从椭圆坐标变换和边界拟合出发，推导了椭圆几何参数的计算方法，并给出了计算机模拟检测结果。
The computing methods of ellipse geometric parameters is derived by using coordinate transformation and edge fitting, and the computer simulation result is given.
接下来，旋转和恢复这个矩阵；然后，使用translate设置与当前坐标系统的偏移量(这是从之前旋转和转换的矩阵应用的)，并绘制一个红色椭圆。
Next, rotate and store this matrix; then, offset from the current coordinate system with translate (which is applied from the previously rotated and translated matrices), and draw a red ellipse.
类似于标绘上面的世界地图，后续命令将在州渐变地图中标绘大型蓝色椭圆形，同时在图像中记录各自的像素坐标。
Similar to the plotting of the world map above, the succeeding command plots large blue ellipses on the state shaded map, while recording the respective pixel coordinates in the image.
抛物面一种有与单坐标轴平行的抛物截面和与该轴垂直的椭圆截面的平面。
A surface having parabolic sections parallel to a single coordinate axis and elliptic sections perpendicular to that axis.
填充边框所定义的椭圆的内部，该边框由一对坐标、一个宽度和一个高度指定。
Fills the interior of an ellipse defined by a bounding rectangle specified by a pair of coordinates, a width, and a height.
探讨了常见非圆弧曲线的加工方法，并以椭圆及正弦曲线为例，叙述了在使用宏指令加工过程中坐标值的数据转换及程序编制。
The way to process non-arc curves was discussed. Illustrating ellipse and sinusoid curves, the coordinate conversion and programming in the process of using macro command were stated.
本文采用柱坐标，以椭圆—阿基米德螺线包络组成解析曲线椭圆柱体的弯曲原木的数学模型。
The mathematical model of bending logs of curved elliptical cylinder is analysed with the elliptical-archimedes spiral envelope in cylindric coordinate.
分析了椭圆形建筑场馆施工点位坐标获取方法，进而阐述了智能全站仪坐标放样法在场馆中的实施方法。
The article analyses the method to obtain the coordinate of ellipse building, then sets forth the enforcement way of coordinate laying-out method with the intelligences total station instrument.
首次在射影坐标系下对亏格为3的超椭圆曲线密码体制推导了无需求逆的明确公式。
For the first time, the inversion-free explicit formulae are derived for genus 3 HECC in projective coordinate system.
绘制一个由边框(该边框由一对坐标、高度和宽度指定)定义的椭圆。
Draws an ellipse defined by a bounding rectangle specified by a pair of coordinates, a height, and a width.
在椭圆高斯光束横坐标中引入复数偏移量，将其推广为偏心椭圆高斯光束。
The generalization of an elliptical Gaussian beam is presented by introducing a complex shift in the transverse coordinates.
在直角坐标系中分别表示出了均匀带电椭圆形环在中心轴线上任意位置处的电势及电场。
In the rectangular coordinate system, we express the electric field intensity and different position electric field energy of the elliptical ring with positive electric charge in the central axis.
对亚像素边缘进行最小二乘椭圆拟合，得到更精确的亚像素椭圆中心坐标，从而可以进一步提高相机标定的精度。
The least-squares ellipse fitting method is used to the sub-pixel image edges to get more accurate sub-pixel ellipse center coordinates, and further improve the precision of camera calibration.
斜椭圆弧在原坐标系中的每个象限的轨迹并不是单调函数，因此不能按各个象限进行插补。
The diagonal ellipse arc in each quadrant of primary reference frame is not a monotonic function, so it is impossible to implement interpolation according to each quadrant.
文中分析、证明了3 -RPS并联角台机构能实现空间三维卡当运动，其三维卡当运动在空间的运动轨迹为三坐标方向的椭圆簇。
It is proved that the 3-rps pyramid mechanism also has the three-dimensional CARDAN motion and the kinematic trajectory is an ellipse cluster.
通过建立合适的双基坐标系，得出双基雷达的等距离和曲线方程是一族椭圆。
By establishing proper bistatic coordinates, a conclusion is obtained that equidistance curves of bistatic radar are a series of ellipses.
总结了谱方法椭圆问题与双曲问题中的研究进展 ；论述了球面坐标和极坐标下的谱方法 ；
The development of spectral method on elliptical and hyperbolic problems is summarized, and spectral method under sphere coordinates and polar coordinates is touched too.
详细推导了在极坐标系下的谱元方法的具体计算公式，求解了极坐标系下的简单椭圆型二阶偏微分方程；
The formulas of the spectral element method in polar coordinate are induced and described in detail. Spectral element method is a high-order weighted residual technique.
在直角坐标系中分别表示出了均匀带电椭圆形环在中心轴线上任意位置处的电势及电场。
The new solution of an electric potential and an electric field distributions for a charged electric conduct ring.
在直角坐标系中分别表示出了均匀带电椭圆形环在中心轴线上任意位置处的电势及电场。
The new solution of an electric potential and an electric field distributions for a charged electric conduct ring.
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