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- The main conclusions are as follow: 1. probability distributions of three scalars (concentration of CO2、water vapor and temperature) can be described by exponential distribution. 主要结论如下:1.;湍流观测量(温度、水汽和二氧化碳浓度)的概率分布可以用指数分布来描述。二氧化碳浓度、水汽和温度的概率分布通常会偏斜。
- Exponential distribution is applied widely in the areas of queuing theory and reliability theory. 指数分布在排队论和可靠性理论等领域应用广泛。
- For the jump upward model, the assumption about exponential distribution is not needed. 对于上跳模型;则解析表示的推出不需要指数分布的假定.
- Then the MRBF is calculated with the data offered by France which follow the exponential distribution. 并根据法国所提供的舰炮部件可靠性数据,按指数分布计算了系统的平均故障间隔发数。
- The ATF loops or hairiness mainly centre at the height 0.5 and 1.0 mm,the amount decreasing with the height increasing,with exponential distribution. 空变丝丝圈丝弧或毛羽主要集中在高度为0.;5mm和1
- This paper presents moment estimation of the progressive stress accelerated life testing under exponential distribution censored samples. 摘要讨论了指数分布场合下序进应力加速寿命试验的矩估计问题。
- The life curve of the transformer is different from life curve of the electronic product and it disobeys the exponential distribution. 变压器的寿命曲线与电子产品的寿命曲线不同,并不服从指数分布。
- Under many conditions, as verified from outcrop data, fracture length is theoretically expected to follow an exponential distribution. 根据许多条件,并验证了从野外露头资料,断裂长度理论的预想为后续指数分布。
- Two iterated algorithms of estimating parameter in exponential distribution from interval censored data are introduced. Under certain conditions the procedures are convergent. 本文讨论区间数据情况下;指数分布参数的估计.;引入了两种叠代方法;证明了在一定的条件下;叠代过程的收敛性
- Finally, the optimization quantity of spare parts following exponential distribution are calculated with both this method and analysable method.The two results fit well. 最后利用一个指数分布实例对解析方法和仿真方法计算出的结果进行比较,从而对所提出的仿真方法进行了检验。
- The time distribution of a complex process generally is a normal or Weibull distribution, and that of a simple and high reliable process is exponential distribution. 其中,复杂作业工序的过程时间一般呈现为正态分布或者威布尔分布,简单及可靠性高的工序作业过程时间一般表现为指数分布。
- A model of granular chute flow was employed, which indicates that the velocity obeys exponential distribution and the flow rate is a function of chute angle and flow thickness. 建立了颗粒斜槽流的数学模型,流层的速度为指数分布,流量为斜槽倾角和流层厚度的函数。
- The approach assessing lower (upper) limits of maintainability, MTTR, maximum repair time and median repair time are presented, when the repair time obeys the exponential distribution, (log) normal distribution. 对维修时间服从指数、正态、对数正态分布的情况,本文给出了评定维修性、MTTR、最大维修时间、中位维修时间的置信上(下)限方法。
- Abraham (2002) presented and proved that the envelope of the sum of finite complex random variables, whose amplitude obeys exponential distribution and phase obeys uniform distribution, is K distributed. Abraham(2002)从海底散射的物理现象出发,提出并证明了有限个幅度服从指数分布,相位服从均匀分布的复随机变量之和的模服从K分布。
- The simulation results show that the novel dual adaption reduces the gap from the fading channel capacity to 2 dB when assuming different services occur in equal probability and the service duration follows exponential distribution. 仿真结果表明;在假设所有媒体业务以等概率出现、业务持续时间服从指数分布时;该新颖的双重自适应技术可达到距衰落信道容量2dB的优异性能.
- Gamma distribution Gamma(a,b)(in which:a>0,b>0) is always used as a prior distribution of Bayesian exponential distribution reliability growth model. Different value of a and b will make considerable difference in evaluating results. Gamma分布Gamma(a ,b) (其中a >0 ,b>0 ) ,通常用来作指数分布Bayes可靠性增长模型的先验分布 ,参数a和b的不同 ,将使可靠性增长试验的评估结果有很大的差异。
- The MLE of the parameter in accelerated life testing step-stress models under the exponential distribution condition based on the grouped data is presented, and the average life of the product under designed stress is obtained. 对指数分布场合下的寿命分布进行研究,简单步进应力加速寿命试验中,在观察时间间隔不相等的条件下,对所获得的分组数据为寿命数据,给出加速方程中未知参数的极大似然估计(MLE),从而计算出常应力下产品的平均寿命。
- Abstract: Two iterated algorithms of estimating parameter in exponential distribution from interval censored data are introduced.Under certain conditions the procedures are convergent. 摘 要: 本文讨论区间数据情况下;指数分布参数的估计.;引入了两种叠代方法;证明了在一定的条件下;叠代过程的收敛性
- Based on the Euler’s friction law, the internal force in a flexible belt surrounded in a fixed cylinder is exponential distribution when it is in critical status, or just before macroscopic slipping. 绕在固定圆轮上柔软的皮带处于滑动临界状态时,皮带内力随角度指数变化即欧拉公式。
- two-sided exponential distribution 双侧指数分布