第二类Chebyshev前向神经网络权值直接确定及结构自适应确定:《大连海事大学学报》2009年01期

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第二类Chebyshev前向神经网络权值直接确定及结构自适应确定水利论文3FGWD&]N#Zm

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8c-Cn [g n}0z0【摘要】:为克服BP神经网络模型及其学习算法中的固有缺陷,构造了第二类Chebyshev前向神经网络模型,提出该神经网络模型权值直接确定法和结构自适应确定法.理论分析及仿真实验均表明,该系统弥补了BP神经网络的某些固有缺陷.相比同构型BP神经网络,其计算速度和工作精度均有大幅提高.水利论文;M.V HYd}2?Vsq

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广东海洋大学信息学院;中山大学信息科学与技术学院;水利论文xw1zPH)j#s

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CM8aStG0神经网络 正交多项式 权值直接确定 网络结构 自适应水利论文kE,MU(?9h9b

kZMbF%E0【基金】:国家自然科学基金资助项目(60643004;60775050)水利论文&D2U-N8L0Wl;|/G

a)o&H]3E:S/q0中山大学科研启动费、后备重点课题资助项目水利论文f}2Rd1K#{W~Y5n

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,g9EY+GT%b9_00引言人工神经网络以其并行处理、分布式存储、自学习自适应、高度容错能力等特性而受到研究者的广泛关注[1].目前,已经有数十种神经网络在信号、图像处理、人工智能、模式识别等领域得到广泛应用[2-4].其中,BP神经网络[5]的应用最为广泛.BP神经网络采用误差后向传播学习算法水利论文5Q\xs_Vdp

下一篇:改进型遗传神经网络在模式分类中的应用:《大连海事大学学报》2009年01期
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