1) quartic exponential smoothing method
四次指数平滑法
1.
This paper generalizes the Brown Single Parameter Exponential Smoothing from polynomial of degree 2 to polynomial of degree 3-quartic exponential smoothing method.
把布朗单一参数二次多项式指数平滑法推广到三次多项式指数平滑法(即布朗单一参数四次指数平滑法),并利用计量经济学软件Eviews4。
2) cubic exponential smoothing method
三次指数平滑法
1.
Application of cubic exponential smoothing method to city underground deformation prediction;
三次指数平滑法在城市地铁变形预测中的应用
2.
In this paper,the exponential smoothing method and the prediction process of the cubic exponential smoothing method are introduced in detail.
详细介绍了指数平滑法及三次指数平滑法的预测过程,应用此方法对实测资料进行了预计和比较。
3.
<Abstrcat> Based on the freight volume data of Da-qin railway between 1989 and 2003, quantitative estimation and speculation of the development foreground, scale and level of Da-qin railway are given in the paper with the cubic exponential smoothing method.
以大秦铁路1989年至2003年的运量数据为基础,应用统计预测中的三次指数平滑法,对大秦铁路未来的发展前景、规模和水平进行定量的估计和推测,并对预测结果进行了分析和评价,为大秦铁路重载扩能项目提供了依据。
3) single-index moving method
一次指数平滑法
1.
A single-index moving method with fuzzy set theory is studied First,an explanation of fuzzy set theory is made on single-index moving method,and then,a reasonable improvement on the method is put forward The results of this improved approach show that it can overcome the deficiency of single-index moving method and can also improve the prediction accurac
利用模糊理论对一次指数平滑法进行了研究，先从模糊数学的角度对指数平滑法作出了解释，然后提出对该法的一种合理改进算例表明这种改进方法能克服一次指数平滑法本身的不足，提高预测精度
4) second exponential smoothing method
二次指数平滑法
1.
The system adopts the ASP+IIS structure, the database is Microsoft SQL Server 2000 databases, the kits is Microsoft Visual InterDev, The prediction algorithm is second exponential smoothing method.
系统整体采用B/S架构设计;前台采用基于Windows 2000 Server的Webserver服务,实现方式为ASP+IIS结构;后台采用Microsoft SQL Server 2000数据库,开发工具为微软公司的Visual InterDev、预测算法采用二次指数平滑法。
5) expotential smoothing method
二次曲线指数平滑法
1.
This paper introduces the quadratic curve expotential smoothing method and its practical application to middle-term and short-term prediction of landslides.
本文介绍的是其中的二次曲线指数平滑法及其在滑坡中、短期预报中的应用。
6) exponential smooth method
指数平滑法
1.
As compared with the traditional exponential smooth method, the improved one of this paper involves smaller and less complicated amount of calculation and computation but enjoys higher calculation accuracy, for the whole computation process can be done by means of a computer software known as MATLAB easily.
在对指数平滑法综合应用分析研究的基础上,根据某铀矿井排风口周边某一农田土壤中近10a的铀(238U)质量比监测数据建立了指数平滑预测模型,对土壤放射性铀(238U)污染进行预测,并对预测结果进行了深入分析,精度达75%以上。
2.
In order to investigate the noise pollution of the city,the exponential smooth method was used to establish the mathematical models based on the history measuring data for forecasting the noise pollution.
调查收集了某城市环境噪声污染监测的历史数据,应用指数平滑法建立了预测城市环境噪声污染的数学模型,并计算了不同平滑系数时数学模型的精度,同时应用建立的数学模型对该市10 n内的噪声污染进行了预测。
3.
In order to investigate the farmland soil heavy metal pollution near a metal mine, the exponential smooth method was used to establish the mathematical models based on the history measuring data for forecasting the heavy metal concentration.
为了研究尾矿库周边农田土壤重金属污染状况,通过调查收集了国内某铅锌矿山尾砂库周边农田重金属含量的历史数据,应用指数平滑法建立了预测尾矿库重金属污染浓度的数学模型,并计算了不同平滑系数时数学模型的精度,同时应用建立的数学模型对该区域10a后的重金属浓度进行了预测。
补充资料：指数平滑法
指数平滑法是由移动平均数发展形成的一种指数加权移动平均数，它利用本期预测值和实际值资料，以平滑系数为加权因子，来计算指数平滑平均数。指数平滑法一殷适用于观察值具有趋势变动和季节性变动的预测。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条