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 forecasting is an important part of the grey system theory.
灰色预测是灰色系统理论的一个重要组成部分。
This thesis try to put forward some ideas about the effects of optimized grey forecasting method and grey evaluating method in the economy system analysis.
本文就试图从优化的灰色预测方法和优化的灰色评估方法在经济系统分析中的作用这一问题提出一些思路。
This thesis describes the method of installating models for forecasting landslide time by applying the "Grey System" theory.
本文应用灰色系统理论阐述了滑坡剧滑时间预测模型的建模方法。
Estimation of parameters are very important in grey GM (1, 1) forecasting model.
在灰色g(1,1)预测模型中,参数的估计是非常重要的。
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。
After analyzing the data on railway freight volume of recent years, the authors establish the railway freight volume forecasting model by use of grey theory.
通过对近年全国铁路货运量的统计数据进行分析,运用灰色理论建立了铁路货运量预测模型。
The establishment of grey forecast model in Zhuzhou Station has shown better accuracy while forecasting the passenger volume and thus offered reference for passenger flow organization.
通过建立株洲站旅客发送量的灰色预测模型,说明利用灰色模型预测铁路客运量具有良好的精度,可以为客流组织提供依据。
The establishment of grey forecast model in Zhuzhou Station has shown better accuracy while forecasting the passenger volume and thus offered reference for passenger flow organ.
通过建立株洲站旅客发送量的灰色预测模型,说明利用灰色模型预测铁路客运量具有良好的精度,可以为客流组织提供依据。
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。
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。
Meanwhile, grey wave forecasting of grey system theory is explained, and the method is applied to economic cycle index forecasting.
阐明了灰色系统理论中灰色波形预测的方法,并将该方法应用到经济循环指数预测中。
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。
The application of grey data mining model in the management and decision of logistics enterprises has proved that the grey forecasting model and clustering model is effective and of practical value.
灰色数据挖掘模型在物流企业的管理决策问题中的应用证明了基于灰色系统理论的灰色预测和聚类模型是有效的、具有实用价值的数据挖掘模型。
Grey wave forecasting of grey system theory is applied to economic cycle index forecasting. The forecasting result is highly closed to the reality.
成功地将灰色系统的波形预测方法运用到经济循环指数预测中,得到了与实际经济波动高度吻合的结果。
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。
It gives satisfactory result in the reverse-analysis of grey forecasting of 1985 "6.12" landslide disaster at Xintan site.
该法通过对新滩1985年“6·12”滑坡灾变灰色预测的反演分析,取得了令人满意的结果。
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。
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 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。
The design procedures and application of grey forecasting control to rotor system are proposed and studied.
分析了转子系统灰色预测控制设计方法及应用。
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。
The paper uses the forecasting method of grey system theory and builds the forecasting model of real estate production value of Guangzhou city based on the data from 1999 to 2004.
采用灰色系统理论的预测方法,以1999~2004年广州市的房地产产值为基础数据,建立了广州市房地产产值预测模型,并在此基础上对广州市区未来的房地产产值进行了预测。
The GM(1, 1) model of grey system theory is introduced into the service forecasting of the civil telephone network programming. Compared with other forecasting models, the result obtained is better.
将灰色系统理论的GM(1,1)模型引入到市话网规划中的业务预测部分,并用GM(1,1)模型同其他预测模型做了比较,取得较好结果。
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。
Regression analysis, grey-system and exponential smoothing method are in common use as forecasting methods of maritime accidents nowadays.
回归分析法、灰色系统模型法和指数平滑法是目前常用的水上交通事故预测方法。
The result shows that the combination forecasting model is of higher precision and more reliability comparing with the grey forecasting and non-linear models.
结果表明,与单项预测模型相比,组合模型的预测精度高,预测结果更加可靠。
Because of the inherent bias in the traditional grey-forecasting model and the fixed choice of its parameter, the forecast precision is relatively low and unsuitable to the long-term forecasting.
由于传统灰色预测模型固有的偏差和模型参数的固定选择,导致预测精度较低,不适应中长期负荷预测。
Based on the grey system study of oil and gas information, the grey positioning method for forecasting geophysical anomaly of oil and gas trap is put forward.
基于油气信息灰色系统研究,提出了油气物探异常灰色定位预测法。
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。
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