Compares the accurate reliability value with the designed value of the reliability of the exponential distribution normal distribution model and gives the relative error.
对指数—正态模式结构可靠度的理论值与设计值进行比较，给出它们之间的相对误差估计。
Recent years' research discovered that Internet has developed to be a power distribution scale - free model from original normal distribution random model.
近几年研究发现，互联网运作的数学模型，由原先正态分布的随机模型转变为幂次分布的无尺度模型。
The normal mixed distribution model can be used to get probability density or to simulate population which can not be fitted by standard parameters distribution classes.
正态混合模型还可以用来对那些不能用标准的参数分布族来拟和的总体进行密度估计或近似。
A curtailed normal distribution as a theoretical model for the error distribution of size of the machine parts and instrument parts in single - part or small-lot production is proposed in this paper.
本文提出用截尾正态分布作为单件、小批量生产的仪器零件、机器零件尺寸误差分布的理论模型。
It was found that the reaction rate submitted normal distribution with reaction time and a normal distribution model was proposed to fit the kinetics data.
与随机孔模型对比，发现正态分布时间模型能较好地描述煤焦的气化动力学规律。
The results show that EGARCH is the best model for forecasting long-term volatility. Furthermore, using EGARCH with the Student t-distribution gives better results than with a normal distribution.
实证分析结果表明：EGARCH模型比较适合对我国股票市场波动性作长期预测，若假设收益序列服从t分布，由此改进的EGARCH-T模型会得到比正态分布下更好的拟合与预测效果。
The results show that EGARCH is the best model for forecasting long-term volatility. Furthermore, using EGARCH with the Student t-distribution gives better results than with a normal distribution.
实证分析结果表明：EGARCH模型比较适合对我国股票市场波动性作长期预测，若假设收益序列服从t分布，由此改进的EGARCH-T模型会得到比正态分布下更好的拟合与预测效果。
应用推荐