查询词典 statistical

Using a Cubic equation , we establish a statistical model for traffic flow.

利用三次多项式建立了交通流的统计模型。

From the statistical meaning of random load action, the cumulative distribution function and probability density function of equivalent load are developed according to the property of order statistics when load acts for many times.

从载荷作用的统计学意义出发，根据顺序统计量的性质，建立载荷多次作用时等效载荷的累积分布函数和概率密度函数。

On the basis of comparing the black-spots identification methods at home and abroad, by analyzing the accident statistical data of national road 312, the paper puts forward the accident cumulative frequency method that can find the black-spots in the road, and make some improvement considering various comprehensive traffic safety factors.

在比较国内外现有事故多发位置鉴别方法的基拙上，通过对我国312国道某路段事故交通状况和事故统计资料的分析，提出了适合此路段的事故多发位置的鉴别方法—累计频率法，并在实际应用中从综合考虑各种交通安全评价因素的角度出发，基于当量和数理统计的理论对此方法进行了改进。

In order to solve these problems encountered in the application of Artificial Intelligence in fault diagnosis of power transformer, some improved methods are presented, the main research work of this dissertation consists of the following parts: The conception of cumulative frequency in data reliability analysis is utilized to unify the results of Dissolved Gas Analysis. And with the application of the class-attribute function, the evaluation of typicality of samples and the selection of characteristic vectors of fault could be realized by integrating the technique of multivariate statistical analysis.

针对目前应用人工智能技术进行变压器绝缘故障诊断时所遇到的主要困难，本文进行了深入的研究与分析，进而提出了相应的解决方法，主要的研究工作如下：提出利用可靠性数据分析中累积频率的概念对油中溶解气体分析数据进行归一化处理；并在引入"类属函数"的概念后，结合多元统计分析技术实现了样本的典型性评价与故障特征矢量的选取。

Based on the field investigation of grouting tunnels in the mountain on the left bank of the Shuibuya Dam, a sectional statistical analysis is performed on the areal corrosion ratio of grouting tunnels at different elevations of the curtain line section and the maximal diameter of solution caves, and the corrosion characteristics of rocks in the section of impervious curtain line are obtained.

利用水布垭大坝左岸山体灌浆平硐现场的调查结果，对防渗帷幕线剖面不同高程灌浆平硐的面溶蚀率和最大溶蚀洞径进行分区统计分析，获得了防渗帷幕线剖面岩体溶蚀特性。

Head period the test checks with making public originally and integrated data comes to stand completely, execute one station to connect a test, but do not know why reason, statistic comes turn suddenly when metaphase for separate test, repair instead interior to check, only the member of Chinese ox stationmaster with lucky part gained test competence, and head period check even if ring down the curtain in the so secret declare in undertaking, and participate in the member of the test also ask because of the government, not outward bound leaks statistical information.

首期测试原本以公开测试并整合数据至全站，实行一站通测试，但是不知为何原因，统计至中期时忽然转为单独测试，并修改为内部测试，唯有部分幸运的中国牛站长会员获得了测试资格，而首期的测试就是在这样秘密的进行中宣告落幕，并且参与测试的会员也因官方要求，不向外界透露统计的信息。

First,image structure vector field is derived from source luminance orthonormal vector sets. Andusing neighbor vectors to improve the weak gradient fields produces the structure vectorfield that is needed by LIC rendering. Then, LIC convolution step-length is adjustedaccording to local curvature in the structure vector field. LIC convolution length iscalculated according to the local statistical characteristics of the texture image. Finally, thealgorithm transfers the reference image\'s color characteristics to the rendering result tomake it full of rich color like oil paintings.

该算法通过计算源图像亮度分量的切矢量产生图像的结构矢量场，并对弱矢量区域进行邻域填充处理，获得LIC绘制所需的结构矢量场；然后，根据结构矢量场的局部曲率特征调整LIC的积分步长，并根据纹理参考图像的局部统计特征，自适应地改变LIC的积分长度；最后，将颜色传输算法引入LIC绘制结果，对绘制效果颜色进行渲染。

A simplified method was proposed to deal with the boundary condition at the turbine unit for transient calculation. This method is based on the statistical analysis of turbine hill chart and the Eular equation for water turbines. According to the Eular equation, the basic geometry parameters of the turbine, such as guide vane opening a, blade outlet angle β2, the relative blade width of outletb2, the relative height of wicket gateb0 and the relative turbine exit radiusr2 are obtained through curvilinear regression of the water turbine hill charts.

为解决目前水轮机过渡过程计算中确定水轮机边界条件时通常使用的外特性法和内特性法的不足之处，结合这2种方法的优点，提出一种在水轮机过渡过程计算中处理水轮机边界条件的方法，即根据综合特性曲线的数据，利用统计分析方法和水轮机基本理论公式，计算水轮机基于内特性解析方程的基本参教，如出流角α、转轮出口安放角β、转轮出口相对宽度b2、导叶相对高度b0、转轮出口相对半径r2，在特性曲线上的规律。

In order to ensure the reliability and accuracy of theoretical analysis, we use empirical analysis on the market data. At first, we make multivariate statistical regression on the financial indicators, including the day-to-day operating conditions, the stock market performance, and single-stock risk in a fluctuation cycle. On the basis of control variables, we then examine the direct impact of governance indicators and the indirect impact (the cross-variable regression of financial and governance).

为了保证理论分析的可靠性和准确性，运用实证分析法对股票市场一个波动周期内的财务指标（包括日常经营状况、股票市场表现、单只股票风险三方面）做多元统计回归，在此基础上，以财务指标作为控制变量，研究治理指标的直接影响和间接影响（财务与治理变量交叉项的回归）。

An rule of mixed failure suggested is based on the rule of density and the statistical description of tiny damnification.

基于密度准则及微损伤的统计描述，建议了一个混合破坏准则。

I hope that this success is just the first in a long series.

我希望这只是成功的开始。

Three dimensional stresses on the interface of tire and soil, tire deflection and soil sinkage are measured.

测试轮胎——沙土界面上的三向应力、轮胎变形和沙土沉陷；建立考虑剪切应力对沙土承载特性产生影响的车轮牵引性能预测模型；分析车轮作用下土壤的纵向稳定性。