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一种可修系统稳态可用度的广义置信区间

Keywords: 稳态可用度,广义置信限,对数正态分布,逆高斯分布

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Abstract:

利用广义推断方法研究了工作时间服从对数正态分布且参数皆未知,维修时间服从逆高斯分布情形下,可修系统稳态可用度的广义置信区间估计问题.模拟结果表明,用该法构造的广义置信下限在样本量较小时有较好的表现,且随着样本量增大置信下限越来越精确,在模拟的各种样本数量情形下,经验覆盖率都非常接近于名义水平.

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