查询词典 galactic coordinate

In addition we establish a new moving coordinate system in the neighborhood of the wave front and obtain a revised eikonal equation describing the curvature effect of waves in the usual orthogonal coordinate system.

由此我们获得了二维和三维情形下靶型波的具体形式。对三维涡卷波和V-形波，我们也给出了它们的具体形式。在第四章，我们应用摄动方法，较简捷地获得了组织中心沿径向和轴向的运动规律。

"Of or relating to the coordinate system, or to any of three coordinates in it, formed by two polar coordinates in a plane and a rectangular coordinate measured perpendicularly from the plane."

"坐标系的，或者与坐标系有关的，或坐标产生三条坐柱中的任一个的，这个坐标系由一个平面上的两个极线坐标和一个平面上垂直测量的直角坐标形成。"

For example, the error for the value of X coordinate on XZ plane is the value of Z coordinate divided by the value of the distance from light source to axis.

结果发现惯例的计算方法有一误差，此误差对xz平面上的x坐标为z坐标值除以光源至转轴中心的距离。

To image plane coordinate An ipsilateral total tangent algorithm is proposed in the paper, and the algorithm is proved to be effective for solving the coordinate transformation matrix by an example.

为了解决数码相机定位问题，利用双目定位法，在确定物平面坐标系与像平面坐标系的坐标变换矩阵的基础上，提出了一种同侧共切线算法，结合算例证明了这种算法可以有效地求解此坐标变换矩阵。

This study uses the height function to track the free surface, and the body-fitted coordinate system is used to generate a coordinate surface coindent with the boundary contours in the physical plate.

为求解本研究的流动现象，除了以高度函数法追踪液面外，并以物体嵌合座标系统克服翼形的不规则形状，同时采用SIMPLE数值法来处理整个数值运算过程，并配合交替方向隐式A.D.I。

At first, preprocessing with the image pyramid and diffusion-filtering technology; then abstracting the boundary-outline information; carrying on the logarithmic coordinate transformation of the abstracted boundary-outline information to get bar chart of the logarithmic coordinate; calculating the value of Cs to get all the phase match points; calculating the value of the degree of approximation to judge the shape matching.

本发明涉及一种基于Shape Context的人脸形状匹配方法，首先采用图像金字塔及扩散滤波技术进行预处理；再利用Canny边缘检测算法和轮廓提取算法提取边界轮廓信息；对提取的边界信息进行对数极坐标变换，得到对数极坐标直方图；通过计算Cs值，获得所有相匹配点；计算相近似度值，进行形状匹配判断。

The author proposes some recommendations for bringing the primary frequency control into full play and reducing its effect on stability of coordinate control system at the same time, and also proposes a method introducing DEH primary frequency control factor into coordinate control system.

介绍了一次调频数的设置方法及对协调控制系统稳定性的影响，并且对如何在发挥一次调频作用的同时减少对协调控制系统稳定性的影响提出了建议，提出了将DEH一次调频因子引入协调控制系统的方法。

The author proposes some recommendatio for bringing the primary frequency control into full play and reducing its effect on stability of coordinate control system at the same time, and also proposes a method introducing DEH primary frequency control factor into coordinate control system.

介绍了一次调频参数的设置方法及对协调控制系统稳定性的影响，并且对如何在发挥一次调频作用的同时减少对协调控制系统稳定性的影响提出了建议，提出了将DEH一次调频因子引入协调控制系统的方法。

With the dual direction coordinate mapping method, the accurate 3 D coordinate of the measured object can be acquired.

采用文中提出的双向高度坐标校正法，可以得到精确的物面三维坐标。

Using homogeneous projective coordinate,this paper presents a researches of the dual of projective space and reveals the essence of dual fundamentals of projective space the same coordinate represents both point and plane,and there is a dual relation in the point and plane.

射影空间是对偶结构，用齐次射影坐标研究了射影空间的对偶原理，从而揭示出射影空间里互相对偶的点与平面的坐标之间的内在联系

This paper designs the communication system of radio telescope FAST.

针对500m口径球面射电望远镜FAST分布式控制系统的特点完成了其通信系统的设计。

Political sheep's step-by-step a large number of fossils unearthed in the county soil Ma Ali after rural village in the middle of sallow pelitic siltstone.

步氏和政羊化石大量出土于广河县阿力麻土乡后山村，产于灰黄色泥质粉砂岩中。