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三参数威布尔分布参数估计方法
The Estimation Method for Three Parameters of Weibull Distribution
【摘要】 提出了估计威布尔分布三参数的二阶矩方法和应用无约束优化方法求解似然函数的方法.这两种方法简单,尤其适用于工程上.
【Abstract】 The two moment method is presented to estimate the three parameters of Weibull distribution,and the method for unconstrained optimization is proposed to solve the maximum likelihood function.The two methods are easy to use and suitable for engineering application. [
【关键词】 可靠性;
威布尔分布;
参数估计;
二阶矩方法;
似然函数;
无约束优化;
【Key words】 reliability; weibull distribution; estimation parameters; two moment method; likelihood function; unconstrained optimization.;
【Key words】 reliability; weibull distribution; estimation parameters; two moment method; likelihood function; unconstrained optimization.;
- 【文献出处】 沈阳工业学院学报 , 编辑部邮箱 ,1997年04期
- 【分类号】TH128
- 【被引频次】22
- 【下载频次】499