log normal distribution 对数常态分布
- Thus a new small sample based system reliability confidence interval estimation method is offered under the assumption that the system follows normal or log normal distribution.
由此提出了小子样下的系统可靠性置信区间估计新方法,该方法只假设系统可靠性估计服从正态或对数正态分布。 - The results indicate that the distribution of liquid slug lengths can consist with the log-normal distribution, and the fluctuation of liquid slug lengths is a chaotic vibration which is sensitively dependent on the initial conditions and has permanence properties.
结果表明,下倾管中段塞流的液塞长度符合对数正态分布,其波动是对初始条件敏感的混沌振荡,且具有持久性。 - The process of realizing the genetic algorithm is presented by the clutter which has the log arithmic normal distribution and Gaussian spectrum.
以具有对数正态分布和高斯谱特性的雷达杂波产生为例,讨论遗传算法的实现过程。
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