Simulating Cable Bundle SGEMP Excitation a Theoretical Feasibility Study

In this paper, the feasibility of simulating SGEMP threat-related responses at the loads of multiwire satellite cables is theoretically examined. Two basically different threat-related modes of excitation are considered. One involves generic photon excitation, both nonattenuated (or uniform) and attenuated. The second involves generic electromagnetic field excitation, both nonpropagating (or uniform) and propagating. The simulation technique which is considered for the photon-related response is capacitance pipe excitation; the corresponding technique which is considered for the electromagnetic field-related response is toroid excitation. The investigation uses the time dependent solutions of the multiwire transmission line equations which are coupled with the appropriate definitions of the pertinent current and/or voltage source terms. The results obtained from the prelusive feasibility study indicate that such simulation techniques could reproduce the responses afforded by the threat-related excitation.