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- improved discrete grey model 改进离散灰色模型
- 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。
- We construct optimized discrete grey model and unconstrained optimize parameter formula.And we establish the discrete grey model of non-homogenous index sequence. 构建了优化离散灰色模型和无约束参数求解公式,建立了非齐次指数增长序列情况下的离散灰色模型;
- Discrete grey model 离散灰色模型
- 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 new improved discrete variable voltage variable frequency equivalent sinusoidal control method is presented. 一种新的离散变压变频等效正弦控制方法被提出。
- Finally,simulations are performed to verify the proposed DTC scheme based on improved discrete duty ratio control technology. 对所提出的基于改进离散占空比控制技术的直接转矩控制系统进行了仿真实验。
- Two kinds of discrete grey numbers whose whiting may be consistent (or opposite) and should be consistent in order (or opposite in order) were defined, and their relationship was pointed out. 摘要定义了取数一致(或取数相反)和取数顺序一致(或取数顺序相反)的离散灰数,指出了两者之间的关系。
- 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。