"Qi Li","Study of two-plane couplers having arbitrary power ratio and their applications to two-dimensional beam switching matrices",,,,,,,2023,Sept. "Qi Li","Study of two-plane couplers having arbitrary power ratio and their applications to two-dimensional beam switching matrices",,,,,,,2023,Sept. "Qi Li","Study of two-plane couplers having arbitrary power ratio and their applications to two-dimensional beam switching matrices",,,,,,,2023,Sept. "Qi Li; Jiro Hirokawa; Takashi Tomura; Yuta Takahashi; Naoki Kita; Nelson J. G. Fonseca,Qi Li","A Two-Dimensional 6×4-Way Hollow Waveguide Beam-Switching Matrix",,"IEEE Access",,,,,2023,July "Qi Li; Jiro Hirokawa; Takashi Tomura,Qi Li","Two-plane waveguide coupler with arbitrary coupling ratios in the H-plane and E-plane directions",,"IET Microwaves, Antennas & Propagation",,,,,2023,July "Qi Li; Jiro Hirokawa; Takashi Tomura; Nelson J. G. Fonseca,Qi Li","Two-Dimensional One-Body 3 × 3-Way Hollow-Waveguide Nolen Matrix Using a Two-Plane Unequal Division Coupler",,"IEEE Transactions on Microwave Theory and Techniques",,,,,2023,July "廣川二郎,Qi Li,Shengjia Wu,戸村崇,Nelson J. G. Fonseca","任意のビーム数を有する1次元および2次元直交切替マトリックスの最近の進展","信学技報",,,,,,2023,June