箱式屏蔽效能测试方法设计

从屏蔽效能的原理出发，通过分析影响屏蔽效能的关键因素，提出箱式屏蔽效能测试方法，并对影响测试结果的因素进行优化。测试方法简便可行、数据可靠有效，为屏蔽材料的选型提供技术依据，为工程技术人员进行产品设计提供参考。

Design of Shielding Effectiveness Testing Method Using Shielding Box

Based on the theory of shielding effectiveness,a new shielding effectiveness test method using the electromagnetic shielding box is brought forward through analyzing the key factors that affect the shielding effectiveness.The electromagnetic shielding box is optimized according to different factors influencing the measurement result.Through analyzing and testing validation,it is proved that the new method is simple,convenient and practical,and the data is reliability and availability,both of which are helpful for engineers to select the shielding materials and to design the products.