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Characteristic Basis Function Analysis of Large Aperture-Fed Antenna Arrays

Rob Maaskant (Institutionen för signaler och system, Antenner) ; Carlo Bencivenni (Institutionen för signaler och system, Antenner) ; Marianna Ivashina (Institutionen för signaler och system, Antenner)
8th European Conference on Antennas and Propagation, EuCAP 2014, The Hague, The Netherlands 6-11 April 2014 p. 2427 - 2431 . (2014)
[Konferensbidrag, refereegranskat]

The Characteristic Basis Function Method (CBFM) is applied to rapidly compute the impedance and radiation characteristics of electrically large aperture-fed antenna arrays. A stationary formula for the antenna input admittance matrix is expressed in terms of a product of matrix blocks that are readily available from a method of moment formulation. Numerical results are shown for large arrays of waveguide antennas requiring more than 2 million basis functions, which is reduced by a factor of 9000, so that the solution for the currents are still obtainable in-core on a single desktop computer, while being orders faster than commercial software codes or a standard MoM approach, provided that sufficient memory is available for the Gaussian elimination.

Nyckelord: phased array antennas, far-field pattern, method of moments

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Denna post skapades 2014-10-06. Senast ändrad 2017-03-21.
CPL Pubid: 203788


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Institutioner (Chalmers)

Institutionen för signaler och system, Antenner (2005-2014)


Informations- och kommunikationsteknik
Elektroteknik och elektronik

Chalmers infrastruktur

Onsala rymdobservatorium

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