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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 14 of 14  /   
Committee Date Time Place Paper Title / Authors Abstract Paper #
ED 2023-12-08
Aichi WINC AICHI Development of Ka band High Power Helix TWT for Satellite Earth Station
Daiki Matsumoto, Kahaku Kimura, Tetsuo Machida, Takatsugu Munehiro (NETS) ED2023-47
(To be available after the conference date) [more] ED2023-47
EE, IEE-SPC 2023-07-21
(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
ED 2022-12-09
Aichi 12/8 Nagoya University, 12/9 WINC 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
ED 2021-12-09
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
ED 2021-12-09
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
ICM 2020-03-03
Okinawa Ohama Nobumoto Memorial Hall
(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
SWIM, SC 2019-08-23
Osaka Osaka Sangyo Univ. 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
ED 2017-10-26
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
ED 2016-10-25
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
ED 2015-10-22
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
ED 2015-10-22
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
IA, IPSJ-IOT, SITE [detail] 2015-03-06
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
SITE, IPSJ-EIP 2011-05-19
Tokyo Tokyo Univ. of Science Genetic Access Matrix Analysis Based on Multi Agent Model
Tetsuya Morizumi (Toyo Nets. & S. I. Co. Ltd.), Kazuhiro Suzuki, Masato Noto, Hirotsugu Kinoshita (Kanagawa Univ.) SITE2011-3
How should individuals contribute to the public good? Conversely, how does the public help the individual? We should ana... [more] SITE2011-3
SANE 2011-04-21
Nagano Usuda Deep Space Center, JAXA A Prototype of a 500W-Class Compact Waveguide Combiner by GaN Power Amplifier Units for S-Band Space Communication
Hirofumi Noji, Masakazu Hori, Yasuhiro Shibuya, Kosuke Isono (Tokyo Univ. of Science), Yuta Kobayashi (JAXA), Mitsuo Yamada (SED), Toshio Ishizaki (Ryuukoku Univ.), Sigeki Furuta, Yukio Moriguti (NETS), Tadashi Kawai (HPU), Kenjiro Nishikawa (Kagoshima Univ.), Takaji Kato, Zenichi Yamamoto, Shigeo Kawasaki (JAXA) SANE2011-3
 [more] SANE2011-3
 Results 1 - 14 of 14  /   
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