查询词典 probability function

This dissertation adopts two new variables, the congestion probability and the congestion distance, which provide new metrics for describing the congestion situation, and present a theoretical basis for the dropping probability of packets in the random early detection.

通过与其它数据流和传输协议性能的分析和比较，这一方法表现出了很好的TCP友好性、快速收敛的公平性、高效的资源利用率和平滑性，并且还具有缓解网络数据流的突发性等性能。

Breakeven Point and Sensitivity analysis were revised to make the risk evaluation properly and scientifically. The evaluations of the probability analysis of random risks were analyzed in the way of the theoretical probability and Monte Carlo simulation. And the application of gray prediction can make up the lack of data. 5. For the risk assessment of the real estate investment, the fuzzy math and the gray cluster were applied to reduce the influence of the subjective factors in the risk measurement.

对于房地产投资风险的估计则主要是针对随机风险进行概率研究，首先对目前常用的BP分析和敏感性分析进行改良，进一步降低风险估计的确定性成分；其次对随机风险的估计进行了研究，结合案例探讨了理论概率分析和蒙特卡罗模拟方法在分析中的应用；并且将灰色预测应用于风险估计，弥补我国房地产业发展时间短、数据不完整的缺点。

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 first is on the study of spectra technique in boolean function and in its probability function.

得到布尔差分等布尔运算在此映射下的实函数运算，并用有限离散变换实现了从原函数到象函数、到象函数偏差分，以及到布尔差分的象函数的变换，并研究了这一系列变换的性质。

The probability distribution function G of particle number N^＋ is deduced on the basis of the Canonical partition function Z of an ideal Fermi gas（ The orbital motion of the fermi- ons is not considered） in weak magnetic field.

根据弱磁场中理想费米气体的正则配分函数Z，导出粒子数N＋的几率分布函数G。

I hope that this success is just the first in a long series.

我希望这只是成功的开始。

Three dimensional stresses on the interface of tire and soil, tire deflection and soil sinkage are measured.

测试轮胎——沙土界面上的三向应力、轮胎变形和沙土沉陷；建立考虑剪切应力对沙土承载特性产生影响的车轮牵引性能预测模型；分析车轮作用下土壤的纵向稳定性。