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针对现有空空主动雷达导引头干扰效能评估指标体系的主观性较强,存在冗余现象,缺乏合理的建立依据和约简方法,文中分析了评估指标体系的构建原则,通过对导引头固有抗干扰能力和工作过程的分析,建立了评估指标体系。为解决多指标及各指标重要程度不一的问题,应用粗糙集属性约简算法对该指标集进行约简,删除了冗余属性,得到了核心属性。并且以五组主动雷达导引头干扰效能评估指标数据为例进行算法模型验证,并对约简后的指标体系进行了有效性检验。实验结果表明:该方法能有效简化评估指标,得到工作体制抗干扰因子和自卫距离这两个核心指标,为主动雷达导引头干扰效能的评估提供理论支撑。
In view of the subjectivity and redundantness of the existing index system of performance evaluation of airborne active radar seeker interference, there is no reasonable basis for establishment and reduction method. In this paper, the construction principle of evaluation index system is analyzed. Anti-interference ability and work process analysis, the establishment of an evaluation index system. In order to solve the problem of multiple indexes and the importance of each index, the rough set attribute reduction algorithm is used to reduce the index set, the redundant attributes are deleted, and the core attributes are obtained. The algorithm model verification is carried out by taking five groups of active radar seeker interference performance evaluation index data as an example, and the validity of the reduced index system is verified. The experimental results show that this method can effectively simplify the evaluation index, get the core anti-interference factors of work system and self-defense distance, and provide theoretical support for the evaluation of jamming performance of active radar seeker.