategy is i_d=0. The system is orientates towards rotor magnetic field. Then the mathmatic models of PMSM in d-q coordinate are set up.

本文首先对基于DSP的永磁同步电机伺服系统的发展概况进行了介绍；根据永磁同步交流伺服系统的基本控制理论，分析了交流伺服系统坐标变换原理、常用的磁场定向方式及电流控制策略，并给出i_d=0电流控制策略及永磁同步电机按转子磁场定向的控制方式，从而建立永磁同步电机d-q坐标系下的数学模型。

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。

It is deduced in this paper theoretically the elastic wave equation in two dimen-sional EDA media, for which numerical modeling is carried out.

中文摘要：本文从理论上推导了二维EDA介质中的弹性波动方程，并对其进行了数值模拟，获得了当坐标系旋转30°时用点源激发的三分量波场切片及用相互正交的横波震源在同一位置激发，用两个相互正交的水平检波器接收的四分量全成记录。

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。