Abstract: In this paper, a ray launching algorithm to estimate the Half Power Beamwidth (HPBW) and Side Lobe Level (SLL) of a Fabry-Perot cavity is proposed. The primary objective is to compute the radiated electric field exclusively in the principal planes (E and H) by using a ray-launching technique. This algorithm is deployed on MATLAB® and the results are compared with those obtained through a commercial electromagnetic solver. By implementing representative test-cases, we proved that the developed code allows an averaged computational time reduction of around 1200 times maintaining, at the same time, a mean error of 2.14° and 2.33 dB for HPBW and SLL, respectively.
E. Giusti, P. Usai, A. Monorchio and D. Brizi, "Fast Ray-Launching Approach to Estimate Fabry-Perot Cavity Radiation Patterns," 2024 IEEE International Symposium on Antennas and Propagation and INC/USNC‐URSI Radio Science Meeting (AP-S/INC-USNC-URSI)
Written by EDOARDO GIUSTI
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