【摘要】 本文利用时域有限差分法对连接器技术腔体的电磁屏蔽性能进行了模拟,经分析模拟结果发现,虽然连接器两端有进线孔,但金属腔与封闭的腔体类似,进入腔内的电磁波仍能发生强烈的电磁振荡,这使腔体的电磁屏蔽性能被降低,可见,腔内介质的存在降低了腔体对低频的抑制能力,研究还发现金属腔对不同方向入射的电磁脉冲的屏蔽能力各不相同。更多还原

【Abstract】 Finite-difference time-domain (FDTD) method is used in the study for shielding effectiveness (SE) of connector enclosure. The simulation indicates that serious resonance has occurred inside the enclosure although there are two holes at the two ends, and that the introduction of medium inside the enclosure has caused the decrease of the SE. Besides, it was also revealed that the metal enclosure has different SE ability for electromagnetic pulse from difference direction.更多还原