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Title: A design methodology of the wideband orthogonal mode transducer for the SKA Band 2 feed
Authors: Lehmensiek, Robert 
Keywords: Antenna feeds;Baluns;Optimization methods;Radio astronomy;Transducers
Issue Date: 2016
Publisher: IEEE
Conference: 2016 10th European Conference on Antennas and Propagation (EuCAP) 
Abstract: A methodology for fast design of a compact wideband orthogonal mode transducer (OMT) matched to a wide flare angle axially corrugated conical horn for the Band 2 feed of the Square Kilometer Array (SKA) is presented. The design takes into account, through full-wave electromagnetic analyses, interactions that occur in the feed over the entire frequency band. To lower the computational cost and make the model suitable for optimization, problem decomposition together with a combination of high fidelity and physics-based models are employed. The reflection coefficients of the feed are designed to be less than -20 dB.
DOI: 10.1109/EuCAP.2016.7481872
Appears in Collections:Eng - Conference Papers

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