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- W4297667989 abstract "A dielectric rod feed with a special radiation pattern of a tabletop form used for the compact range reflector is developed and analyzed. Application of this feed increases the size of the compact range quiet zone generated by the reflector. The feed consists of the dielectric rod made of polystyren, the rod is inserted into the circular waveguide with a corrugated flange. The waveguide is excited by the H11-mode. The rod is covered by the textolite biconical bushing and has a fluoroplastic insert in the vicinity of the bushing. Mathematical modeling was used to obtain the parameters of the feed for the optimal tabletop form of the radiation pattern. The problem of the electromagnetic radiation was solved for metal-dielectric bodies of rotation by method of integral equations with further solving of the problem of the synthesis for feed parameters. The dielectric rod feed was fabricated for the X-frequency range. Feed amplitude and phase patterns were measured in the frequency range 8.2-12.5 GHz. Presented results of mathematical modeling and measurements for X-range radiation patterns correlate well. It is shown that this feed increases by 20-25% the quiet zone of the compact range with reflector in the form of nonsymmetrical cutting of the paraboloid of revolution 5.0 x 4.5 m in size in the frequency range 8.5-10.0 GHz as compared to a conical horn feed." @default.
- W4297667989 created "2022-09-30" @default.
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- W4297667989 date "2014-01-27" @default.
- W4297667989 modified "2023-09-30" @default.
- W4297667989 title "Dielectric rod feed for compact range reflector" @default.
- W4297667989 doi "https://doi.org/10.48550/arxiv.1401.6778" @default.
- W4297667989 hasPublicationYear "2014" @default.
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