funded by the National Key R&D Program of China under No.2022YFC2205300;the National Natural Science Foundation of China(NSFC,grant Nos.12073067 and 11973078);the Chinese Academy of Sciences(CAS)“Light of West China”Program under No.2022-XBQNXZ012 and No.2020-XBQNXZ-018。
We introduce the structure of a radio astronomy phased array feeds(PAF)beamforming demonstrator.In a laboratory environment,we have demonstrated beamforming on a received 1.25 GHz sinusoidal signal and used digital we...