Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
WPT |
2025-03-11 15:15 |
Kyoto |
Kyoto-Univ. (Uji campus) (Kyoto, Online) (Primary: On-site, Secondary: Online) |
Development of centimeter-wave wideband Quadruple-Ridged Antenna
-- Effects of beam pattern on characteristic degradation of coaxial-to-waveguide transition -- Akira Kameyama, Shuto Dakie, HIdeo Ogawa, Toshikazu Onishi (OMU), Shogo Nohara, Kotaro Ninuma (YU), Yasumasa Yamazaki (NAOJ), Yutaka Hasegawa (NICT), Hideki Uzihara (Rits) |
[more] |
|
MW |
2024-11-14 10:15 |
Okinawa |
JA Kume-jima Yuntaku house (Okinawa, Online) (Primary: On-site, Secondary: Online) |
Design and Evaluation of a Broadband Transition between Stripline and Coaxial line Mai Sasaki, Taiyo Ushiyama, Sayu Tomioka, Tsuyoshi Hazemoto, Satoshi Ono (UEC), Sho Masui, Takafumi Kojima (NAOJ), Takeshi Sakai (UEC) MW2024-124 |
[more] |
MW2024-124 pp.7-12 |
EMM, BioX, ISEC, SITE, ICSS, HWS, IPSJ-CSEC, IPSJ-SPT [detail] |
2024-07-23 15:40 |
Hokkaido |
Sapporo Convention Center (Hokkaido) |
Key Substitution Attack against Ordered Multisignature Yusuke (AIST), Yuuki, Kyosuke (Osaka Univ.), Goichiro (AIST) ISEC2024-57 SITE2024-54 BioX2024-67 HWS2024-57 ICSS2024-61 EMM2024-63 |
[more] |
ISEC2024-57 SITE2024-54 BioX2024-67 HWS2024-57 ICSS2024-61 EMM2024-63 pp.320-327 |
EST, MW, EMT, OPE, MWPTHz, IEE-EMT [detail] |
2023-07-21 09:35 |
Hokkaido |
Muroran Institute of Technology (Hokkaido, Online) (Primary: On-site, Secondary: Online) |
Design and Optimization of Nine-Section Broadband Quadrature Hybrid Coupler Using Strip Line Structure Taiyo Ushiyama, Tsuyoshi Narita, Sayu Tomioka, Satoshi Ono (UEC), Sho Masui, Takafumi Kojima (NAOJ), Takeshi Sakai (UEC) EMT2023-50 MW2023-68 OPE2023-50 EST2023-50 MWPTHz2023-46 |
To upgrade the IF bandwidth of radio telescopes, we are developing a broadband quadrature hybrid coupler using strip lin... [more] |
EMT2023-50 MW2023-68 OPE2023-50 EST2023-50 MWPTHz2023-46 pp.208-213 |
AP (2nd) |
2023-06-01 15:20 |
Nagano |
Nagano Prefecture Minamimaki Village Office, Central Public Hall (Nagano) |
[Invited Talk]
Large Millimeter and Submillimeter Single-dish Telescopes for Astronomy in the world
-- Present and Future -- Ryohei Kawabe (NAOJ) |
[more] |
|
IN, NS (Joint) |
2023-03-02 13:50 |
Okinawa |
Okinawa Convention Centre + Online (Okinawa, Online) (Primary: On-site, Secondary: Online) |
A Method for Automatic Generation of 3D Background Models using Fractal Models and Genetic Algorithms Kaito Watanabe, Naoto Hoshikawa (NIT, Oyama College), Hirotaka Nakayama (NAOJ), Tomoyoshi Ito, Atushi Shiraki (Chiba Univ) NS2022-190 |
In recent years, the 3DCG-related industry has grown rapidly and the demand for 3DCG content has increased. However, 3DC... [more] |
NS2022-190 pp.133-138 |
SANE, SAT (Joint) |
2023-03-03 13:30 |
Okinawa |
(Okinawa, Online) (Primary: On-site, Secondary: Online) |
Experiment of multi-frequency multi-beam pointing with a software defined radio for a synthetic aperture radar with transmission frequency multiplexing Akihisa Uematsu, Toshiyuki Nishibori (JAXA), Noriyuki Kawaguchi (NAOJ) SANE2022-119 |
Experiment for previously proposed transmission frequency multiplexing method for Spaceborne synthetic aperture radar (S... [more] |
SANE2022-119 pp.113-117 |
ICTSSL, CAS |
2023-01-27 17:00 |
Tokyo |
TBD (Tokyo, Online) (Primary: On-site, Secondary: Online) |
21GHz-band wideband microstrip line bandpass filter using ring resonator and interdigital couplings Kota Ishimura, Koji Wada (UEC), Noriaki Kawaguchi (NAOJ) CAS2022-95 ICTSSL2022-59 |
In this study, the design of a 21GHz-band bandpass filter (BPF) using a ring resonator and an interdigital coupled line ... [more] |
CAS2022-95 ICTSSL2022-59 pp.163-167 |
SANE |
2023-01-20 11:25 |
Tokyo |
