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The design is presented for a broadband high-impedance surface (HIS) and this technology is applied in the field of aircraft EMC. The HIS is analysed by means of a lumped-element equivalent circuit model and a parametric study is undertaken to understand the effect of each parameter on the resonant frequency and bandwidth of the structure. The design of a structure with a bandgap of 2–6 GHz (100% bandwidth) is detailed. TLM simulation and measurement validation of the structure's reflection phase and surface current suppression characteristics show good agreement with each other. An application for the proposed structure, employed on the nacelle of an aircraft, protecting against the penetration of surface currents into sensitive areas, is also discussed.
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Rea et al. (2006) studied this question.
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