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- The example indicates that the model has highly forecasting precision. 实例表明,该模型预报精度较高。
- The result of an example shows that the prediction and forecasting precision are preferable. 实例表明本预测模型的拟合和预测精度均较好。
- The practice shows that the method can improve forecasting precision effectively and has better robusticity. 实践证明,该方法能够有效提高预测精度,并具有较强的实用性。
- Objective To improve the forecasting precision of the incidence rate of deafness induced by instable state noise. 目的提高非稳态噪声性耳聋发病率预测精度。
- From many cases, the results show that the forecasting precision of CFM is very high and the effect of regression is remarkable. 通过实例分析 ,表明组合预测模型的预测精度很高 ,回归效果很显著
- Through the example, it indicate that segmentation grey model has higher fitting precision and forecast precision. 通过实例应用表明,分段灰色校正模型具有较高的拟合精度和预测精度。
- It has been showed that its forecasting precision is preferable to the-conventional soft-sensing model by simulating study. 仿真研究结果表明:具有多步记忆的软测量模型其预测精度高于常规软测量模型。
- The conclusion showed that, this method has the higher forecast precision, has the better actual value. 结论说明,此方法具有更高的预测精度,有较好的实际应用价值。
- The selection of the modeling data, data's pretreatment of power load forecasting and their effects on forecasting precision are discussed mainly. 摘要著重论述了电力负荷预测中建模数据的选择、预处理方法及其对预测精度的影响。
- The example shows that neural network can obtain the satisfied forecast precision and the reliable forecast results. 实例表明,神经网络可以取得满意的预测精度,预测的结果更加可靠。
- According to the application of average discharge a year and time rank at Tongmeng Station of Nen River,it shows that we are satisfied with the model and forecast precision. 通过嫩江同盟站年平均流量时间序列的应用表明,该模型的预报精度满足要求。
- The method deduces the forecast effectiveness of single and combined forecast by introducing confidence field and improving forecast precision matrix. 通过引入可信赖域,改进预测精度矩阵,来推导单个预测和组合预测的阶预测有效度。
- A best gery model with grey parameter is established to forecast the power forward prices finally, and a good result is obtained in improving the forecasting precision. 最后建立了灰参数的期货电价预测模型,达到了提高预测精度的目的。
- The simulated results on the prediction of stock price show that the improved approach possesses better forecasting precision than the conventional models. 对股票价格数据进行预测的数值模拟结果表明,改进算法比常规模型具有更好的预测精度。
- The model makes use of GA to modify the power value of network to construct anagenesis model, shorten time of practice and study, improve the forecast precision of model. 模型利用遗传算法来修改网络的连接权值,构筑进化型的神经网络模型,缩短网络学习训练时间,提高模型预测精度。
- This paper extends traditional newsboy model with time-based wholesale price and time-based forecasting precision under normally distributed market demanding, discusses the optimal decision about ordering timing and ordering quantity. 本文扩展了传统的报童模型,以批发价和需求预测精度随时间变化的报童问题为对象,研究市场需求函数为正态分布的报童模型关于最佳订货时点和最优订货量的决策问题。
- In order to improve forecast precision,a hybrid forecasting method based on Empirical Mode Decomposition(EMD) and Least Square Support Vector Machine(LS-SVM) is presented in this paper. 为了进行有效的预测,提高预测精度,提出将经验模式分解EMD(Empirical Mode Decomposition)和最小二乘支持向量机LS-SVM(Least Square Support Vector Machine)相结合对短期负荷进行预测。
- Results show that the forecasting precision and the explaining ability of GME method is higher than the least square method, the partial least square method and the principal component analysis. 结果表明:广义最大熵回归方法的预则精度与解释能力优于最小二乘法和偏最小二乘法以及主成分方法;
- Although the forecasting precision of neural network model need to advance, its quantificational index can offer reference for earthquake resistance and disaster mitigation of government. 虽然提出的神经网络模型预测精度还有待提高,但其量化指标仍可为地震灾区政府抗震减灾工作提供参考。
- Application results in a real network shows that the combined model improves the forecasting precision compare with individual model, and makes the forecasting results more reasonable and impersonal. 通过对实际网络流量的预测与测量,表明与单一预测模型相比,该综合模型的预测精度有了明显的提高,预测结果更合理、客观。