Broadband amplitude tapering for a linear W-band array antenna for Gaussian beam-shaping

Christian Koenen, Uwe Siart, Thomas F. Eibert, Garrard D. Conway, Ulrich Stroth

Publikation: Beitrag in Buch/Bericht/KonferenzbandKonferenzbeitragBegutachtung

4 Zitate (Scopus)

Abstract

A W-band horn array antenna is currently being developed for the Doppler reflectometry system on ASDEX Upgrade tokamak in Garching. The antenna is dedicated to radiate a well defined Gaussian beam over nearly the whole W-band (75GHz to 105GHz). As in-vessel moving parts have to be avoided, the underlying structure of the feed network is a series feed. This contribution examines a broadband coupling structure to couple a defined amount of power from the main feed line to the radiating elements. Its applicability is validated by measurements of a prototype coupling network and full-wave simulation of a 32-element series fed array antenna.

OriginalspracheEnglisch
Titel2015 German Microwave Conference, GeMiC 2015
Herausgeber (Verlag)Institute of Electrical and Electronics Engineers Inc.
Seiten202-204
Seitenumfang3
ISBN (elektronisch)9783981266863
DOIs
PublikationsstatusVeröffentlicht - 13 Mai 2015
Veranstaltung9th German Microwave Conference, GeMiC 2015 - Nuremberg, Deutschland
Dauer: 16 März 201518 März 2015

Publikationsreihe

Name2015 German Microwave Conference, GeMiC 2015

Konferenz

Konferenz9th German Microwave Conference, GeMiC 2015
Land/GebietDeutschland
OrtNuremberg
Zeitraum16/03/1518/03/15

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