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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| AP | 2024-03-15 14:00 |
Fukui | UNIVERSITY OF FUKUI (Primary: On-site, Secondary: Online) |
Eigenvalue Analysis of Radio Propagation Utilizing Hollow Cylindrical Concrete Structures in Sea Water Nozomu Ishii, Naoki Kuzuu (Niigata Univ.), Masaharu Takahashi (Chiba Univ.), Qiaowei Yuan (Tohoku Inst. Tech.), Qiang Chen (Tohoku Univ.), Hiroshi Yoshida (JAMSTEC)  AP2023-217 |
This paper reports the results of an eigenmode analysis of radio propagation using a hollow cylindrical concrete structu... [more] | AP2023-217 pp.91-96 |
| AP | 2024-03-15 14:25 |
Fukui | UNIVERSITY OF FUKUI (Primary: On-site, Secondary: Online) |
Distribution of Electromagnetic Fields of Radio Propagation Utilizing Hollow Cylindrical Concrete Structures in Sea Water Qiaowei Yuan, Norihito Yamato (Tohoku Inst. Tech), Nozomu Ishii (Niigata Univ.), Masaharu Takahashi (Chiba Univ.), Qiang Chen (Tohoku Univ.), Hiroshi Yoshida (JAMSTEC) AP2023-218 |
[more] | AP2023-218 pp.97-101 |
| AP | 2024-03-15 15:25 |
Fukui | UNIVERSITY OF FUKUI (Primary: On-site, Secondary: Online) |
Frequency Analysis of Radio Propagation Utilizing Hollow Cylindrical Concrete Structures in Sea Water Kaito Ishikawa, Masaharu Takahashi (Chiba Univ.), Nozomu Ishii (Niigata Univ.), Qiaowei Yuan (Tohoku Inst. Tech.), Qiang Chen (Tohoku Univ.), Hiroshi Yoshida (JAMSTEC) AP2023-220 |
As one of the applications of electromagnetic waves in the ocean, we conducted a basic study of a system for communicati... [more] | AP2023-220 pp.105-108 |
| RCS, SR, SRW (Joint) |
2024-03-13 13:00 |
Tokyo | The University of Tokyo (Hongo Campus), and online (Primary: On-site, Secondary: Online) |
Effects of the Doppler shift on synchronization in underwater acoustic communication Mitsuyasu Deguchi, Yukihiro Kida, Yoshitaka Watanabe, Takuya Shimura (JAMSTEC) RCS2023-259 |
In underwater acoustic communication, the Doppler shifts can degrade demodulation performance more severely than that in... [more] | RCS2023-259 pp.30-35 |
| RCS, SR, SRW (Joint) |
2024-03-13 13:25 |
Tokyo | The University of Tokyo (Hongo Campus), and online (Primary: On-site, Secondary: Online) |
Underwater Acoustic Communication Between Autonomous Surface Vehicle and Autonomous Underwater Vehicle in Shallow Sea Channel
-- Experimental Demonstration of the Mobile Communication Between High Speed Vehicles Using a Multi-channel Decision Feedback Equalizer Approach -- Yukihiro Kida, Mitsuyasu Deguchi, Takuya Shimura (JAMSTEC), Narihiro Iwama (ATLA) RCS2023-260 |
Underwater acoustic communication is known for one of the most severe doubly selective propagation environment with sign... [more] | RCS2023-260 pp.36-41 |
| UWT (2nd) |
2024-01-29 15:15 |
Tokyo | Tokai University Shinagawa Campus (Primary: On-site, Secondary: Online) |
Influence of electric double layer on low-frequency complex permittivity measurements in sea Hiroshi Yoshida (JAMSTEC) |
[more] | |
| UWT (2nd) |
2024-01-29 16:05 |
Tokyo | Tokai University Shinagawa Campus (Primary: On-site, Secondary: Online) |
Measurement of Lateral Waves Along Seabed Using Spherical-Electrode Half Sheath Antennas Takashi Kawamura, Takuma Matsushita, Yukio Kaneko, Nobuaki Kawai, Yasuhiro Matsui, Akihiro Horii (Sony Group), Hiroshi Yoshida (JAMSTEC) |
[more] | |
| UWT (2nd) |
2023-11-27 15:50 |
Shiga | Ritsumeikan University Biwako-Kusatsu Campus (BKC) | [Invited Lecture]
utilization of Zadoff-Chu signals on underwater acoustic communication
-- improving efficiecy of MIMO communication -- Mitsuyasu Deguchi, Yukihiro Kida, Yoshitaka Watanabe, Takuya Shimura (JAMSTEC) |
[more] | |
| UWT (2nd) |
2023-11-27 16:15 |
Shiga | Ritsumeikan University Biwako-Kusatsu Campus (BKC) | [Invited Lecture]
An experiment of underwater acoustic communication between fastly moving vehicles in shallow sea.
