电磁屏蔽方舱作为机动式指挥系统的车载运行环境,内有多种电子设备。为了保障舱内的电磁环境满足电子设备正常工作的需要,方舱必须具有良好的电磁屏蔽性能。方舱内的机柜布局是影响电磁屏蔽方舱屏蔽效能的一个重要因素。通过对电磁屏蔽方舱屏蔽效能的测试分析和CST仿真分析,定量分析了机柜布局对电磁屏蔽方舱屏蔽效能的影响,并对机柜的布局提出合理建议。分析结果表明机柜的反射作用会使屏蔽效能降低,而机柜的遮挡作用能使屏蔽效能提高。%As a motor-vehicle operating environment,there are lots of electronic aids in the electromagnetic shielding shelter.To make sure the electronic aids can work normally in the electromagnetic environment of the electromagnetic shielding shelter,the good electromagnetic shielding property of the electromagnetic shielding shelter is necessary.And the instrument cabinet＇s position is one of the most important factors which have effect on the shielding effectiveness of the electromagnetic shelter.Based on the analysis of the test and the simulation by software CST,this paper introduces the effect of the instrument cabinet＇s position on the shielding effectiveness of the electromagnetic shielding shelter and put forward some appropriate suggestion of the instrument cabinet＇s position.The result shows that the reflecting ability of the instrument cabinet will reduce the shielding effectiveness of the shelter,while the shielding ability of the Instrument cabinet will increase the shielding effectiveness of the shelter.
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