According to the sequence of the soil creeping failure time under different loading conditions, a grey forecasting model for the failure time in the course of soil creeping is established.
根据不同载荷条件下土体蠕变破坏的时间数据列,建立了土体流变破坏时间的灰色预测模型。
In this paper, a Daqing area epidemic encephalitis diseases forecasting model making use of grey system theory proposed by professor Deng Julong and method of weight function was built.
本文利用邓聚龙教授提出的灰色系统理论,采用权函数生成法,建立了大庆地区流脑疾病的预测模型。
Grey GM (1, 1) is a model for forecasting maritime accident quantity.
灰色GM(1,1)是一种水上交通事故量预测模型。
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。
It was used in grey forecasting for the leaching rate of a laboratory simulation test on an uranium ore and "residual test method" and "grey relevance degree test method" were used for checking.
应用该模型对某铀矿石室内模拟试验的浸出率进行灰色预测,采用“残差检验法”和“灰关联度检验法”进行检验。
Weighted harmonic means combination forecasting based on degree of reciprocal grey incidence is a new kind of nonlinear combination forecasting method.
基于倒数灰色关联度的加权调和平均组合预测模型是一种新的非线性组合预测模型。
This paper use grey forecasting model and unbiased grey forecasting model to test a series of slope data, and the results indicate that both methods are valid and the later is more accurate.
本文采用传统灰色预测模型和无偏灰色预测模型对边坡变形进行预测,预测结果表明,两种模型都是有效的, 无偏灰色预测模型的精度更高。
A new forecasting model the Equal Dimension Grey Data Dynamic forecasting model Corrected by Remnant Error was proposed based on the Grey System Theory.
根据灰色系统理论,提出一种残差修正的等维灰数据动态预测模型。
It is not necessary to assume the concrete stochastic process model for a repairable system when we estimate the failure hour by means of the grey forecasting model.
认为运用灰色预测模型来估计可修复系统的故障时刻,不必假定系统的随机过程模型。
According to the speciality of electricity demand development in a city, the grey neural network model GNNM (1, 1) was introduced into the field of city electricity demand forecasting in this paper.
针对城市电力系统年用电量增长的特点,将灰色神经网络模型GNNM(1,1)引入城市年用电量预测。
According to the properties of model in grey forecasting theory, bi-auto-seeking-weight method was proposed and applied to forecast the economic sequences which rise and fall by a wide margin.
并对波动幅度较大的经济序列进行预测,表明该方法可以有效地提高预测精度。
This paper use grey forecasting model and unbiased grey forecasting model to test a series of slope data, and the results indicate that both methods are valid and the later is more accurate.
采用传统灰色预测模型和无偏灰色预测模型对边坡变形进行预测,预测结果表明,两种模型都是有效的,无偏灰色预测模型的精度更高。
Grey generating is a method of transfering the grey process into white process. It can provide middle information for grey forecasting modeling and weaken the randomness of the raw data.
灰生成是使灰过程变白的数据变换方法,能为灰预测建模提供中间信息,并弱化原始数据的随机性,在灰色系统建模理论中具有显赫的地位。
A new annual power load forecasting method is proposed based on orthogonal design and grey system theory in this paper.
基于正交设计和灰色系统理论,提出一种预测年电力负荷的新方法。
It widens the applied scope of grey system clustering evaluation and provides a new scientific method for forecasting water inrush in the coal mine.
该方法在煤矿突水中的应用进一步拓宽了灰色聚类理论的应用范围,并为煤矿突水的准确预报提供了一种新的方法。
By forecasting a case and comparing it with the method of grey system forecasting model, we can see that the forecast results are very close.
通过实例预测并与灰色系统预测模型方法进行比较,结果表明,其预测值相当接近。
This paper attempts to use two kinds of mathematical model of grey system theory, presents a forecasting method of grey hazard of landslide.
本文试图引用灰色系统理论两种不同的数学模型,提出了滑坡灰色灾变预测法。
By using the grey model to simulate and forecast the above sequence data, and through forecasting a certain regional yeild by the anti-formula that pushed the commercial real estate market value.
本文利用灰色系统模型所得数据序列进行模拟与预测,进而通过对某一区域的收益还原率进行预测并由反推公式得出该商业地产的市场价值。
Case study shows that this method is more accurate and faster than single grey prediction and single neural network method. It is a useful method for long term load forecasting.
最后采用我国某省年用电量的预测的算例表明该方法的预测精度优于单一的灰色预测和单一的神经网络预测方法,为电力系统长期负荷预测提供了一种有用的方法。
Weighted geometric means combination forecasting based on degree of logarithm grey incidence is a new kind of nonlinear combination forecasting method.
基于倒数灰色关联度的加权调和平均组合预测模型是一种新的非线性组合预测模型。
A variable parameter value rolling grey forecasting model (RGM) is constructed, which makes an enhancement to the fixed parameter value RGM.
在固定参数动态灰色预测模型基础之上进行改进,提出了可变参数动态灰色预测模型。
The dynamic data forecasting model of ground settlement is studied, a new prediction model of grey-time serial with time-varying parameters characters is proposed.
研究了隧洞施工中地表沉降动态预测模型,提出了时变参数灰色—时序动态预测模型,并建立了一种改进的时变灰色模型。
In this paper, the characteristics of the conventional grey-forecasting model are discussed, the fact that the conventional grey-forecasting model is a biased exponential model is testified.
研究了传统灰色预测模型的特性,证明了传统灰色预测模型是有偏差的指数模型,并在此基础上提出了无偏灰色预测模型。
A grey system forecasting method used to forecast the interannual sea ice condition is presented.
本文利用灰色系统方法进行海冰年际预报。
In view of weekly periodicity and daily periodicity of hourly load, a periodic ratio grey model for hourly load forecasting has been set up with grey system theory.
鉴于时负荷的日周期性及周周期性,基于灰色系统理论,提出一种周期比值灰色预测模型,对未来24小时负荷进行预测。
By analyzing the characteristics of conventional Grey-forecasting model, people find it is in fact a biased exponential model.
人们对传统灰色预测模型特性进行分析,发现该模型实际上是一种有偏差的指数模型。
By analyzing the characteristics of conventional Grey-forecasting model, people find it is in fact a biased exponential model.
人们对传统灰色预测模型特性进行分析,发现该模型实际上是一种有偏差的指数模型。
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