The electromagnetic compatibility of electronic systems on vessels has drawn extensive attention these days. The distribution of electromagnetic fields of large surface vessels under one or more of antenna radiations was analyzed. Electrical field strength of a spot on the vessel was computed. Different types of antennas and waveforms were considered in the simulation. The received electromagnetic power on vessel surface was measured. The purpose was to provide reference for placement of electronic equipments on large vessel.%舰船各电子系统间的电磁兼容问题已经引起了广泛的关注.研究了大型水面舰艇在单个或者多个舰载天线辐射下的舰船表面电磁场的分布情况,计算了舰船在舰栽天线的辐射下,舰船上某一点的电场强度.计算时,考虑了不同天线形式、不同波源对于舰船表面电磁特性的影响.给出了舰船表面各个位置所接受到的电磁场能量的大小,这对大型舰船上电子设备的放置与布局有着非常重要的意义.
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