Two sorts of uncertainty, uncertainty of model parameters and of stochastic disturbance, have been mainly researched, and their according solutions have been given as well.
由于在风险理论的研究中，大多数研究者不考虑随机干扰的因素，因而对有些问题，这种风险模型存在着较大的欠缺。
Considering the uncertainty of network model and time variability of network parameters, a fuzzy control active queue management algorithm based on input rate and queue variance is proposed.
针对网络模型的不确定性和参数的时变性，该文提出了一种基于输入速率和队列长度变化的模糊控制主动队列管理算法。
The model indicates that three types of parameters affect the ADCP discharge measurement random uncertainty: ADCP system parameters, river hydraulic parameters and field operation parameters.
该模型表明，影响ADCP流量测验随机不确定度的参数可以分为三类：即adcp系统性能参数、河流水力参数、测验作业参数。
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