舰艇对来袭反舰导弹威胁评估算法

针对传统层次分析法在确定权重系数上的缺陷和不足，提出一种基于主成分分析法、模糊理论和层次分析法的威胁评估算法。在综合考虑主观和客观因素的基础上，运用主成分分析法得出指标层中各指标的重要性大小，并应用到层次分析法中判断矩阵的确定，求解出指标层对于目标层的相对权重，与运用模糊理论中威胁隶属度函数的建立求解出的各指标对于方案层中不同目标的威胁属性值融合，得到总的组合权重。通过Matlab仿真实例结果表明：该算法得到的威胁排序结果客观、合理。

Threat Evaluation Algorithm of Warship to Defend Anti-Warship Missile

In allusion to the shortage of traditional analytic hierarchy process(AHP) in the determination of weight coefficient,a threat evaluation algorithm based on the principle components analysis,fuzzy theory and AHP was proposed in the article.The subjective and objective factors were comprehensive considered.The importance of each index in index layer obtained by the principal components analysis method was used to gain the judge matrix in the AHP,then the relatively weight of index layer to target layer was obtained.The threat attribute value of different targets in scheme layer was gained by establishing fuzzy membership function.Then,the total combination weight of each target was gained.The simulation proved that the result obtained was objective and reasonable.