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·494· 北京科技大学学报 1997年第5期 参考文献 I Reed R.Pruning Algorithms -A Survey.IEEE Trans NN,1993,4(5):740~747 2 Mozer M C.Smokensky P.Skeletonization:A Technique For Trimming the fat From a Network via Relevance Assessment.Advances in Neural Information Processing 1989.(1):107~115 3雷鸣,尹申明、杨叔子,神经网络自适应学习研究.系统工程与电子技术,1994(3):19~27 Two Improved Study Algorithms for Neural Network Structure Wang Kecheng Wang Kejun?Yu Datai 1)Information Engineering School,UST Beijing,Beijing 100083,China 2)Department of Automatic Control,Harbin Engineering University,Harbin 150001,China ABSTRACT Based on the two Neural Network Study algorithim:Sensitivity Calculation and Self Constructing,two improved algorithm are proposed,which are proved to be better than the original algorithms by the experiments. KEY WORD neuraln network,structure study algorithm,sensitivity calculation (上接489页) Object-Oriented Application System Design Based on Multithreading under Windows NT Wang Chengvao Li Xiushan Pang Wei Inrormation Engineering School.UST Beijing,Beijing 100083.China ABSTRACT Under Windows NT,an object-oriented table-driven method is proposed, which can be used to implement multithreaded processes and synchronize the startup shutdown of multiple processes.A general implementation framework is described for designing multitasked application.The key advantages of this framework are to utilize system resources and to achieve simultaneous execution of multiple tasks. KEY WORDS multiprocess,multithread,synchronization,Windows NT, 北 京 科 技 大 学 学 报 年 第 期 参 考 文 献 一 , , 一 , 一 一 雷 鸣 , 尹 申明 , 杨叔 子 神经 网络 自适 应学 习研究 系 统工程 与 电子技术 , 一 环 价 人 ‘ 肋 , 刀 ‘ 块 , , , , , 出 , , , 拓 姗 , , 上接 页 一 瀚 阴邵,口 百 , , , 环全 一 , , 一 一 俪 , , ,
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