查询词典 density distribution

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。

Present a new LVQ wavelet image coding algorithm in which entropy coding and enumeration codes of different length are utilized. For wavelet image coding, there is a problem of mismatch between lattice distribution and the input vector probability density function in traditional LVQ algorithms (such as product-code pyramid VQ and piecewise uniform LVQ).

提出一种使用熵编码和非等长枚举码的格点矢量量化算法用于小波图象的编码，该算法以格点标记码码长的变化来适应输入矢量的非均匀分布，解决了传统的乘积码塔形矢量量化和分块均匀格点矢量量化算法中格点的调整难以与输入矢量概率分布实现良好匹配的问题。

At the same time ,the sample machine's distribution diagram of the magnetic line of force and the sample machine's wave of the flux density in the air gap are given.

通过对同步发电机的电磁场计算结果进行后处理，得出了同步发电机的旋转磁场波形、电压波形以及空载特性曲线。

In which the density function of stock price obeys logarithmic normal distribution,can be shown to be completely the same under certain equivalence relation of coefficients.

即股价密度函数服从对数正态分布，可以是完全相同的· S.D.E。的解仅适用于股市的常规情形，因此，A.B＿S.M。

The migration distance is closely relative with the distribution of the magnetic flux density.

对等离子体鞘层的研究是等离子体实验中的一个重要问题，利用磁场调控鞘层中等离子体的动量及能量分布，使等离子体表面工程优化，已成为国际上一个新的研究热点。

Then the relative conductivity distribution in transverse slice and oblique slice was reconstructed by the measured magnetic flux density. The results of numerical simulation and experiment confirmed that the proposed algorithm is feasible and available.

数值仿真和实验研究的结果都验证了本文提出的基于斜位电流注入的磁共振电阻抗成像方法和相应的电导率重建算法的可行性和有效性，重建出的相对电导率分布图像能够分析反映组织的结构和位置信息。

The simulated results show that the magnetic flux density is the largest and magnetic field distribution is most uniform under the round electromagnetic stirrer.

通过对磁场和流场的数值模拟，分析了电磁参数和电磁旋流装置结构对钢液内磁感应强度和旋流速度大小及分布的影响。

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。