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FonsecaNelson J. G. 研究業績一覧 (24件)
論文
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Qi Li,
Jiro Hirokawa,
Takashi Tomura,
Nelson J. G. Fonseca.
Two-Dimensional One-Body 3 × 3-Way Hollow-Waveguide Nolen Matrix Using a Two-Plane Unequal Division Coupler,,
IEEE Trans. Microw. Theory Tech.,
vol. 72,
no. 1,
pp. 376-390,
Jan. 2024.
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Shengjia Wu,
Jiro Hirokawa,
Takashi Tomura,
Nelson J. G. Fonseca.
Optimal Adjacent Output Phase Difference Assignments in One-Dimensional Parallel Switching Matrices With Four Beams,
IEEE J. Microw.,
vol. 3,
no. 4,
pp. 1199-1211,
Oct. 2023.
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Qi Li,
Jiro Hirokawa,
Takashi Tomura,
Yuta Takahashi,
Naoki Kita,
Nelson J. G. Fonseca.
A Two-Dimensional 6×4-Way Hollow Waveguide Beam-Switching Matrix,
IEEE Access,
vol. 11,
pp. 74239-74249,
July 2023.
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Jiro Hirokawa,
Nelson J. G. Fonseca.
Special assignments of adjacent output phase differences per input ports in generalized one-dimensional parallel switching matrices,
IEICE Commun. Express,
vol. 11,
no. 6,
pp. 268-272,
June 2022.
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Jiro Hirokawa,
Nelson J. G. Fonseca.
One-body Two-dimensional Switching Matrices with a Triangular Lattice of Beams,
IEEE Antennas Wirel. Propag. Lett.,
vol. 21,
no. 3,
pp. 581-585,
Mar. 2022.
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Jiro Hirokawa,
Nelson J. G. Fonseca.
Generalized One-Dimensional Parallel Switching Matrices With an Arbitrary Number of Beams,
IEEE J. Microw.,
vol. 1,
no. 4,
Oct. 2021.
国際会議発表 (査読有り)
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Jiro Hirokawa,
Qi Li,
Takashi Tomura,
Nelson J. G. Fonseca.
Recent Advances on Two-dimensional Orthogonal Switching Matrices with an Arbitrary Number of Beam,
IEEE Applied Sensing Conf.,
Jan. 2024.
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Shengjia Wu,
Jiro Hirokawa,
Takashi Tomura,
Nelson Fonseca.
Comparative Evaluation of Different Assignments for Special Configurations of 1-D Parallel Switching Matrices With Four Beams,
Intl. Symp. Antennas Propag.,
Oct. 2023.
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Jiro Hirokawa,
Nelson Fonseca.
Numerical Design of Two-Dimensional Switching Matrices with a Triangular Lattice of Beams,,
Euro. Conf. Antennas Propag.,
Mar. 2023.
-
Jiro Hirokawa,
Nelson J. G. Fonseca.
Special assignments of output phase differences in generalized one-dimensional switching matrices,
IEEE AP-S URSI Intl. Symp.,
July 2022.
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Qi Li,
Jiro Hirokawa,
Takashi Tomura,
Nelson J. G. Fonseca.
A 3×3-way Hollow Waveguide Nolen Matrix Using a 2-plane Unbalanced Coupler,
IEEE AP-S URSI Intl. Symp.,
July 2022.
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Jiro Hirokawa,
Nelson J. G. Fonseca.
Numerical Design of Planar Switching Matrices with an Arbitrary Number of Beams using Two-way Couplers,
IEEE AP-S URSI Intl. Symp.,
Dec. 2021.
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Qi Li,
Jiro Hirokawa,
Takashi Tomura,
Nelson J. G. Fonseca.
Design of a Waveguide Two-plane Hybrid Coupler with Nonuniform Division,
IEEE APS/URSI 2021,
Dec. 2021.
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Jiro Hirokawa,
Nelson J. G. Fonseca.
Beam-Switching 2-D Butler Matrices Generating a Triangular Lattice of Beams,
Intl. Symp. Antennas Propag.,
Oct. 2021.
国内会議発表 (査読なし・不明)
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Shengjia Wu,
Jiro Hirokawa,
Takashi Tomura,
Nelson J. G. Fonseca.
Design of Phase Shifters in Best Assignment for Post-wall 1-D Parallel Switching Matrices with Five Beams,
信学総大,
Mar. 2024.
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Shengjia Wu,
Jiro Hirokawa,
Takashi Tomura,
Nelson J. G. Fonseca.
Design of Couplers in Post-wall 1-D Parallel Switching Matrices with Eight Beams,
信学通信大,
Sept. 2023.
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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,
June 2023.
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Shengjia Wu,
Jiro Hirokawa,
Takashi Tomura,
Nelson J. G. Fonseca.
Comparative Evaluation of Different Assignments for Post-wall 1-D Parallel Switching Matrices with Four Beams,
信学総大,
Mar. 2023.
-
Shengjia Wu,
Jiro Hirokawa,
Takashi Tomura,
Nelson J. G. Fonseca.
Assignment of Adjacent Output Phase Differences Per Input Port in One-dimensional Parallel Switching Matrices,
信学技報,
Oct. 2022.
-
Shengjia Wu,
Jiro Hirokawa,
Takashi Tomura,
Nelson J. G. Fonseca.
Comparative Evaluation of Different Assignments for 1-D Parallel Switching Matrices with Four Beams,
信学ソ大,
Sept. 2022.
-
Shengjia Wu,
Jiro Hirokawa,
Takashi Tomura,
Nelson J. G. Fonseca.
Special Configurations of 1-D Parallel Switching Matrices with Four Beams,
信学総大,
Mar. 2022.
-
Qi Li,
Jiro Hirokawa,
Takashi Tomura,
Nelson J. G. Fonseca.
A 3×3-way Hollow-waveguide Nolen Matrix Using a 2-plane Coupler with Unequal Power Division,
IEICE General Conf.,
Mar. 2022.
-
Jiro Hirokawa,
Nelson J. G. Fonseca.
Special assignments of output phase differences per input ports in generalized one-dimensional switching matrices,
信学総大,
Mar. 2022.
-
廣川二郎,
Nelson J. G. Fonseca.
任意ビーム数1次元切替マトリックスの数値設計と2次元三角ビーム配列への適用,
信学通信大,
Sept. 2021.
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