Development of a low-noise wide-band phased-array feed

Development of a low-noise wide-band phased-array feed

Low-noise phased-array feeds are a new way to expand the field of view of radio telescopes at centimetre wavelengths. First generation engineering demonstrators of this technology have been constructed and tested by several institutes worldwide. The development of second-generation phased-array feed...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Veidt, B., Burgess, T., Messing, R., Hovey, G. J., Smegal, R. J.
Format: Tagungsbericht
Sprache:eng
Schlagworte:
Arrays
Bandwidth
Feeds
Radio astronomy
Receivers
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Beschreibung
Zusammenfassung:Low-noise phased-array feeds are a new way to expand the field of view of radio telescopes at centimetre wavelengths. First generation engineering demonstrators of this technology have been constructed and tested by several institutes worldwide. The development of second-generation phased-array feeds is now underway. We describe one effort to design and build an astronomy-capable phased-array feed using techniques to reduce front-end noise and increase system bandwidth.
DOI:10.1109/URSIGASS.2011.6123729