提出用复数-极坐标矢量法(简称复矢量法)来分析平面机构的运动。
A new method is proposed to analyse the motion of plane mechanism by means of complex polar coordinates vector method.
与传统图解法相比，极坐标矢量法设计空间凸轮廓线工作量减少了约5 0 %，并有利于凸轮廓线的精确数控加工。
Comparing to the traditional graphic method, the workload of new method is about 50% less than that of the graphic method and it is more suitable for the numerical controlled manufacturing.
简言之，矢量数据利用最简单的拓扑实体—点、线和多边形，并在二维笛卡尔坐标系统中固定它们来描述地理特征。
In short, vector data take the simplest topological entities — points, lines, and polygons — and anchor them within a 2-d Cartesian coordinate system to describe geographical features.
矢量数据包含由x和y坐标，经常还有 z（立面）坐标所定义的几何图形。
Vector data contains geometric shapes defined by x and y coordinates, and frequently z (elevation) coordinates.
针对三相异步电机矢量控制系统的要求，根据在静止坐标系统中异步电机的数学模型，进行了系统仿真。
The thesis introduces a three phase AC motor's mathematical model in static reference frame and a simulation system for AC motors to develop a vector control inverter system.
本文讨论多元质量数据的矢量分析方法，几何变换，坐标旋转和初始变量的主分量计算不同变量的主分量值。
This paper deals with the multivariate vector analysis of quality data by geometric transformation, rotating coordinates and computation of the principal component of initial variables.
文章通过讨论量子力学力学量算符和态矢量在动量表象和坐标表象下的形式。
This paper discusses the form of mechanical quantity operator and state vector of quantum mechanics under momentum image and coordinate image.
这种方法是利用参考基点的笛卡尔坐标和参考基矢量的笛卡尔分量描述物体的位置与姿态。
This kind of method describes the position and attitude of objects by utilizing Cartesian coordinates of reference base points and Cartesian components of reference base vector.
提出了一种面向对象的抽象电力网络拓扑的模型，并用此模型实现了用系统矢量图的坐标关系自动生成原始拓扑的方法。
An abstract object-oriented model for power network topology is built up and an automatic generation method of primary topology is introduced, which applies the model and system vector coordinates.
感应电动机矢量控制技术是通过坐标变换，实现对定子电流的励磁分量与转矩分量的解耦控制。
The technique of induction motor vector control is a way to realize the decoupling control of stator current excitation and torque variable through coordinates transform.
提出了一种基于矢量运算的新的坐标变换方法，该方法具有不需要计算转换系数矩阵、可逆的特点。
A novel reversible coordinate transform method, need not calculating the transform coefficient matrix, based on vector operation is proposed in this paper.
文章从四维矢量、物理观测的角度出发，就相互运动惯性系之间的坐标变换关系进行讨论。
From the angel of four dimensions vector and physics observation, this paper discusses the coordinate transform relationship between the relative movement inertia reference frames.
利用三维空间矢量，提出了一种新型的无需坐标变换的三相电路畸变电流检测方法。
Using three-dimensional space vectors, this paper describes a simple method for detecting the distorted current without any coordinate transformation.
提出了矢量函数积分中的坐标选择问题。
The coordinate selection in vector functional integration is raised.
本文将齐次坐标变换理论结合刀具与工件联结链矢量概念建立了加工中心误差运动综合补偿模型。
An error synthesis model for the machining centers is set up by using homogeneous coordinate transformation and tool workpiece connection vector.
在核函数的构造方面，我们提出了几种可容许的支撑矢量核，包括三种坐标变换核、子波核和尺度核函数。
On the other hand, some admissible support vector kernels are proposed, including three coordinates-transform kernels, a wavelet kernel and a scaling kernel.
应用矢量坐标变换的方法理论推导了在大量程范围内测量位移与光程差的非线性关系，给出了解析解与数值解。
The nonlinear relation between light travel distance and measured displacement is (deduced) by vector coordinate transforms, and their analytic and numerical results are given.
利用线性变换的方法，将球坐标下矢量波动方程解的形式l、M和N变换为其他多种形式。
By the method of linear transformation, the solution forms of vector wave equation in spherical coordinates, l, m and n, are transformed to the many other kinds of forms.
将图像转换为矢量图形，由计算机提取图形节点坐标形成二维点集矩阵。
The image is converted into vector and sketch node coordinate is withdrawn automatically by computer, two dimension the point gather the matrix is formed.
为进行斜齿锥齿轮副的齿面接触分析，并直观显示齿面接触区，利用圆向量函数和球向量函数的矢量回转和坐标变换方法，建立了斜齿锥齿轮齿面接触分析的数学模型；
To analyze and display the contact of skew bevel involute gears, a mathematic model was established by vector gyration and coordinate transform of circle vector functions and sphere vector functions.
通过笛卡尔琼斯矢量在坐标旋转下的变换，提出了圆琼斯矢量在坐标旋转下的变换，进而以石英为例推导出旋光率的具体表达式。
The circular Jones vector′s transformation in coordinate conversion was presented by using Cartesian Jones vector′s transformation in coordinate conversion.
应用矢量旋转公式及连杆运动约束方程，我们可以求得连杆转角及连杆曲线上点的坐标值。
With the aid of the formula for the rotation of a vector and constraint equations for the connecting rod, the rotation Angle and the coordinates of path points of the connecting rod can be obtained.
叙述了矢量控制方式，坐标变换，速度及电流控制等，通过负载试验运行结果证明了这种变频器的特点。
The article describes the vector control mode, coordinate transformation, speed and current control etc. The features above have been proved by overload experimental running.
建立了斜齿圆柱齿轮侧面及齿根面的直角坐标方程序，应用矢量法确定盘形铣刀齿刃与轮齿侧面及齿根面接触线上各点的参数值。
Parametric values on the contact lines of disc cutter blade and the side surface cogwheel, disc cutter blade and gear root surface are determined by using vector method.
在伽例略变换下，巧妙利用零矢量，给出了任意正交曲线坐标系中质点速度和加速度的矩阵表式方法。
Under Galilean transformations, expressions of Veloeities and accelerations in vertical curve Coordinates are derived by the ingenious use of Zero Vector and means of matrix.
异步电机矢量控制技术是通过坐标变换，实现对定子电流的励磁分量与转矩分量的解耦控制。
The technique of induction motor vector control is a way to realize the decoupling control of stator current excitation and torque variable using coordinates transform.
建立了三相异步电动机在旋转坐标系下的数学模型，论述了空间矢量脉宽调制技术原理。
The mathematical model of three-phase asynchronous motor in rotating coordinate system is established, and PWM technology of space vector is discussed.
该方法仅需4对消隐点象面坐标便可线性求解出旋转矩阵，再用2个空间点坐标便可线性求解出平移矢量。
The rotation matrix can be linearly acquired by using only 4 vanishing points and the translation vector can be linearly solved by using only 2 spatial point objects.
作者在该文中从世界空间的四维坐标和四维波矢量出发，证明了电磁波的相位不变性。
This article, on the basis of four dimensional coordinates and four dimensional wave vectors of world space, proves the phrase constancy of electromagnetic waves.
作者在该文中从世界空间的四维坐标和四维波矢量出发，证明了电磁波的相位不变性。
This article, on the basis of four dimensional coordinates and four dimensional wave vectors of world space, proves the phrase constancy of electromagnetic waves.
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