计算机应用

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基于自适应小生境递阶遗传算法的RBF均衡器

薛富强 葛临东 王彬   

  1. 信息工程大学信息工程学院 信息工程大学信息工程学院
  • 收稿日期:2008-10-21 修回日期:2008-12-15 发布日期:2009-04-01 出版日期:2009-04-01
  • 通讯作者: 薛富强

RBF equalizer based on adaptive niche hierarchy genetic algorithm

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  • Received:2008-10-21 Revised:2008-12-15 Online:2009-04-01 Published:2009-04-01
  • Contact: Fu-qiang XUE

摘要: 递阶遗传算法(HGA)一次只能确定一个最优个体。采用小生境递阶遗传算法,依据进化信息自适应调整小生境区域,在均衡数据误比特率最低,隐层中心聚类有效性最佳的基础上,可以从多个进化优解中确定出最佳结构的径向基(RBF)神经网络均衡器。仿真结果验证了算法的有效性和稳定性。

关键词: 小生境, 递阶遗传算法, RBF神经网络, 均衡器

Abstract: It is the fact that only one optimum individual can be determined by the Hierarchy Genetic Algorithm (HGA). This paper proposed a new improved hierarchy Genetic Algorithm (GA) based on the niche, in which the range of the niche could be determined by the information of the evolution. The best structure of the Radial Basis Function (RBF) neural network equalizer could be selected from several optimal solutions with the criterion of the lowest bit error rate and the best clustering degree of the hidden centers. The simulation results demonstrate that the validity and the stability of the new algorithm.

Key words: niche, Hierarchy Genetic Algorithm (HGA), Radial Basis Function (RBF) neural network, equalizer

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