Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
AP |
2024-04-11 13:25 |
Hyogo |
KOBE PORT OASIS (Primary: On-site, Secondary: Online) |
Long-term trends in rainfall extreme data in Japan Yoshio Karasawa AP2024-2 |
We investigate the statistical properties of extreme rainfall data (annual maximum values) in Japan. Since rainfall char... [more] |
AP2024-2 pp.7-12 |
AP |
2024-04-11 13:50 |
Hyogo |
KOBE PORT OASIS (Primary: On-site, Secondary: Online) |
Statistics of the maximum rainfall for N years in Japan Yoshio Karasawa AP2024-3 |
We investigate the statistical properties of extreme rainfall data (annual maximum values) in Japan. This report is a se... [more] |
AP2024-3 pp.13-18 |
MIKA (3rd) |
2023-10-11 14:30 |
Okinawa |
Okinawa Jichikaikan (Primary: On-site, Secondary: Online) |
[Poster Presentation]
Feature Analysis of Water Level Data for Remote Control of Sluice Gates in the Onga River Takahiro Ueno, Shintaro Mori, Makoto Misumi, Masayoshi Ohashi (Fukuoka Univ.) |
We are developing a system to remotely control and monitor the sluice gates in the Onga River along the reaches of the O... [more] |
|
MICT, WBS, RCC, SAT (Joint) [detail] |
2023-05-26 09:25 |
Tokyo |
TOKYO BIG SIGHT (Primary: On-site, Secondary: Online) |
A study on the rain attenuation duration characteristics using the different Ku-band satellite signals measured at multiple locations Yasuyuki Maekawa (Osaka Electro-Commun. Univ.), Koichi Harada, Junichi Abe, Fumihiro Yamashita (NTT Corporation) SAT2023-5 MICT2023-5 |
The signal levels of Ku-band BS broadcast radio waves and JCSAT-5A beacon radio waves have been simultaneously measured ... [more] |
SAT2023-5 MICT2023-5 pp.20-25 |
RCS |
2023-04-13 13:45 |
Shimane |
Matsue New Urban Hotel, and online (Primary: On-site, Secondary: Online) |
[Invited Lecture]
Development of millimeter-wave wireless communication systems for the Tokaido Shinkansen Yoshihiro Matsumura, Takeshi Nishiyama, Tomoyuki Tange, Eishi Sasaki (JR-Tokai), Hiroyuki Igura, Tomoki Arakawa (NEC), Yukitoshi Sanada (Keio-U) RCS2023-6 |
The Tokaido Shinkansen uses digital LCX train radio for communication between control center and train crews. We have be... [more] |
RCS2023-6 pp.26-31 |
SR, UWT (Joint) |
2023-01-27 11:30 |
Tokyo |
Takanawa Campus, Tokai Univ. (Primary: On-site, Secondary: Online) |
[Invited Talk]
Development of wireless communication devices and antennas for the Tokaido Shinkansen Yoshihiro Matsumura, Tomoyuki Tange, Takeshi Nishiyama, Eishi Sasaki (JR-Central), Kengo Nishimoto, Hiroyuki Akutsu (Mitsubishi Electric), Hiroyuki Igura, Tomoki Arakawa (NEC), Yukitoshi Sanada (Keio) SR2022-77 |
This paper outlines the development process of a new type of electrostatic antenna and millimeter-wave train radio for t... [more] |
SR2022-77 pp.28-34 |
SWIM |
2022-11-26 14:15 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. (Primary: On-site, Secondary: Online) |
Proposal for Small and Medium River Flood Warning System Using Big Data Tsukasa Kudo, Ryunosuke Hosaka (SIST) SWIM2022-21 |
Recently, floods in small and medium-sized rivers have been increasing due to extreme weather conditions. It is importan... [more] |
SWIM2022-21 pp.2-9 |
SAT, KOSST |
2022-10-06 16:05 |
Fukuoka |
(Primary: On-site, Secondary: Online) |
Recent increase in rain attenuation statistics of Ku-band satellite communications links and its relation to the climate change Shoya Funo, Yoshiaki Shibagaki, Yasuyuki Maekawa (Osaka Electro-Commun. Univ.) SAT2022-47 |
Rain attenuation statistics of the Ku-band BS radio wave (11.84 GHz) measured over 30 years at Osaka Electro-Communicati... [more] |
SAT2022-47 pp.16-19 |
AP |
2021-10-07 09:00 |
Online |
Online |
[Tutorial Lecture]
A Study on the Measurement and Estimation Methods of Rain Attenuation Characteristics in Satellite Communications Links Yasuyuki Maekawa (Osaka Electro-Commun. Univ.) AP2021-68 |
Rain attenuation characteristics of Ka and Ku band satellite communication links are presented using the domestic CS (19... [more] |
AP2021-68 pp.1-6 |
SAT |
2021-10-08 11:00 |
Online |
Online |
Relationship between rain attenuation characteristics and rain area distribution on the propagation path of satellite communications links Yasuyuki Maekawa,, Yoshiaki Shibagaki (Osaka Electro-Commun. Univ.) SAT2021-49 |
