Abstract
The unusual paired slotted radiating structure of a circular waveguide is investigated when the wave of main mode H11 is propagating in it. This structure is constructed in such a way that the phenomenon of the polarization degeneration of wave with this mode is taken into account. In the waveguide cross-section, the centers of the paired half-wave transverse slots are spaced by an angle γ over both sides of the waveguide diametric line along the direction of polarization of the H11 mode. The radiation patterns at different spaced angles γ equal to 45°, 65°, and 72° as well as at the two-tiered location of such paired slots are investigated. The second tier is located on the distance equal to the half of the waveguide wavelength along the waveguide longitudinal axis. The pair slots of both tiers have the same γ angle but they are located at the opposite sides of the waveguide. The possibility is shown of synthesizing an omnidirectional radiation pattern by combination of the two-tiered structure with the opposite frontal slots and the two-tiered structure with the oppositely paired slots.
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Original Russian Text © M.V. Markosyan, A.A. Martirosyan, A.K. Aharonyan, V.H. Avetisyan, 2018, published in Izvestiya Natsional'noi Akademii Nauk Armenii, Fizika, 2018, Vol. 53, No. 3, pp. 257–267.
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Markosyan, M.V., Martirosyan, A.A., Aharonyan, A.K. et al. Investigation of the Circular Waveguide Radiating Slotted Structures Using Polarization Degeneration of the Main Mode Wave. J. Contemp. Phys. 53, 194–201 (2018). https://doi.org/10.3103/S1068337218030027
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DOI: https://doi.org/10.3103/S1068337218030027