metric function

英 [ˈmetrɪk ˈfʌŋkʃn]

美 [ˈmetrɪk ˈfʌŋkʃn]

网络  度量函数

网络

英英释义

noun

• a function of a topological space that gives, for any two points in the space, a value equal to the distance between them
  Synonym:metric

双语例句

• In order to enhance the robustness of the clustering algorithm, fitness function is devised by Gaussian kernel metric replacing the Euclidean distance. The robustness of the clustering algorithm is analyzed using the influence function of M-estimator.
  为了增强聚类算法的鲁棒性，采用高斯核距离替换欧氏距离设计适应度函数，利用M-估计的影响函数分析了聚类算法的鲁棒性。
• The aim of this study is to derive a well-performed image color difference metric, which can accurately simulates the sensitivity function of human vision system, to determine the perceived color reproduction error of complex color images.
  所以，此研究的目的乃一希望植基于人眼视觉机制，推导出得以精确应用于跨媒体复杂影像与其复制品之间的色差评估模式。
• Another metric TFR is defined and validated about its coherence and particularity in anomaly detection. Finally, the paper introduces other technologies related to anomaly detection, and discusses their supporting function to anomaly detection.
  定义了新的指标，验证了其在异常检测上与以前的指标的一致性和特殊性。本文最后介绍了与异常流量检测相关的其它技术，探讨了它们对于异常流量检测技术的辅助作用。
• This paper gives a new class of variable metric algorithm for nonlinear programing with equality and inequality constraint conditions, and proves that the algorithm in one-step superlinear convergence when the objective function and constraint functions are uniformly convex.
  对带有等式和不等式约束条件的非线性规划给出一类新的变尺度算法，并证明当目标函数和约束函数一致凸时，该算法是一步超线性收敛的。
• The conception of the covering numbers and the packing numbers and the metric entropy on a metric space were introduced, and the conception of the random distance and the random covering numbers and the random entropy on a function space were introduced.
  介绍了一般度量空间中覆盖数、包容数与度量熵的概念以及函数空间中随机距离、随机覆盖数与随机熵的概念。
• Economist and educational Economist began metric study on economic function of education after in Soviet published "Economic Meaning of National Education ( 1924)" in 1920's.
  到了20世纪20年代，苏联的斯特鲁米林发表《国民教育的经济意义》（1924）之后，经济学家和教育经济学家就开始对教育经济功能进行计量研究。
• The model based normalized cross correlation coefficient is used as the metric function, and it can distinguish moving shadows from moving objects effectively. The method can also work well without real time background maintenance.
  该方法以基于模板的归一化互相关系数作为度量函数，可以有效地检测出运动阴影和运动目标，而且不需要对背景进行实时维护。
• The article applied the method of process-result model and established a metric system based on knowledge production function.
  将结构化的过程&结果方法引入公益类科研机构绩效评价，建立了基于知识生产函数的测度体系。
• Timing metric function of improved algorithm has the sharp peak that can accurately define the location of timing synchronization.
  改进算法的定时度量函数具有尖锐相关峰值，能够准确的确定定时同步位置。
• By establishing object function, this paper uses an optimization method-the variable metric method, and accurately solves parameters of double exponential function of lightning current.
  通过建立目标函数，利用最优化方法&变度量法，较精确求出了雷电流双指数函数中的参数；