Publication

雑誌論文

  1. Atsushi Tsuchiya, Tadashi EBIHARA, Yuji Sato, Naoto WAKATSUKI, Takuya Aoki, Tohru Yoshihara, “Variational calculation of underwater acoustic propagation delays in non-uniform sound-speed fields with field data validation ,” Japanese Journal of Applied Physics, 2026.
  2. Taiga Saito, Tadashi Ebihara, Atsushi Tsuchiya, Yuji Sato, Naoto Wakatsuki, Keiichi Zempo, Tohru Yoshihara, “Underwater acoustic positioning using reconstructed wavefront sets based on time-of-arrival in multipath environments,” Japanese Journal of Applied Physics, 2026.
  3. Yuji Sato, Tadashi EBIHARA, Atsushi Tsuchiya, Naoto WAKATSUKI, Takuya Aoki, Tohru Yoshihara, “Underwater acoustic positioning using a ray-tracing-based ToA–wavefront database in very shallow water with a non-uniform sound speed profile ,” Japanese Journal of Applied Physics, 2026.
  4. Taiga Saito, Tadashi Ebihara, Yuji Sato, Atsushi Tsuchiya, Naoto Wakatsuki, Keiichi Zempo, “Basic study on underwater acoustic positioning using time-of-flight and direction-of-arrival with semi-circular array ,” Japanese Journal of Applied Physics 64, 048006, 2025.
  5. Atsushi Tsuchiya, Naoto Wakatsuki, Tadashi Ebihara, Keiichi Zempo, and Koichi Mizutani, “Self-localization method using a single acoustic ranging sensor based on impulse response and Doppler effect,” in IEEE Journal of Indoor and Seamless Positioning and Navigation, vol. 2, pp. 193-204, 2024.
  6. Atsushi Tsuchiya, Naoto Wakatsuki, Tadashi Ebihara, Keiichi Zempo, and Koichi Mizutani, “Indoor self-localization using multipath arrival time measured by a single acoustic ranging sensor,” Japanese Journal of Applied Physics, 61, pp. SG1037-1- SG1037-8, 2022.
  7. 土屋 充志, 水谷 孝一, 若槻 尚斗, 海老原 格, 地下環境における点検ロボットのための音響反射を利用した自己位置推定法, 土木学会論文集F3（土木情報学）, 77 巻, 2 号, pp. I_89-I_96, 2021.

 

国際会議論文

  1. Atsushi Tsuchiya, Tadashi Ebihara, Naoto Wakatsuki, and Tohru Yoshihara, “Velocity estimation of an underwater vehicle using Doppler shift of positioning signals,” 2025 IEEE Underwater Technology (UT), 6 pages, Taipei, Mar. 2025.
  2. Taiga Saito, Atsushi Tsuchiya, Tadashi Ebihara, Naoto Wakatsuki and Keiichi Zempo, “Design of underwater acoustic positioning system using delay-and-sum beamforming,” 2024 IEEE 13th Global Conference on Consumer Electronics, pp.451-454, Kokura, Oct. 2024. 
  3.  Ryoichi Ishijima, Atsushi Tsuchiya, Tadashi Ebihara, Naoto Wakatsuki and Yuka Maeda, “Simultaneous Underwater acoustic communication and positioning using orthogonal signal division multiplexing in coastal area,” 2024 IEEE 13th Global Conference on Consumer Electronics, pp.455-459, Kokura, Oct. 2024.
  4. Atsushi Tsuchiya, Naoto Wakatsuki, Tadashi Ebihara, Keiichi Zempo, and Koichi Mizutani, ” Relationship between the resolution of echo images obtained from an acoustic ranging sensor and the accuracy of self-position estimation,” 2024 IEEE 13th Global Conference on Consumer Electronics, pp. 460-464, Kokura, Oct. 2024.
  5. Atsushi Tsuchiya, Naoto Wakatsuki, Tadashi Ebihara, Keiichi Zempo, and Koichi Mizutani, “Method of reconstructing wall positions using direction-of-arrival estimation based on the Doppler effect of omnidirectional active sonar,” Proceedings of the Work-in-Progress Papers at the 13th International Conference on Indoor Positioning and Indoor Navigation, 198, 12 pages, Nürnberg, Sep. 2023.
  6. Atsushi Tsuchiya, Naoto Wakatsuki, Tadashi Ebihara, Keiichi Zempo, and Koichi Mizutani, “Time-of-arrival measurement method for reflected waves from multiple directions using doppler effect by a single coaxially placed omnidirectional sp and mic,” Proceedings of the 29th International Congress on Sound and Vibration, 268, 8 pages, Praha, Jul. 2023.
  7. Atsushi Tsuchiya, Naoto Wakatsuki, Tadashi Ebihara, Keiichi Zempo, and Koichi Mizutani, “Indoor self-localization of mobile robots using asynchronous acoustic multipath arrival time measurement,” 2022 IEEE 11th Global Conference on Consumer Electronics, pp. 177-181, Osaka, Oct. 2022.
  8. Atsushi Tsuchiya, Naoto Wakatsuki, Tadashi Ebihara, Keiichi Zempo, and Koichi Mizutani, “Estimation of distance to wall surface using omnidirectional speaker,” 2019 IEEE 8th Global Conference on Consumer Electronics, pp. 1168-1171, Osaka, Oct. 2019.