查询词典 homogeneous coordinates

A two-dimensional phase change heat transfer model was established in the polar coordinates and cylindrical coordinates by enthalpy approach.

本论文针对相变蓄热的问题，通过引用焓法建立了平面极坐标与二维柱坐标下数值求解相变传热问题的数学模型。

Including import Germany DECKEL CNC tool grinder, SODICK walking CNC wire EDM, CNC boring machine coordinates, CNC machining centers, CNC lathes, CNC curve grinding machine, CNC milling machine, with forging, welding, heat treatment capacity, detector has a coordinate, import five coordinates Germany ZOLLER tool detector, such as precision testing equipment.

包括进口德国DECKEL数控刀具磨床、SODICK数控慢走丝线切割机、数控座标镗床、数控加工中心、数控车床、数控曲线磨床、数控铣床，具有锻造、焊接、热处理能力、拥有三座标检测仪、进口德国ZOLLER五坐标刀具检测仪等精检测设备。

By transforming the equation in phase coordinates to the equation in symmetrical components coordinates, dividing circulator nodes and non circulator nodes, and optimizing the diagonal matrices calculation, the method is developed and found to have higher calculation efficiency.

利用统一的变换公式，只需改变变换矩阵，就可以处理各种简单故障和复杂故障。同时给出了对应于常见故障的变换矩阵，并与断线故障处理方法配合，可以完成任意故障的处理。

Use is made of the elliptic coordinates for the ease of treating ellipse shaped boundary, while the analytical results for the components in the Cartesian coordinates are provided for convenience of application.

分析引入椭圆坐标，以助于处理问题的边界条件，并最终给出直角坐标下各分量的对应结果，以便于实际应用。

Camera parameters according to the correspondence of feature points both in the image coordinates and the world coordinates with the camera calibration technology was firstly caculated. Then the main position of light source was gotten from the two erectness object and their shadows. Finally, the illumination effect of the virtual object in the light source with the position of virtual object and camera parameter was computed.

首先利用球场的特征点在图像坐标系与世界坐标系上的匹配关系计算出真实摄像机的参数；根据摄像机参数和场景中已有的物体及它们的阴影坐标来恢复主光源；并计算出虚拟物体在所求光源下光照效果的过程。

By the procedure, we first use the cosine values of the angle between view vector and normal vector on each vertex as the texture coordinates, through calculation of the dot product of the two vectors. The derivative of radial curvature on the model surface is used as the second pass texture mapping coordinates, by a calculation using Euler formula.

该方法首先通过模型顶点的视线向量和法线向量的点乘积计算其夹角的余弦值，作为第一步的纹理坐标进行映射；再通过欧拉公式计算径向曲率及其方向导数值，作为第二步映射的纹理坐标。

Gamma-corrected RGB coordinates are referred to as R'G'B' space, and the luma value Y' is derived from these coordinates.

经过 Gamma 校正后的 RGB 坐标被称为 R'G'B 空间，其中亮度值 Y 可以从这些座标中提取出来。

Taking generalized coordinates for variables, the differential equations of multiple elastic particles are decomposed into the differential equations in the independent form by introducing generalized coordinates .

通过广义坐标的引入，将多质点弹性体系的运动微分方程分解成以广义坐标为变量的独立微分方程形式。

It is important that the longitude and latitude that you supply are geographic coordinates, not geocentric coordinates.

你需要提供的是地理坐标而不是地心坐标，这个很重要。

Automatically according to input data to choose the minimum value of the largest longitudinal coordinates, according to the time the largest choice of horizontal coordinates of the minimum value.

详细说明：自动根据输入数据的最大最小值选择纵向坐标，根据时间最大最小值选择横向坐标。

Liapunov—Schmidt method is one of the most important method in the bifurcation theory.

Liapunov—Schmidt方法是分叉理论的最重要方法之一。

Be courteous -- even when people are most discourteous to you .

要有礼貌──即使当別人对你最不礼貌的时候。