![Single-feed wideband circularly polarized patch antenna using dual mode defected ground waveguide coupling structure]()
Single-feed wideband circularly polarized patch antenna using dual mode defected ground waveguide coupling structureWang, Chuanyun; Liu, Haiwen; Zhang, Xiaoyan; Zhu, Shuangshuang; Wen, Pin; Chen, Guibin · International Journal of RF and Microwave Computer-Aided Engineering · 2018