电磁脉冲对电缆的耦合效应实验研究
Experimental study of EMP coupling to long shielded cable
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摘要: 介绍了利用水平极化辐射波电磁脉冲模拟器开展的电缆耦合效应实验研究，具体介绍了实验系统、测量方法。并对常用的同轴电缆分为架高和铺于地面两种状态，芯线与外皮接50W 匹配电阻，外皮分为两端开路、一端接地和两端接地三种情况，分别给出了实验波形及实验数据并用传输线理论进行了分析，实验结果与理论分析基本一致。Abstract: The experiments of EMP coupling to shielded cable have been done in the horizontally polarized dipole radiator. The test system of the experiment and the measurement method are both introduced in this article. The tested coaxial cable is under different conditions—the cable is above the ground or on the ground, both terminals are open circuit, short circuit or one is open and the other is short. The core and the sheath are connected via a resistance of 50W . The results of the experiments are analysed based on double transmission lines theory and good agreement is obtained.
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Key words:
- emp /
- horizontally polarized dipole radiator /
- coupling /
- circuit sensor /
- transfer impedance
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