The spoofing capability of Global Navigation Satellite System(GNSS)represents an important confrontational capability for navigation security,and the success of planned missions may depend on the effective evaluation ...The spoofing capability of Global Navigation Satellite System(GNSS)represents an important confrontational capability for navigation security,and the success of planned missions may depend on the effective evaluation of spoofing capability.However,current evaluation systems face challenges arising from the irrationality of previous weighting methods,inapplicability of the conventional multi-attribute decision-making method and uncertainty existing in evaluation.To solve these difficulties,considering the validity of the obtained results,an evaluation method based on the game aggregated weight model and a joint approach involving the grey relational analysis and technique for order preference by similarity to an ideal solution(GRA-TOPSIS)are firstly proposed to determine the optimal scheme.Static and dynamic evaluation results under different schemes are then obtained via a fuzzy comprehensive assessment and an improved dynamic game method,to prioritize the deceptive efficacy of the equipment accurately and make pointed improvement for its core performance.The use of judging indicators,including Spearman rank correlation coefficient and so on,combined with obtained evaluation results,demonstrates the superiority of the proposed method and the optimal scheme by the horizontal comparison of different methods and vertical comparison of evaluation results.Finally,the results of field measurements and simulation tests show that the proposed method can better overcome the difficulties of existing methods and realize the effective evaluation.展开更多
人们通常习惯用语言术语来表达他们的偏好,因此概率型语言术语集(Probabilistic Linguistic Term Set,PLTS)在决策过程中有着十分重要的作用。目前PLTS的研究刚刚起步,有关PLTS的相关研究没有关注到一致性度量的问题,对于PLTS的多属性...人们通常习惯用语言术语来表达他们的偏好,因此概率型语言术语集(Probabilistic Linguistic Term Set,PLTS)在决策过程中有着十分重要的作用。目前PLTS的研究刚刚起步,有关PLTS的相关研究没有关注到一致性度量的问题,对于PLTS的多属性群决策方法有待进一步研究。首先,给出了一种新的PLTS的集结方法,并且在已有的PLTS可能度公式的基础上,构建了PLTS的相似度量方法,在此基础上,进一步提出了基于PLTS一致性度量的多属性群决策方法。该方法在各决策者权重未知的情况下,考虑到各决策者之间的一致性。首先,定义PLTS的一致性度量公式,确定决策者权重;并根据PLTS的集结方法,集结各决策者的评价信息;最后,利用可能度公式对PLTS进行排序。通过案例分析验证了该方法的可行性和优越性。展开更多
基金supported by the National Natural Science Foundation of China(41804035,41374027)。
文摘The spoofing capability of Global Navigation Satellite System(GNSS)represents an important confrontational capability for navigation security,and the success of planned missions may depend on the effective evaluation of spoofing capability.However,current evaluation systems face challenges arising from the irrationality of previous weighting methods,inapplicability of the conventional multi-attribute decision-making method and uncertainty existing in evaluation.To solve these difficulties,considering the validity of the obtained results,an evaluation method based on the game aggregated weight model and a joint approach involving the grey relational analysis and technique for order preference by similarity to an ideal solution(GRA-TOPSIS)are firstly proposed to determine the optimal scheme.Static and dynamic evaluation results under different schemes are then obtained via a fuzzy comprehensive assessment and an improved dynamic game method,to prioritize the deceptive efficacy of the equipment accurately and make pointed improvement for its core performance.The use of judging indicators,including Spearman rank correlation coefficient and so on,combined with obtained evaluation results,demonstrates the superiority of the proposed method and the optimal scheme by the horizontal comparison of different methods and vertical comparison of evaluation results.Finally,the results of field measurements and simulation tests show that the proposed method can better overcome the difficulties of existing methods and realize the effective evaluation.
文摘人们通常习惯用语言术语来表达他们的偏好,因此概率型语言术语集(Probabilistic Linguistic Term Set,PLTS)在决策过程中有着十分重要的作用。目前PLTS的研究刚刚起步,有关PLTS的相关研究没有关注到一致性度量的问题,对于PLTS的多属性群决策方法有待进一步研究。首先,给出了一种新的PLTS的集结方法,并且在已有的PLTS可能度公式的基础上,构建了PLTS的相似度量方法,在此基础上,进一步提出了基于PLTS一致性度量的多属性群决策方法。该方法在各决策者权重未知的情况下,考虑到各决策者之间的一致性。首先,定义PLTS的一致性度量公式,确定决策者权重;并根据PLTS的集结方法,集结各决策者的评价信息;最后,利用可能度公式对PLTS进行排序。通过案例分析验证了该方法的可行性和优越性。
