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grey model
相关语句
  灰色模型
    Improve the Forcasting Accuracy of the Grey Model of Industrial Output Value
    提高工业产值灰色模型预测精度
短句来源
    The Grey Model for Rock Crevice Extensional Regularity
    岩石裂纹扩展规律的灰色模型
短句来源
    GREY MODEL OF INEQUALITY TIMEDISTANCE PREDICTION
    不等时距的灰色模型预测
短句来源
    APPLICATION OF THE GREY MODEL IN THE PREDICTION OF THE SINGLE PILE VERTICAL ULTIMATE BEARING CAPACITY
    灰色模型在推测单桩竖向极限承载力中的应用
短句来源
    GREY MODEL FOR UNIFORM ACCELERATED VARIATIONS AND ITS APPLICATION
    匀速加速变化型灰色模型及应用
短句来源
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  “grey model”译为未确定词的双语例句
    A MODIFIED GREY MODEL AND ITS APPLICATION
    灰色动态模型的改进及应用
短句来源
    The Verhulst Grey Model which Determines the Building Settlement
    建筑物沉降量预测和最终沉降量早期确定的灰色Verhulst模型
短句来源
    A Grey Model for Forecasting the Displacements in Underground Excavation
    地下工程开挖位移的灰色理论预测模型
短句来源
    An application of grey model in forecasting city water
    灰色系统理论在城市需水量预测中的应用
短句来源
    Grey Model of Osmosis Coefficient in Geotechnical Mechanics
    岩土力学中渗透系数的灰色数学模型
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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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This paper preliminarily analyses that the deformation body system is a grey system. Based on the model-building mechanism of grey system theory, it gives the grey model of the deformation tendency, detecting and forecasting grey planes. Thence, it presents some idea of criticism of the forecasting grey plane established in literature [1].

本文初步分析了变形体系统是一个灰色系统,并根据灰色系统理论的建模机理,给出了变形趋势的灰色模型、检验和预测灰色平面,进而对文献[1]建立的预测灰色平面提出了异议。

From the grey model of the gross value of industrial output of Anshan over the years, We can forecast the gross value of industrial output of 1990, the forecasting error is 10. 99%. In the nei-bourhood of the gross value of 1989. We build the family of the grey models. From compare theaverage error and origin error of every model of the family, we select the optimal model. In orderto improve the accuracy of the model, we modify it again suing a grey model established by seriesof...

From the grey model of the gross value of industrial output of Anshan over the years, We can forecast the gross value of industrial output of 1990, the forecasting error is 10. 99%. In the nei-bourhood of the gross value of 1989. We build the family of the grey models. From compare theaverage error and origin error of every model of the family, we select the optimal model. In orderto improve the accuracy of the model, we modify it again suing a grey model established by seriesof residual. From the modified forecasting model. We forecast the gross value of industrial outputof 1990. It's forecasting error is only 4.14%. This illustrates that from the family of grey models

通过建立鞍山市历年工业总产值全数据的灰色模型,较准确地预测出鞍山市1990年的工业总产值,其预测误差为10.99%.在1989年总产值的邻域系上建立了灰色模型簇。通过比较簇中各灰色模型的平均误差及原点误差,筛选出最优灰色模型。为进一步提高该模型的精度,又以残差数列建立灰色模型对该模型进行修正。修正后预测出1990年的工业总产值的预测误差仅为4.14%,这表明,在灰色模型簇中筛选最优预测模型,并在此基础上建立被残差修正后的灰色预测模型,从而提高灰色模型的预测精度。

It′s introduced that imitation and following using grey model for the P s curre of composite foundation. A prediction model of GM (1,1) is established and examined, which shows that the grey theory has a practical meaning for the prediction of composite foundation′s bearing capacity.

介绍了灰色系统理论对复合地基P-s曲线的拟合及跟踪,建立了GM(1,1)预测模型,并对模型进行检验,意在说明灰色系统理论对复合地基承载力预测有实际意义。

 
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