Modeling of Machine Tool Thermal Error Using Modified Grey DGM ( 2,1) Model 数控机床热误差的改进型灰色DGM(2,1)模型建模
The duplicating of this report is prohibited without the written approval of DGM china. 未经本公司书面批准,不得复制本报告书。
Application of modified DGM ( 1,1) models by buffer operators to load forecasting 缓冲算子修正的DGM(1,1)模型在负荷预测中的应用
Research on the Universal Architecture and the DGM Model of the Configurable MPMS Packet Switching Fabric 可重构MPMS分组交换结构的通用架构与DGM模型
Other duties assigned by dgm. 副总经理安排的其他事务。
Finally, the paper points out the mistake in using the Direct Grey Model inference in the example 7 of the literature of [ 3]. 指出了文献[3]的例7应用DGM(1,1)理论的错误。
Results showed that the concentration of DGM in the upper water column was obviously higher than that in the deep layer, with concentrations in summer significantly higher than that of the winter and spring. 结果显示:两个水库溶解性气态汞均明显表现为上层水体>下层水体,夏季>春季、冬季。
The gas-in-oil concentration of a power transformer is predicted using the GM ( 1,1) model and the DGM ( 1,1) model respectively. 分别用GM(1,1)模型和DGM(1,1)模型对变压器油中溶解气体浓度进行建模预测。
Mass transfer inside the porous electrodes was well predicted by the dusty-gas model ( DGM) and viscous and inertial terms were taken into account for the gas flow with the use of brinkman-forschheimer-dacy ( BFD) model. 在阳极与阴极多孔电极中使用尘气模型模拟气体质量传输并采用Brinkman-Forschheimer-Dacy模型来模拟多孔电极中黏性与惯性效应对气体流动的影响。
The Direct Global Matrix ( DGM) approach developed by Schmidt is applied to the numerical computation of Green function, then is implemented to the wavenumber integration of acoustic field. The most important advantage of the DGM is unconditional stability. 本文采用Schmidt的直接全局矩阵法(DGM)计算格林函数,实现声场波数积分法的数值计算,DGM最重要的优点是无条件的数值稳定性。
The DGM ( 1,1) model, as the precise form of the GM ( 1,1) model, has better precise and stability, with which it is suggested to replace the GM ( 1,1) model in gas-in-oil prediction. DGM(1,1)模型是GM(1,1)模型的精确形式,具有更高的预测精度和较好的稳定性,被推荐替代GM(1,1)模型预测变压器油中溶解气体浓度。
Conclusion The incidence of DGM in patient with duodenal ulcer related with reflux gastritis at antrum, hyperacidity and Hp infection. 结论DU患者的DGM发生率与胃窦部的反流性胃炎、胃酸分泌亢进和Hp感染等病有相关性。
Conclusions: Hp infection especially in duodenum and DGM are two major risk factors influencing appearance and development of DU. 结论Hp感染特别是十二指肠Hp定植及DGM是影响DU发生、发展的两大危险因素。
Based on our study of photophysics of DCM in different solvents, it has been suggested that propylene carbonate can. be used as a more attractive solvent for DGM lasing medium. 基于对激发态DCM分子在不同溶剂中的光物理行为研究的结果,我们曾预言丙烯碳酸酯可望用作为DCM激光工作介质更好的溶剂。
Improving of DGM ( 1,1) Model and Prediction of Supply and Demand of Graduate DGM(1,1)模型的改进与高校毕业生的供求预测
The Application of Error Remnant DGM Model on Highway Passenger Transport Volume Forecast 残差修正DGM模型在公路客运量预测中的应用
By applying Fuzzy Mathematics theory, the DGM was used to correct the digital image classification result, so as to create the regional landuse model. 并在模糊数学理论的指导下,运用数字地貌模型对影象的分层分类结果进行修正和细化。
The effect of its prediction is compared with common unimproved DGM ( 1,1) model in condition of both burst data and not-burst data. 并将该模型与一般DGM(1,1)模型,在原始数据未突变和突变两种情况下的预测效果进行了对比分析。
This paper discussed the feasibility of a numerical method for solving the GPR wave equation& Discontinuous-galerkin Method ( DGM). 本文讨论了一种求解探地雷达满足的波动方程的数值计算方法-间断有限元法(Discontinuous-GalerkinMethod)。
With the directed graph theory, the DGM model of the MPMS switching system is proposed, and the characters including neighboring relations and port reachability are defined, and the model graph is also provided. 运用有向图建模理论,提出了MPMS交换结构的有向图DGM模型,定义了DGM模型的相邻连通性和端口可达性等模型特征,并提出了MPMS的模型拓扑图。
Based on systematical description of its element mapping technique and implementation of Galerkin method and boundary condition between elements, the well-posed PML formula are applied into DGM in order to simulate the infinite computational domain. 7. 在系统地讨论该算法的单元映射、伽略金方法的实施和单元间边界条件施加的基础上,将良态提出的理想匹配层公式应用到该算法中来以精确地建模无限大的计算区域。
DGM is not only a model but also a thought of the algorithm, it can combine the quantitative factors and the qualitative factors and make a greater use of existing resources so as to seeking the road alignment of scientific and objective. DGM不只是一个模型,而是一个算法思想,可以把道路选线中的定量和定性描述的影响因素统一起来综合考虑,更大限度的利用现有的资源,实现选线的客观性和科学性。