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Ultrawideband Feed for Radio Telescope of a Global Network VGOS

Transactions of IAA RAS, issue 32, 59–64 (2015)

Keywords: VGOS, radio telescope, ultrawideband feed, development, parameters

Abstract

Results of development of ultrawideband feed providing frequency range of 3 18 GHz are presented. Quad-Ridged Flared Horn was selected as prototype of the feed. The feed consist of a gradually expanding horn and four longitudinal ridges, disposed in two orthogonal planes. The feed supports two linear polarizations. Excitation of each polarization is carried out by coaxial cable, with nominal impedance value of 50 Ohms, in a gap between the appropriate couple of orthogonally placed ridges. Results of electrodynamic simulation of the feed parameters are given.

Citation

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RIS

A. A. Roev, V. C. Chernov. Ultrawideband Feed for Radio Telescope of a Global Network VGOS // Transactions of IAA RAS. — 2015. — Issue 32. — P. 59–64.

@article{roev2015,
  abstract = {Results of development of ultrawideband feed providing frequency range of 3 18 GHz are presented. Quad-Ridged Flared Horn was selected as prototype of the feed. The feed consist of a gradually expanding horn and four longitudinal ridges, disposed in two orthogonal planes. The feed supports two linear polarizations. Excitation of each polarization is carried out by coaxial cable, with nominal impedance value of 50 Ohms, in a gap between the appropriate couple of orthogonally placed ridges. Results of electrodynamic simulation of the feed parameters are given.},
  author = {A.~A. Roev and V.~C. Chernov},
  issue = {32},
  journal = {Transactions of IAA RAS},
  keyword = {VGOS, radio telescope, ultrawideband feed, development, parameters},
  pages = {59--64},
  title = {Ultrawideband Feed for Radio Telescope of a Global Network VGOS},
  url = {http://iaaras.ru/en/library/paper/1042/},
  year = {2015}
}

TY  - JOUR
TI  - Ultrawideband Feed for Radio Telescope of a Global Network VGOS
AU  - Roev, A. A.
AU  - Chernov, V. C.
PY  - 2015
T2  - Transactions of IAA RAS
IS  - 32
SP  - 59
AB  - Results of development of ultrawideband feed providing frequency
range of 3 18 GHz are presented. Quad-Ridged Flared Horn was selected
as prototype of the feed. The feed consist of a gradually expanding
horn and four longitudinal ridges, disposed in two orthogonal planes.
The feed supports two linear polarizations. Excitation of each
polarization is carried out by coaxial cable, with nominal impedance
value of 50 Ohms, in a gap between the appropriate couple of
orthogonally placed ridges. Results of electrodynamic simulation of
the feed parameters are given.
UR  - http://iaaras.ru/en/library/paper/1042/
ER  -