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dc.contributor.authorBaelemans, R.
dc.contributor.authorSutinjo, Adrian
dc.contributor.authorHall, Peter
dc.contributor.authorSmolders, A.
dc.contributor.authorArts, M.
dc.contributor.authorDe Lera Acedo, E.
dc.identifier.citationBaelemans, R. and Sutinjo, A. and Hall, P. and Smolders, A. and Arts, M. and De Lera Acedo, E. 2017. Closed-form Jones matrix of dual-polarized inverted-vee dipole antennas over lossy ground. IEEE Transactions on Antennas and Propagation. 65 (1): pp. 26-35.

This paper presents a closed-form expression for the Jones matrix of a dual-polarized inverted-vee dipole antenna based on the Lorentz reciprocity theorem and the basic rules of electromagnetic refraction. The expression is used to determine the intrinsic cross-polarization ratio (IXR) as a function of droop angle, position of the source in the sky, antenna height, frequency, and reflection coefficient of the underlying ground. The expression is verified using full-wave simulations with a method-of-moments solver, showing very good agreement. It explains the increase in the IXR when the antenna is placed over a perfect electric ground plane. This result is used to explain the polarization properties of the Square Kilometre Array Log-periodic Antenna. Through the LOw-Frequency ARray Low-Band Antenna (LOFAR-LBA), the importance of the size of the ground plane is explained. Finally, design consideration for high polarization purity antennas is discussed.

dc.titleClosed-form Jones matrix of dual-polarized inverted-vee dipole antennas over lossy ground
dc.typeJournal Article
dcterms.source.titleIEEE Transactions on Antennas and Propagation
curtin.departmentDepartment of Electrical and Computer Engineering
curtin.accessStatusOpen access

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