【摘要】 讨论双应力交叉步进加速寿命试验在获得混合分组数据情况下参数的极大似然估计问题.当产品的寿命服从指数分布,利用EM算法给出参数极大似然估计的迭代式,并提供迭代运算的初值.更多还原

【Abstract】 This paper mainly discusses estimators of parameters in accelerated life model with step-double-stress based on mixed grouped data.When the products’ life distribution is exponential,it presents the equations for most likelihood estimators of parameters by EM algorithm and provides initial values for parameters.更多还原