如果物体通过几何变换而被放置在世界坐标系中，比如通过平移和旋转，那么视图跟踪他在世界坐标系中位置变换的轨迹可能会是一个艰难的工作。
If the object is positioned in the world through geometric transformations, such as translations and rotations, then keeping track of its position in world coordinates can be a hard task.
从理论上讲，通过坐标轴旋转将二次方程化简为规范形式，从而讨论其曲线的形状，这已是讨论得相当明了的课题。
Theoretically speaking, it is a rather-clearly discussed subject to standardize the quadratic equation into the normal forms by spinning the coordinate axis so as to approach the shapes of its curves.
运动通过平移，旋转，以及每一个移动对象的局部坐标系统的非一致缩放来实现。
Motion is specified by translations, rotations, and nonuniform scalings of the local coordinate system of each moving object.
通过将对数极坐标和傅立叶变换结合，完成旋转不变的傅立叶纹理特征提取。
In this paper, we incorporate Fourier transform with Log-Polar transform to achieve rotation invariant texture analysis.
通过实例说明在数控加工中，通过工件坐标系旋转加工圆锥面上孔的方法。
Explains the application of workpiece coordinate system rotation in machine hole on the cone surface by machining a practicable manufactured product.
通过对坐标系的平移和旋转变换，实现传感器的纠偏，给出了纠偏公式。
At the mean time sensors' correction had realized by coordinates' movement and rotation, and a correcting formula was given as well.
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.
该方法在比赛区域建立二维平面坐标系，将整个航程划分若干区段，通过坐标轴旋转和平移得到各区段的虚拟坐标系。
A two-dimensional model for sailing was used to divide the voyage into several sections and obtain a corresponding coordinate system by a circumvolving and shifting operation.
根据双通道控制旋转导弹的特点，通过旋转变换，将弹体坐标系下的自动驾驶仪回路变换到准弹体坐标系下，并比较了与倾斜稳定导弹标准自动驾驶仪的区别。
Based on the characteristics of rolling missile with double-channel control, the autopilot loop is transferred from body coordinate system to quasi-body coordinate system after a rolling transfer.
通过选择磁场同步旋转坐标系下定子电流和永磁体磁链为状态变量，构建估算转子永磁体磁链幅值和方向的卡尔曼滤波器。
To estimate flux magnitude and direction, a Kalman filter is built by using stator current and PM flux as state variables under magnetic field oriented coordinate.
通过算例证明，该算法用于旋转结构的有限元网格自动生成，其坐标计算精度和效率均很高。
Certification is made though calculation example that utilizing this algorithm on the automatic generation of finite element mesh of rotative structure we will get very high maculation ac...
该方法通过保持机器人连杆三到机器人基坐标系的旋转矩阵恒定来直接获得世界坐标，简化复杂的手眼标定和相机标定。
The method is keeping the rotation array between robot's connecting-rod 3 and robot reference coordinate constant, which can simplify the complicated hand-eye calibration and camera calibration.
该方法通过保持机器人连杆三到机器人基坐标系的旋转矩阵恒定来直接获得世界坐标，简化复杂的手眼标定和相机标定。
The method is keeping the rotation array between robot's connecting-rod 3 and robot reference coordinate constant, which can simplify the complicated hand-eye calibration and camera calibration.
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