关键词: 机场安全, 预警模型, 可拓理论, 综合关联度, 可拓关联函数

Abstract: A dynamic model based on variable matter element with parameters is applied to construct the early-warning model of airport safety.In this model，the early-warning indices system is conducted on the base of the survey.The weight of early-warning indices is ascertained with the method of correlation function in extension theory，and the comprehensive correlative degree is taken as the evaluation criteria.At last，the unitary early-warning grade of the airport is derived with the early-warning model.A case study shows that the model is suitable for evaluation of the airport safety，and for assisting early-warning decision quantitatively.

Key words: airport safety, early-warning model, extension theory, comprehensive correlative degree, correlation function in extension theory