We study the characteristics of planar symmetric slot antennas with linearly expanding openings, whose dimensions are comparable with a radiation wavelength of 30 mm. The radiation patterns of the antennas under consideration are calculated experimentally, measured experimentally, and analyzed for opening angles of 60°, 90°, and 120°. The influence of the antenna opening angle on the directivity of the antennas is revealed. The experimentally measured antenna radiation patterns are found to agree well with the developed mathematical models at the frequencies (10 ± 2) GHz.
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Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Radiofizika, Vol. 59, No. 6, pp. 529–534, June 2016.
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Zayarny, V.P., Parpula, S.A., Girich, V.S. et al. Studying the Influence of Opening Angles of Planar Short Slot Microwave Antennas on Their Electrodynamic Characteristics. Radiophys Quantum El 59, 479–483 (2016). https://doi.org/10.1007/s11141-016-9716-4
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DOI: https://doi.org/10.1007/s11141-016-9716-4