The mid and long term forecast model based on the time series analysis has a good forecast effect.
建立在时间序列分析基础上的中长期预报模型具有很好的预报效果，可以用于作业预报。
With the model, three dimensions FEM rheology analysis to Xia Liujia is finished, and the stress at different time distortion rule are gained, the long-term work character is forecast.
最后用该模型对下六甲面板堆石坝作了三维有限元蠕变分析，得到坝体在不同时期的应力及变形规律，预测了坝体长期的工作性态。
Because of the inherent bias in the traditional grey-forecasting model and the fixed choice of its parameter, the forecast precision is relatively low and unsuitable to the long-term forecasting.
由于传统灰色预测模型固有的偏差和模型参数的固定选择，导致预测精度较低，不适应中长期负荷预测。
Based on statistic analysis, a comprehensive analysis prediction model for middle and long term hydrological forecast was presented.
依统计分析，建立了水文中长期预报的一个综合分析预测模式。
A forecast model for long-term weather forecast is established in terms of a BP neural network using solar-lunar positions as input factors.
采用误差反传前向网络（简称BP网络）方法，以日、月相概率作为输入因子，建立长期天气预报模型。
Combining with the advanced water resource dispatch project of Yunnan Power Group, the ANN model is successfully applied to mid-long term forecast system of water resource.
结合云南电力集团水调高级自动化工程项目，将本文的人工神经网络模型应用到中长期水情预报软件系统中，取得了较好的效果。
This model is not suited to forecast the accidents in long term with randomness and great changed data.
这种模型不适合长期的、随机和波动性较大的数据序列预测。
Finally, this model with the data obtained in Hubei province in June 2003 was validated. The results show that this model is very suitable for great extent, long-term drought detection and forecast.
通过2003年湖北干旱的实例验证了此模型，结果显示此模型能很好的用于干旱预警与监测。
Meanwhile, it is obtained the combined model of mid-long term load forecast based on the 1-order and 2-order improved forecast effectiveness optimum principle.
给出了基于一阶和二阶改进预测有效度最优级原则的中长期负荷组合预测模型。
Meanwhile, it is obtained the combined model of mid-long term load forecast based on the 1-order and 2-order improved forecast effectiveness optimum principle.
给出了基于一阶和二阶改进预测有效度最优级原则的中长期负荷组合预测模型。
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