Methods of GM(1,1) gray prediction, Bayesian and antecedence index were employed.
研究方法:GM(1,1)模型、贝叶斯方法及先行指标法。
Based on the uncertainty of linear model for single - inversed pendulum, a gray prediction model is built up.
基于一级倒立摆系统线性模型的不确定性,建立了灰色预测模型。
Through the application of model GM (1, 1), gray prediction model is established about population death rate of urban area in Shiyan.
应用GM(1,1)模型,对十堰市城区人口的死亡率建立灰色预测模型。
In this paper, the gray prediction is applied to the prediction of stock trends and is found highly effective on the short term basis.
本文应用“灰色预测”于股票市场的预测,发现灰色预测在短期预测中富有很高的效率。
Indicated by statistic analyses the precision of gray prediction on ultimate bearing capacity is much higher than that of other methods.
大量的统计分析表明灰色理论预测极限承载力的精度较其它方法高。
On the basis of in-situ survey data, the displacement of anti-slide pile top is predicted using the gray prediction theories of GM (1,1) model.
以现场实测资料为依据,将GM(1,1)灰色预测理论应用于桩顶位移预测。
Based on theory of engineering math, with the method of gray prediction, this paper gives a prediction to the last subsidence of a building base.
以工程数学理论为基础,运用灰色预测的方法,对建筑物基础的最终沉降变形进行预测。
Therefore gray prediction is helpful for the operators to make qualitative and quantitative analysis, which will be beneficial to UCG control and production.
“灰色预测”模型能够指导操作人员作出定性或定量分析,从而事先调控煤炭地下气化生产过程,实现连续稳定生产。
Meanwhile, the gray prediction method is applied on line, the predicted results replacing the measured value of controlled objects are used for control operation.
并将灰色预测在线应用,用其预测结果代替被控对象测量值进行控制运算。
The paper establishes a gray prediction model of the coauthor rate of the periodical thesises of Chinas medical and health science by means of the computer aided calculation.
文章采用计算机辅助建立灰色预测模型的方法,建立了中国医药卫生科学期刊论文合著率指标的灰色预测模型。
The theory and method of simulation acceleration test of life period for those equipments are introduced. The application of gray prediction of acceleration life test is studied.
在寿期试验方法方面采用了设备的模拟加速试验理论及方法,并讨论了灰色预测在加速寿命试验中的应用。
This method is more accurate than by traditional mine statistic method. Adoption of gray prediction theory, mine gas emission data was analyzed, gray prediction model of gas emiss…
利用灰色灾变预测理论,对某矿矿井工作面瓦斯涌出资料进行分析、研究,建立煤矿瓦斯涌出量灰色预测模型,并对矿井瓦斯涌出量变化趋势进行预测。
The essence of the gray prediction model is to fit the known data sequence with an exponent form to a curve, and then extend the curve to the future in order to predict the unknown data.
灰色系统预测模型的本质是对已知数据序列进行类型为指数形式的曲线拟合,然后将此曲线延伸到未来,由此对未知的数据做出预测。
A review is made of the four methods being studied and used in China and other countries: gray prediction, probabilistic statistics, artificial nerve network, and functional analysis of reliability.
评述了灰色预测方法,概率统计方法,人工神经网络方法和可靠度函数分析四种国内外正在研究和使用的方法。
Slope system is a sort of typical complex gray system, applying classical gray prediction model will engender large error in predicted value due to the high discrete degree of monitored displacement.
边坡系统是一类典型的复杂灰色系统,由于其位移监测数据离散程度较高,因此应用经典灰色预测模型往往会出现预测值偏差较大的情况。
This, with all due respect to the contrary prediction of the Old Gray Lady and US Paper of Record, the New York Times.
虽然纽约时代给出了相反的预测。
Analyzing the change laws of distance in phase space to deformation in backfill, a prediction model is built based on phase space reconstruction with gray theory.
用灰色理论研究充填体变形在相空间中相点距离的演变规律,建立了重构相空间的灰色预测模型。
Gray theory can be used in mineral resources evaluation for prediction area with little information; it can predict target area and supervise ore prospecting.
在矿产资源评价中,可以利用灰色理论的特点,来对目前只有少量信息的预测区进行评价和排序,确定预测靶区,指导找矿工作。
It improves the unequal interval gray forecast model, and the prediction precision is improved.
弥补了传统非等间距原始数据预测模型的不足,提高了灰色预测的精度。
Then an optimization model of a single goal is set up, with the application of the gray method of prediction to predict the sales volume of the unit book number.
第二步建立一个单目标的优化模型,运用灰色预测的方法预测出单位书号的销售量。
The model has the advantages of gray model and Markov mode and has a good prediction precision.
模型兼有灰色预测和马尔可夫预测的优点,预测精度较高。
The results show that while the gray system can be very successful in structural damage prediction, neural network technique is applicable to irregular structural damage detection.
结果表明,灰色理论能成功地对结构损伤进行预测,神经网络适用于此类损伤无规律对象问题的诊断。
On the basis of the experimental data of microstructure and strength for gray cast iron with high carbon equivalent, a model of support vector machine for gray cast iron prediction was established.
利用高碳当量灰铸铁组织强度试验数据,提出了一种基于支持向量机理论的灰铸铁强度预测模型。
By analyzing and comparing various prediction methods and their features, gray model prediction method can be used for predicting the medium-term regional electrical load.
通过对各种预测方法及特点的分析比较,得出用灰色模型预测方法作为地区电力负荷中期预测的方法,且该方法误差小、精度高。
By analyzing short time traffic flow time sequence property, the gray system theory is used for short time traffic flow prediction and the scrolling GM (1, 1) prediction model is set up.
通过分析短时交通流时序特性,将灰色系统理论应用于短时交通流预测,建立了滚动GM(1,1)预测模型。
Maximum entropy spectrum analysis method is used in cycle analysis of hydrodynamic conditions, and then the author makes prediction with gray model.
对水动力条件采用极大熵谱分析法进行周期分析,并用灰色模型进行预测。
A good forecast result has been concluded with a topological prediction model of gray system theory based on the observation data of ground water table in Lanxi County.
地下水枯水期水位预报对春季农业生产具有重要意义,利用兰西县地下水水位观测资料,应用灰色系统理论的拓扑预测建立模型进行预测,取得了较好的结。
In this paper, the theory of gray system is adopted to study the time series prediction of the leaching rate of in-situ blasting and leaching ore.
采用灰色系统理论对原地爆破浸出率的时间序列预测问题进行了研究。
In this paper, the theory of gray system is adopted to study the time series prediction of the leaching rate of in-situ blasting and leaching ore.
采用灰色系统理论对原地爆破浸出率的时间序列预测问题进行了研究。
应用推荐