Design of Ultra-Wideband Phased Array Feed for Radio Telescope
- Fan, Jin
- Yan, Yihua
- Zhu, Kai
- Gan, Heng Qian
- Chen, Linjie
- Yang, Jian
- Cao, Hailin
- Li, Bin
- Ma, Jun
Publication date
January 2020
DOI Publisher
Institute of Electrical and Electronics Engineers (IEEE)Abstract
This paper presents an ultra-wideband Phased Array Feed (PAF) based on novel flat bend crossed dipole fed by 50Ohm coaxial line. The PAF is dual-polarized and made from all-metal to minimize Ohmic losses and simplify cryogenic integration. It is optimized for 1-2 GHz band and can be good PAF candidate for the Five hundred meter Aperture Spherical Telescope (FAST) and Qi Tai Telescope (QTT) as well as other radio telescopes
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