失效率

混合模型中失效率函数的性质与混合分布族

On the property of failure rate in mixed model and mixing distribution

失效率为指数函数的模型中使用屏蔽数据的参数估计

Parameter estimation in exponential failure rate model using masked data

GM计数管失效率试验与评价

The G-M Counter 's Failure Rate Test and Comments

砷化镓单片开关在最高工作温度85°C、置信度90%下失效率λ小于400Fit，完全满足产品的使用要求。

The failure rate of switch MMICs is less than 400 Fit at the maximum operating temerature 85 ° C at a 90 % confidence level , so the products meet the customer requirements .

采用概率分布的方法，对WSN节点的生存概率、失效率和平均寿命等可靠性度量指标进行了分析。

The paper analyses the reliability measurement target of WSN node such as : average life , invalid ration and so on .

当失效率为指数函数，假定未知参数的先验分布为对称的三角分布时给出了参数的极大似然估计和Bayes估计；

The maximum likelihood and Bayes estimates of these parameters are deduced when the failure rates of the system components are assumed to be exponential with different parameters .

采用恒定电流应力对薄栅氧化层MOS电容进行了TDDB评价实验，提出了精确测量和表征陷阱密度及累积失效率的方法。

TDDB evaluation experiments are implemented on the thin gate oxides MOS capacitor , and a method of precise measurement and characterization the trap density and accumulative failure are presented .

文章提出和论述了评价超高压（EHV）输电线路绝缘子可靠性的五项准则：寿命周期、失效率、失效检出率、事故率和可靠性试验。

Five reliability appraisal norms of insulators for EHV transmission line are presented and expounded in this paper : service life , inactivation rate , identification rate of inactivation , failure rate and reliability tests .

采用恒定电流应力对超薄栅氧化层MOS电容进行了TDDB评价实验，提出了精确测量和表征陷阱密度超薄栅氧化层经时击穿效应与可靠性仿真技术研究和累积失效率的方法。

TDDB evaluation experiments are carried out with constant current stress on MOS capacitors with ultra-thin gate oxides , and a method of precise measurement and characterization of the trap density and accumulative failure is presented .

理论与实验结果表明，噪声幅值越大，电流指数越接近于2，则器件的可靠性越差，相同工作条件下CTR的老化衰减量越大，其失效率显著增大。

This proves by theory and experiment that the larger the noise magnitude , the closer the current exponent is to 2 , leading to the degradation of device reliability and significant degradation of the CTR .

本文讨论指数分布定数截尾情形下失效率函数的经验Bayes（EB）检验问题，利用核估计方法构造了EB检验函数并获得了它的收敛速度，最后给出一个满足定理条件的例子。

In this paper , we study the empirical Bayes ( EB ) test problem of the failure function based on type II censored samples in the exponential distribution . The EB test rule has been constructed by kernel estimation method . The convergence rates are established .

具有时变失效率传感器的网络控制系统可靠性分析

Reliability analysis of networked control system with time-varying failure rate sensors

然而，在应用中，高失效率仍在继续。

However , in the application , high failure rates continued .

求解贮存失效率的条件中位数算法改进

Improving of Conditional Median Algorithm for Estimating Storage Failure Rate

提出了动态的区间失效率、总失效率和修复率的新概念。

The new concepts about dynamic failure rate and repair rate were raised .

射向变化对跑道失效率的影响分析

Influence of the Change of Fire Direction on Damage Probability of the Runway

浴盆形失效率函数剩余寿命的性质及其应用

The Residual Life Time of Bathtub-alike Failure Rate Function : Properties and Applications

具有浴盆形失效率的一种混合分布模型

A Mixture Model With Bathtub Shaped Failure Rate

失效率曲线的分析与新修正模型的建立

Failures Rate Curve Analysis and Modifying Model

截尾情形下失效率的估计

Estimations of Failure Rate Under Random Censorship

晶体管非工作期失效率预计

Nonoperating Failure Rate Prediction for Transistors

比例失效率模型的年龄性质及反失效率加型脆弱模型的年龄性质和随机序比较

Ageing Properties of Proportional Hazard Rate Model and Reversed Hazard Frailty Model and Stochastic Order Comparison

两种子母弹抛撒模型对跑道失效率的影响分析

Analysis of How two Kinds of Cast Model of Cluster-Warhead Effect on the Destroy Probability of the Runway

基于该方法，分析了某高可靠长寿命航天机电产品的可靠性、失效率及平均故障时间与失效阈值的关系。

The relations between reliability , failure rate , MTBF and failure threshold are analyzed by this method .

结果：213例中34例发生内固定失效，失效率16%。

Results : 34 ( 16 % ) of the 213 cases had an invalidity of internal fixation .

鉴于此，本文从累积失效率出发给出了系统结构函数的另外一种定义。

So , the paper gives another definition of systematic construction function from accumulated invalid rate of systems .

失效率的一种截尾非参数估计及其均方收敛和强相合速度

The Rates of Convergence in the Mean Square and Strong Consistency of a Nonparametric Estimator Terminated for Failure Rate

该法综合考虑评估和统计的不确定性，利用概率生成函数，根据权值来获得系统多重失效率的均值和方差。

Moments and variances of multi-failure rates are obtained in terms of the weights by using probability generating functions .

对球轴承失效率的分析和计算表明，适当降低轴承零件摩擦表面弹性模量有利于降低球轴承的失效率。

According to analysis and calculation , to reduce proper bearing element friction surface rigidity modulus is beneficial to decrease failure .

性能稳定，无间断工作，具有看门狗功能，非法断电开关机失效率低；

Stable performance , work without interruption ," Watchdog " special feature and low failure rate of illegal power and shutdown ;