Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
SANE, SAT (Joint) |
2025-03-06 16:50 |
Okinawa |
Nago Civic Hall 【Tour in March 7th】 (Okinawa, Online) (Primary: On-site, Secondary: Online) |
Estimation of Interference Source Using GPS Data from Geostationary Satellites Moeko Hidaka, Makoto Tomitaka, Naoki Miyashita, Yu Nakajima, Toru Yamamoto (JAXA), Satoko Kawakami, Tomoaki Eda, Takahiro Shimizu, Ryo Harada, Susumu Kumagai (NECSpace) |
(To be available after the conference date) [more] |
|
SAT, RCS (Joint) |
2024-08-29 09:40 |
Kochi |
CUL-PORT(Kochi City) (Temporary) (Kochi, Online) (Primary: On-site, Secondary: Online) |
Development of new TT&C transponder for satellite Shunsuke Okada, Tomomi Kouzu, Masaki Hiruta (NECSpace) SAT2024-33 |
NECSpace have developed large amount of satellite on-board RF equipment. TT&C transponder is key equipment used for comm... [more] |
SAT2024-33 pp.6-9 |
ED |
2023-12-08 09:25 |
Aichi |
WINC AICHI (Aichi) |
Development of Ka band High Power Helix TWT for Satellite Earth Station Daiki Matsumoto, Kahaku Kimura, Tetsuo Machida, Takatsugu Munehiro (NETS) ED2023-47 |
With the recent advancement of communication capacity and speed, in the field of satellite communications, large-capacit... [more] |
ED2023-47 pp.35-38 |
EE, IEE-SPC |
2023-07-21 10:45 |
Hyogo |
(Hyogo, Online) (Primary: On-site, Secondary: Online) |
Shape congruence of the static amplification characteristic curves between distar and bipolar transistor Ken-ichiro Okamoto, Kensho Okamoto (Kyoto Univ.), Kazunori Morishita (Kyoto Univ., Energy Inst.), Atsushi Okuno (Green Planets) EE2023-14 |
A new type of amplification device called a "distar," which operates in the same way as a bipolar transistor (junction-t... [more] |
EE2023-14 pp.73-78 |
MICT, WBS, RCC, SAT (Joint) [detail] |
2023-05-26 09:00 |
Tokyo |
TOKYO BIG SIGHT (Tokyo, Online) (Primary: On-site, Secondary: Online) |
Software-Defined Radio Receiver for Satellite Hiroshi Nagasaki, Hiromichi Yoshiga, Shunsuke Kawasaki (NECSpace) SAT2023-4 MICT2023-4 |
(To be available after the conference date) [more] |
SAT2023-4 MICT2023-4 pp.16-19 |
MICT, WBS, RCC, SAT (Joint) [detail] |
2023-05-26 13:30 |
Tokyo |
TOKYO BIG SIGHT (Tokyo, Online) (Primary: On-site, Secondary: Online) |
[Special Talk]
Development history of RF components for satellite communication Shunsuke Okada, Chihiro Sakakibara, Hiruta Masaki (NECSpace) SAT2023-8 MICT2023-8 |
NECSpace have developed on-board equipment for satellite from the very beginning of space development history in Japan. ... [more] |
SAT2023-8 MICT2023-8 pp.38-41 |
ED |
2022-12-09 14:35 |
Aichi |
12/8 Nagoya University, 12/9 WINC AICHI (Aichi) |
Optimal Design of Attenuator for Helix-TWTs by Using 3D Numerical Simulations Kenji Nakajima (GSST/NECSpace/NETS), Kunio Tsutaki (RIE Shizuoka Univ.), Yoichiro Neo, Hidenori Mimura (RIE Shizuoka Univ./GSST Shizuoka Univ.) ED2022-66 |
With the recent advancement of communication capacity and speed, traveling wave tubes (TWT), that are used as final stag... [more] |
ED2022-66 pp.51-54 |
ED |
2021-12-09 10:15 |
Online |
Online (Online) |
Development of 300GHz band TWT with Folded Waveguide Yoshihiro Kajikawa, Daiki Matsumoto, Akihiko Kasahara, Syuji Abiko (NETS) ED2021-38 |
In recent years, there is a growing expectation for next-generation high-capacity high-speed communication and imaging u... [more] |
ED2021-38 pp.7-10 |
ED |
2021-12-09 14:20 |
Online |
Online (Online) |
Optimal Design of Pillbox Window and Electron Gun for TWTs by Using 3D Numerical Simulations Kenji Nakajima (GSST Shizuoka Univ./NECSpace/NETS), Naofumi Kosugi (NETS), Kunio Tsutaki (RIE Shizuoka Univ.), Hidenori Mimura (RIE Shizuoka Univ./GSST Shizuoka Univ.) ED2021-44 |
