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Application of Wait's formulation to connected array antennas
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Mias, Christos and Freni, Angelos (2013) Application of Wait's formulation to connected array antennas. IEEE Antennas and Wireless Propagation Letters, Volume 12 . pp. 1535-1538. doi:10.1109/LAWP.2013.2291277 ISSN 1536-1225.
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Official URL: http://dx.doi.org/10.1109/LAWP.2013.2291277
Abstract
Wait's formulation on plane-wave scattering from wire grids is adapted, for the first time, to the electromagnetic analysis of lumped-element periodically loaded vertical wire-grid connected array antennas. Starting from this formulation, a novel analytical expression for the scan impedance of the array is derived, assuming an infinitesimal lumped element. We also report that as the period decreases and the wavelength increases, there is a simple relation between the scan impedance of the connected array antenna and the transmission-line equivalent circuit impedance of the lumped-element periodically loaded vertical wire-grid frequency selective surface. Consequently, to reduce the variation of the resonance frequency of the scan impedance with the scan angle, we employ the concept of adding an appropriate lumped element inductance to stabilize the resonance frequency of the frequency selective surface.
Item Type: | Journal Article | ||||
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Subjects: | Q Science > QC Physics T Technology > TK Electrical engineering. Electronics Nuclear engineering |
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Divisions: | Faculty of Science, Engineering and Medicine > Engineering > Engineering | ||||
Library of Congress Subject Headings (LCSH): | Phased array antennas, Scattering (Physics), Impedance (Electricity) | ||||
Journal or Publication Title: | IEEE Antennas and Wireless Propagation Letters | ||||
Publisher: | I E E E | ||||
ISSN: | 1536-1225 | ||||
Official Date: | 2013 | ||||
Dates: |
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Volume: | Volume 12 | ||||
Page Range: | pp. 1535-1538 | ||||
DOI: | 10.1109/LAWP.2013.2291277 | ||||
Status: | Peer Reviewed | ||||
Publication Status: | Published | ||||
Access rights to Published version: | Restricted or Subscription Access |
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