系数函数

In this paper,we use geostatistics to analyse special variability of soil salinity in Yanqi Basin of Xinjiang base on soil salinity data,and then we predict and draw the soil-salinity-class maps including unsampled region,it shows: the soil salinity data's Cv are not less than 100% and have very strong special variability;the spherical model f...

在焉耆盆地大规模的土壤取样、试验分析盐分数据的基础上，采用地统计学的方法对研究区的土壤盐分进行了空间特征变异分析，并采用普通克里格插值法制作出焉耆盆地的土壤盐分空间数字地图，结果表明：研究区各层土壤盐分变异系数均大于100%，具有强空间变异性；对土壤盐分进行半方差函数计算分析，发现拟合的理论模型均为球状模型，各层土壤盐分表现出强烈的空间相关性；土壤盐渍化程度在水平方向的分布与地形地势的关系密切，在垂直方向则表现出强烈的表聚特性。

In CHAPTER six,the exact expressions of parabolic cylinderfunction of the second virial coefficient B2for gases withLennard-Joenes potential are obtained.

第六章，获得了Lennard-Jones气体的第二维里系数B2的用抛物柱函数的严格表示。

The dielectric function and complex refractive, reflectivity, and absorption coefficients of anatase TiO2 dominated by electron interband transitions are analyzed in terms of the precisely calculated band structure and density of states.

利用精确计算的能带结构和态密度分析了电子带间跃迁占主导地位的锐钛矿相TiO2的介电函数、复折射率、反射率和吸收系数，理论计算得到的结果与实验测量结果基本一致。

It is found that the function relationship is affected by initial enrichment, cooling time and burnup range. The function relationship is also affected by irradiation history while the cooling time is shorter than 2 a.

发现幂函数关系中的系数受初始富集度、冷却时间、燃耗范围的影响；如果冷却时间大于2 a，这个关系不受辐照历史的影响；如果冷却时间小于2 a，这个关系受辐照历史的影响。

Wavelet transform is Mallat algorithm in substance but a key point of Mallat algorithm is that wavelet's filter is convolved with function, so the calculation of coefficients of impulse response of filter of wavelet is very importment for Mallat algorithm.

在信号和图象处理中小波变换的实质是Mallat算法，而Mallat算法中其基点是小波所对应的滤波器和原函数作卷积，因此小波所对应的滤波器的冲激响应系数的计算对Mallat算法的实现具有现实的意义。

First of all, the relationship between concrete strength、 acidified depth and the solution density of SO_4~(2-)、H~+, marinating period and concrete initial strength before marinating is established with dimension analysis method.

首先，本文通过量纲分析的方法确定了混凝土的强度和酸化深度与浸泡液的SO_4~(2-)离子浓度、H~+离子浓度、浸泡时间和混凝土初始强度之间的含有待拟和系数的函数关系式。

After ICA transform, the basis coefficients of speech signal are sparser. We choose appropriate probability density function to model the sparsity and develop two more effective shrinkage algorithms.

语音信号通过独立成分分析，增强了基系数的稀疏性，选择合适的概率密度函数描述这一特性，在此基础上提出了两种更有效的噪声压缩算法。

Based on experiment data, equivalent gray absorption coefficient s at various gas temperature distributions are calculated using inverse analysis,which combines the zone method and the minimization of a performance function stylizing the conjugated gradient method.

以实验数据为基础，采用区域法与求目标函数最小值的共轭梯度法相结合的方法反演计算了不同烟气温度下的当量灰吸收系数。

Equivalent gray absorption coefficient in non-gray system is calculated by inverse analysis, which combines the zonal method and the method of minimization of a performance function stylizing the conjugated gradient.

本文将区域法(zonamethod，亦称段法)与求目标函数最小值的共轭梯度法结合，进行非灰系统当量灰吸收系数的反演。

The simulation results show that calculated tortuosities varies with network connectivity as well as the Thiele modulus.This work also suggests that tortuosities obtained under diffusion-only conditions can only be used under the strong reaction control conditions.

模拟结果表明，计算出的曲折因子既是孔网络配位数的函数，又随Thiele模数的变化而不同，在纯扩散条件下测得的有效扩散系数只能应用于扩散影响不严重的反应扩散区域。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。