Abstract
SummaryThis paper introduces a lightweight wideband planar antenna with an antenna array configuration for microwave head imaging. The designed antenna is composed of a double hollow rectangular‐shaped patch and with the slotted ground. Its measurements are small: 0.28λ × 0.24λ × 0.006λ, where λ is the lowest operating frequency's wavelength. The design process has been completed using CST and then fine‐tune the parameters of the architecture structure to accomplish the ideal bandwidth. The antenna is manufactured and measured in order to test antenna properties. The prototype was being used for brain screening than with the Hugo‐head model. With adequate impedance matching, the antenna meets an operational bandwidth of 1.82 GHz (1.22–3.04 GHz) with an overall peak gain of 5 dBi with a stable radiation property. Fidelity factors both for face‐to‐face and side by side alignment are 92.7% and 83.75%, respectively, indicating that the antenna had a little signal interruption. To determine the backscattered signals of the antenna with Hugo‐head phantom, a nine‐antenna array‐based setup is assumed, with one antenna serving as a transmitter and the remaining eight receiving the dispersed signals.
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