Browsing by Author "Dubrovka, R. F."

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    Cross-polar radiation of a dual-band coaxial feed horn with partial dielectric loading
    (Видавництво Національного університету "Львівська політехніка", 2009) Dubrovka, F. F.; Dubrovka, R. F.; Ovsianyk, Yu. A.
    Cross-polar radiation of a novel dual-band coaxial hybrid-mode feed horn with partial dielectric loading for single and dual reflector antennas has been investigated. In comparison to dual-band corrugated horns this horn has higher crosspolar level, but provides larger band separation (e.g., 6.6:1 in the paper) 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.