Such as the return of specific prediction method, smoothing index, grey model prediction, BP neural network, RBF neural network .
具体如回归预测法、指数平滑法、灰色模型预测法、BP神经网络法、RBF神经网络法。
From the reinforced cost management, it analyzed the characteristic of the crude oil unit cost, and the stepped grey model of the crude oil unit production cost was established.
从加强成本管理的角度出发,分析了原油单位生产成本特点,建立了原油单位生产成本的阶跃灰色模型。
Time data sequence on existing annual power consumption are dealt with by using principles of grey production, thus establishing GM(1, 1) grey model. Finally, a example is given.
并用灰色预测理论对该系统现有的年用电量时间数据序列进行处理,进而建立了GM(1,1)预测数学模型,最后提供了预测实例。
The relationship between the grey model(GM(1,1) model) and the discrete grey model(DGM(1,1) model) is analyzed, and their prediction precisions and stabilities are discussed.
分析了灰色预测模型GM(1,1)和离散灰色预测模型DGM(1,1)两者之间的关系,讨论了模型预测的准确性和稳定性。
AIM: the transdermal absorption data of sinomenine patch was fitted by grey model GM (1, 1) and compared with other models.
目的:对青藤碱贴剂的透皮吸收数据进行灰色GM(1,1)模型拟合并与相关模型进行比较。
Among most curve fit methods, grey model curve can be used to describe embankment settlement.
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。
Random and volatile data of road traffic accidents show poor fitness and low accuracy if forecast by means of the traditional grey model GM (1, 1).
采用传统灰色GM(1,1)模型预测道路交通事故这类随机性、波动性较大的数据,存在拟合较差、精度不足等问题。
The dynamic swing index transformation method of firsthand data sequence and GPPM (1) grey model is studed and set up.
研究提出了原始数据序列的动态摆动指数变换方法和GPPM(1)灰色模型。
Based on the data sequence of oil unit operation cost from 1999 to 2005 in Talimu oilfield, yearly operation cost prediction is conducted successfully by using GM (1, 1) grey model.
该文以塔里木油田1999年到2005年的原油单位操作成本数据序列为依据,利用GM(1,1)灰色模型,进行了年度操作成本预测,并得到了较好的结果。
The derivative of dispersed function doesn't exist, so that, how to deal with the derivative is the key to set up grey model.
由于离散函数的导数不存在,因此,如何处理导数信号,是建立灰色模型的关键。
We deal with original data sets and set up a grey model with grey prediction method.
提出用灰色预测的方法,对基金的走势进行预测。
The monitoring technique of rock mass acoustic emission is of wide use in the stope stability. A grey model GM (1.1) for scientific forecasting was presented in this paper.
岩体声发射监测技术已广泛应用于采场稳定性研究中,文中提出了能进行科学预报的灰色GM(1.1)模型。
Aiming at the modeling mechanism and limitation of traditional grey model, puts forward the improvement method, and sets up the new electric power load forecast model.
针对传统灰色模型的建模机理和存在的局限性,提出了改进方法,建立了新的电力负荷预测模型。
To the least data modeling of GM, this paper presents an idea of"3+1"to build the grey model and demonstrates the validity of it.
针对灰色建模的最少数据问题,提出了3+1建模思想,证明只需三个测量点数据就可建立灰色模型。
Based on ideals of improving on forecasting precision of the grey model, an improved grey forecasting algorithm was given.
基于改进灰色模型预测精度的思想,给出了一种改进的灰色模型预测算法。
The paper integrates integer programming and grey model, then gives the grey integer programming model of searching submarine, provides test method and resolution step, finally illustrates it.
将整数规划与灰色模型相结合,建立了对潜搜索的灰色整数规划模型,给出了检验方法和求解步骤,并举例分析说明。
A direct generalized predictive control algorithm of MIMO systems based on multivariable grey model is presented.
基于多变量灰色系统模型,提出了一种MIMO系统的广义预测控制直接算法。
Based on an example, the basic grey model, other improved models and combination grey model are used to forecast power load and results of all models are analyzed and compared.
以实际算例为基础,应用基本灰色预测模型和传统改进模型以及组合灰色预测模型分别对电力负荷进行了预测,并进行了分析比较。
As above, the contest price strategy of generation companies is composed of Competitive Bidding Strategies model, Future Contract and Grey model.
上述方法中,将竞价策略模型与期货合约,灰色模型结合在一起组成发电厂商的竞价策略。
Grey model is the important content in grey system theory, many problems such as grey forecasting, grey policymaking and grey estimating are solved by setting up grey model.
灰色模型是灰色系统理论的重要内容,灰色预测、灰色决策、灰色评估等许多理论都是通过建立灰色模型来处理的。
A grey model (GM) of annual demand was established, this upgrades the precision of demand prediction to first class.
并建立了年用电量灰色动态模型(GM)。使测量的电量达到一级精度。
The naval vessel bearing series is a kind of time series, which contains grey information. The Grey Model Theory is a strong weapon of dealing with grey information.
舰船方位序列是一种带有灰色信息的时间序列,灰色系统理论是处理灰色信息的有力武器。
Based on grey space relationship, a grey model, for condition evaluation of auxiliary equipment in power plant, is built.
基于灰色位关联度,建立了一个电站辅机状态评价的灰色模型。
In this paper, the hardness of the shallow groundwater was treated as a grey variable and the GM (1, 1) grey model was created to predict the future trend of the change in hardness.
本文将市区的浅层地下水硬度作为灰色量,用已有的硬度数据建立GM(1,1)灰色模型,预测其未来的变化趋势。
It is testified by instance that the relative error of stimulated annealing grey model is smaller than traditional grey model's and it has improved the prediction precision.
经过实例检验,改进的模拟退火-灰色模型的相对误差比传统灰色模型小的多,提高了预测精度。
It is testified by instance that the relative error of stimulated annealing grey model is smaller than traditional grey model's and it has improved the prediction precision.
经过实例检验,改进的模拟退火-灰色模型的相对误差比传统灰色模型小的多,提高了预测精度。
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