摘要
为了定量地对飞机等复杂的系统电磁兼容性进行描述,本文提出了电磁干扰要素概率空间、电磁敏感要素概率空间、电磁干扰关联对信息量和EMC概率熵的概念,阐述了上述四个概念的物理含义及相互间的关系。并以飞机机载系统电磁兼容性分析为实例进行了EMC概率熵的计算,其结果与实际情况相吻合。最后指出EMC概率熵是进行系统电磁兼容生定量研究的一种重要工具和有效手段。
In order to quantitatively describe electromagnetic compatibility of complex systems like airplane,this paper introduces electromagnetic interference elements probability space,electromagnetic susceptibility elements probability space,electromagnetic interference correlated pair's information quantity and EMC probability entropy.Meanwhile,it expounds the physical meaning of the four concepts mentioned above and the relationship among them.Computation of EMC probability entropy is performed on the system level electromagnetic compatibility analysis of airborne system,the results are in fairly agreement with the actual state.Finally,this paper proposes that EMC probability entropy is an important and effective way to the quantitative study on system electromagnetic compatibility.
出处
《数字通信世界》
2014年第5期55-58,共4页
Digital Communication World
关键词
系统电磁兼容性
EMC概率熵
信息量
不确定性
system level electromagnetic compatibility
EMC probability entropy
information quantity
uncertainty
