| 1. | Reliability characteristic of a product is the core for the quality of product
摘要产品的可靠性是产品质量的核心。 |
| 2. | A modificatory mle model has been put forward to reduce the estimate error of reliability characteristic parameter in case of the little fail data
本文提出一个极大似然估计( mle )的修正模型( mmle ) ，以减小采用mle在小子样情况下可靠性特征量的估计误差。 |
| 3. | A bayes method and a classic method have also been put forward in this paper , which are used to estimate the reliability characteristic parameter in case of the zero fail data
本文还将提出采用分级bayes方法对电器无失效数据进行可靠性特征量的点估计。为寻求无失效数据的区间估计算法，本文给出一种构造置信下限的经典方法。 |
| 4. | Then , took least squares estimator of test data as preliminary estimate , applied versatile maximum likelihood estimate method to treat test data , obtained the estimators of electrical connectors reliability characteristic values
并以试验数据的最小二乘估计值为初始值，应用极大似然估计方法对试验数据进行统计处理，得出了电连接器可靠性特征值的估计值。 |
| 5. | Fifth , through statistical analysis of electrical connector accelerated life test data , verified that the reliability statistical model of electrical connector and the reliability statistical method under doof data are both correct . applied the maximum likelihood estimate method with the least squares estimator of test data as preliminary estimate and weighted least square estimate method separate to treat the different kind test data , obtained the estimator of electrical connector reliability characteristic values
第五，采用极大似然估计法和加权最小二乘法对电连接器加速寿命试验数据进行了统计分析，得到了电连接器可靠性特征量的估计值，验证了电连接器可靠性统计模型和doof数据下可靠性分析方法的正确性。 |
| 6. | Two new methods have been put forward to estimate the reliability characteristic parameter . a software package has been developed to process the data obtained from reliability testing for electric apparatus . it consists of both the determination of failure distribution and the estimation of reliability characteristic parameter
最后，设计出电器可靠性试验数据处理软件包，此软件包含了产品失效分布类型的确定和可靠性试验结果为大子样、小子样、无失效数据时可靠性特征量的估计方法，以及恒定应力加速寿命试验数据下的可靠性特征量的估计方法。 |
