NURBS curve equation has three kinds of the equivalence form, i. e. rational fraction, rational base function and homogeneous coordinate.
NURBS曲线方程具有三种等价形式：有理分式表示、有理基函数表示和齐次坐标表示。
An error synthesis model for the machining centers is set up by using homogeneous coordinate transformation and tool workpiece connection vector.
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。
The first work was to build an error model of target machine tool by combining the multi-body system theory and homogeneous coordinate transform.
首先结合多体系统理论和齐次坐标变换建立目标机床的误差模型；
It is shown that the 2_dimensional projective coordinate system can be constructed by homogeneous vector on the basis of the Descartes homogeneous coordinates.
在笛氏齐次坐标的基础上，采用齐次向量的方法，建立二维射影坐标系。
Using projective and perspective transformations, the mathematical model of 3d vision inspection for grid structured light is established in homogeneous coordinate system in this paper.
本文在广义坐标系中采用投影和透视变换理论建立了网条结构光三维视觉检测模型。
The error calculating method using the homogeneous coordinate transformation matrix together with forward and inverse kinematics and the corresponding error compensation strategies were proposed.
提出了利用齐次变换矩阵和正向、逆向运动学相结合的误差计算方法以及相应的误差补偿策略；
Based on the theory of homogeneous transformation and DH method in robot kinematics, the coordinate measuring model of articulated arm system is established, the system measuring space is given.
利用机器人运动学中的齐次坐标变换理论和D - H坐标描述方法建立了关节机械臂系统的坐标测量数学模型，并给出了系统测量空间。
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.
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.
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。
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