Conventionally, the optimal design of TWT has been carried out by 2D axisymmetric simulation based on the theory of TWT ... [more] |
ED2021-44 pp.32-37 |
ICM |
2020-03-03 14:50 |
Okinawa |
Ohama Nobumoto Memorial Hall (Okinawa) (Cancelled but technical report was issued) |
[Encouragement Talk]
Enhancement of Q&A Recommendation System for Network Support Center by Machine Learning Yuji Kojima (FUJITSU), Shinji Yamashita (FUJITSU LAB.), Kodo Ran, Yasuhiko Aoki (FUJITSU), Hiroyuki Uehara (FNETS), Manabu Wakao, Masao Hayashi (FUJITSU) ICM2019-61 |
In case of failure in network equipment, operators in network support center analyze the root cause and answer to the us... [more] |
ICM2019-61 pp.111-116 |
SWIM, SC |
2019-08-23 15:00 |
Osaka |
Osaka Sangyo Univ. (Osaka) |
Collection of Acoustical Environment Information on Wireless Network
-- sound recordings in 5G era -- Toru Takahashi, Toshihiro Akatsuka, Koji Yamada (OSU), Shohei Koyama, Hiroaki Masuda, Misao Kumokita, Toshio Tsukagoshi (FNETS) SWIM2019-16 SC2019-16 |
This report is described about developing acoustic environment information collecting service on the 5G network. The sys... [more] |
SWIM2019-16 SC2019-16 pp.25-28 |
DC |
2019-02-27 16:25 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. (Tokyo) |
Reliability evaluation of the optical navigation electronics of HAYABUSA2
-- Onboard demonstration of a high reliability system with limited resources -- Hiroki Hihara (NECSpace/NEC), Junpei Sano (NECSpace), Tetsuya Masuda (NEC), Hisashi Otake, Tatsuaki Okada, Naoko Ogawa, Yuichi Tsuda (JAXA) DC2018-84 |
The optical navigation camera digital electronics of HAYABUSA2 asteroid probe was developed to fulfill the reliability a... [more] |
DC2018-84 pp.77-82 |
ED |
2017-10-26 14:45 |
Miyagi |
(Miyagi) |
Development Activity of Vacuum Electronics in THz Band Yoshihiro Kajikawa, Mitsuru Yoshida, Takatsugu Munehiro, Norio Masuda (NETS), Norihiko Sekine, Atsushi Kanno, Naokatsu Yamamoto, Akifumi Kasamatsu, Iwao Hosako (NICT) ED2017-39 |
At frequencies in “Terahertz Gap” band, power generating technology has been one of major R&D challenges. Recently, vacu... [more] |
ED2017-39 pp.13-16 |
ED |
2016-10-25 14:15 |
Mie |
(Mie) |
Development Activity of Vacuum Electronics in THz Band Mitsuru Yoshida, Junichi Kobayashi, Yusuke Fujishita, Norio Masuda (NETS), Norihiko Sekine, Atsushi Kanno, Naokatsu Yamamoto, Akifumi Kasamatsu, Iwao Hosako (NICT) ED2016-45 |
There is a region called "Terahertz Gap" between the highest frequency of microwave technology and the lowest frequency ... [more] |
ED2016-45 pp.9-12 |
ED |
2015-10-22 15:55 |
Aichi |
(Aichi) |
A Study of 300GHz band TWT Design with Folded Waveguide fabricated by Micro Electro Mechanical Systems Kunio Tsutaki, Yoichiro Neo, Hidenori Mimura (Sizuoka Univ.), Norio Masuda, Mitsuru Yoshida, Junichi Matsuoka (NETS) ED2015-59 |
[more] |
ED2015-59 pp.25-30 |
ED |
2015-10-22 16:20 |
Aichi |
(Aichi) |
Development Activity of Vacuum Electronics in THz Band Mitsuru Yoshida, Koji Okamoto, Norio Masuda, Junichi Matsuoka (NETS), Norihiko Sekine, Atsushi Kanno, Naokatsu Yamamoto, Iwao Hosako (NICT) ED2015-60 |
There is a region called "Terahertz Gap" between the highest frequency of microwave technology and the lowest frequency ... [more] |
ED2015-60 pp.31-34 |
IA, IPSJ-IOT, SITE [detail] |
2015-03-06 13:30 |
Fukushima |
(Fukushima) |
Development of the folk implements database using the relational model and thesaurus for the digital archive Toshihide Hanyu, Sumiko Miyata (Kanagawa Univ.), Tetsuya Morizumi (Toyo NetSI), Hirotsugu Kinoshita (Kanagawa Univ.) SITE2014-77 IA2014-109 |
In recent years, digitization of museum material information has been promoted. Some museums provide digital material in... [more] |
SITE2014-77 IA2014-109 pp.215-220 |