It can be used for verifying the reliability of NC program and forecasting the machining process. 它为验证数控程序的可靠性,预测切削过程提供了强有力的工具。
Petri Net-based Modeling and Analysis of Collaborative Demand Forecasting Process 基于Petri网的供应链协同需求预测流程模型
Neural network forecasting method of process parameters for forming composite bar products by semi-solid state extrusion 复合材料棒材半固态挤压工艺参数的神经网络预测方法
This paper analyzes comprehensively on the continuous snowfall process, and advances the foundation of forecasting this snowfall process. 对连续性降雪过程进行了综合分析,提出了该类降雪过程的预报着眼点。
This paper focuses on collaborative forecasting process of collaborative planning, forecasting and replenishment ( CPFR) and establishes a forecasting model. 文章研究了联合计划、预测和补货(CPFR)中的联合预测流程,并建立了相关的预测模型。
The improved algorithm is applied to the forecasting of cold-rolling process, and the results show its efficiency. 将该改进算法应用于冷轧生产预测中,实验结果表明了该改进的算法的有效性。
There is much error in flood forecasting process due to the limited model and the inadequate real-time information, however, it is an effective method based on the hydrograph interactive technology to reduce the forecasting error. 由于预报模型的局限性和实时信息的不完善,洪水预报过程存在许多误差,而基于图形交互式修正技术是消除预报误差的有效手段。
Combining the forecasting of finish size of machined parts with the forecasting of process capability in a machining process, a principle and method of feed back compensative control is proposed in this paper. 将机械加工过程中的加工尺寸预测与工艺能力预测结合起来,提出对加工尺寸进行反馈补偿控制的原理和方法,并在加工实验的基础上利用计算机进行了仿真研究。
Spatial load forecasting is a process distributing the total forecasted load to all partitioned area, and involving more spatial information and more factor influencing application of the future small area, which need a great deal of memory space and longer operation time. 空间电力负荷预测是一个将总量负荷预测分配到供电小区的过程,涉及空间信息量多,影响其未来小区使用的因素也多,这就需要大量的存储空间和较长的运算时间。
Analysis and Forecasting of the Process from Drought to rain in Shandong Province in June, 1994 94.6山东久旱转雨过程的分析与预报
Temperature forecasting in VD process using the combination of pattern recognition methods and neural network models 基于模式识别和神经网络的VD温度预报模型
Based on phase space reconstruction, the conclusion was got. it can be seen that weighting and fitting method of approximation superior to method of least squares in both theory and practical calculation during calculated method by forecasting the process of Heihe daily river inflow series. 在相空间重构的基础上,通过对黑河河水日径流量具体预测过程采用一阶线性预测法的具体算法中得出近似拟合加权法在理论上和实际计算上优越于最小二乘法的结论。
Research on Fault Diagnosis and Forecasting Methods of Complex Process Industry System 复杂过程工业系统故障诊断与预测方法的研究
In economic field, the time series models are important methods in describing and forecasting the objective economic process. 在经济领域中,运用时间序列模型来进行客观经济过程的描述和预测是一个非常重要的方法。
Precipitation prediction in the groundwater simulation forecasting process 地下水模拟预报过程中降水量的预报
The Study of Industrial Ecology Evolution Forecasting Process Based on Logistic Equation 基于Logistic方程的工业生态化演化进程预测研究
The model can be used in forecasting the process of soil loss, soil water infiltration and the runoff under different forest stands on granite mountain slopes of the middle reaches of the Yangtze River. 该模型可用于长江三峡地区花岗岩坡面不同林地的土壤流失过程、土壤水分下渗和地表径流过程模拟。
In this paper, according to the traits of electric demand forecasting models, the management information systems for electric demand forecasting is presented, which provide the forecasting process with information support and aid decision. The system is analysed and designed in detail. 本文根据电力需求预测模型的特点,提出了能给预测过程提供信息支持和辅助决策的管理信息系统,并对系统进行了详细的分析和设计。
Method of Forecasting Regional Sandstorm Process in Spring on Seasonal Scale 季以上尺度预报春季区域性沙尘暴过程的方法研究
In this method, PSO is used to optimize connection weights of forward-back neural network until the learning error has tended to stability, Then we use BP algorithm with optimized weights to finish short-term load forecasting process. 论文用粒子群算法来训练网络参数,直到误差趋于一稳定值,然后用优化的权值用于BP算法。
The investigation indicates the restriction relation of chip and its barrier surfaces, obtained by chip movement contrail, is effective study approach of forecasting the process of chip-forming and chip-breaking, which builds up the theoretical foundation of designing and optimizing groove. 研究表明,根据切屑空间运动轨迹获得切屑与障碍物之间的作用关系,是研究预报切屑形成与折断过程的有效途径,为进行刀片槽型优选及设计奠定理论基础。
At the same time, train assistant operation system which makes great use of advanced computer technology can get reasonable solutions by simulating and forecasting the process of train running. 列车辅助驾驶系统利用了先进的计算机技术对运行过程进行模拟计算和预测仿真,获得了合理、优化的操纵方案。
A model for forecasting sediment delivery process of small watershed flood under storms in sub-region No.1 of the gullied rolling loess regions 黄丘一副区小流域暴雨洪水输沙过程预报模型
Prediction model for network security situation base on Elman neural network is established in this paper. Research and Implement the prediction algorithm and forecasting process, and verify the validity of the model with practical examples. 建立了基于Elman神经网络的网络安全态势预测模型,研究并实现了其预测算法和基本预测流程,并通过实例分析验证该模型的有效性。
In the forecasting process, because the model prediction error made by gray model is relatively large, the results were needed to be corrected. 在预测过程中,由于预测误差相对较大,需要对结果进行修正。
These five processes are in accordance with the before and after order is calculation process, forecasting process, the ability to determine process, the motivation process and the transfer process ( doney, 1997). 这五种过程按照形成的前后顺序分别是计算过程、预测过程、能力判断过程、动机过程和转移过程(Doney,1997)。
Life prediction method is designed in this paper according to least squares theory, and kinds of situation which will appear in the forecasting process are discussed. 本文利用设备历史数据,根据最小二乘法理论,设计了寿命预测方法,并且对预测过程中可能出现的情况进行了讨论,该方法能够对风力发电机在短期内的运行情况进行预测。
Based on the above understanding, this article, in the forecasting process, thought that all economic trends under normal circumstances should be growth. 基于以上认识,本文在预测过程中,认为所有的经济发展趋势在正常情况下都应该是增长的。
For plantation ecosystem, knowing its C accumulation condition and spatial-temporal distribution law well can help assessing and forecasting the dynamic process of forest stand growth and development, which can provide sufficient theory and practice basis for scientific and rational stand management in future. 对于人工林而言,掌握其生态系统碳累积现状及时空分布规律,据此评价并预测林分生长发育的动态过程,能为林分进行科学合理的经营管理提供依据。
The history of sales forecasting being applied to the clothing field is not long, lack of experience in the understanding of the forecasting process, and the accuracy and applicability of forecast methods led to a lot of problems in the previous studies. 销售预测在服装领域的研究时间还不长,在实践中对预测程序和预测方法的准确性、适用性等缺乏比较全面的了解,在实际预测时遇到不少问题。