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exponential distribution中文是什么意思

  • 指数分布;指数分配
  • 指数函数分布
  • 指数型分配

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  • 例句与用法
  • Abstract : the sample breakdown point of a test is defined as the smallest proportion of arbitrary outlier in the sample that reverses the test decision . in this paper , wegive the sample breakdown point of a test for maximum likelihood estimate of exponential distribution parameter and analyze the asymptotically normal characteristic of the sample breakdown point
    文摘:如何量化一种统计方法对异常值的不敏感性一直是稳健统计研究的一个重要课题.检验的样本崩溃点是样本中能逆转判决的离群值的最小比例.在研究相关文献的基础上,计算出指数分布参数极大似然估计检验的样本崩溃点,并分析了样本崩溃点的渐近正态性,为量化统计方法的稳健性提供了一种新的途径
  • The paper explored the pdf of the spatial distribution of the day precipitation . the result shows that the weibull distribution is good on describing the heterogeneous of the spatial distribution of the day precipitation in china . the exponential distribution is n ' t ideally suited to the day precipitation
    利用负指数分布和weibull分布拟合全国范围内的逐日降水水平空间概率分布模式,发现负指数分布模式并不能很好的拟合大范围区域逐日降水量场空间分布型,而weibull分布的拟合效果很好,表明用weibull分布描述中国区域逐日降水量空间分布非均匀性的分布律是非常适宜的。
  • At first , by using the feature that the excess delays of nlos propagation follow the exponential distribution , the los propagation parameters are reconstructed and the toa parameters measured from all bs are preprocessed . then , the ms ' s position is estimated by the los locating algorithm with the preprocessed data . finally , to mitigate the effect of the errors in reconstructed parameters , the estimated results are smoothed
    首先,利用非视距传播时延服从指数分布的特点,对不同基站一次测量的数据进行预处理,重构视距传输参量;然后,对处理后的数据采用视距定位算法估计移动台位置;最后,对估计结果进行平滑后处理,以减小重构出的参量误差的影响,进一步提高定位精度。
  • First of all , least square method and modified maximum likelihood estimation of zero - failure data for the exponential distribution , the weibull distribution , the normal distribution and the logarithm normal distribution are given , among them , the bayes method in the estimation to the failure probability is introduced
    首先,分别采用最小二乘法和修正极大似然估计法对指数分布、 weibull分布、正态及对数正态分布的无失效数据处理进行了研究,其中,在对失效概率的估计中引入了bayes方法。
  • In this thesis , the critical components of pcs are analyzed and tested in detail . i present the scheme of reliability qualification test of capacitors , furthermore , analyze the sampling inspection scheme theoretically for capacitors and put forward the proposals to improve this scheme . for most of components in pcs with high reliability or long lifecycle , which need great investment of time and material for their reliability tests , this paper provides a new and effective statistical method for this kind of components - the progressive stress accelerated life testing with exponential distribution
    可靠性试验也是可靠性工程的重要组成部分,能源系统许多元器件为高可靠性、长寿命器件,且大部分是非标准器件,为保证整个系统的可靠性,必须对备选元器件进行可靠性试验,本文对能源系统关键器件进行了详细的试验分析,给出了电容器的鉴定试验方案,对其抽样试验方案进行了理论分析并给出了方案改进建议。
  • In chapter2 , we discuss the step - stress accelerated life test . under typei and typeii censoring of data from the exponential distribution , we first present a necessary and sufficient condition for the existence and uniqueness of the maximum likelihood estimators of the parameters for the distribution , then give two confidence intervals based on the mle . finally , we compare them with results obtained in [ 8 ] by using monte - carlo simulation
    本文第二章首先给出了指数分布场合下步进应力加速寿命试验定时和定数截尾的mle的存在和唯一的充要条件,然后给出了正常应力下平均寿命的近似置信区间,最后用随机模拟的方法研究了mle的点估计的偏性和均方误差,近似置信区间覆盖真值的比率并与其它方法作了比较。
  • There are several problems in scalable and reliable multicast , such as , feedback implosion and local recovery , etc . aim at to solve the problem of feedback implosion , we discuss carefully how to set the timer to avoid the nack implosion in receiver - initiated , integrate fec system . we propose two methods : divided time equally and based on exponential distribution to set timers , divided time unequally and based on exponential distribution to set timers . by analyzing for up to 10 receivers , both of them can avoid the nack implosion and feedback delay due to timers is low
    在可伸缩可靠多描通信中存在反馈信息爆炸、局部恢复数据困难等问题,为了解决反馈信息爆炸的问题,本文针对基于接收者启动、使用集成fec的系统,详细讨论了如何使用定时器避免nack爆炸,提出了设置定时器时间的两种方法:基于指数分布、均匀分段方法和基于指数分布、非均匀分段方法,并且分析了它们抑制nack的能力和由定时器引起的nack延时长短,通过分析可知:对接收者数量达到10 ~ ( 10 )数量级的多播通信,这两种方法都能避免反馈信息爆炸,且由定时器引起的nack延时短,并且后一种方法优于前一种方法。
  • 更多例句:  1  2  3  4  5
  • 百科解释
rate, or inverse scale
详细百科解释
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