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科技文献出版延迟对文献时效规律的影响
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作者 杨静 邹梅 《情报科学》 CSSCI 2000年第12期1062-1063,共2页
本文将文献稳态时效规律与出版延迟规律视为对数正态分布函数 ,并对其进行数学分析处理 ,给出了两者共同作用下的文献时效规律曲线。
关键词 科技文献 出版延迟 时效规律 对数正态分布函数
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IEEE学会著作集的出版问题
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作者 王玫 《管理观察》 1995年第5期42-42,共1页
关键词 IEEE 出版延迟 预定变化 系列杂志 出版活动 准备工作 代表性 和压缩 篇幅
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Exponential stability of memristor-based synchronous switching neural networks with time delays
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作者 Yinlu Jiang Chuandong Li 《International Journal of Biomathematics》 2016年第1期301-318,共18页
In this paper, we study the existence, uniqueness and stability of memristor-based syn- chronous switching neural networks with time delays. Several criteria of exponential stability are given by introducing multiple ... In this paper, we study the existence, uniqueness and stability of memristor-based syn- chronous switching neural networks with time delays. Several criteria of exponential stability are given by introducing multiple Lyapunov functions. In comparison with the existing publications on simplice memristive neural networks or switching neural net- works, we consider a system with a series of switchings, these switchings are assumed to be synchronous with memristive switching mechanism. Moreover, the proposed stability conditions are straightforward and convenient and can reflect the impact of time delay on the stability. Two examples are also presented to illustrate the effectiveness of the theoretical results. 展开更多
关键词 Memristor-based synchronous switching neural networks exponential stabi-lity time delays Lyapunov functions.
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