查询词典 forecasting

According to the properties of increase trend and nonlinear seasonal fluctuation existing in monthly load, a monthly load forecasting method based on wavelet transform is proposed.

针对电力系统月负荷数据同时具有趋势增长性和季节波动性的非线性特征，提出了一种基于小波变换的月负荷预测方法。

Due to the uncertainties in forecasting health-care costs, rates of utilization, changes in government health programs, and the differences employed in nonmedical assumptions (discount rate, employee turnover, rate of pre-65 retirement, spouse-age difference, etc.), estimates of postretirement benefit costs may have a large margin of error.

由于不确定性，预测的医疗费用，使用率，改变政府卫生规划，和分歧受雇于nonmedical假设(折扣率，员工离职率前65退休，配偶年龄差异等)，估postretirement福利成本可能会有很大的误差。

Results show that nudging emission evidently improves the concentration and trend forecasting effects and has high reliability and practice.

检验结果表明"Nudging"修正技术显著改进了城市污染物的浓度预报和趋势预报效果，具有较高的可信度和应用价值。

Based on the EMI coupling paths model of the off-line PWM switched mode power supply, sensitivity analysis of the component parameters in the model can be conducted and the key component parameters will be found. This method can be used in the EMC debugging and the EMI forecasting of power electronics equipment.

在本文对离线式PWM开关电源电磁干扰传播通道所建模型基础上，可以实现对模型中各元件参数灵敏度的分析，找到关键影响参数，为开关电源电磁兼容调试和电磁干扰预测提供有效的指导。

According to the mechanical behaviors of in-service oil drilling derrick,the simulation model for forecasting the ultimate bearing capacity of oil drilling derrick was established on the basis of the double nonlinear theory .

针对在役石油钻机井架的力学特征，建立了基于双重非线性理论的极限承载仿真模型。

The paper's aim.By designing the 32bit application program that runs on the 32bit operating system of Window 98/2000/XP with Visual C++ language the paper makes the computing of the time sequence of those displacements and prediction on Bai-yun-e-bo east mine roboticized, to input the coordinate data, choice the parameterchoice menus and click the button need be done by those extended technology personnel, then forecasting the slope's Stability will be accomplished, it make those extended technology personnel free from calculating onerously , then them will devote their mind to study the theoretics.

本论文通过用美国微软公司著名的应用程序开发工具—Visual C++ 6.0编制了运行在Windows 98/2000/XP等操作系统下具有微软Internet Explorer 6.0 风格的32位应用程序，使对白云鄂博铁矿东矿边坡位移值的时间序列的计算和预测全部由计算机自动完成，一般技术人员所要做的仅仅是输入测点的空间坐标数据和预测所需要的一些参数，通过选择菜单选项和单击按钮，就能实现对白云鄂博铁矿东矿边坡失稳的预测，从而使广大技术人员从繁重的计算中解放出来，把精力放在具体的理论研究中。

Adverse forecasting factor includes that of adverse structure, adverse magmatic rock, adverse lithofacies paleogeography and adverse metamorphism.

不利预测因素包括不利的构造因素、不利的岩浆岩因素和不利的岩相古地理因素以及不利的变质作用。

This extraordinarily large forecast suggests, however, that we must be more careful in forecasting with a parabolic curve than we are when using a linear trend.

然而，这个庞大的预测数字说明，使用抛物线做出预测比使用直线趋势做出预测必须更加慎重。

Secondly the author summaries the research status of parametric estimation, forecasting volatility and model choice for stochastic volatility model.

其次，综述了随机波动模型在参数估计、波动滤波和预测、模型选择这三方面的研究进展情况。

Medium and long-term load forecasting based on partial least squares regression analysis.

基于偏最小二乘回归分析的中长期电力负荷预测。

Use nationalization degree and the relationship that commercialize degree, condition of calculable market economy plays scope of optimal and state-owned economy.

利用国有化程度与市场化程度的关系，可计算市场经济条件下最佳国有经济规模。

The kinds of extractant also effected desulfurization rate .

萃取剂对脱硫率的影响也很大，乙二胺的萃取效果优于甲醇的。