双应力下恒定应力加速寿命试验的最优线性不变估计  

BEST LINEAR INVARIANT ESTIMATION OF TWIN-STRESS ACCELERATED LIFE TEST

作　　者：孙利民[1] 夏爱生[1] 周学清[1] 

机构地区：[1]军事交通学院基础部,天津300161

出　　处：《安徽师范大学学报（自然科学版）》2001年第2期116-119,共4页Journal of Anhui Normal University(Natural Science)

摘　　要：推导了两个应力下恒加试验中加速方程的三个系数A0 ,A1,A2 基于最优线性无偏估计的最优线性不变估计 ,并证明该估计好于传统的不变估计 。This paper introduces a new BLIE (Best Linear Invariable Estimation), based on BLUE(Best unbiased estimation), of the three coefficients of the acceleration equation in the in-stress acceleration life test, and proves that the estimation is superior to the traditional estimation, improving the BLUE accuracy in the case of small samples.

关 键 词：恒加试验 最优线性无偏估计 最优线性不变估计 可靠性 

分 类 号：O212.6[理学—概率论与数理统计] O213.2[理学—数学]