The changing law of retention index with temperature from chromatographic thermal function resulted from the variation of the different entropy and enthalpy during the chromatographic separation.
并从色谱热力学函数分析了保留指数随温度变化规律的主要原因是由于在色谱分离过程中不同的熵变和焓变所造成的。
From the view of fractal information theory, the multifractal has been introduced, and the multifractal dimension spectrum function based on the fractal entropy has been investigated.
本文从分形信息论观点出发,考察多重测度分形,导出基于分形熵比的多重分形维谱函数。
Discrete formulas expressed by Gauss-quadrature are presented when determine the parameter of probability density function which is established based on maximum entropy theory.
给出确定利用最大熵原理建立的功能函数概率分布密度的待定参数时由高斯积分表达的离散化公式。
Entropy function is a powerful tool in studying the characteristics and extent of heterogeneity of ore-bodies in space.
熵函数是研究矿体在空间上非均质特点和程度的有力工具。
Using the concept of information entropy, a measure function of the autocorrelation of residuals is established.
利用信息熵的概念,文中建立了衡量残差相关性的度量函数。
Distance entropy is introduced to explain the relations of the actual output, desired output and energy function.
通过引入距离熵揭示了实际输出值、期望输出值以及能量函数三者的内在关联。
The state function, entropy, is introduced by the means of a perfect gas behavior, and the second law of thermodynamics is demonstrated based on the first law.
本文以理想气体的行为为手段引出熵函数,并以热力学第一定律为基础,论证了熵增大原理。
The optimal efficiency, output power and entropy production at the maximum of an ecological function are obtained, and are compared with those results at the condition of maximum output power.
获得了在最大生态学函数条件下的最佳效率、输出功率和熵产生,并与在最大输出功率条件下的结果进行比较。
Fuzzy entropy is introduced to evaluate the enhancement effects and the characteristic of the sine membership function and generalized fuzzy enhancement operator is analyzed.
引入了模糊熵的方法来评价图像的增强效果,并对提出的正弦隶属度函数及广义模糊增强算子的特性进行了分析。
The maximum entropy of the data outside window increases the resolution of receiver function.
时窗外数据熵极大提高了接收函数的分辨率。
From the principle of maximum entropy, the radial distribution function of the end-to-end distance was deduced directly, and it is indicated that the function is Gauss-type function.
将自由结合链看成一个微观系统,应用最大熵原理推导出自由结合链末端距的径向分布函数,进而证明自由结合链的末端距符合高斯分布。
This paper presents a new leaning method for radial basis function network, minimum mean entropy difference criterion algorithm is used to get pattern cluster of training sets.
本文对径向基函数网络提出了一种新的学习算法,利用最小均熵差准则对训练样本进行模式聚类。
This paper, from the information theory, the concept of information granularity, granularity function and granularity entropy are defined.
本文从信息论的角度定义了信息粒度,粒度函数和粒度熵等概念,重点研究了知识粗糙性的粒度原理。
The maximum entropy density function is fitted with the restriction of expectation and high DE - gree central moments of Z.
最大熵密度函数以Z的期望和高阶中心矩为约束条件加以拟合。
It was discussed that the consistent invexity of K S function which is the key function used by maxinum entropy method in optimization problems solution.
对求解最优化问题的极大熵方法中的关键函数——K- S函数的一致不变凸性作了讨论,得出“K-S函数是一致不变凸的,则一定是不变凸的”结论。
The off-lattice model is adopted and the relative entropy is used as a minimization function to predict the tertiary structure of a protein.
采用非格点模型,以相对熵作为优化函数,进行蛋白质三维结构预测。
The method defines different member function for the object and background of the image to transform the image into fuzzy domain with maximum fuzzy entropy.
该方法将图像分为目标和背景,并分别建立相应的模糊隶属函数来描述图像各个灰度级属于目标和背景的模糊特性,进而给出图像模糊熵的描述。
This method attempts to overcome some drawbacks of former methods, especially the maximum entropy function method.
本文分为四个部分:第一部分介绍极大熵方法,并给出了一个方法如何避免熵函数的溢出;
Taking the entropy generation number of a multi-backpressure condenser as the target function, the optimum structure of a multi-backpressure condenser has been obtained.
以多背压凝汽器的熵产生数为目标函数,得出了多背压凝汽器的最优结构。
Expressions of entropy, enthalpy and Gibbs function are formulated by exterior differential derived from second law of thermodynamics.
从热力学第二定理出发,利用外微分构造了熵、焓以及吉布斯函数的表达式。
The entropy function is one of the important concepts in physical chemistry.
熵函数是物理化学中的一个重要概念。
The Newton iterative method is used in the calculation of entropy density function, by which the non-convergence issue in the calculation for the vertical bearing capacity of piles is solved.
计算熵密度函数时采用牛顿迭代法,从而解决了在分析基桩竖向承载力的可靠度时可能产生的迭代不收敛的情况。
This paper introduces the programming structure, function and mathematic principle for maximum entropy spectrum estimation program and discusses the method of selecting the parameters.
本文介绍最大熵谱估计程序结构、功能及程序设计的数学原理,并讨论最大熵谱估计中参数的合理选取。
The KKT conditions of a nonlinear programming with linear inequality constrains can be transformed into a system of equations by NCP function. Then it is smoothed by Entropy smoothing function.
带不等式约束的非线性规划,其KKT条件可以通过NCP函数转化为一个非光滑的方程组,然后用熵光滑化函数光滑化,得到一个带参数的方程组。
A distribution function of droplet volume was derived using the information entropy.
采用最大熵原理,推导出喷雾场液滴体积分布函数。
The capability against the Entropy Leak Attack is also related to the nonlinearity of the combination function used in the generator.
该生成器抗熵漏攻击的能力与生成器中所用的线性移位寄存器的长度和生成器中组合函数的非线性度有关。
Minimax problem is a sort of non-differentiable optimization problem and the entropy function method provides a efficient approach to solve such kind of problems.
极大极小问题是一类不可微优化问题,熵函数法是求解这类问题的一种有效算法。
A method of image threshold based on a convex polynomial fuzzy entropy is proposed by replacing Shannon's function of fuzzy entropy with a convex polynomial.
采用一种凸多项式代替模糊熵中的香农函数,提出了基于凸多项式模糊熵的图象阈值方法。
Abstract: a method of image threshold based on a convex polynomial fuzzy entropy is proposed by replacing Shannon's function of fuzzy entropy with a convex polynomial.
文摘:采用一种凸多项式代替模糊熵中的香农函数,提出了基于凸多项式模糊熵的图象阈值方法。
Abstract: a method of image threshold based on a convex polynomial fuzzy entropy is proposed by replacing Shannon's function of fuzzy entropy with a convex polynomial.
文摘:采用一种凸多项式代替模糊熵中的香农函数,提出了基于凸多项式模糊熵的图象阈值方法。
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