查询词典 geodesic parameter

Using geodesic distance to discover the intrinsic geometry of the manifold,the geodesic Gabriel graph was constructed to locate the critical local regions where the local linear discriminants would be learned.

利用测地距离表征流形的内在几何结构，由此构造测地Gabriel图确定异类数据相互靠近的局部临界区域，进而训练得到局部线性的判别器。

On the basis of the Updated Geometrical Method and Secondary Geodesic Line Method, the technique to find Geodesic Line between any two points in the curved surface is suggested.

在修正几何法和二次测地线法的基础上，解决了空间有限曲面上两点间无法做出测地线的问题。

In order to tr a nsform conveniently the direction a l a ngle of a geodesic line into the geodetic a zimuth,the solution of the meridi a n a l convergence is expressed by geodesic coordin a tes of this point.

该解式直接采用该点的测地坐标来求解子午线收敛角，从而能方便地将测地坐标系中任一大地线的方向角转换为大地方位角。

In the field, the popular methods include: using Kalman filter or Particle filter to estimate motion, estimate the optical flow, utilizing the active contour model, the active shape model and the deformable template to tracking the objects, and using the Geodesic active contour model or Geodesic active region model which based the partial difference equation method and level set frame.

在该领域常用的方法有利用Kalman滤波及粒子滤波进行运动预测，通过计算光流评价目标运动，利用活动轮廓模型，活动形状模型，可变形模板等主动形状模型方法以及测地线活动轮廓模型，测地线活动区域模型等基于偏微分方程的方法来跟踪目标运动。

By the definition of Darboux type vector and rectifying Darboux type vector ,we constructed the rectifying type developable surfaces and Darboux type developable surfaces and tangential Darboux type developable surfaces ,and study these three developable surfaces relationship with Minkowski slant helices and Minkowski conical geodesic curves. Bying applying the singularity theoerical knowledge, We give a classification of special developable surfaces under the condition of the existence of such a special curve as geodesic.

通过定义三维Minkowski空间中的达布型向量以及修正达布型向量，构造出三维Minkowski空间中的三类可展曲面，即修正型可展曲面、达布型可展曲面和切达布型可展曲面，研究Minkowski斜螺线和Minkowski锥面测地线这两种特殊曲线和这些曲面的关系，并研究Minkowski斜螺线和Minkowski锥面测地线作为这些曲面的测地线的条件下，运用奇点理论的知识，对这三种可展曲面进行奇点分类。

The frequency test scheme of this cymometer is enumerative. In this system, vibratory circuit output a time signal of strobe to acquire the frequency of the geodesic signal by count the pulse after the geodesic signal is modulated.

该频率计采用计数式测频方案，由振荡电路产生标准闸门时间信号，对被测信号整形处理后进行脉冲计数直接得到被测信号的频率值。

It is proved that any n-dimensional(n≥4)compact manifold with totally geodesic boundary which satisfies a pinching condition can be deformed to a space form with totally geodesic boundary.

证明了对于任意一个具有全测地边界的n维紧致流形(n≥4)满足一定的拼挤条件可以形变为具有全测地边界的空间形式。

By means of moving frame, some properties of ruled surfaces are obtained, including the surfaces being minimal, totally geodesic, totally developableand totally umbilical. Some equivalent conditions in which the ruled surfaces are totally developable are obtained. It is abtained that (k+1)-dimensional ruled surfaces are totally geodesic if and only if they are minimal and totally developable.

利用活动标架法研究了直纹面的一些性质，包括极小性，全可展性，全测地性和全脐性，给出了直纹面是全可展性的一组充要条件，同时得到，R(上标 n+1 下标 v)中的k+1维直纹面M是全测地的充要条件是它是极小的且全可展的。

Shen prove a short time existence theorem for manifolds with umbilical boundary. He also derived the Simons' identity for the boundary under the Ricci flow. And as a corollary, Shen show that any three-manifolds with totally geodesic boundary which admits positive Ricci curvature can be deformed to a space form with totally geodesic

而带边流形上的Ricci流的研究始于Shen，在1996年，Shen在中考虑带边三维流形上的黎曼度量的Ricci形变，证明了如果初始三维流形的黎曼度量具有正Ricci曲率和全测地边界，则此三维黎曼流形上存在着常正曲率的黎曼度量。

For any two vertices u and v of a graph G, a u-v geodesic is the shortest path between u and v. The set I consists of all vertices lying on a u-v geodesic. For SV, I is the union of all sets I for vertices u, v∈S. The geodetic number g is the minimum cardinality among the subsets S of V with I=V.

对于图G内的任意两点u和v，u-v测地线是指在u和v之间的最短路。I表示位于一条u-v测地线上所有点的集合，对于SV，I表示所有I的并，这里u，v∈S，G的测地数g是使I=V的最小点集S的基数。

But this is impossible, as long as it is engaging in a market economy, there are risks in any operation.

但是，这是不可能的，只要是搞市场经济，是有风险的任何行动。

We're on the same wavelength.

我们是同道中人。