【摘要】 针对网络通信系统的脆性风险问题,考虑通信网络环境资源的不确定性及其结果危害两方面因素,定义了通信系统的脆性风险和脆性风险熵的表达式,剖析脆性风险熵的主要数学特性。用Delphi法辨识出影响通信网络脆性的脆性因子,借助于层次分析法确定层次结构中脆性风险影响因素的崩溃系数,同时采用模糊综合评判的方法实现了系统脆性风险因子的量化和网络通信系统的脆性评价。通过对某一个具体通信网络进行脆性风险分析,结果说明该方法不仅可以量化通信系统的脆性风险,而且为网络通信系统的脆性评估提供了可行性的分析方法。更多还原

【Abstract】 According to the matter of brittleness risk in network comunication system,formulas of the brittleness risk and brittleness risk entropy are presented in this paper,and mathematical characteristics of the brittleness risk entropy are discussed after that.Brittleness factors which can be affecting the communication network brittleness are identified through Delphi method.Analytic Hierarchy Process(AHP) method is applied to determining the collapse coefficients of brittleness risk affecting factors in hierarchy model,and Fuzzy Comprehensive Evaluation(FCE) measuring brittleness risk factors of communication network system.At last,the result of application of the methods to practicality of communication network system shows that,these methods can not only be used for quantifying the brittleness risk of network communication system,but also providing a workable way of evaluating brittleness risk of it effectively.更多还原