查询词典 empirical distribution function

On the problem of model parameter determination, the singularity distribution method is used to derive the expressions for numerically calculating the added mass arised from vibration of the structure under three-dimensional case; The aero-dynamic damping ratio is identified from the testing data based on the methods of empirical mode decomposition, improved random decrement and Hilbert transformation; The reduced-order spectral representation method is also deduced in this chapter based on the technique of proper orthogonal decomposition.

在模型的参数计算上，采用奇点配置法推导了三维情形下结构振动诱导流场附加质量的数值计算方法；联合采用经验模态分解、改进的随机减量法及Hilbert变换对索穹顶结构的气动阻尼进行了识别分析；推导了基于本征正交分解的降阶谱解法。

The empirical Bayes estimation for parameters of the one-side truncated distribution family with convergence rate which can close to 1 arbitrarily is investigated using NA samples and an example that satisfies the conditions of theorem is given.

运用NA样本密度函数核估计构造了一类截断型分布族参数的经验Bayes估计，建立了它的收敛速度，证明了在适当条件下该收敛速度可以任意接近于1，文中还给出了适合定理条件的例子。

Distribution region of EDZ and mechanical behaviors of rock mass are further evaluated by using damage model, and the result shows that damage variable is 0.6-0.8 for damaged zone, 0.4-0.6 for affected zone and 0.2-0.4 for slight affected zone. Finally, the slope excavation softening factor is introduced to Hoek-Brown empirical strength criterion, based on the deficiencies of using Geological Strength Index to estimate the rock mass mechanical parameter of EDZ.

对应实测开挖扰动区的分布范围和形状，可以近似确定开挖损伤区岩体的损伤值约在0.6~0.8以内，卸荷影响区岩体的损伤值约在0.4~0.6以内，轻微扰动区岩体的损伤值约在0.2~0.4以内；由此基于Hoek-Brown经验强度准则，引入开挖弱化因子，结合地质强度指标GSI，进行开挖扰动区岩体力学参数研究。

To improve the empirical performance of the Black-Scholes model, many alternative models have been proposed to address the leptokurtic feature of the asset return distribution, and the effects of volatility clustering phenomenon.

为了改进Black-Scholes模式的实证现象，许多其他的模型被建议有leptokurtic特性以及波动度聚集的现象。

In order to design an actual pile foundation it is common to collect as much as possible information concerning pile ultimate load capacity for that project from available sources, induing estimation by using some empirical formulas, thus it forms an estimation distribution.

为具体桩基工程的设计，从各渠道收集到的有关该工程的极限承载力信息，包括用各种经验式估算，构成一个估计分布，然后结合实地进行的静载荷试验资料应用Bayes理论将上述各项数据进行综合更新，最终得到一个后验的极限承载力均值及其标准差。

Many empirical researches have indicated that distributions of return of risky securities are heavy-tailed on condition of which the probability of extreme cases is much bigger than on condition of normal distribution.

在这种情况下，风险证券价格的暴涨暴跌等极端事件发生的概率将比在正态分布条件下发生的概率大得多。

The one was to conduct field studies and empirical measurements in various environmental media of the normal and the workplace fields and nearby residents to explore the concentrations and distribution for those selected chemicals, including mercury, tributyltin oxide, triphenyltin hydroside, dieldrin, DDT (the derivatives DDD and DDE is included), endrin, heptachlor, aldrin, lindane, hexachlorobenzene, benzene and epichlorohydrin.

二、完成环氧氯丙烷及苯毒性化学物质，十二厂次之运作工厂厂内及周界环境流布（依物质特性选定检测之介质及相关暴露族群）共360个检测样品之实地量测调查资料，以了解、研判其在厂内之释放来源，以及运作工厂周界可能存在之环境介质及相关暴露族群之暴露浓度含量分布，并针对相关暴露族群进行不同途径之暴露推估。

The probability grading for quantitative characters 400 large-flowered cultivars were chosed and their eighteen chief quantitative characters were tested and recorded according to the test method of morphological characters in the .The empirical distributions were determined by nonparametric test after the distribution range,mean value and variation coefficients of these characters were calculated and frequency diagrams were drawn.

数量性状分级选择代表性强的400个大菊品种，参照《菊花DUS测试指南》的形态性状测试方法，检测其18个主要的数量性状，并对性状的分布范围、平均值、变异系数进行统计计算，在此基础上，绘制了分布频次图，结合非参数检验判断性状的分布类型。

The well-known empirical e-lgσ' relation is introduced into the study on one-dimensional nonlinear consolidation of one-layered soil under cyclic loadings. The corresponding consolidation equation is established with the assumptions that the decrease in permeability of soil is proportional to the decrease in compressibility during the consolidation process and that the distribution of initial effective pressure does not vary with depth.

将孔隙比e与有效应力σ'关系引入循环荷载作用下单层地基的一维非线性固结问题的研究之中，通过假定土体中的初始有效应力沿深度均匀分布和固结过程中上体渗透性的降低与压缩性的减小成正比，建立了低频循环荷载作用下单层地基的一维非线性固结问题的固结方程。

Many tree species at the same time and solve the spatial heterogeneity which empirical method could not achieve. Therefore, the assessment method could be applied in the selection of species for afforestation or species selection in the forest restoration areas.From collecting the attributes of planting species, spatial distribution data and environmental factors, we could integrate and analyze the data for further simulating the forest dynamics of forest in Taiwan. The impact of global change on forest also could be evaluated.

应用生育地因子评估树种之生态地位，能解决统计实证方法在空间异质性使用的限制，并可同时评估多种树种，因此可应用在造林树种之选择，亦可应用於崩塌地复育造林树种之选择，以及林相改良造林树种之选择，在收集更多树种属性与空间分布资料后，配合此评估方法，未来更可模拟出台湾森林之动态，以及评估环境变迁对台湾森林所造成的影响。

The father that if work,mad father, love annoys, disposition is too indrawn the be short ofing that the father of Mu Ne, resign oneself to adversity causes father easily to love is broken; Communicate time effectively between father and son, Mu Zizhi to be less than a hour on average to wait a moment every week, it is the cause that causes the child to become addiction.

如工作狂的父亲、爱愤怒的父亲、性格过于内向木讷、逆来顺受的父亲都易造成父爱的缺失；父子、母子之间的有效沟通时间每周平均小于一小时等等，都是造成孩子成瘾的原因。

These are vandal proof and they come with a locking mechanism.

这是野蛮的证据，他们来到了锁机制。