That would be given by a vector field that points toward the origin and whose magnitude is inversely proportional to the square of a distance from the origin.
力场由一个指向原点的向量场给出，并且此向量场的大小，与其到原点的距离的平方成反比。
For the proxy overlay, we choose to distribute and maintain the cost information using the distance vector protocol.
对于代理覆盖，我们选择采用距离向量协议来分发和维护代价信息。
Construct the skeleton tree′s adjacency matrix, then define a Topology Signature Vector and compute the distance of matching node pair by the difference of the TSV.
构造骨架树邻接矩阵并给出拓扑标记向量的定义，用拓扑标记向量之差的二范数作为两个骨架树匹配节点对的距离；
This paper explores into the distance formula between median point, orthocenter, circumcenter and inner point of triangle by means of two related formulas of vector methods.
应用两个向量法相关公式探讨了三角形重心、垂心、外心以及内心之间的距离公式。
Using the subimage of an unknown target as feature vector and minimum distance rule for target recognition, experiments on simulated data are done.
对未知目标，以其子像对库矢量的欧氏距离最小为分类准则，进行了识别模拟实验。
Using statistical methods to calculate the Angle interval mean and variance of pixels to centroid distance of the normalized gait silhouette images, and construct them as a feature vector.
用统计学的方法，等角度间隔地计算归一化步态轮廓图像各像素点至质心距离的均值与方差，并用其构造步态识别的特征向量。
Float vector based image feature has high dimension and usually makes use of Euclidean distance as its similarity definition.
浮点矢量图像特征维数较高，且通常以欧氏距离作为矢量之间的相似度定义。
For example, it costs more for storage and the distance computation is quite complex. With the number of images grows, it will be unsuitable for vector based image feature to stay in memory.
当图像数量增长到一定数量后，基于浮点矢量形式表示的图像特征就不适合放置在内存中，欧氏距离的计算也将造成较大的时间开销。
The distance vector routing (DVR) algorithm for routing choice and count-to-infinity problem in itself is introduced first.
首先介绍了用于路由选择的DVR(距离矢量路由)算法及其存在的无穷计算问题。
The azimuth can be determined by fixing two GPS in a certain distance along the longitudinal vector and making a carrier phase double difference between them.
如果沿载体纵向相距一定距离放置两个GPS天线，则在载体上两个天线载波相位之间求差可确定载体的方位。
The distance of the uniform color space is used as the distortion measure, and the codebook of vector quantization is used to set the color table register, which shows good results.
以均匀颜色空间的距离作失真测度，以矢量量化的码书设置颜色寄存的颜色值。实验证明，效果令人满意。
Then the quantitative relationship between density of the alcohols and their molecular distance edge vector(VMDE) is approached.
进而探讨了脂肪醇同分异构体的密度与其分子距边矢量的定量关系。
Absrtact: The distance vector routing (DVR) algorithm for muting choice and count - to - infinity problem in itself is introduced first.
摘要：首先介绍了用于路由选择的DVR(距离矢量路由)算法及其存在的无穷计算问题。
RIP protocol is routing protocol which is based on distance vector. It is suitable for small networks because of its simple and consuming a little system resources.
RIP协议是基于距离向量的路由协议，由于其操作简便，系统资源消耗小，适合应用于小型网络。
The thesis describes some solutions for the slow convergence (count to infinite) problem in Vector-Distance algorithm in TCP/IP and points some shortages of them.
论述了TCP/IP网络中距离向量（V D）算法中的慢收敛问题，以及一些解决方法的不足。
Ad hoc on demand distance vector routing protocol named AODV is a reactive routing protocol, and it has been widely used.
按需式距离矢量路由协议AODV是一种反应式的路由协议，并已经得到了广泛的应用。
The nonlinear relation between light travel distance and measured displacement is (deduced) by vector coordinate transforms, and their analytic and numerical results are given.
应用矢量坐标变换的方法理论推导了在大量程范围内测量位移与光程差的非线性关系，给出了解析解与数值解。
Evolutions of the mean square radius of gyration, the mean square end-to-end distance and the autocorrelation function of the end-to-end vector are simulated.
通过计算，研究了单链高分子的均方回转半径、均方末端距以及末端距向量自相关函数随时间的演化过程。
Assessment method using the distance-sensitive feature selection on the feature set, and then enters the sensitive features of support vector machine classification.
然后采用距离评估方法对特征集挑选敏感特征，将敏感特征输入支持向量机进行分类。
The distance function is used for similarity measure of image feature vector and realizes the matching of feature vector.
用距离函数对图像的特征向量进行相似性度量，从而实现SIFT特征向量的匹配。
Motion vector is obtained by halfway-stop technique and search pattern which is confirmed by the search distance.
该算法根据给定的搜索距确定相应的搜索模式，使用中途停止技术快速的给出运动矢量。
Motion vector is obtained by halfway-stop technique and search pattern which is confirmed by the search distance.
该算法根据给定的搜索距确定相应的搜索模式，使用中途停止技术快速的给出运动矢量。
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