An unequal time interval forecasting model of GM (1, 1) is established according to the grey theory in the present paper, which can be modified using the residual error GM (1, 1) model.
运用灰色理论建立了软基沉降的不等时距预测GM(1, 1)模型,并可用残差的GM(1, 1)模型对其进行修正。
Estimation of parameters are very important in grey GM (1, 1) forecasting model.
在灰色g(1,1)预测模型中,参数的估计是非常重要的。
The number of product trouble satisfies the properties like that. We improve traditional GM(1,1) model by supplying residual error and applying the improved model for forecasting of product trouble.
采用补充残差和加权平均的方法改进了传统的GM(1,1)模型,并将改进后的模型应用于产品故障数的预测。
The monitoring technique of rock mass acoustic emission is of wide use in the stope stability. A grey model GM (1.1) for scientific forecasting was presented in this paper.
岩体声发射监测技术已广泛应用于采场稳定性研究中,文中提出了能进行科学预报的灰色GM(1.1)模型。
Aiming at solving the demanding problem of road traffic system in exactly forecasting the traffic freight volume, an introduction is made into the Grey Model GM (1, 1) for forecasting.
针对公路交通系统在准确预测交通运量时的棘手问题,引进灰色预测GM(1,1)模型进行预测。
According to Grey Forecasting theory, this paper presents two sets of Grey System Model which can be applied to forecast heating load — GM (1, 1) and Grey Correction Model.
本文根据灰色预测理论,提出了两种适用于供热负荷预测的灰色系统方法——GM(1,1)法和灰色校正模型法。
The GM(1, 1) model of grey system theory is introduced into the service forecasting of the civil telephone network programming. Compared with other forecasting models, the result obtained is better.
将灰色系统理论的GM(1,1)模型引入到市话网规划中的业务预测部分,并用GM(1,1)模型同其他预测模型做了比较,取得较好结果。
The modeling procedure using the grey forecasting model GM (1, 1) which is applicable to original series with equal intervals is introduced, then an output model of synthetic diamond is established.
介绍了适用于等间距序列的灰色预测模型GM(1,1)的建模步骤,预测了我国的人造金刚石产量。
The paper uses GM(1,1) with higher forecasting accuracy as the prediction model of Shandong domestic tourism market, through comparing all kinds of model's forecasting accuracy.
通过各预测模型的精度比较,最终采用预测精度较好的GM(1,1)模型作为山东省国内旅游客源市场的预测模型。
The accuracy of grey forecasting model (GM) is increased by improving the smooth degree of original data sequence.
用提高原始数据列光滑度的方法来提高灰色预测模型(GM模型)的精度。
Besides these, the paper also discusses the suitability for forecasting the ground subsidence of Xi 'an city by using the GM (2, 1) model.
此外,还讨论了GM(2,1)模型对预测西安市地面沉降的适合性。
Besides these, the paper also discusses the suitability for forecasting the ground subsidence of Xi 'an city by using the GM (2, 1) model.
此外,还讨论了GM(2,1)模型对预测西安市地面沉降的适合性。
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