C. J. ChenT. H. ChuY. W. ChenTAH HSIUNG CHU2018-09-102018-09-102007-06http://scholars.lib.ntu.edu.tw/handle/123456789/333606Measurement of fully symmetric four-port device using two-port network analyzerconference paper10.1109/APS.2007.43955592-s2.0-48349131474