同时解决了曲面法矢垂直于回转平面时刀轴矢量难以确定的关键问题。
Also, a solution is offered to solve the problem of generating tool axis vector when the surface normal ts perpendicular to rotary plane.
将扫描体与复杂曲面法矢的求交问题,转化为三角网格与有向线段之间的求交计算。
The intersection of sweep volume with complicated surface normal is transformed into computation of intersection between triangular mesh and directed line segment.
本文分析了手模型及其虚拟环境下物体的操作方法,提出了点接触平面法矢的手握持抓取方法。
This paper analyzes hand operating method based on the analysis of hand structure under virtual environment.
采用累加弦长三次样条参数曲线,先求出离散点处两个方向的切矢,进而求解出该离散点的法矢。
This paper presented the solution of normal vector by using the method of the accumulative hypotenuse trispline curve.
首先对获得的散乱数据点云进行多边形化,然后根据数据点局部表示对每点的法矢和曲率进行估算。
In this paper, we first polygonize the scattered data points, then estimate the normal vector and curvature of each point using the local presentation of data points.
提出用控制自由曲面形状的数据点透视投影和曲面在数据点处的法矢进行自由曲面造型的新思想。
The results of planar parameters estimation are not accurate by traditional plane fitting methods to point clouds, because the gross error and outliers are not considered.
采用曲面的表面法矢建立了毛坯的几何模型,结合扫描体代数方程,实现了加工仿真和NC代码验证算法。
Surface normal vector technique is used to setup geometry models for blanks. Combined it with s AE, we implement algorithm for NC machining simulation and Verification.
在不需要重建曲面模型的情况下,找到每一个数据点的法矢,在该法矢方向上补偿一个球头半径实现了测头半径的三维补偿。
The normal vector of each data point is calculated without reconstructing surface, and then realizing radius compensation with probe radius by going along normal vector.
利用Z高度法效率高的优点,判断采样点是否超差;利用矢量分割法检测结果可靠性高的优点,求解沿着设计曲面的法矢方向以及采样点到刀具扫略体的距离(切削误差)。
By making use of Z depth efficiency in error judgement of sampling point and utilizing reliability of vector partition, it can define the cutting error on real time.
本文提出的网络模矢法是将网络分析法与模矢探索技术结合起来的方法。
The NAPS method presented in this paper is a method combining a network analysis with a pattern search technology.
精密导线法分为边角导线法和弦矢导线法,是监测水库拱坝水平位移的重要方法。
The method of precision lead is one of the efficient ways to survey the horizontal displacement in a reservoir's arch dam.
结论改良法建立的大鼠可逆性上矢状窦血栓模型成功率高、稳定和重复性好。
Conclusion the rat model of reversible SSST established by the modified method has higher successful rate, and the model stability and reproducibility are good.
本文利用第二类尖劈并矢格林函数对任意夹角的V形缝隙天线进行了矩量法计算。
The V-slot antennas with arbitrary included angles are analyzed by moment method and by using dyadic Green's function of wedges of second kind.
本文用镜像法推导出加载矩形波导中的并矢格林函数。
This paper presents a method to derive the dyadic Green's function of a loaded rectangular waveguide by image method.
本文研究了聚变装置真空室上的涡流问题,将真空室上的涡流看作面电流密度并定义一矢势的法向分量来描述它。
This paper deals with the eddy currents on the vacuum vessel of fusion devices. The eddy currents on the vessel are considered as surface currents and described by the normal components of a vector.
基于叶尖定时测振原理,对利用速矢端迹法分析叶片同步共振幅值的方法做理论推导,建立叶片同步共振的分析模型并进行仿真。
Theoretical derivation is done to the analyzing method of synchronous blade vibration by using speed-vector-end-tracking method, and so is the computer simulation to measurement process.
借助并矢分析,分别采用加权余量法和变分法,推导出了三维非线性各向异性静磁场的矢量位有限元方程的一般计算公式。
The 3d finite element vector potential equations of non-linear anisotropic magnetostatic field have been derived in a pithy style by dyadic analysis.
借助并矢分析,分别采用加权余量法和变分法,推导出了三维非线性各向异性静磁场的矢量位有限元方程的一般计算公式。
The 3d finite element vector potential equations of non-linear anisotropic magnetostatic field have been derived in a pithy style by dyadic analysis.
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