| DRHR年龄性质封闭性的注记 |
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| 引用本文： | 邱国新,李效虎.DRHR年龄性质封闭性的注记[J].兰州大学学报(自然科学版),2006,42(6):118-120. |
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| 作者姓名： | 邱国新 李效虎 |
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| 作者单位： | 兰州大学,数学与统计学院,甘肃,兰州,730000;中国人民解放军炮兵学院,基础部,安徽,合肥,230031;兰州大学,数学与统计学院,甘肃,兰州,730000 |
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| 摘 要： | 证明了递减反向失效率(DRHR)性质关于卷积运算封闭,同时证明了该性质在累积发生率是凹的非齐次泊松冲击模型中也封闭.
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| 关 键 词： | 卷积 递减反向失效率 累积发生率 非齐次泊松冲击模型 |
| 文章编号： | 0455-2059（2006）06-0118-03 |
| 收稿时间： | 12 8 2004 12:00AM |
| 修稿时间： | 2004-12-082006-05-17 |
A note on the preservation of DRHR aging property |
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| QIU Guo-xin,LI Xiao-hu.A note on the preservation of DRHR aging property[J].Journal of Lanzhou University(Natural Science),2006,42(6):118-120. |
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| Authors: | QIU Guo-xin LI Xiao-hu |
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| Institution: | 1. School of Mathematics and Statistics, Lanzhou University, Lanzhou 730000, China; 2. Department of Basic Courses, Artillery College of PLA, Hefei 230031, China |
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| Abstract: | A new proof for the preservation property of DRHR under convolution is developed. It is also shown that the DRHR property can be preserved under non-homogeneous Poisson shock model with increasing concave cumulative rate of occurrence. |
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| Keywords: | convolution cumulative rate of occurrence DRHR non-homogeneous Poisson shock model |
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