A Low Radar Cross Section Dipole Antenna Simulation
نویسنده
چکیده
This paper reports a new method for reducing the Radar Cross-Section (RCS) of a metal backed dipole antenna. Numerical simulations are used to show that when the Perfect Electrical Conductor (PEC) is replaced by a carefully designed Frequency Selective Surface (FSS), the electromagnetic performance of the antenna is similar in band, but the RCS of the structure is significantly lower out of band. The design of the FSS and the return loss, radiation patterns and RCS are presented for an antenna which operates at a center frequency of 4 GHz and the results are compared with a conventional metal backed arrangement. Keywords—Low RCS; Radar Cross-section; Dipole Antenna; Frequency Selective Surface; FSS; Jerusalem Cross
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