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- 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。
- 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。
- 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。
- 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。
- 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。
- Because of the limitation of grey model GM (1,1) in applying of load forecasting, we use grey emendation GM (1,1) model. 基于灰色GM(1,1)模型在负荷预测运用中的局限性,引入分段灰色较正GM(1,1)模型;
- For the optimization of material-blending in the alumina process, a quality prediction model of raw mix slurry is proposed, which is compensated by residual grey model GM(1,1). 针对烧结法氧化铝生料浆配料过程优化的需要,提出了一种基于GM(1,1)灰色模型残差补偿的生料浆质量预测模型。
- Mingzhi Mao, E.C.Chirwa (2006), Application of Grey Model GM(1,1) to Vehicle Fatality Risk Estimation, Technological Forecasting and Social Change, 73, 588-605. 徐福灿(2004),灰色理论应用于台风降雨量推估之研究-以嘉义地区为例,成功大学水利及海洋工程学系硕士论文。
- To study the law of body weight change of Glucocorticoid rats ,The Grey model GM (1, 1) was used to analyze and forecast the change of the rats bodyweight. 长期应用糖皮质激素可造成大鼠的体重明显下降,本文用生理盐水作对照,应用灰色系统的GM(1,1)模型,对长期灌用泼尼松的大鼠体重变化进行分析和预测,从而探讨糖皮质激素对大鼠体重变化的影响规律。
- Because of lack of sufficient data, a decision maker obtained too little information from the extrapolative value to make an ineffective decision in grey model GM(1,1). 然而,也由于资料量稀少,决策者从预测值上所获得的资讯量不足而使得决策品质不佳。
- A grey model GM(1,2) is modified as GM(1,2,M,N) based on analysis of possible time-lag effect and non-linear relation between ground subsidence and groundwater extraction. 通过分析地面沉降过程与地下水开采量之间可能存在的时滞性以及非线性关系,将原有的灰色GM(1,2)模型改进为灰色GM(1,2,M,N)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。
- The result showed that,when the sequence contents smoothly curve incompletely,not only GIM(1) grey model is better than GM(1,1) one in Whitening system variable and comparable with GSM(1) one,but also its information rate is higher. 初步应用表明,在序列不完全满足光滑化条件时,GIM(1)灰色模型对系统变量的“白化”能力较GM(1,1)强,而与GSM(1)灰色模型相当,信息利用率高,是分析、预测环保投资动态发展趋势一条切实可行的途径。
- The grey model(GM) of CCE assessment is built and applied to monitor the cumulative effects arising from regular resource exploitation and utilization in bay,and Xiamen Bay is taken as a study case. 最后应用灰色评估模型对海湾常见资源开发类型的累积生态影响效应进行赋值评估。
- Aiming at time series with strong randomicity, the GM (1,1) prediction model considering slope amendatory is brought forward;such that the precision of the grey model is greatly advanced. 针对强随机性的边坡监测时间序列,提出了考虑斜率修正的灰色GM(1,1)预测模型,提高了灰色模型的建模精度。
- In the paper, a Grey Model GM (1,1) and a Metabolizing Model are used for the fire prediction of some province and compared them to provide decision references for the concerning governments. 本文通过建立GM(1,1)模型和新陈代谢模型实例预测某省火灾事故发生量,并将两种方法相比较,为相关部门提供科学的决策依据。
- Reviewing grey modeling methods in environment prediction, GAM and GM (1, 1) were discussed. Results show that each has his own strong pionts. 通过对环境预测中灰色建模方法的回顾,说明GAM和GM(1,1)模型各有所长,最重要的是建模手段的丰富
- 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。