| BP网络的抗干扰性研究及误差分析 |
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| 引用本文： | 孙德保,高超.BP网络的抗干扰性研究及误差分析[J].华中科技大学学报(自然科学版),1994(8). |
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| 作者姓名： | 孙德保 高超 |
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| 作者单位： | 华中理工大学自动控制工程系 |
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| 摘 要： | 从ＢＰ网络对信息存储的分布式特点出发，分析了连接权系数及输入变化对输出的影响，探讨了ＢＰ网络的容错性及抗干扰特性，得出了一些有益的结论。
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| 关 键 词： | BP网络 抗干扰性 容错性 |
Error Analysis and Anti-Interference of Back Propagation Neural Networks |
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| Sun DebaoDept.of Auto,Contr.Engin .,H .U .S.T.,Wuhan ,China. Gao Chao.Error Analysis and Anti-Interference of Back Propagation Neural Networks[J].JOURNAL OF HUAZHONG UNIVERSITY OF SCIENCE AND TECHNOLOGY.NATURE SCIENCE,1994(8). |
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| Authors: | Sun DebaoDeptof Auto ContrEngin H U ST Wuhan China Gao Chao |
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| Institution: | Sun DebaoDept.of Auto,Contr.Engin .,H .U .S.T.,Wuhan 430074,China. Gao Chao |
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| Abstract: | Based on the feature of distributed storage of information in BPNN(Back PripagationNeural Networks),the influences of connecting weight coefficients between nodes and thevariation of input on output are discussed; The anti-interference performance of BPNN is in-vestigated and some useful conclusions have been drawn, namely,because the output func-tion of nodes is of the sigmoid type,BPNN can reduce the effect of the variation of the con-necting weights on the output nodes;the anti-interference of BPNN decreases gradually;fora three-level BPNN,the influence of the input noise on hte output depends on WV,the prod-uct of two connecting weight matrices. |
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| Keywords: | BP neural networks anti-interference fault-tolerance |
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