查询词典 probability density

In view of the study, there were large seasonal varying value of water resource carrying capacity and high probability of water scarce conjunctures during the low water season in the urban districts of Nanming and Yunyan, while there were small seasonal varying value of water resource carrying capacity and low probability of water scarce conjunctures during the low water season in the districts of Xifeng and Xiuwen county.

研究认为云岩、南明两城区水资源承载力的季节变化较大，在枯水季节容易发生水资源超载而引发的水危机；而修文、息烽等县水资源承载状态的季节性变化较小，在枯水季节的超载程度较轻。

The system voltage instability risk indices that are obtained using the risk assessment method include the voltage instability probability, expected load curtailment to avoid voltage instability, and the relationship between load curtailments and voltage instability probability.

该方法考虑发电机可用发电容量、电网结构及负荷的概率不确定性因素，利用蒙特卡洛模拟法抽样系统样本，并以所提电压稳定校正控制方法来判断样本的静态电压稳定性以及对样本进行电压稳定校正控制。

Both the lexical probability and rule probability of grammar have been used by the CFG parser of MATRIX system which is capable to translate sentences from English to Chinese. The author set up a new kind of scoring system based on the statistic knowledge estimated from corpus as the criteria of disambiguating the ambiguous syntactic structure and the accuracy of the parsing has been improved accordingly.

我们将从语料中获得的词法、文法的概率知识用于MATRIX英汉翻译系统的句法分析器中，建立了新的评分方法并作为句法消歧的标准，提高了句法分析器的准确率。

During a measurement, the probability that a system collapses from a given initial state to a particular eigenstate is given by the square of the absolute value of the probability amplitudes between the initial and final states.

在测量期间，从一给出起始态到特定特征值的一系统坍塌的概率被初值与终值间的概率振幅的绝对值平方来赋值。

And then Laplace published in 1812,"probability theory", first made clear to the classical definition of probability.

而接着拉普拉斯在1812年出版的《概率的分析理论》中，第一明确地对概率作了古典的定义。

Suppose Y is an absolutely continuous random variable symmetric about 0 with probability density function f and cumulative distribution function F.

假设Y是一绝对连续且对称於0的随机变数，其机率密度函数为f，而分布函数为F。

The discrete probability density function of beta distribution was used to express the organs' expansion laws, which was flexible enough to fit a variety of expansion forms.

用离散型Beta概率密度函数描述植物器官的扩展规律，可灵活地适应多种扩展曲线类型。

These results reveal that, as an intrinsic property of the wave function of atoms, the angle of the probability distribution of the angular two-electron density is approximately equal to the bond angle of the molecular which usually can be explained by the hybridization theory.

结果显示，作为原子波函数的内禀性质，双电子密度最可几角分布的角度与通常由分子杂化轨道理论解释的相关原子的分子的结合键角近似相等。

Aiming at the problems of over-fitting and generalization for neural networks, the locally most entropic colored Gaussian joint input-output probability density function estimate is studied, and a new method by means of Chebyshev inequality is proposed to self-revise respectively according to every cluster.

针对神经网络的过拟合和泛化能力差的问题，研究了样本数据的输入输出混合概率密度函数的局部最大熵密度估计，提出了运用Chebyshev不等式的样本参数按类分批自校正方法，以此估计拉伸样本集，得到新的随机扩充训练集。

Given a finite training sample set, according to the proposal of establishing a Local Most Entropy probability density function to estimate the number of cluster a method for estimating 〓 is proposed, where a complicated method based on Maximum Likelihood Cross-Validation is replaced by Chebyshev inequality.

为改善BP算法的收敛速度慢、易陷入局部最小的问题，提出了带一类非线性特性动量项的变步长BP算法，构造了一个能自适应升降温的动量项非线性强度函数，在编程中又采用了有条件引入非线性特性动量项的措施，大大提高了搜索过程跳出局部极小、快速稳定收敛的能力。

It inculcates justification before God on the ground of human merits.

它说明在上帝灌输在地上人类优点。

TH Leaguer has excellent Quality Control and Management System.

本公司具有完善的品管部门。