At fisrt, wideband pulse responses of metallic rectangular, multi-stage cascaded enclosure with multiple rectangular apertures illuminated by a high power EMP are investigated numerically.

• 首先,我们用数值法研究了超大功率超宽带电磁脉冲照射下的含有多个方形孔缝的多层级联矩形金属屏蔽腔,得到其屏蔽效能的计算方法。