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灰色模型     
相关语句
  grey model
     Improvement and discussion on grey model GM(1,1) and GM(2,1)
     灰色模型GM(1,1)与GM(2,1)的改进和探讨
短句来源
     Objective To discuss the grey model GM(1,1,0.2).
     目的 论述灰色模型 GM(1,1,0 .2 )。
短句来源
     The Optimization of Grey Model GM (1,1)
     灰色模型GM(1,1)优化
短句来源
     The Application of Grey Model GM(1,1,0.2) in Medical Statistics Forecast
     灰色模型GM(1,1,0.2)在医学统计预测中的应用
短句来源
     The predictive incidence rates of tuberculosis from 2004 to 2008 in Wujin district were estimated as 60.73, 62.38, 64.09, 65.84 and 67.63 per 100,000 after using Grey model (1,1);
     用灰色模型预测2004~2008 年结核病发病率分别为60.73/10万、62.38/10 万、64.09/10 万、65.84/10 万和67.63/10 万;
短句来源
更多       
  gray model
     The Gray Model (GM(1,1)) has been improved with the difference scheme and a new Gray Model GM(1,1,λ) has been constructed in this paper. If λ=0.5 the model GM(1,1,λ) is the model GM(1,1).
     用差分格式将灰色模型 GM(1,1)模型推广为 GM(1,1,λ)模型 ,λ=0 .5即为 GM(1,1)模型 ;
短句来源
     By combining gray model GM(1,n)and GM(1,1)SSODMM optimal,it improve the intrinsic accuracy of individual model.
     该模型通过对灰色模型GM(1,n)与GM(1,1)SSODMM优化组合后,提高了各单项模型原有的预测精度。
短句来源
     Application of BP Neural Network and GM(1,1) Gray Model in Road Passenger Traffic Estimation
     BP神经网络和GM(1,1)灰色模型在公路客运量预测中的应用
短句来源
     Predicting Tendency of Futures by Gray Model GM (1,1) 
     应用灰色模型GM(1,1)预测期货走向(英文)
短句来源
     Study of the gray model on corrossion prediction of electroless Ni-P plating
     Ni-P化学镀腐蚀预测灰色模型研究
短句来源
更多       
  grey models
     Curriculum Difficulty: Its Grey Models[GM_s(1,1)]
     对中小学课程难度灰色模型GM_s(1,1)的探索
短句来源
     From the modified forecasting model. We forecast the gross value of industrial outputof 1990. It's forecasting error is only 4.14%. This illustrates that from the family of grey models
     修正后预测出1990年的工业总产值的预测误差仅为4.14%,这表明,在灰色模型簇中筛选最优预测模型,并在此基础上建立被残差修正后的灰色预测模型,从而提高灰色模型的预测精度。
短句来源
     Among the grey models the GM(1,1)model fits to data best and can also he used as growth equation of poplars.
     在灰色模型中.以GM(1,1)模拟效果最好,也可作为杨树生长模型.
短句来源
     Evaluation on statistical and grey models to predict daily SARS cases
     SARS病例数的统计学与灰色模型预测效果评价
短句来源
     Grey Models in Analysis of The Agricultural Economic System and Their Applications
     农业经济系统分析中的灰色模型及应用
短句来源
更多       
  gray models
     Application of Non-linear Gray Models in Total Pollutant Quality Forecast
     非线性灰色模型在污染物总量预测中的应用
短句来源
     Prediction of conductivity of hydraulic fracturing induced fractures with gray models
     用灰色模型预测水力压裂缝导流能力
短句来源
     The authors conducted systematical study on warning index system and warning method of atmospheric environment,water resources,noises,ecological quality,and environment quality in coalmines. They used gray models to forecast environment quality in coalmines and established classificatory warning index with environment quality,which made the level of future environment quality visual and gave their study more management and application value.
     对煤矿区大气环境、水环境、噪声、矿区生态质量以及矿区生态环境质量预警指标体系及方法等进行了系统研究,选用了灰色模型来进行矿区生态环境质量的预测,并结合生态环境质量分级设立预警指标,使未来生态环境质量水平直观化,使研究更具有管理和应用价值。
短句来源
     The gray model used in load forecasting is built up,and the gray model is used,which has three kinds of different ranks to estimate the load. According to that gray models estimate existed bigger error and change violently,evidential theory is put forward to carry fusion on errors of forecasting results.
     首先建立负荷预测的灰色模型,用3种不同阶数的灰色模型对负荷进行预测,针对灰色模型预测存在误差较大且误差变化剧烈的缺点,提出利用证据理论对负荷预测结果进行融合。
短句来源
     The paper,by demonstrating and analyzing the application of the Grey system Theory in the stock market,is not only to improve on Gray Model and establish five best-equal-dimension-newly-information gray models,but also to bring forward a new classified method which aims to forecast and classify of all stock's closing price every week in Shanghai.
     文章通过实证分析灰色系统理论在证券市场中的应用,不仅改进了灰色模型,建立了五种灰色最佳等维新息模型预测,并针对上海证券市场上所有股票价格的预测分析及分类,提出了一种新的分类方法。
短句来源
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  grey model
An improved grey model for corrosion prediction of tank bottom
      
This paper presents a grey model Verhulst based method for stage-effort estimation during software development process, a bias correction technology was used to improve the estimation accuracy.
      
Dynamic grey model of verification cycle and lifecycle of measuring instrument and its application
      
Combining dynamic grey model and auto-manufacturing case the controlling and information subsystems of verification cycle and the lifecycle based on information integration, multi-sensor controlling and management controlling were given.
      
Hybrid grey model to forecast monitoring series with seasonality
      
更多          
  gray model
The error in determining the resulting heat fluxes is investigated numerically in a system of bodies for a gray model and a selectively gray model of radiation.
      
The black model of medium size (both height and width) elicited higher rates of fixation, peering, and strike responses than the large, small, or gray model.
      
Monte Carlo simulation has been used with a narrow band non-gray model to investigate radiative transfer.
      
The SNB narrow-band gray model over-predicts the flame speed while the optically thin model significantly under-predicts the flame speed.
      
  grey models
Two dynamic grey models DGM (1, 1) for the verification cycle and the lifecycle of measuring instrument based on time sequence and frequency sequence were set up, according to the statistical feature of examination data and weighting method.
      
They were combined with the GM(1,1) model to form hybrid grey models.
      
  gray models
Three different gray models were proposed in order to assess the effect of the gray assumption on the heat-transfer characteristics.
      
Significant deviations in some of these results were found between the nongray model and the gray models.
      
  其他


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