查询词典 distribution function

Articles about the theory of "distribution function of surface charge density" are reviewed and that this theory is incorrect is argued from viewpoint of symmetry.

文摘：从对称性角度出发讨论了导体表面的电荷分布问题，并对"电荷密度分布函数"的理论作了评述。

Based on Berry and Tabor's theory,we studied the sensitivity of the level distribution function P on the coupling.

利用Berry和Tabor理论，研究了该系统的能级分布函数P对系统中耦合参数的敏感性。

The advantages of this new method are:(1) The field conductivity distribution function is fitter the actual condition than tradition methods:(2) On the condition of triangle elements cut of field, making the calculation speed increase in large degree than tradition methods.

与单元电导率重建算法相比，节点电导率重建算法的优点有：(1)使场域电导率分布函数更符合实际情况，克服了传统算法中对电导率作离散化处理的缺陷；(2)当场域采用三角形单元剖分方式时，在场域的剖分密度保持不变的情况下，可以大大提高重建计算的速度；(3)在场域采用三角形单元剖分方式时，场域的剖分密度可以比以前加大一倍，在不降低重建计算速度的前提下，可以改善重建计算的精度；(4)由于重建的是所有节点的电导率，避免了先前单元电导率重建图像中"阶梯"状边缘和"锯齿"状边缘的出现，明显地改善了图像的视觉效果。

In the academic circle, it is usually hypothesized as a single distribution function for the duration model while applying to Schmidt and Witte's (1989) split population duration model.

学界应用Schmidt and Witte (1989)的区分母体持续时间模型时，通常在「持续时间」的部分，假设它为单一分配函数。

The Young's modulus in different directions of the films were calculated based on phenomenological theory and orientation distribution function.

计算了薄膜试样不同方向的弹性模量，研究了织构和甲烷浓度对CVD自支撑金刚石薄膜的宏观残余应变的影响。

According to rate process theory, slip theory of plasticity and principle of virtual work, the micromechanical model of soil creep are set up, the numerical solution of the model is given, the differences and similarilities between frequency distribution function of microplane and clay platelet are discussed and schematic computation flow of the model for fitting the test data of homogeneously stressed anisotropically consoildated clay specimens in an undrained creep test at constant volume are given.

以速率过程理论作为土质学与土力学间的桥梁，根据塑性滑动理论和虚功原理，从微观结构的角度，建立了反映粘性土宏观应力应变关系的微观力学模型，给出了微观力学模型数值解的近似表达式，讨论了微滑面与粘粒和团粒定向频率分布的异同，设计了一个拟合各向异性土不排水蠕变的计算流程。

According to the simulation of up-flowing ions i. e., O (superscript +, H (superscript +) and He (superscript +) distribution function and using dynamic equation during dipolarization in substorm in magnetotail, ion acceleration and energization are investigated.

根据采用动力学方程对亚暴期间磁尾磁场向偶极形弛豫过程中离子分布函数的模拟结果，研究了磁尾来自电离层的O， H和 He离子的速度及能量随时间的变化。

Here, we point out that, within the frame of general relativity, the basic astrophysical equations are Einstein equation, Boltzmann equation of the distribution function of real matter in the presence of electromagnetical field in curved spacetime, Maxwell equation and the equation of radiative transfer of Stokes parameter of photons in curved spacetime.

这里，我们指出，在广义相对论框架下，天体物理基本方程为Einstein场方程，弯曲时空中实物质分布函数所满足的含有电磁场的Boltzmann方程，弯曲时空中Maxwell方程组和弯曲时空中光子Stokes参量所满足的辐射转移方程。

Aim Based on the generalized Bose-Einstein distribution function in nonextensive statistical mechanics, thermodynamical quantities of the two-dimensional Bose gas such as internal energy, entropy, free energy, heat capacity, etc., are calculated.

目的 应用非广延统计力学中的广义玻色－爱因斯坦分布函数，计算出了广义二维玻色气体的内能、熵、自由能、热容量等热力学量。

Based on the propagation and transformation law of Wigner distribution function through a general axially nonsymmetrical optical system,investigated is the transform relationship of WDF between the input and the output planes of a pair of cylindrical lenses system which is used widely in optical signal processing .

基于维格纳分布函数在一般非轴对称系统的传播和变换规律，讨论了在光学信息处理系统中常用的双柱透镜系统输入和输出面WDF之间的变换关系，在直角坐标中给出了联系该系统相空间坐标的维格纳分布函数的坐标变换关系式和等价的矩阵表示。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。