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Calculation of the Combined Electric Field Response of Multiple Nonlinear Antenna Loads due to HPEM Excitation

Michels, Robert ; Schaarschmidt, Martin ; Fisahn, Sven ; Gronwald, Frank

Advances in radio science, 2023-03, Vol.20, p.47-53 [Periódico revisado por pares]

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Título:
Calculation of the Combined Electric Field Response of Multiple Nonlinear Antenna Loads due to HPEM Excitation
Autor: Michels, Robert ; Schaarschmidt, Martin ; Fisahn, Sven ; Gronwald, Frank
Assuntos: Analysis ; Antennas ; Antennas (Electronics) ; Decomposition ; Diodes ; Electric fields ; Electromagnetic properties ; Electromagnetism ; Energy storage ; Plane waves ; Receiving ; Simulation ; Wire
É parte de: Advances in radio science, 2023-03, Vol.20, p.47-53
Descrição: The electromagnetic properties of receiving and scattering structures with nonlinear components are difficult to predict, especially if more than one nonlinear load is involved. In this contribution a frame antenna with two diodes that act as nonlinear loads is analyzed. This receiving antenna structure is illuminated by a polarized plane wave, carrying a transient HPEM signal. It is then the given task to compute the electric field distribution in the vicinity of the antenna. To this end, a macromodel of the nonlinearly loaded structure that relates the transient signal to the electric field measured at an observation point is derived. As a result it is seen how recent macromodeling techniques can be applied to solve the given problem step by step. This provides the possibility to further analyze the interaction of the given nonlinear loads by a general framework.
Editor: Katlenburg-Lindau: Copernicus GmbH
Idioma: Inglês;Alemão

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