复杂电磁环境下的机载电子设备安全性设计主要解决 ①电磁环境通过感应或耦合等方式可能造成机载电子设备工作混乱摘而导致安全性问题 ②在机载电子设备保持正常工作状态下，电磁环境通过感应或耦合等方式形成的感应电压或感应电流达到或超过机载电子设备相关性能指标引起“非正常动作”而导致的安全性问题。通过介绍一种典型机载电子设备在复杂电磁环境下的电磁安全性设计情况，表明机载电子设备开展电磁环境安全性设计的重要性和必要性。

Some problems are solved by the safety design of airborne electronic equipments in complex electro.magnetic environments. Firstly, the safety problems caused by the work disorder of airborne electronic equipmentswhich are caused by electromagnetic induction and coupling. Secondly, the safety problems are caused by mal func.tion when induced voltage or current produced by electromagnetic induction and electromagnetic coupling reachesor exceeds the relevant performance characteristics with the airborne electronic equipments working properly. Final.ly, the importance and necessity of the electromagnetic environment safety design of the airborne electronic equip.ments are showed through introducing a situation of the electromagnetic safety design for a typical airborne electron.ic equipment in a complex electromagnetic environment.