@article{CTT100809437,
  author = {T. Tomura and D. Kim and M. Wakasa and Y. Sunaguchi and J. Hirokawa and K. Nishimori},
  title = {A 20-GHz-band 64×64 hollow waveguide two-dimensional Butler matrix},
  journal = {IEEE Access},
  year = 2019,
}

@inproceedings{CTT100809396,
  author = {砂口 裕希 and 戸村 崇 and 廣川 二郎},
  title = {2次元対称性を考慮した導波管2面結合器の反射抑圧設計},
  booktitle = {信学技報},
  year = 2019,
}

@inproceedings{CTT100809391,
  author = {Yuki Sunaguchi and Takashi Tomura and Jiro Hirokawa},
  title = {Control of Radiation Direction in an Aperture Array excited by a Waveguide 2-plane Hybrid Coupler},
  booktitle = {International Symposium on Antennas and Propagation},
  year = 2019,
}

@inproceedings{CTT100809393,
  author = {砂口裕希 and 戸村崇 and 廣川二郎},
  title = {66GHz帯16ビーム2次元ビーム切替一体化中空導波管バトラーマトリックスの設計},
  booktitle = {電子情報通信学会ソサイエティ大会講演論文集},
  year = 2019,
}

@inproceedings{CTT100809388,
  author = {砂口裕希 and 戸村崇 and 廣川二郎},
  title = {導波管2面結合ハイブリッド給電開口アレーの放射方向制御},
  booktitle = {電子情報通信学会総合大会講演論文集},
  year = 2019,
}