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坐标变换

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If the solution in the wave number-frequency domain is inversely integral transformed, the integral solution in symmetry axial coordinate is obtained.

对波数频域中的解答进行积分反变换,即求得原轴对称坐标下的积分形式解。

When the formulas of the tetrahedral element are developed, triangular coordinates is used to develop the boundary integral part of outer boundary element.

其中针对四面体单元的第二、第三类边界条件采用面积坐标积分变换法详细推导了边界积分项的计算过程。

GDAL datasets have two ways of describing the relationship between raster positions (in pixel/line coordinates) and georeferenced coordinates. The first, and most commonly used is the affine transform.

GDAL dataset有两种方式去描述栅格位置和地理坐标的关系:第一种,也是最常用的一种是用仿射变换,另一种是GCPS地面控制点

Key words: current transformer; volt-ampere characteristic test; saturation curve; logarithmic coordinates; scale

为在伏安特性曲线图中体现出铁芯饱和前电流值的细微变化,试验数据的尺度变换技巧实现了特性曲线在对数坐标中的显示和打印。

To improve accuracy of detection of current direction, components of magnetizing current and torque current are transformed into two-phase stationary frame. Therefore compensating voltage vector can be decided according to the sector the current vector is locating.

为了提高电流极性检测的准确性,利用旋转轴系中的励磁电流和转矩电流分量经过坐标反变换,判断电流在两相静止轴系所处的扇区来决定需要施加的补偿电压。

As an important part of GIS platform, spatial reference system includes coordinate transformation and map projection, also named as Map projection transformation system.

GIS中的空间参照系统是GIS平台中的重要组成部分,内容包括各种坐标系统的转换和地图投影,故也称为投影变换系统。

In this paper it is given a more effective formula about the direction angle of the main plane in the plane stress state.2. To introduce the principle and method for drawing 3-D graph with the compuer and for checking up with the computer cursor,to give outline of expressions of 3-D curve,outline of cursor meterage of well depth,well deflection angle and direction angle at any section.

介绍了在实践中总结出的计算机绘制与光标检测3维图形的原理和方法,给出了3维动态图形到屏幕坐标的变换式、各测点的平滑连接方法以及描绘与检测井眼轨迹曲线的典型应用,实现了空间井眼轨迹曲线的任意旋转、投影和给出了任一井段的井深、井斜角和方位角的光标检测软件。

Use the vertex normal, transformed to camera space, as input texture coordinates.

使用变换到摄像机空间的顶点法向作为输入纹理坐标。

An analytic solution of kinematic model was obtained via Lie transformation group. It shows that the velocity of particles flow is maximum when x=0. Through locating the maximum particles velocity distributing line and taking the line as the origin line of x coordinates, the modified kinematic model could simulate the eccentric discharging well.

通过Lie变换群得到"运动模型"的解析解,发现x=0时颗粒的垂直速度达到最大值,由此在确定颗粒最大速度分布线的基础上移动坐标使该线上x值均为0,对"运动模型"进行了修正,可以反映壁面对颗粒运动的影响,所得计算结果与实验测定吻合得很好。

The transformation relations of the electrical values between the primary side and the secondary side and the nodal admittance matrix in phase coordinates are presented, which can be used to analyze the related problems of traction power supply systems of electric railways.

给出了变压器一次侧与二次侧间电气量变换关系和相坐标下的节点导纳矩阵,为进行牵引供电系统有关问题的分析计算奠定了基础。

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With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务,乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐,因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。

Closes the eye, the deep breathing, all no longer are the dreams as if......

关闭眼睛,深呼吸,一切不再是梦想,犹如。。。。。。