根据二维转台的结构特点，建立了它的空间坐标系。
Space coordinate system is built according to the structural features of the high-accuracy 2d turntable.
每一个点产生一个特征向量来描述关于其尺度空间坐标系的局部区域采样。
Each point is used to generate a feature vector that describes the local image region sampled relative to its scale-space coordinate frame.
现在我们已经有了照相机，但是还要将3D空间影射到把三维空间坐标系转换到二维屏幕坐标系的“视口”上。
Now that we have the camera, we must map 3D space to a 'viewport' which handles the translation of coordinates from 3D space to the 2D screen.
本文采用单摄像机与3-D示教器（由四个LED构成）组成的仿真三维视觉传感装置来完成空间坐标系中物体的空间位置和姿态的测量。
In this paper, a TV camera and a 3-D teaching device with four LEDs attached to measured Point on the object are employed to acquire the 3-D information of the measured point.
提出了一种基于虚拟左、右像片像空间坐标系的二维直接定位法，可快速提取工业测量系统两台经纬仪之间的相对定位元素并完成相对定位。
The relative location element between two theodolites in the industrial measuring system (IMS) can be picked up rapidly and the relative location can be completed by the method.
例如，当我们徒步走在空旷的乡村上的时候，我们发现使用地理方位非常有用。但是当我们描述小规模的空间时，我们完全以自己为中心的坐标系进行交流。
We find it useful to use geographic directions when hiking in the open countryside, for example, but the egocentric coordinates completely dominate our speech when we describe small-scale spaces.
在第五章和第六章中，对双臂空间机器人系统在惯性坐标系内进行轨迹跟踪控制问题进行研究。
In the fifth and sixth chapter, trajectory tracking control in inertia space of the dual-arm space robot system is studied.
视向量能够在全局坐标系中通过视点坐标减去表面坐标来创建，并且要把结果转换到切线空间中。
The eye vector can be created in global coordinates by subtracting a surface position from the eye position and transforming the resulting vector into tangent space.
空间仿射坐标系的平行投影问题在计算机图形识别、跟踪目标及三维实体重建中具有重要意义。
Parallel projection of the affine coordinate system has a significant impact on computer graphics recognition, object's tracking or solid model reconstruction.
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.
给出了具有线性分母的有理三次样条函数的误差估计，并在柱面坐标系下对一类空间闭曲线的插值问题进行了研究；
The error estimation of rational cubic spline with linear denominators is given, and then the interpolation of a kind of space closed curves under cylindrical coordinate system is investigated.
文章通过建立各中间坐标系，用齐次矩阵方法详细论述了两种典型5轴数控机床空间运动算法。
In this paper, the spatial kinematics algorithms of two typical 5-axis NC machines have been proposed with the foundation of intermediate coordinate systems and the homogeneous matrix.
空间直角坐标系的三个轴互相垂直。
The three axes of the coordinate system of right Angle of the space are vertical.
并应用这两种方法针对视线坐标系的两空间飞行器在目标机动下的追逃进行了理论推导和实验仿真。
Theory analysis and experimental simulations of pursuit-evasion problem with maneuvering target in sight coordinate system are performed using the two methods.
应用一种新的随动坐标系转换方法，给出用于转换生物组织中光子空间传输坐标的矩阵方程。
A new transformation method for follow-up coordinate system is used and a matrix equation for transforming spatial transporting coordinate of scattering photons is given.
本文指出，图形识别实质上是图形空间中的表象变换（坐标系变换）。
In this article, it has been pointed out that the pattern recognition is the representation transformation in pattern space.
在常用坐标系下，推导了空间运动的数学模型，设计了方案飞行弹道。
Under the usual coordinates, the paper conclude mathematical model in space motion and design project ballistic trajectory.
提出了运用向量法建立空间局部坐标系与整体坐标系的转换关系，从而使趾板坐标计算简捷方便，且易于设计修改。
It is suggested that transformation relation between spatial local coordinate system and integral coordinate system be established by vector method, which simplifies coordinate calculation of to.
分析和计算的空间问题，一般可采用两类坐标系：笛卡儿直角坐标系和极坐标系。
There are two kinds of coordinates, Cartesian coordinates and polar coordinates, with which spatial issues are analyzed and calculated.
建立了柱面坐标系下分层弹性半空间地基土模型。
The elastic layered half-space soil model is established in the cylindrical coordinates.
提出了将谱元方法应用到极坐标系下，利用极坐标系下的谱元方法求解环形空间内自然对流问题。
The computation of natural convection in the annulus between horizontal concentric cylinders using spectral element method in polar coordinates is presented in this paper.
坐标系是部件空间位置的替代定义，对于检查器来说，该替代定义比部件空间位置的真实坐标更为方便。
Coordinate System is an alternate definition of a part's position in space that is more convenient for the inspector than its true coordinates.
基于时空坐标转换理论而研制的时栅位移传感器实现了以时间测量空间，但关键是要构建一个以恒速V运动的坐标系。
Time grating displacement sensor is working on theory of time-space coordinate transformation, which need constitute a moving coordinate with constant velocity V.
通过坐标系的变换和引入辅助向量获得了解析的捕获域和截获时间，并在三维空间内对这种追踪导引过程进行了仿真验算。
In this paper, however, the capture set and time of interception are obtained analytically by coordinating transformation and exploiting of accessorial vector.
根据螺杆钻具转子加工时与铣刀的相对位置，建立空间螺旋齿面坐标系和铣刀坐标系。
According to the relative position of the rotor of the screw motor and the milling cutter, the coordinates of the helical tooth form and the cutter are-established.
空间仿射坐标系的平行投影问题在计算机图形识别、跟踪目标及三维实体重建中具有重要意义。
Parallel projection of the affine coordinate system has a significant impact on computer graphics recognition, objects tracking or solid model reconstruction.
计算空间直线在两摄像机坐标系中的位置信息，得出两摄像机间的旋转矩阵。
By calculating spatial beeline coordinate information in the two camera coordinate systems, the rotation matrix between two cameras could be obtained.
深入研究了近钻头空间姿态测量系统的结构、原理及安装等问题。对比分析了两种坐标系下测量和计算井眼轨迹参数的优缺点。
An intensively research on the structure, installation and working mechanism of the bit attitudes surveying system is given in this paper.
根据不同类型的矢量球波函数，建立无源各向同性球层内以及自由空间内的电磁场在球坐标系下的级数表达式。
In source-free plasma anisotropic medium, the electromagnetic fields can be expressed as integral of the first and the second spherical vector wave functions.
根据不同类型的矢量球波函数，建立无源各向同性球层内以及自由空间内的电磁场在球坐标系下的级数表达式。
In source-free plasma anisotropic medium, the electromagnetic fields can be expressed as integral of the first and the second spherical vector wave functions.
应用推荐