Design and measurements of dual-polarized wideband constant-beamwidth quadruple-ridged flared horn
A Akgiray, S Weinreb, W Imbriale - 2011 IEEE International …, 2011 - ieeexplore.ieee.org
A Akgiray, S Weinreb, W Imbriale
2011 IEEE International Symposium on Antennas and Propagation …, 2011•ieeexplore.ieee.orgA quad-ridged, flared horn achieving nearly constant beamwidth and excellent return loss
over a 6-1 frequency bandwidth is presented. Radiation pattern measurements show
excellent beamwidth stability from 2 to 12 GHz. Measured return loss is>; 10 dB over the
entire band and>; 15 dB from 2.5 to 11 GHz. Using a custom physical optics code, system
performance of a radio telescope is computed and predicted performance is average 70%
aperture efficiency and 10 Kelvin of antenna noise temperature.
over a 6-1 frequency bandwidth is presented. Radiation pattern measurements show
excellent beamwidth stability from 2 to 12 GHz. Measured return loss is>; 10 dB over the
entire band and>; 15 dB from 2.5 to 11 GHz. Using a custom physical optics code, system
performance of a radio telescope is computed and predicted performance is average 70%
aperture efficiency and 10 Kelvin of antenna noise temperature.
A quad-ridged, flared horn achieving nearly constant beamwidth and excellent return loss over a 6-1 frequency bandwidth is presented. Radiation pattern measurements show excellent beamwidth stability from 2 to 12 GHz. Measured return loss is >; 10 dB over the entire band and >; 15 dB from 2.5 to 11 GHz. Using a custom physical optics code, system performance of a radio telescope is computed and predicted performance is average 70% aperture efficiency and 10 Kelvin of antenna noise temperature.
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