概率曲线

In order to deal with the stochastic characters of fault location, fault type, fault clearing time, and load level etc., this paper proposed a transient stability probability analysis method based on curve fitting.

考虑电力系统发生故障时，故障位置、故障类型、故障切除时间以及负荷水平都具有随机性，提出了一种基于曲线拟合的暂态稳定概率评估方法。

Finally, the Probability Mass Function evolution curve of optimized irregular LDPC codes with code rate 1/2 on Rice channel is given.

最后，给出了Rice信道下码率为1/2的优化非正则LDPC码的概率聚集函数进化曲线。

Grain-size probability cumulative curve of channel filling deposition is composed of three segments, dominated by saltation.

网状河道的沉积物多以沙砾石和中细沙为主，概率累积曲线多为三段式，并以跳跃组分为主。

With increase of voltage, the distribution for larger droplets became narrow and the curve shape of probability density function became nearly symmetric.

随着电压的升高，大雾滴尺寸分布有所变窄，概率密度曲线趋近对称。

We can find the area surrounded by probability density curve and x-axis is divided into n+1 parts by order statistics, the expect value of each part is equal .

发现次序统计量把总体的概率密度曲线与横轴所围的面积分为n+1份，每份面积的期望值均相等。

On the dose-response curve, 4or 5 well-spaced points were obtained for probit analysis to determine CD50 and LD50 of each agent.

使用Probit法将量效曲线直线化，建立3种局麻药的对数剂量一概率单位的回归直线方程，确定各自的量效关系。

It is successful to obtain the S-N curve by linear regression from the relative coefficient of low temperature fatigue experimental data. Different safety fatigue life can be estimated according to different safety probability.

从低温疲劳实验的相关系数可以看出，用线性拟合来回归中值S-N曲线是成功的，而且根据不同的安全概率，可以计算出不同的安全疲劳寿命。

The necessary condition of an important result of the probability that the supremum of a random walk with heavy-tailed increments crosses a curve on a random time interval is presented by using an important property of a general distribution class.

利用一类常见分布族的一个重要性质，给出了增量带重尾分布的随机游动在随机时段内的上确界超越曲线边界的概率的一个重要结果的必要条件。

Based on physical characteristics, existing stochastic estimation methods of equipment sensitivity to voltage sag use subjective probability models to express the probability distribution of voltage tolerance curve of equipment in the uncertain region. But the parameter estimation needs vast sample data. These methods may result in man-made errors.

现有负荷敏感度随机估计法以电压暂降的物理特征为基础，用主观概率模型描述负荷电压耐受曲线(voltage tolerance curve，VTC)的随机分布规律，所需样本量大，在实际中难以实现且可能引入主观误差。

The strength of rock material has the characteristics of random distribution. Combined with Mohr′s criteria, theory result is acquired to analyse the variation in strength of rock material by use of damage mechanics. By comparing this theory result with a group of experiment data on Carrara marble, it is shown that the damage mechanics model is suitable for describing the constitute property of rock material.

首先论述岩石材料强度的概率统计特性，结合经典的莫尔准则，利用损伤力学理论分析了岩石强度随围压的变化，给出了三轴应力状态下的岩石本构关系的表达式，并与Carrara大理岩在各种围压下的应力-应变曲线进行对比。

In the United States, chronic alcoholism and hepatitis C are the most common ones.

在美国，慢性酒精中毒，肝炎是最常见的。

If you have any questions, you can contact me anytime.

如果有任何问题，你可以随时联系我。