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grey model
相关语句
  灰色模型
    A Study on the Grey Model for River Water Quality and its Grey Parameters, Optimal Estimation
    河流水质灰色模型及其灰参数估值方法研究
短句来源
    Grey Model For The Evaluation of Atmosphere Environment Quality
    大气环境质量评价的灰色模型
短句来源
    Discussion on the Feasibility for GIM(1) Grey Model to Forecast Environmental Protection Investment Trend
    GIM(1)灰色模型预测环保投资趋势的可行性探析
短句来源
    Regional Ambient Noises Forecasting by Grey Model GIM (1)
    预测区域环境噪声的GIM(1)灰色模型
短句来源
    Application of GPSM(1) Grey Model in Forecasting Atmospheric Rainfall Ac
    GPSM(1)灰色模型在大气降水酸度预测中的应用
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  “grey model”译为未确定词的双语例句
    Application of Robust Grey Model RGM(1,1) in the Forecasting on the Year's Output of Industrial Solid Wastes.
    稳健GM(1,1)模型在工业固废产生量预测中的应用
短句来源
    Application of the Gpm(1) grey model to the prediction of COD concentration of surface water
    DM(1)模型用于地表水COD浓度预测
短句来源
    ROBUST GREY MODEL RGM(1,1) AND APPLICATION OF ITS TO FORECAST
    稳健GM(1,1)模型及其预测应用
短句来源
    Forecast of Dust Quantity in Blast Furnace Based on Grey Model GM(1,N)
    基于灰色系统GM(1,N)模型的高炉炉尘量的预测
短句来源
    Application of the Combined method of Multivariate Linearity Regression and Grey Model in Forecasting the Water Quality
    多元线性回归与灰色联合模型在湖泊水质预测中的应用
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  grey model
Avoiding the Eddington approximation the remaining simplifications in the basic equations are discussed, the generalized dispersion relation is analysed, and some wave properties in a grey model are studied.
      
The proposed method cannot only enhance the prediction accuracy of the original grey model, but can also solve the jump data forecasting problem something for which the original grey model is inappropriate.
      
Modified Grey Model for Estimating Traffic Tunnel Air Quality
      
This study compared three forecasting methods based on their accuracy or absolute errors in forecasting air pollution in a traffic tunnel: the Grey model (GM), the Crank-Nicholson implicit scheme model, and the forecasting combination model (FCM).
      
In this study, grey model, both GM(1,N) and GM(0,N) models, is applied to determine the priority of technical measures by evaluating the impact of each technical measure in the system.
      
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Using grey system theory approach this paper has developed grey model for river water quality. The optimal estimation method for the grey parameters in the grey model has been proposed and applied to error-contaminated synthetic data and the measured data in Tuojiang River in China.

本文基于灰色系统理论的思想提出了河流水质灰色模型,研究发展了一种有效的灰参数最优估值方法,并用计算机仿真资料和沱江实测资料作了验证。

Considering the deficiency of deterministic water quality programming models, the grey linear programming modcl of water pollution control system for rivers is proposed first in this paper. In order to make it more applicable in decision making, the gcneral grey linear programming models with different constraints and the mcthod of obtaining their grey solutions are discussed. The calculated results demonstrate that the grey model can explain the effccts of the main uncertain factors in water pollution...

Considering the deficiency of deterministic water quality programming models, the grey linear programming modcl of water pollution control system for rivers is proposed first in this paper. In order to make it more applicable in decision making, the gcneral grey linear programming models with different constraints and the mcthod of obtaining their grey solutions are discussed. The calculated results demonstrate that the grey model can explain the effccts of the main uncertain factors in water pollution control system. Especially whcn decision is made based on the grey solution of the grey model, csscntial compromise is given to the effects of some factors which can not be easily included in the. dctermistic model (planning and water quality model), the characteristics and some pcculiar requircmcnts of, real problcms, so as to make the dccision agree better with the objcctive reality.

鉴于确定性水质规划模型的局限性,本文首先建立了河流水污染控制系统的灰色线性规划模型。然后,对具有不同类型约束条件的灰色线性规划模型及其灰数解法进行了讨论,以便于应用和更好地决策。计算结果表明,本文建立的灰色线性规划模型能较好地反映水污染控制系统中主要不确定性因素的影响,并可直接求解,简便易行。特别是根据模型的灰数解进行决策时,可以比较灵活而充分的考虑模型(包括水质模型)中一些无法描述的因素的作用以及有关实际问题的特点与具体要求等,从而使决策结果更加符合实际,而根据确定性模型的解或灰色模型的确定白化解决策则不易做到这一点。

The grey model for river water quality(GNIRWQ) can be developed using the grey system theory approach based the deterministic model,of which the optimal grey parameters can be estimated using the measured water quality data.The advantage of the grey modelling is that it can take the effects of many unknown and accidental factors in the river water quality system into consideration.This paper reports the significance about OMRWQ,the estimation of grey parameters in GMRWQ,the modelling...

The grey model for river water quality(GNIRWQ) can be developed using the grey system theory approach based the deterministic model,of which the optimal grey parameters can be estimated using the measured water quality data.The advantage of the grey modelling is that it can take the effects of many unknown and accidental factors in the river water quality system into consideration.This paper reports the significance about OMRWQ,the estimation of grey parameters in GMRWQ,the modelling based on GMRWQ and its application to the river water quality systm in Tuojiang River in China.

借助于灰色系统理论的思想和方法可以构造河流水质灰色模型,根据实测水质资料可以识别出河流水质灰色模型中的最优灰参数,在此基础上,可以对河流水质系统进行灰色模拟。灰色模拟考虑了实际河流水质系统中客观存在的不确知因素和偶然因素影响。本文概述了河流水质灰色模型的构造、河流水质灰色模型的研究意义、河流水质灰色模型的灰参数识别、河流水质系统的灰色模拟及其在四川沱江水质系统模拟中的应用。

 
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