S. N. HsiehTAH HSIUNG CHU2018-09-102018-09-102008-07http://scholars.lib.ntu.edu.tw/handle/123456789/342546[SDGs]SDG16A folding method to design linear retro-directive antenna array using hybrid circuitsconference paper10.1109/APS.2008.46189342-s2.0-55649090984