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The performance of an L-band 19-element multibeam feed for the five-hundred-metre aperture spherical radio telescope is verified here. Radiation patterns have been measured in an anechoic chamber in the radiating near field of the array and compared with simulated radiation patterns from HFSS for the same conditions. Very good agreement is observed between the measurements and simulations.
An L-band 19-element multibeam feed has been designed for the proposed Five-hundred-meter Aperture Spherical radio Telescope. Physical optics analysis of the full reflector with mutlibeam feed has been undertaken. The analysis results are presented here.
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