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The analysis of a TT&C radar's reliability growth test
Author(s): 
Pages: 8-11
Year: Issue:  2
Journal: ELECTRONIC PRODUCT RELIABILITY AND ENVIRONMENTAL TESTING

Keyword:  可靠性增长试验航天测控雷达模型极大似然估计;
Abstract: 论述了某航天测控雷达的可靠性增长试验,首先指出了单台(套)电子产品实施可靠性增长试验的局限性,在此工程背景下,提出了适用于航天测控雷达可靠性增长的等效试验方法,并运用工程上常用的增长模型--AMSAA模型结合两次联试阶段截尾数据计算,得到了雷达平均寿命的数学表达式,从而揭示了航天测控雷达在设计定型后装备使用前的调整过程中的可靠性增长规律,最后采用两阶段截尾时刻的平均寿命估计值是否落在指数分布MTBF验证值的置信区间内的检测手段,验证了该方法的正确性.
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