Modelling of aperiodic array antennas using infinitesimal dipoles
Modelling of aperiodic array antennas using infinitesimal dipoles
- Author(s): S. Karimkashi ; A.A. Kishk ; G. Zhang
- DOI: 10.1049/iet-map.2011.0402
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- Author(s): S. Karimkashi 1 ; A.A. Kishk 2 ; G. Zhang 1
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View affiliations
-
Affiliations:
1: Atmospheric Radar Research Center, University of Oklahoma, Norman, USA
2: Department of Electrical and Computer Engineering, Concordia University, Montreal, Canada
-
Affiliations:
1: Atmospheric Radar Research Center, University of Oklahoma, Norman, USA
- Source:
Volume 6, Issue 7,
16 May 2012,
p.
761 – 767
DOI: 10.1049/iet-map.2011.0402 , Print ISSN 1751-8725, Online ISSN 1751-8733
© The Institution of Engineering and Technology
Published
An infinitesimal dipole model (IDM) for an antenna including mutual coupling is used to model the radiation patterns of aperiodic arrays. Each radiating element is modelled by a set of infinitesimal dipoles. The mutual coupling between the elements is calculated and the far field radiation pattern of the antenna is computed in a fast and efficient manner. An invasive weed optimisation algorithm is employed to find both the IDMs and the aperiodic array. The simulation results using IDM are verified with a full-wave analysis.
Inspec keywords: antenna radiation patterns; dipole antenna arrays; optimisation
Other keywords:
Subjects: Optimisation techniques; Antenna arrays
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