Modal-based design of a wideband quadruple-ridged flared horn antenna

TS Beukman, P Meyer, MV Ivashina… - IEEE Transactions on …, 2016 - ieeexplore.ieee.org
In this paper, a systematic design technique for quadruple-ridged flared horn antennas is
presented, to enhance the radiation properties through the profiling of the ridge taper. The …

Quadruple-ridged flared horn operating from 8 to 50 GHz

J Shi, S Weinreb, W Zhong, X Yin… - IEEE Transactions on …, 2017 - ieeexplore.ieee.org
This communication proposes a compact, high performance, quadruple-ridged flared horn
operating from 8 to 50 GHz. A prototype fed by two coaxial connectors has been designed …

A compact dual-polarized 4-port eleven feed with high sensitivity for reflectors over 0.35–1.05 GHz

J Yang, M Pantaleev, B Billade… - … on Antennas and …, 2015 - ieeexplore.ieee.org
We present significant improvements to the circular Eleven feed technology for a dual-
reflector system operating over 0.35-1.05 GHz as a backup for the square kilometer array …

Modal-based design techniques for circular quadruple-ridged flared horn antennas

TS Beukman - 2015 - scholar.sun.ac.za
This dissertation presents modal-based techniques for the effective systematic design of
quadruple-ridged flared horns (QRFHs) as reflector feeds for radio astronomy applications …

[PDF][PDF] 大口径射电望远镜超宽带接收机技术发展

陈卯蒸, 刘奇, 马军, 王娜 - SCIENCE CHINA Information …, 2010 - researchgate.net
摘要新疆奇台拟建的110 m 全可动射电望远镜(QiTai Radio Telescope, QTT), 在引力波探测,
黑洞发现, 恒星形成, 星系起源等基础科学研究领域将发挥重要作用, 并可发展应用于深空探测 …

Diffraction and pattern perturbation effects in offset Gregorian reflector antennas with wideband feeds

DIL de Villiers, MV Ivashina - 2015 IEEE International …, 2015 - ieeexplore.ieee.org
The offset Gregorian reflector system of the Square Kilometer Array radio telescope is
required to operate with wideband feed (WBF) antennas down to very low frequencies …

A wideband quad-ridge flared horn feed design for the square kilometre array band 1

J Flygare - 2016 - odr.chalmers.se
The vast and unimaginable greatness of the universe will never stop to amaze us humans. A
strive to know, explore or just to grasp the concept of space will always drive us, both …

Fast prediction of aperture efficiency and sidelobe levels in shaped reflector systems through model based output space map**

DIL de Villiers, MV Ivashina… - 2015 9th European …, 2015 - ieeexplore.ieee.org
This paper presents a fast method to accurately predict the aperture efficiency and sidelobe
levels of shaped dual reflector systems over a wide region of the sha** parameter space …