A simple half oval patch antenna is proposed for the active breast cancer imaging over a wide bandwidth. The antenna consists of a half oval and a trapezium, with a total length 15.1mm and is fed by a coaxial cable. The antenna performance is simulated and measured as immersed in a dielectric matching medium. Measurement and simulation results show that it can obtain a return loss less than i10dB from 2.7 to 5GHz. The scattered fleld detection capability is also studied by simulations of two opposite placed antennas and a full antenna array on a cubic chamber.
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Yu et al. (2009) studied this question.
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