查询词典 density of distribution

It contains Euler equations for conservation of mass, momentum and energy, and Poisson equation through which the gravitational potential is determined by the density distribution of the gas itself.

它包括由质量守恒方程、动量守恒方程和能量守恒方程构成的Euler方程组以及由星体本身的密度分布决定的自引力势能所满足的Poisson方程。

Measurements of number density distribution and imaginary part of refractive index of aerosol particles.

大气气溶胶粒子数密度谱和折射指数虚部的测量。

Measurement of number density distribution and imaginary part of refractive index of aerosol particles.

大气气溶胶粒子数密度谱和折射指数虚部的测量

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。

To compensate for the incomplete projection data, polynomial interpolation method is proposed to deduce more projection data from the available ones. Furthermore ,with the Chapman model assumption of electron density distribution, a method to expand the view angle and evalute the projection data under low elevation angle is presented.

本文提出了用多项式插值的方法增加接收站观测数据，并根据对电离层垂直方向Chapman模型的假设，提出了扩展投影角度的方法，以估算观测中无法得到的低仰角投影数据。

Based on the finite element model of the sensor, simulations on the flux density distribution under different angular displacements were carried out, and the changing principal of the inductance of the sensing coil with the angular displacement was also discussed.

建立了有限元模型，在此基础上仿真分析了该电涡流角度传感器在不同转角下的磁场分布，探讨了其线圈电感变化的工作机理。

The distribution of magnetic induction density in the coil was measured through the little coil method.

用小线圈法实测了线圈内磁感应强度的分布，并将实测值与计算值进行比较，验证了模型的有效性。

The one order differential model and convolutional model of impedance formula of amplitude versus offset inversion were established. Impedance inversion formula from AVO was derived based on Bayesian framework. Methods of using Huber function as prior model parameter distribution and covariance matrix from well log as constrains were developed. The P-wave impedance, S-wave impedance and density were calculated by the conjugate gradient algorithm.

为此建立了振幅随偏移距变化波阻抗反演公式的一阶差分模型及褶积模型，推导了基于贝叶斯理论的AVO波阻抗反演公式，给出了采用Huber分布作为模型参数的先验分布及测井数据的参数协方差矩阵作为约束条件的实现方法，并利用共轭梯度法计算了纵、横波阻抗及密度。

The Laplace transformation functions of probability distribution density functions for the difference between the times,at which the jth and j-1th new type failures happened,were derived in the cases of with and without precondition.

分析了无条件、有条件两种情况，给出了第j个和第j-1个新类型故障发生时刻之差的概率分布密度的Laplace变换函数。

A double distribution thermal lattice boltzmann model presented in this paper is to simulate natural convection with metal foams of different porosity,hole density and Rayleigh number.

本文使用格子-Boltzmann方法模拟了充满金属泡沫的封闭方腔自然对流。

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。