The effect on radiation pattern of logarithm periods dipole antenna by feeding mode

An improper feeding mode of Logarithm periods dipole antenna (LPDA) may result in the asymmetry feeding on the connection pole, which would produce phase delay between the currents on the two arms of dipole, and the main lobe of the pattern would excurse away from the antenna axis. The principle of...

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Bibliographic Details
Main Authors: Shengquan Zheng, Yajuan Shi, Ding'e Wen
Format: Conference Proceeding
Language:English
Subjects:
Aberration
Antenna feeds
Antenna radiation patterns
Coaxial cables
Delays
Dipole antennas
Feeding
Impedance
Logarithm periods dipole antenna
Pattern
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Description
Summary:An improper feeding mode of Logarithm periods dipole antenna (LPDA) may result in the asymmetry feeding on the connection pole, which would produce phase delay between the currents on the two arms of dipole, and the main lobe of the pattern would excurse away from the antenna axis. The principle of main lobe excursion and the amelioration methods for LPDA are investigated in this paper.
DOI:10.1109/MAPE.2013.6689847