中文说明：z向电流屏在一维空间产生的电场和磁场，与两个相互平行的PEC平面平行，区间内填充空气。电流屏的波形为高斯波形
English Description：
Z to current screen in one dimension of the electric field and magnetic field, PEC with two parallel planes parallel to the range fills the air. The waveform of the current screen for Gaussian wave-shaped