@inproceedings{oai:niigata-u.repo.nii.ac.jp:00030904, author = {Iguchi, Hirofumi and Ishii, Nozomu}, book = {International Symposium on Antennas and Propagation, International Symposium on Antennas and Propagation}, issue = {POS2-20}, month = {Nov}, note = {International Symposium on Antennas and Propagation (ISAP 2012) : October 29 - November 2, 2012 Nagoya, Japan.}, pages = {1108--1111}, publisher = {The Institute of Electronics, Information and Communication Engineers}, title = {Radiation Efficiency Measurement Based on Wheeler Method Using 90-degree 3dB Hybrid Coupler and Sliding Short}, volume = {2012}, year = {2012} }