| 多元Freund型指数分布的特征及参数估计 |
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| 引用本文： | 李国安.多元Freund型指数分布的特征及参数估计[J].宁波大学学报(理工版),2006,19(1):9-13. |
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| 作者姓名： | 李国安 |
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| 作者单位： | 宁波大学,理学院,浙江,宁波,315211 |
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| 摘 要： | 利用分布密度分拆的思想，导出了二元及多元Freund型指数分布的一个特征，利用该特征，获得了二元及多元Freund型指数分布参数的最大似然估计及矩估计，还给出了强度服从二元Freund型指数分布时并联结构系统的可靠度估计及模拟．
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| 关 键 词： | Freund型 多元指数分布 特征 最大似然估计 矩估计 可靠度 模拟 |
| 文章编号： | 1001-5132（2006）01-0009-05 |
| 收稿时间： | 2005-09-07 |
| 修稿时间： | 2005-09-07 |
Characteristics and Parameter Estimation of the Multivariate Freund Exponential Distribution |
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| LI Guo-an.Characteristics and Parameter Estimation of the Multivariate Freund Exponential Distribution[J].Journal of Ningbo University(Natural Science and Engineering Edition),2006,19(1):9-13. |
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| Authors: | LI Guo-an |
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| Institution: | Faculty of Science, Ningbo University, Ningbo 315211, China |
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| Abstract: | Based on partitioning technique of distribution density, a characteristic of the multivariate exponential distribution of Freund is derived. Using the characteristic found, the maximum likelihood estimators and the moment estimators of parameters of the multivariate exponential distribution of Freund are obtained. In addition, the estimator of reliability is given for parallel structural system with strength showing the bi-variate exponential Freund distribution, and finally some relevant simulation results are presented. |
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| Keywords: | type of Freund multivariate exponential distribution characterization maximum likelihood estima- tor moment estimator reliability simulation |
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