【摘要】 本文提出了有孔腔体远、近场电磁屏蔽效能的计算方法，具体研究了矩形腔体的屏蔽特性，讨论了各类孔对屏蔽效能的影响程度。数值结果表明，理论计算与实验数据吻合较好。更多还原

【Abstract】 This paper develops a calculation method for far and near field electromagnetic shielding of cavity with apertures. The shielding characteristics of rectangular cavity with apertures is investigated and the effects of different shape apertures on the shielding effectiveness are discussed.The results obtained from experiment and numberical calculation are basically agreed with.更多还原