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- combination grey model 组合灰色模型
- Grey model theory for woman body is given and described. 提出和描述了灰色模型理论。
- Methods Grey model(1,1) was applied and residual was amel iorated. 方法 应用GM(1,1)模型对中山试点血吸虫病患病率建模并进行残差修正 ,进行 3年预测。
- A multilevel grey evaluation model combining grey evaluation and AHP is proposed to meet subjective evaluation criteria and a calculation is made. 针对主观的评价指标体系,建立了灰色评价与层次分析法相结合的多层次灰色评价模型,并进行了算例研究。
- Then a Grey Non-intrinsic model for indoor air quality is proposed by combining Grey System Theory with the definitive physical model. 利用原有的确定性物理模拟与灰色系统理论相结合,提出了室内空气品质灰色非本征模型。
- An algorithm based on grey model to predict idle period for DPM is proposed in order to improve the accuracy of predicted results. 摘要为提高空闲预测的准确性,提出基于灰色模型的空闲预测算法。
- Grey model is an exponential model,which has high precision to observation data series fiting in with exponential rule. 灰色模型是一种指数模型,它对于符合指数规律的观测数据序列具有较高的精确度。
- This paper develops grey model, and offers modified grey model, and uses it to embankment settlement research. 本文在灰色模型的基础上进行改进,提出了修正灰色模型,并将其应用于路基沉降研究。
- At last,GM(1,1) grey model is used for fitting and to predict the production of the gas wells. 引用GM(1,1)灰色模型对气井的产量进行拟合,并在此基础上进行了产量预测。
- Through the example, it indicate that segmentation grey model has higher fitting precision and forecast precision. 通过实例应用表明,分段灰色校正模型具有较高的拟合精度和预测精度。
- But grey model has some shortcomings, as GM (1, 1) is an increasing exponent model, which is of unlimited increase. 但灰色模型有不足之处,主要是GM(1,1)预测模型是增长指数模型,具有无限增长的特性。
- Among most curve fit methods, grey model curve can be used to describe embankment settlement. 摘要在众多的曲线拟合方法中,灰色模型曲线可以用来描述路基沉降。
- Grey Model is with the characters of less date, high precision and without prior information. 灰色模型具有所需数据少、预测精度高和无需先验信息的特点。
- The grey model is with the characters of less data, high precision and without prior information. 摘要灰色模型具有所需数据少、预测精度高和无需先验信息的特点。
- First, the old smoothed values estimated from the grey model GM(1,1) need further discussion and clarification. 首先,以灰色模式GM(,1)计的前期平滑值需被进一步讨论与确认。
- The paper uses Grey Link analysis theory to confirm foot length, foot width and highness of toe girth to be the primary parts of the toe Grey Model. 本文运用灰色关联分析理论,确定脚长、脚宽、趾围高为趾围灰色模型的主要预测部位,同时建立人体趾围尺寸灰色模型,经实验检验,预测效果良好。
- As the frequently used grey model,GM(1,1) is particularly available to such random unconfirmed issue like traffic accident forecasting. GM(1,1)模型是最常用的一种灰色模型,尤其适合于交通事故预测“小样本”的随机不确定问题。
- A discrete grey model is redefined, and its parameters expression is given.Then the discrete grey optimize model is constructed. 摘要对离散灰色模型进行了重新定义并给出了参数求解式,建立了离散最优化灰色模型。
- In the paper,the feasibility of GIM(1) grey model in environmental protection investment trend forecasting was discussed. 本文利用GIM(1)灰色模型,探析了它在环保投资趋势预测应用中的可行性。
- Grey model (GM) method can meet the request of forecast due to its strengths of little original data needed and high precision. 灰色模型由于需要的原始数据较少,精度较高等优点,能满足油气操作成本预测的要求。