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黄安山 《上海理工大学学报(社会科学版)》1991,(3)
本文介绍了两种新的规范电路。导出了计算这两种规范电路参数的显式公式,还推广了两位学者的有关定理,使之也适用于新的规范电路。本文设计的规范电路表明,实现蔡氏电路族的规范电路不是唯一的。而其中改造的蔡氏电路也许是最好的一种。 相似文献
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新三维分段线性混沌系统 总被引:4,自引:0,他引:4
提出了一个新三维分段线性混沌系统,研究了新系统的对称性和不变性、耗散性和吸引子的存在性、平衡点及稳定性等基本动力学特性。利用相轨图、庞加莱映射、李雅普诺夫指数谱和分岔图等数值仿真手段,验证了该系统能运行在混沌和周期轨道,具有丰富的动力学行为,并能通过一个常数控制器控制到不同形状混沌吸引子的混沌轨道或周期轨道或一个有界点。 相似文献
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Paul H. Garthwaite Shafeeqah A. Al-Awadhi Fadlalla G. Elfadaly David J. Jenkinson 《Journal of applied statistics》2013,40(1):59-75
An elicitation method is proposed for quantifying subjective opinion about the regression coefficients of a generalized linear model. Opinion between a continuous predictor variable and the dependent variable is modelled by a piecewise-linear function, giving a flexible model that can represent a wide variety of opinion. To quantify his or her opinions, the expert uses an interactive computer program, performing assessment tasks that involve drawing graphs and bar-charts to specify medians and other quantiles. Opinion about the regression coefficients is represented by a multivariate normal distribution whose parameters are determined from the assessments. It is practical to use the procedure with models containing a large number of parameters. This is illustrated through practical examples and the benefit from using prior knowledge is examined through cross-validation. 相似文献
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