介绍了当前光电装备发展状态下, 复杂电磁环境对于系统提出的新要求, 尤其是高强辐射场对光电系统的研制和验证提出的新要求。叙述了电磁屏蔽的工程化设计方法, 并结合工程实际提出了一种电磁屏蔽效能验证的工程方法。文中采用内场试验法和外场试验法两种方法进行屏蔽效能的验证工作, 并引入了线性外推的方式。所叙述的屏蔽设计方法, 已在项目的实际应用得到验证, 尤其是高强辐射场下的屏蔽效能验证方法, 对后续光电装备在舰船等复杂环境下的验证具有很强的指导意义。

Under the current development situation of electro-optical equipments, the new requirements for systems in complex electromagnetic environment are introduced, especially the new requirements for the development and verification of electro-optical systems from high intensity radiation field. The engineering design method of electromagnetic shielding is introduced. Incorporated with engineering practice, an engineering method of electromagnetic shielding effectiveness verification is presented. Two methods of shielding effectiveness verification are carried out based on the experiment testing and field testing methods. And linear extrapolation mode is introduced. The shielding design method has been verified in applications. Especially the shielding effectiveness verification method under high intensity radiation field has a strong guiding significance to the subsequent electro-optical equipment verification under complex environments.