After discussing the standard BP algorithm and its flaw, the paper presents a modified BP algorithm.

在对BP网络基本算法及其存在问题讨论的基础上，提出了一种改进的BP算法。

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Considering the limitation of classical BP algorithm, modified BP algorithm is used to train the network.

考虑到经典BP算法的缺陷，采用改进BP算法对网络进行训练学习。

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It is used modified BP algorithm to train ANN, and analyze topology of ANN and ways how to select its train parameters.

采用改进的BP算法来训练神经网络，并对网络的拓扑结构及其训练参数的选择进行了分析。

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