随着软件系统在大型相控阵雷达中的大量应用,软件系统带来的安全性问题也引起广泛关注.针对大型相控阵雷达软件系统的安全性问题,首先利用软件失效模式和影响分析方法进行安全性分析,找出软件系统的薄弱环节;然后进行针对性安全性设计,提出有效的改进措施;最后利用改进模糊层次分析法进行安全性评价,得到安全性评价结果.实例证明,这种方法可以有效分析大型相控阵雷达软件的安全性问题、找出影响安全性的故障原因、对安全性薄弱环节加以改进设计、对整个大型相控阵雷达系统进行安全性评价.%With the application of the softw are system in large phased array radar (LPAR ) , the safety problem caused by the softw are system has been w idely concerned .Aimed at the safety problem of L PAR soft‐w are system ,firstly ,the softw are failure mode and effects analysis method is used to analyze the safety ,and the w eak links of the systems are found .Then the targeted safety design is carried out and effective improve‐ment measures are put forw ard .Finally ,the improved fuzzy analytic hierarchy process is used to evaluate safety . It is proved that this method can effectively analyze the safety problems of the L PA R softw are system ,find out the failure reasons affecting safety ,improve the design of weak links of safety ,and evaluate the safety of the w hole L PAR softw are system .
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