查询词典 probability density

This class of process had no close form of probability density function and finite second order moment.

与其他统计模型不同，α-稳定分布没有统一闭式的概率密度函数，其二阶及二阶以上统计量均不存在。

This class of process has no close form of probability density function and finite second order moments.

与其它统计模型不同，α稳定分布没有统一闭式的概率密度函数，其二阶及二阶以上统计量均不存在。

A two-scale k-ε turbulence model was adopted to calculate turbulent velocity field, and the probability density function method was combined with the Lagrangian flamelet model to predict the turbulent scalar fields.Detailed chemical reaction mechanism GRI-Mech 3.0 was incorporated to describe methane oxidation and nitrogen oxides formation.

采用一个双尺度的 k-ε湍流模型计算速度场，将概率密度函数方法和Lagrangian火焰面模型相结合求解标量场，燃料甲烷的氧化过程和氮氧化物的生成过程采用详细的GRI-Mech 3.0机理描述。

The laminar flamelet model in combination with joint probability density function transport equation of mixture fraction and turbulence frequency is used to simulate fluctuating behavior of radiative source term in turbulent jet diffusion flames of hydrogen.

采用κ-ε湍流模型、标量联合的概率密度函数输运方程和层流火焰面模型相结合，模拟氢气自由扩散火焰中辐射源项湍流脉动特征。给出了主燃区内辐射源项湍流脉动的频率图。辐射源项的样本点分布集中，大约95%以上的样本落在其系综的±3倍方差以内，频谱图为单峰

The application of flamelet model based on level set in premixed turbulence combustion;2. A methane turbulent non-premixed flame has been simulated numerically by the combination of laminar flamelet model and presumed probability density function.

将小火焰模型和假定的PDF方法相结合，模拟甲烷湍流射流扩散火焰，稳态火焰面结构由层流小火焰数据库得到，采用详细化学反应机理描述甲烷的氧化和NO以及碳烟的生成，数值模拟结果和实验数据吻合较好，说明小火焰模型可以较准确地计算出扩散湍流火焰中的燃烧过程。

According to the basic concept of Gamma function and Γ distribution,this paper gives out some expression including probability density,distribution function and basic numeric characteristic value.

依据Gamma函数及Γ分布的基本概念，给出了非均质性储层渗透率K的概率密度、分布函数以及基本数字特征的表达式。

This paper proposed a geomorphologic instantaneous unit hydrographwith gamma type probability density function.

在形态定量律基础上提出了雨滴沿"路径"的等待时间密度函数成Γ型分布的地貌瞬时单位线。

It is found that the evolution of probability density of ground state of atom is evidently affected by the cavity damping.

研究了当原子的注入有时序差时，腔场的损耗对原子基态密度矩阵演化的影响。

Assumed the probability density function of signal and noise of real part and imaginary part of SAR interferogram.

1将干涉图复数据分为实部和虚部，对实部、虚部的信号和噪声的概率密度函数进行假定。

It sets up mathematical model of impact point prediction simulation statistics and can estimate probability density distribution matrix of missile impact piont and effectively improves estimated accuracy of missile dropping area.

该方法通过对导弹飞行过程中发生坠落故障模式的分析，确定每种模式情况下导弹落点的散布规律，并建立起落点预测仿真统计数学模型，可得到导弹落点概率密度分布矩阵的估计。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。