The thesis based on random fractal theory, utilizing fractional Brownian motion model, using R/S analysis technique and wavelet transform method to estimate Hurst exponent which dep.
基于随机分形理论，采用分数布朗运动模型，应用R/S分析技术和基于小波变换的谱参数估计方法计算地震道信号的赫斯特指数。
Aimed at non-repair and restore situations, the model calculates the ERMS of R&M&S according to the matrix of usability, reliability and ability. Then, the corresponding evaluation model is acquired.
针对执行任务期间发生故障，但难以修复和可修复的情况，该模型均可通过可用性、可信度及能力矩阵，分别求得基于R&M&S特性的武器装备系统效能表达式（ERMS），从而得出相应评估模型。
This paper studies a discrete S-I-R disease transmission model, in which the probability of remaining susceptible is a general function of the infected population.
研究了一个离散s - I - R传染病模型，其中未感染概率为关于被感染人群的一般函数。
This paper studies a discrete S-I-R disease transmission model, in which the probability of remaining susceptible is a general function of the infected population.
研究了一个离散s - I - R传染病模型，其中未感染概率为关于被感染人群的一般函数。
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