in the active noise control system we apply neural network control method and derive neural network bp algorithm.
在噪声主动控制系统中采用神经网络控制方法,给出了神经网络bp算法的一种变异算法。
neural network bp training algorithm based on gradient descend technique may lead to entrapment in local optimum so that the network inaccurately classifies input patterns.
基于梯度下降的神经网络训练算法易于陷入局部最小,从而使网络不能对输入模式进行準确分类。
this paper gives an approach on quantitatively forecasting catchment sediment yield with neural network bp model.
引入人工神经网络bp模型对流域产沙进行了定量预测。
by using the fuzzy optimization neural network bp approach the forecasting of ice formation is carried out. this method is applied to forecast the freeze-up date and break-up date of the yellow river.
本文在分析影响凌汛成因因素的基础上,选取合适的预报因子,基于模糊优选神经网络bp模型,提出冰凌预报方法,应用于黄河内蒙段封河、开河日期的预报。