Rain attenuation characteristics due to the passage of rain areas are discussed using the Ku-band BS satellite signal ob... [more] |
SAT2021-49 pp.32-35 |
RCS, SAT (Joint) |
2021-08-27 10:30 |
Online |
Online |
[Encouragement Talk]
The effects of upper air rain area velocities on the rain attenuation characteristics in satellite communications links Yasuyuki Maelawa, Yoshiaki Shibagaki (Osaka Electro-Commun. Univ.) SAT2021-34 |
Rain attenuation characteristics due to rain area motion associated with rain front passage are investigated for the equ... [more] |
SAT2021-34 pp.33-36 |
SAT |
2020-12-11 09:25 |
Online |
Online |
Rainfall Attenuation Characteristics due to Typhoon and Rain Front Passage in Satellite Communications Links Yasuyuki Maekawa, Shunichi Sasaki, Kosuke Yamasaki, Yoshiaki Shibagaki (Osaka Electro-Commun. Univ.) SAT2020-24 |
Rain attenuation characteristics due to typhoon passage are discussed using the Ku band satellite signal observations co... [more] |
SAT2020-24 pp.7-12 |
SAT |
2019-10-11 09:00 |
Fukuoka |
JR HAKATA CITY {10F RoomA+B} |
Rain Attenuation Characteristics due to Typhoon Passage in Ku-band Satellite Links Shunichi Sasaki, Yasuyuki Maekawa (Osaka Electro-Commun. Univ.) SAT2019-56 |
Rain attenuation characteristics due to typhoon passage are discussed using the Ku band satellite signal observations co... [more] |
SAT2019-56 pp.51-54 |
SAT |
2019-10-11 09:50 |
Fukuoka |
JR HAKATA CITY {10F RoomA+B} |
A Comparison between Long-term Rain Attenuation Statistics and ITU-R Prediction Methods in Ku-Band Satellite Links Kosuke Yamasaki, Yasuyuki Maekawa (Osaka Electro-Comm. Univ.) SAT2019-57 |
A remarkable increasing tendency of yearly rain attenuation statistics of cumulative time percentages is obtained from l... [more] |
SAT2019-57 pp.61-64 |
AP |
2019-08-21 14:35 |
Hokkaido |
Hokkai-Gakuen Univ. |
Long-term Statistics of Maximum Rainfall in Japan based on Statistics of Extremes Yoshio Karasawa AP2019-49 |
In the first half of this report, we evaluate long-term statistics of the largest rainfall data in each year concerning ... [more] |
AP2019-49 pp.13-18 |
WPT, AP (Joint) |
2019-01-17 11:35 |
Aichi |
Toyota Automobile Museum |
[Invited Lecture]
Dynamic rainfall intensity and rain attenuation model in Ka band satellite communication Isao Nakazawa, Yoshiya Arakaki, Kenji Suzuki, Tomoshige Kan, KazuKazuyoshi Kawasaki, Morio Toyoshima, Takashi Takahashi (NICT) AP2018-155 |
National Institute of Information and Communications Technology is advancing research projects to realize ultrahigh-spee... [more] |
AP2018-155 pp.23-28 |
IN, ICTSSL, NWS (Joint) [detail] |
2018-10-19 14:00 |
Kagawa |
Takamatsu Shoko Kaigisyo Kaikan |
Research for Understanding Approximate Damage Situation after Wide-area Disaster
-- A Case Study of 2018 West Japan Great Flooding -- Munenari Inoguchi (Univ. of Toyama), Keiko Tamura (Niigata Univ.), Haruo Hayashi (NIED) ICTSSL2018-34 IN2018-51 |
Recently many kinds of disaster occurred in anywhere of Japan, such as earthquake, typhoon and flood. 2018 Great West Ja... [more] |
ICTSSL2018-34 IN2018-51 pp.49-52 |
SAT, WBS (Joint) |
2018-05-24 13:55 |
Kagoshima |
Kagoshima University |
Recent Increasing Trend in Rain Attenuation Statistics of Ku-Band Satellite Communications Links Yasuyuki Maekawa (Osaka Electro-Commun. Univ) SAT2018-3 |
The long-term rain attenuation statistics of cumulative time percentages are obtained from Ku band satellite signal obse... [more] |
SAT2018-3 pp.11-14 |
MoNA |
2017-12-21 10:55 |
Tokyo |
Ochanomizu University |
Proposal of High Risk Priority Method for Disaster Prevention-Oriented Rainfall Information Synthesis Hitomi Sano (Ochanomizu Univ.), Eiji Ikoma (Tokyo Univ.), Masaru Kitsuregawa (NII), Masato Oguchi (Ochanomizu Univ.) MoNA2017-30 |
In recent years, the phenomenon of localized bursts of rainfall has increased in Japan. For this reason, collecting and ... [more] |
MoNA2017-30 pp.15-18 |
SAT |
2017-10-26 15:40 |
Okinawa |
Okinawa Cellular Telephone Company |
Recent Tendencies of Increase in Yearly Cumulative Time Percentages of Rain Attenuation in Ku-Band Satellite Communications Links Hidemi Miura, Yasuyuki Maekawa (Osaka Electro-Commun. Univ.) SAT2017-46 |
The long-term rain attenuation statistics of cumulative time percentages are obtained from Ku band satellite signal obse... [more] |
SAT2017-46 pp.55-58 |