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起源于生物进化理论的进化博弈论更关注博弈方的策略选择的长期变化趋势和稳定状态分析,而在对入侵检测系统的研究中,响应策略变化的趋势和状态一直是关注的重点.该文将进化博弈论的研究方法运用到入侵检测系统中去,提出了一个基于进化博弈论的入侵检测系统学习模型,运用复制动态理论对模型进行分析,体现了入侵检测系统的响应过程中策略的调整以及变化趋势.该文模型的进一步研究将在入侵检测系统的学习机制方面带来更多的讨论.“,”Originating from biological evolutionary theory, evolutionary game theory focuses on long-term trend and stable state analysis of strategy selection, and trend and status of response policy are always treated as key points in analysis of intrusion detection system (IDS). Research methods for evolutionary game theory are applied to IDS in this paper, and a model of IDS, which is based on evolutionary game theory, is also introduced. By means of replicator dynamics theory, the paper analyses the new model, and research results embodies strategy adjustment and development trend during IDS 's response process. Further research on the model introduced in paper will bring on more discussion on learning system of IDS.