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本文利用时域有限差分 (FD- TD)法研究快上升前沿电磁脉冲 (FREMP)对目标腔体的孔缝耦合效应。并将计算结果与核电磁脉冲 (NEMP)的耦合结果进行比对。研究表明 :对于较小尺寸的目标腔体 ,在孔缝尺寸也较小的情况下 ,FREMP相对于 NEMP更容易耦合进入目标腔体 ,且更容易引起孔腔谐振。
In this paper, the finite-difference time-domain (FD-TD) method is used to study the coupling effect of FREMP on the target cavity. The results of the calculation are compared with those of NEMP. The research shows that FREMP is easier to couple into the target cavity than the NEMP for the smaller size target cavity, and it is easier for cavity to resonate.