坐标方向

其运行效率高于用几何模型法向量与刀具扫掠体求交的方法，验证精度大于用Z坐标方向矢量与刀具扫掠体求交的算法。

This algorithm has higher efficient than the method which uses tool path envelope intersection with normal vector of surface of geometry model and has higher verification precise than the method that uses tool path envelope intersection with z direction vectors .

对于特定螺杆构型，不同螺杆转速和喂料速率下的RVD曲线仅是体积坐标方向的平移，RVD曲线形状主要取决于螺杆构型。

RVD shifted along the volume coordinate at different screw speeds or feed rates indicating that the shape of RVD was mainly dependent on the screw configuration .

这种方法是通过球面的几何关系，由检测到的x和y坐标方向的位置数据计算出z坐标方向的数据，并根据旋量理论建立球电机运动的旋转矩阵和计算出旋转矩阵的旋转角度。

The approach is to solve z-axis coordinate according to the sensed x-axis and y-axis coordinate data , as well as the spherical geometry relationship analysis , the orientation matrix describing the spherical motor motion can be given and solved based on the screw theory .

简要评述了SADI方法和样条方法在每一坐标方向的分步计算方法、截断误差和稳定性。

SADI method and a spline method of fractional steps in each coordinate direction as well as truncation errors and its stability are briefly reviewed .

文中讨论了三维Dirichlet问题的增量未知元方法的先验估计，这种估计是在三个坐标方向上的部分具有相同的非一致性的特殊情形下得到的。

The present paper studies a priori estimates of incremental unknowns methods for Dirichlet problems with space dimensions three . One gets the estimates on a class of special nonuniform meshes which are the same in the three coordinate directions .

DQM是一种直接的数值方法，它将某坐标方向上的微分算子用一系列离散点的函数值加权逼近，将偏微分方程化为常微分方程求解。

DQM is a direct numerical technique , based on representing a derivative operator by the function values at discrete points , so the partial differential equations are reduced to the ordinary differential equations .

按照声发射Kaiser效应测地应力的基本原理，提出了沉积岩层非定向钻孔岩芯坐标方向建立的方法和多方向取样及地应力椭球回归分析的声发射Kaiser效应地应力测试方法。

The method of building up the coordinate direction of non-directional drilling cores in sediment strata is proposed . Based on the principle of in-situ stress measurement by the Kaiser effect of acoustic emission , the multidirectional sampling and the ellipsoid regression analysis of in-situ stresses are made .

第六章对涉及多个坐标方向的对偶向量的构造、对偶方程组及相应的变分原理的建立进行研究。

In chapter 6 constructing dual vectors involved in multi-directions of coordinates , establishing dual equations and corresponding variational principles are researched .

本文还讨论了在某个坐标方向误差最小的情况下的最优构形问题。

Also , the problem of how the optimum configuration is decided when there is a minimum error in a certain direction is discussed .

该解具有分离变量形式，在坐标方向是正交完备的雅可比多项式级数。

The solution formed with separated variables is expressed in terms of an orthogonal . complete series of Jacobi polynomials in the coordinate φ .

运用数学理论知识证明基于极坐标方向寻优的进化策略算法的收敛性。

The evolution strategy algorithm based on the selected direction by the polar coordinates is astringent , which is proved by mathematics theory knowledge .

由于两个图象平面的分辨率总是有限的，就会使获得的位置信息有误差。本文推导了空间点位置在三个坐标方向上的误差概率分布。

This paper deals with the probability distributions of the error , due to the limited resolution of the camera , in each of he coordinate directions .

本论文提出了以三个坐标方向上分别使用激光干涉仪进行位移检测、并配用三维传感器式精密测头的三坐标测量系统。

In this thesis , a CMM with three interferometers used for X , Y , and Z direction displacement measurements and a 3-dimensional inductive analog probe is designed .

将对偶求解体系推广到多坐标方向，建立多坐标方向的对偶微分方程和求解体系。

( iii ) The dual systematic methodology is generalized to multi-directions of coordinates , i.e. , the dual differential equation and its solution system are established for multi-directions of coordinates ;

另外，为了减小得到的耦合滤波器的计算量，实现各坐标方向独立滤波，便于分析滤波器性能，本文进一步推导得到其解耦算法。

To reduce the workload of coupled filter , make it independent in each direction , the paper studies and gets it 's decoupled algorithm which can analyse the filter 's performance more conveniently .

