| 参数调整对气象预测的B-P网络模型性能的影响 |
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| 引用本文： | 邓新民,顾永刚.参数调整对气象预测的B-P网络模型性能的影响[J].成都信息工程学院学报,1998(1). |
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| 作者姓名： | 邓新民 顾永刚 |
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| 作者单位： | 成都气象学院 |
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| 摘 要： | 为了探索ＢＰ网络的参数调整特性，进行了参数α、β的选取对ＢＰ算法的收敛速度和模型的稳定性的影响研究。通过ＢＰ网络用于气象预测建模的参数调整个例分析表明：参数α、β的取值对ＢＰ模型的稳定性无显著影响，但参数值的调整尤其是β值的调整对建模的收敛速度有明显的影响。
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| 关 键 词： | 参数调整，人工神经网络，B-P算法，模型特性，气象预测 |
EFFECT OF PARAMETER ADJUSTMENT ON FEATURE OF B P NETWORK MODEL OF METEOROLOGICAL FORECASTING |
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| Deng,Xinmin,Gu,Yonggang.EFFECT OF PARAMETER ADJUSTMENT ON FEATURE OF B P NETWORK MODEL OF METEOROLOGICAL FORECASTING[J].Journal of Chengdu University of Information Technology,1998(1). |
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| Authors: | Deng Xinmin Gu Yonggang |
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| Institution: | Chengdu Institute of Meteorology |
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| Abstract: | The effect of the convergence speed and stability of B P algorithm based on the selection of parameters are studied to investigate the adjustable feature of parameters of B P network.The results of analysing some cases of B P network applied to the parameters adjustment of meteorological forecast modelling show that the valuation of parameters affects the B P network model not so markedly,but the adjustment of parameters affects the convergence speed of modelling markedly. |
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| Keywords: | Parameter adjustment Artificial neural network B P algorithm Model feature Meteorological forecast |
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