A new protection method using an energy selective surface(ESS)is presented for protecting electronic equipments from attacking by high power electromagnetic weapons.ESS is an impedance surface that is sensitive to the...A new protection method using an energy selective surface(ESS)is presented for protecting electronic equipments from attacking by high power electromagnetic weapons.ESS is an impedance surface that is sensitive to the incident electromagnetic field intensity.The protection mechanism,structural design,equivalent circuit modeling,and full-wave simulations of ESS are discussed.Theoretical analysis and simulation results show that ESS is transparent to small signals but opaque to larger signals.The typical insertion loss of ESS is about 1.5 dB and the minimum shielding efficiency is about 20.0 dB in the L band.ESS with the variable transmission loss can be used for protecting electronic equipments from damage in intensive electromagnetic environments.展开更多
基金Project supported by National Basic Research Program of China(973 Program)National Eleventh-five Year Science and Technology Supporting Program of China(51333060302)
文摘A new protection method using an energy selective surface(ESS)is presented for protecting electronic equipments from attacking by high power electromagnetic weapons.ESS is an impedance surface that is sensitive to the incident electromagnetic field intensity.The protection mechanism,structural design,equivalent circuit modeling,and full-wave simulations of ESS are discussed.Theoretical analysis and simulation results show that ESS is transparent to small signals but opaque to larger signals.The typical insertion loss of ESS is about 1.5 dB and the minimum shielding efficiency is about 20.0 dB in the L band.ESS with the variable transmission loss can be used for protecting electronic equipments from damage in intensive electromagnetic environments.