-- A demonstration of a mobile underwaetr communication in the relative velocity of higher than 10 kt -- Yukihiro Kida, Mitsuyasu Deguchi, Takuya Shimura (JAMSTEC), Narihiro Iwama (ATLA) |
[more] | |
| RCC, ISEC, IT, WBS | 2023-03-15 13:50 |
Yamaguchi | (Primary: On-site, Secondary: Online) |
A Study on Average Bit Error Rate Analysis of Underwater Optical Camera Communication Using RGB-LED Array Kazune Yokoo, Yusuke Kozawa, Hiromasa Habuchi (Ibaraki Univ.), Takao Sawa (JAMSTEC) IT2022-122 ISEC2022-101 WBS2022-119 RCC2022-119 |
In recent years, underwater visible light communication (UVLC) is being considered to realize large-capacity underwater ... [more] | IT2022-122 ISEC2022-101 WBS2022-119 RCC2022-119 pp.343-348 |
| SR, UWT (Joint) |
2023-01-26 14:40 |
Tokyo | Takanawa Campus, Tokai Univ. (Primary: On-site, Secondary: Online) |
[Invited Talk]
Evaluation of Permittivity and Antenna Design in Seawater Hiroshi Yoshida (JAMSTEC) |
[more] | |
| MICT, WBS | 2022-07-25 09:30 |
Okayama | Okayama Prefectural University | [Poster Presentation]
A Study on Generated Image Analysis for Full-Color Image Sensor Based Underwater Visible Light Communication Kazune Yokoo, Yusuke Kozawa, Hiromasa Habuchi (Ibaraki Univ.), Takao Sawa (JAMSTEC) WBS2022-18 MICT2022-18 |
Recently, Underwater Visible Light Communication (UVLC) has been attracting attention as a short-range underwater wirele... [more] | WBS2022-18 MICT2022-18 pp.6-11 |
| MWPTHz, EST, MW, EMT, OPE, IEE-EMT [detail] | 2022-07-19 14:15 |
Hokkaido | Asahikawa Civic Culture Hall (Primary: On-site, Secondary: Online) |
Projection of Heat-related Morbidity in Future Based on a Large Ensemble of Climate Change Haruto Ueta (NITech), Shiori Sugimoto (JAMSTEC), Sachiko Kodera, Akimasa Hirata (NITech) EMT2022-16 MW2022-40 OPE2022-19 EST2022-17 MWPTHz2022-14 |
The large number of patients with heat-related illness has been transported by ambulance every summer. Further increase ... [more] | EMT2022-16 MW2022-40 OPE2022-19 EST2022-17 MWPTHz2022-14 pp.46-51 |
| UWT (2nd) |
2022-06-20 14:30 |
Online | Online | [Invited Talk]
* Hiroshi Yoshida (JAMSTEC) |
[more] | |
| UWT (2nd) |
2022-03-01 13:05 |
Online | Online | Underwater antennas and an application for under-the-ice robots Hiroshi Yoshida (JAMSTEC), Takashi Noisshiki (JRC), Masaharu Takahashi, Ren Yabiku (Chiba Univ.), Ryotaro Suga (NICT), Tatsurou Yonekura, Shunya Tadano (Iwate Univ.) |
[more] | |
| WPT, UWT (Joint) |
2021-11-12 15:45 |
Online | Online | A Proposal of Digging System Based on Wirelessly Powered Drill Pipe String Needless of Battery Exchange Daisuhe Kitagawa, Toshio Ishizaki (Ryukoku Univ.), Tomoya Inoue, Junya Isiwata (JAMSTEC), Ikuo Awai (Fuji Waves) WPT2021-10 |
We propose the concept of a sensor system which extends the contactless power transfer system for undersea drilling we h... [more] | WPT2021-10 pp.6-10 |
| US | 2021-08-27 13:30 |
Online | Online | Observation of gravity flow with acoustic sensors on deep seafloor
-- Characteristic signal and peculiar signal -- Ryoichi Iwase (JAMSTEC) US2021-27 |
On the deep seafloor off Tokachi in Hokkaido and Hatsushima Island in Sagami Bay, turbidity currents and mudflows genera... [more] | US2021-27 pp.1-2 |
| UWT (2nd) |
2021-06-15 14:45 |
Online | Online | [Invited Lecture]
Study of underwater antennas Hiroshi Yoshida, Mitsuyasu Deguchi (JAMSTEC) |
[more] | |
| NC, NLP (Joint) |
2021-01-21 10:30 |
Online | Online | Phase reduction method for analysis of coupling between coupled oscillator groups exhibiting collective oscillations with statistical approach Takahiro Arai (Kyoto Univ.), Yoji Kawamura (JAMSTEC), Toshio Aoyagi (Kyoto Univ.) NLP2020-42 |
In this paper, we extended the method which extracts a phase description of weakly coupled limit-cycle oscillators from ... [more] | NLP2020-42 pp.13-18 |
| RCS, AP, UWT (Joint) |
2020-11-26 09:25 |
Online | Online | How does underwater antenna work in salty water by applying an electromagnetic field Hiroshi Yoshida (JAMSTEC), Nozomu Ishii (Niigata Univ.), Masaharu Takahashi (Chiba Univ.), Qiang Chen (Tohoku Univ.) AP2020-83 RCS2020-122 |
[more] | AP2020-83 RCS2020-122 pp.56-59(AP), pp.71-74(RCS) |
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