INVESTIGATION OF POLARIZATION CHARACTERISTICS OF A MULTILEVEL LOG-PERIODIC ANTENNA FOR TERRESTRIAL DIGITAL TELEVISION BROADCASTING SYSTEMS
Umida AripovaAssociate Professor (Tashkent University of Information Technologies named after Muhammad al-Khwarizmi), Tashkent, UzbekistanAsadbek AbdullaevMaster's Student (Tashkent University of Information Technologies named after Muhammad al-Khwarizmi), Tashkent, Uzbekistan
Zenodo (CERN European Organization for Nuclear Research)repository2026
ABI
Abstract
This study investigates the polarization characteristics of a multilevel log-periodic antenna designed for DVB-T2 systems. Based on a two-level structure arranged orthogonally, the formation of circular polarization was confirmed through both simulation and experimental methods. Measurement results show stable antenna performance in the 470–860 MHz frequency range and improved key electromagnetic parameters. The proposed antenna is an effective solution for enhancing signal quality under multipath propagation conditions.
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