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A method based on support vector machine (SVM) is presented to calculate the characteristic impedance of transverse electromagnetic (TEM) horn antennas. The method can be used for computer aided design (CAD) of TEM horn antennas. The results obtained from the SVM model are in very good agreement with the analytical and numerical result.
We propose and demonstrate a 2 ?? 4 T-type folded substrate integrated waveguide (TFSIW) slot array antenna. Each linear array is fed through a microstrip line and a TFSIW Y-junction. The size of the proposed antenna is reduced by 40% and the impedance bandwidth (-10 dB) is 5.6%. The dimensions of the structure are presented and the proposed array antenna is fabricated in a two-layer substrate. Simulation...
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