提出基于极坐标方向寻优的进化策略算法，论述其理论基础、实现方法，并与传统进化策略进行实例仿真对比。

We propose the evolution strategy algorithm based on the selected direction by the polar coordinates . We elaborate its rationale and its implementation method , and contrasts with the traditional evolution strategy by the example simulation .

几何方程推导时考虑了变形前后曲面的变化所引起的坐标方向单位矢量的变化；精确计算了坐标方向上线段的伸长比及壳体内任一点的非线性应变和位移关系。

In derivation of the geometrical equations , the variations of deformed curve surface resulting in the direction change of basis vectors are considered , and the elongation ratio of line segment in basis vectors and the nonlinear strain and displacement relations in any point of the shell are obtained .

利用GPS精确测定的摄影机坐标和方向

Determination of coordinates and direction of camera in photogrammetry with GPS

如果一个机器人从格网边缘跌落，则应在输出坐标和方向之后输出“LOST”。

If a robot falls off the edge of the grid the word " LOST " should be printed after the position and orientation .

运用旋转变换解决了测线与坐标轴方向不一致的问题，用viterbi算法完成了同向轴的自动拾取，结果令人满意，为波动方程叠前深度偏移预处理提供了两种有效可行的方法。

This paper deals with the variance between the seismic line and the coordinate orientation by rotation transform and realizes the auto pickup of events by Viterbi algorithm , obtaining satisfactory results . These two methods are feasible to preprocessing of prestack depth migration of wave equation .

沿参考坐标系方向的圆锥运动是一种新的更为普遍的测试输入。

Coning motion in reference frame is a new and more universal test input for attitude algorithm .

最简单的模型尺寸调整是沿着某个方向（典型的是坐标轴方向）全局均匀放缩模型。

The simplest approach to resize a geometric model is to globally scale the mesh along some directions ( typical axes of the coordinate system ) .

其次通过分析坐标轴方向的应力，得出了橡胶在水射流作用下应变坑周围的应力状态分布规律。

Secondly , through the analysis of stress of axis direction , gets the law of stress distribution of rubber strain under water jet impact round the pit was obtained .

分别选择切削速度、进给速度和背吃刀量为三个因素，每个因素各取四个水平，建立了三因素四水平正交表，对其沿三个坐标轴方向的磨削力进行测量。

Cutting speed , feed rate and cutting depth of three factors , each of the four levels of each four-level orthogonal three factors , its three directions grinding force were measured and the fractal dimension of force calculated .

阐述了利用Pro/TOOLKIT提供的相关库函数通过访问Pro/E的单一数据库，以特征为单位对零件各组成特征的体素类型、形体尺寸、基点坐标、方向矢量等信息进行提取的方法。

Taking character as the unit , through accessing Pro / E single database using corresponding functions of Pro / TOOLKIT , the extracting method of such part composing features information as body type , form dimensions , base point coordinates and direction vector was explained .

总之，本文通过某些关键点对二人进行并置研究，试图能够深入发掘某些单独研究可能被遮蔽的潜在命题，并试图为中国近现代思想、诗学研究确立较为确定的坐标与方向。

In summary , this article tries to make a juxtapositional study through some strategic points , aims to dig out some potential proposition hidden under some individual study and also attempts to set a fix coordinate and direction for the study of modern thought and poetry .

为讨论问题方便起见，假设地层模型沿坐标轴Y方向没有起伏，但沿X、Z方向可以任意分布。

For convenience ' sake , suppose there isn 't any variation on surface model along the coordinate axis in Y direction but it can , arbitrarily , be distributed in X , Z directions .

三维坐标下任意方向的投影变换及反投影重建方法

A Projection Transformation for any Direction in 3-D Coordinates and the Back-Projection Reconstruction Method

使用了栅格化地图和给地图坐标点添加方向的方法。

Use of the grid of map and the methods of adding direction on the map coordinates .

化学位移张量也可以利用其主轴分量及主轴与晶体坐标系的方向余弦来表示。

The orientation of chemical shielding tensor can be expressed with direction cosines of its principal axis system .