Abstract

High-altitude nuclear electromagnetic pulse (HEMP) has a significant effect on electronic devices by cables. This paper makes an analysis of field-wire coupling. With the software of Computer Simulation Technology (CST) constructing the model, coupling current has been acquired. The effect of length, height and impedance on coupling current has been gained. To our surprise, the rise time of HEMP is faster than the time of coupling current. This provides HEMP hardening with the crucial basis.

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