坐标变换

In this paper, a "two-molecule" model of ellipsoidal drop was established.And then the ellipsoid situation was transformed into sphere situation by coordinate transformation.By utilizing bipolar coordinates and Maxwell stress tensor, the expression of electrostatic radial and tangential forces between two drops was deduced.

通过建立水滴的"二分子"椭球模型，利用坐标变换把椭球问题转换成圆球问题，并运用双球面坐标和Maxwell应力张量理论，推导出两椭球水滴间的径向和切向电场力的表达式。

In accordance with two independent rectangular coordinate systems, this paper discusses the complete coordinate formula of the middle spiral curve, the two groups' basic relation which is different to the general one and the significant intentions for averting chain breaking, which comes from the line parameter selected to compute the right coordinate of the curve points.

从二个独立的直角坐标系出发，分析中插缓和曲线点位坐标计算的完整模式，说明中插缓和曲线有别于一般缓和曲线的两种基本关系，指出有效选用连接参数m值在准确计算中插缓和曲线完整点位坐标避免曲线断链的重要作用，结合实例阐述任意测站坐标变换技术计算中插缓和曲线点位坐标的公式和应用效果

Area coordinates and general Duffycoordinates are employed to transform the singular integrals of the Time-Domain Electric Field Integral Equation into non-singular integrals, which can be accurately and efficiently evaluated by dividing the transformed domain of integration into sub-domains.

摘要该文首先利用参数坐标和广义Duffy坐标变换将时域电场积分方程的奇异性积分转换成非奇异性积分，然后根据时间基函数的特点将该积分转换成可以快速精确计算的分区域积分。

In the process of solving this problem, we established a mathematical model of graphics coordinate transformation, using the least square method to determine the target on the properties of the geometric center of the image in the camera image plane coordinates.

在处理这个问题的过程中偶们建立了图形坐标变换的数学模型，采用最小二乘法来确定靶标上物的几何中心在相机像平面的像坐标。

In the process of solving this problem we established a mathematical model of graphics coordinate transformation, using the least square method to determine the target on the properties of the geometric center of the camera image plane of the image coordinates.

在解决这个问题的过程中我们建立了图形坐标变换的数学模型，采用最小二乘法来确定靶标上物的几何中心在相机像平面的像坐标。

In the paper, not only the principle of the algorithm is introduced in brief, but also the algorithm of CORDIC is applied to the transform of rectangular coordinate system--polar coordinates system.

在设计B 型超声诊断仪中数字扫描变换器的过程中，坐标变换和数据插补是关键的技术，本研究论述了应用在数字扫描变换器中的一种新的算法——CORDIC 算法。

After gathering GPS data from Beijing Sanjidian station, the paper made a research on transformation and rotation of coordinates. GPS data is displayed on computer appropriately and that verifies the design at the same time.

采用北京三家店车站现场采集的GPS数据，研究了实测数据与屏幕坐标数据的坐标变换，采用坐标旋转实现了地图数据的合理显示，还结合实际数据，对数字轨道地图的实现进行了实验验证。

The transforms introduced in this dissertation make it possible use eigenvalue method to investigate the generation of internal tides over finite topographies.

坐标变换将倾斜地形变换到了平底，同时也改变了强迫源强度的分布特征，使得变换之后强迫源强度的分布与原始分布有很大的不同。

In the process of designing the Digital Scan Converter of the B-mode ultrasound- tomography, there is a key technique that transforms the coordinate and interpolates the data. This research discusses a new algorithm used in the Digital Scan Converter called CORDIC.

在设计B 型超声诊断仪中数字扫描变换器的过程中，坐标变换和数据插补是关键的技术，本研究论述了应用在数字扫描变换器中的一种新的算法——CORDIC 算法。

In order to be fit for the calculation of wave transformation in harbor basin with irregular solid boundary, the governing equations and the boundary conditions of the present model are transformed by a non--orthogonal coordinate. Comparisons with the theoretical solutions indicate that the transformation is correct.

其次对上述完全型波浪绕射折射控制方程及边界条件进行非正交坐标变换，以适应存在固体边壁的港内水域波浪传播变形计算，经与理论解的验证比较，本文采用的坐标变换算法是正确的。

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。