S. H. YanTAH HSIUNG CHU2018-09-102018-09-102008-06http://scholars.lib.ntu.edu.tw/handle/123456789/342545An electronically scanned array with 180∘scanning range using coupled phase- locked loopsconference paper10.1109/MWSYM.2008.46329282-s2.0-57349096050