U-estimator

To moderate the daily worsening of traffic queuing and congestion on urban elevated off-ramps, the effect of U-turn design on vehicle delay, intersection saturation and other operation performance indices is analyzed, as is the role of U-turn design in improving the safety at intersections.

高架道路下匝道地面衔接路段及其衔接交叉口的交通设计是城市快速路交通设计的一个重要组成部分,为解决我国城市高架道路下匝道与地面道路衔接交叉口排队和拥堵日益严重的问题,分析了U-turn设计对交叉口车辆延误和饱和度等运行效益指标的影响,以及U-turn在改善交叉口交通安全性方面的作用。

Precise asymptotics in some strong limit theorems for U-statistics;

U-统计量的一些强极限定理的精确渐近性

The Convergence of Tail Probability Series on U-statistic(II);

U-统计量尾概率级数的收敛性(II)

In this paper the change-point problem about the location and scale parameters model has been discussed based on two-sample U-statistic.

文中通过引入核函数,得到U-统计量,进一步构造参数变点的统计量,利用B row n桥的性质,进行检验并分析检验量的渐近性质。

We construct two-sample U-statistic with the kernel of Mood-statistic and get the asymptotic distribution.

主要考虑基于排序集抽样的两样本刻度参数检验 ,以 Mood统计量为核 ,构造了两样本 U统计量 ,并得出相应的极限分布 ,在总体分布为均匀分布的情况下 ,讨论了此检验统计量相对于 Mood检验统计量的渐近效

Second-order Edgeworth Expansion for One-sample Studentized U-statistics;

单样本学生化U统计量的二阶Edgeworth展开

A further discussion on the exponential convergence rates of U-statistics;

U-统计量的指数收敛速度的进一步讨论

On a Exponential Inequality of U-statistics;

关于U-统计量的一个指数不等式

random variables,define a U-statistics U_n=2/(n(n-1))∑_≤j≤j≤nh(X_i,X_j),where h(x,y) is a 2-dimensional Borel measurable and symmetric kernel function.

随机变量序列,U_n是以二维Borel可测对称函数h(x,y)为核函数的U-统计量。