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Multi-scale RBF Prediction Model of Runoff Based on EMD Method

机译:基于EMD方法的径流多尺度RBF预测模型

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Runoff prediction is an important element in the study field of hydrology and water resources. Point to non-linear, chaotic character and with the noise characteristics Run-off signals, we propose a new model based on empirical mode decomposition (EMD) and the RBF neural network (RBF). First, runoff time series will be broken down into a series of different scales intrinsic mode function imf by EMD, Second, the denoise and phase-space reconstruction will be done. The third, we predict each component by RBF. Finally, we reconstruct the final prediction value by each component. Simulation results show that the method have a high accuracy in denoising and prediction of the runoff sequence.
机译:径流预测是水文和水资源研究领域的重要因素。指向非线性,混沌字符和噪声特性耗尽信号,我们提出了一种基于经验模型分解(EMD)和RBF神经网络(RBF)的新模型。首先,径流时间序列将被分解为一系列不同的尺度内在模式功能IMF,第二次,即将到达去代表和相位空间重建。第三,我们通过RBF预测每个组件。最后,我们通过每个组件重建最终预测值。仿真结果表明,该方法具有高精度的径向和预测径流序列。

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