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Radiation and matching characteristics of a novel dual-band dielectric loaded coaxial horn

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Abstract

Copolar and crosspolar radiation as well as matching characteristics of a novel dual-band coaxial hybrid-mode feed horn with partial dielectric loading [1] for reflector antennas have been numerically and experimentally investigated. In comparison with dual-band corrugated horns this horn has higher crosspolar level, but provides larger band separation and rather good electrical performances over a wide frequency range (20% and more) within each operational frequency band. Furthermore, the main concept of the coaxial feed system can be easily extended for multi-band cost-effective applications in reflector antennas with polarization diversity.

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References

  1. F. F. Dubrovka, R. F. Dubrovka, Yu. A. Ovsianyk, UA Patent No. 88320, Byull. Izobret., No. 1 (2009).

  2. F. F. Dubrovka, R. F. Dubrovka, Yu. A. Ovsianyk, Ya. O. Rospopa, “Recent progress in development of multiband feed horns (Review),” in Proc. of 6th Int. Conf. Antenna Theory and Techniques, ICATT’2007, Ukraine (2007), pp. 44–50.

  3. F. F. Dubrovka, R. F. Dubrovka, and Yu. A. Ovsianyk, “A Novel Multiband Coaxial Feed System with Low Cross-Polar Radiation,” in Proc. of 2nd European Conf. on Antennas and Propagation (2007), pp. 1–4.

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Authors and Affiliations

  1. National Technical University of Ukraine “Kyiv Polytechnic Institute” (NTUU KPI), Kyiv, Ukraine

    F. F. Dubrovka & Yu. A. Ovsianyk

  2. Queen Mary, University of London, London, UK

    R. F. Dubrovka

Authors
  1. F. F. Dubrovka
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  2. Yu. A. Ovsianyk
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  3. R. F. Dubrovka
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Additional information

Original Russian Text © F.F. Dubrovka, Yu.A. Ovsianyk, R.F. Dubrovka, 2012, published in Izv. Vyssh. Uchebn. Zaved., Radioelektron., 2012, Vol. 55, No. 12, pp. 41–46.

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Dubrovka, F.F., Ovsianyk, Y.A. & Dubrovka, R.F. Radiation and matching characteristics of a novel dual-band dielectric loaded coaxial horn. Radioelectron.Commun.Syst. 55, 559–562 (2012). https://doi.org/10.3103/S0735272712120059

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  • DOI: https://doi.org/10.3103/S0735272712120059

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