Hsi-Tseng ChouZhi-Da YanHSI-TSENG CHOU周錫增2019-10-242019-10-242018https://scholars.lib.ntu.edu.tw/handle/123456789/428151Multi-beam Radiation from Two-dimensional Luneburg Lens Excited in PCB Substrate at Millimeter Wave Frequencies for 5G Applicationsconference paper