Design of a 67–116GHz corrugated circular horn for the ALMA radio telescope
作者： Renzo Nesti , Giuseppe Pelosi , Simone Pilia , Stefano Selleri
DOI: 10.1109/APUSNCURSINRSM.2017.8072325
关键词:
摘要: A corrugated circular horn of exceptional bandwith, spanning both bands 2 and 3 ALMA radio telescope (67–116 GHz) is presented. Design, thanks to a long transition region an input matching non-standard waveguide section, achieves very good return loss polarization purity in excess 30 dB over band about 50%.
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