The results reveal that the combined forecasting model is more effective.

结果表明,此组合预测平均误差和预测平方根误差均较小.

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Period superposition forecasting model is a practical method in mid - to - long - term hydrological forecasting.

摘要周期迭加预报是 中长期 水文预报的一种实用模型.

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Runoff forecasting was further made by combing the Markov - based rainfall forecasting model and distributed rainfall - runoff model.

进一步结合马可夫 链型 态之降雨预报模式与分布型降雨 - 迳流模式来探讨短期即时洪水预报.

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It also establishes the mining ecological environment quality forecasting index system and the forecasting model.

建立了矿区生态环境质量预警指标体系及预警模型.

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The safety thickness of roof forecasting model is obtained by stepwise regression analysis.

本文最后还分析了顶拱裂隙对安全顶板厚度的影响.

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At last, using the chosen eigenvector and kernel function build dam deformation forecasting model.

最后利用选定的特征向量及核函数建立大坝变形预测模型.

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Accordingly , a regression forecasting model and nonlinear combined forecasting model based on ANN are built.

在此基础上建立了神经网络回归预测模型.

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