(Tokyo, Online) (Primary: On-site, Secondary: Online) |
[Special Talk]
Towards Coexistence between Highly-sensitive Radio Astronomy Observations and Radio Uses from Aircrafts and Satellites Masatoshi Ohishi (NAOJ) SANE2022-93 |
Highly-sensitive radio astronomy observations receive the faint radio waves from celestial bodies in the Universe, and p... [more] |
SANE2022-93 p.28 |
MW |
2022-12-15 13:05 |
Mie |
Jingu-Kaikan(Ise) (Mie, Online) (Primary: On-site, Secondary: Online) |
Broadband superconducting penta-band bandpass filter for radio astronomy receiver in the UHF band Sota Rachi, Keita Sakuma (Yamanashi Univ.), Takuya Akahori (NAOJ), Naoto Sekiya (Yamanashi Univ.) MW2022-131 |
Mizusawa VLBI Observatory of the National Astronomical Observatory of Japan (NAOJ) has been requested to conduct broadba... [more] |
MW2022-131 pp.1-6 |
MW |
2022-11-15 14:30 |
Nagasaki |
Fukue-Bunka-Kaikan (Nagasaki, Online) (Primary: On-site, Secondary: Online) |
Development of superconducting quad-band bandpass filter for a wideband receiver used in radio astronomy Sota Rachi, Keita Sakuma (Yamanashi Univ.), Takuya Akahori (NAOJ), Naoto Sekiya (Yamanashi Univ.) MW2022-114 |
Mizusawa VLBI Observatory of the National Astronomical Observatory of Japan are promoting the development of broadband r... [more] |
MW2022-114 pp.31-36 |
SCE |
2022-11-04 15:30 |
Miyagi |
RIEC, Tohoku Univ. (Miyagi, Online) (Primary: On-site, Secondary: Online) |
Thin-film type superconducting microwave resonator with an ultra-high quality factor Ryosuke Murayama (Saitama Univ./RIKEN), Satoru Mima (NICT/RIKEN), Takashi Noguchi (NAOJ/RIKEN), Chiko Otani (RIKEN/Tohoku Univ.), Tohru Taino (Saitama Univ./RIKEN) SCE2022-11 |
[more] |
SCE2022-11 pp.11-14 |
KBSE, SC |
2022-11-04 16:30 |
Nagano |
(Nagano, Online) (Primary: On-site, Secondary: Online) |
Fitness Evaluation Based on 3D Model Generation System by Fractal Model and Genetic Algorithm Kaito Watanabe, Naoto Hoshikawa (NIT, Oyama College), Hirotaka Nakayama (NAOJ), Tomoyoshi Ito, Atushi Shiraki (Chiba Univ) KBSE2022-36 SC2022-31 |
In recent years, the 3DCG-related industry has grown rapidly, and the demand for 3DCG content creation has increased, bu... [more] |
KBSE2022-36 SC2022-31 pp.31-36 |
IBISML |
2022-09-15 15:05 |
Kanagawa |
Keio Univ. (Yagami Campus) (Kanagawa, Online) (Primary: On-site, Secondary: Online) |
Improving Efficiency of Regularization Path Computation in Safe Pattern Pruning via Multiple Referential Solutions Takumi Yoshida (Nitech), Hiroyuki Hanada (RIKEN), Kazuya Nakagawa, Shinya Suzumura, Onur Boyar, Kazuki Iwata (Nitech), Shun Shimura, Yuji Tanaka (NaogyaU), Masayuki Karasuyama (Nitech), Kouichi Taji (NaogyaU), Koji Tsuda (UTokyo/RIKEN), Ichiro Takeuchi (NaogyaU/RIKEN) IBISML2022-38 |
Safe Screening and Safe Pattern Pruning are methods for efficiently modeling high-dimensional features by $L_1$-regulari... [more] |
IBISML2022-38 pp.39-46 |
MW |
2022-06-09 14:00 |
Nagano |
Naganoken Nokyo Building (Nagano, Online) (Primary: On-site, Secondary: Online) |
Design and fabrication of stripline type of quadrature hybrid couplers for 3 to 21 GHz band Satoshi Ono, Tsuyoshi Narita (UEC), Sho Masui (OPU/NAOJ), Takafumi Kojima (NAOJ), Takeshi Sakai (UEC) MW2022-24 |
In this study, design and fabrication of broadband quadrature hybrid couplers are shown. Broadside Stripline type of cou... [more] |
MW2022-24 pp.7-12 |
SCE |
2021-11-15 16:55 |
Online |
Online (Online) |
Parametric amplification based on the nonlinearity of the normal conductivity in the superconducting transmission lines Takashi Noguchi (NAOJ/RIKEN), Satoru Mima, Chiko Otani (RIKEN) SCE2021-11 |
[more] |
SCE2021-11 pp.19-24 |
NS |
2021-10-07 09:15 |
Online |
Online (Online) |
Research on procedural technology of 3D landscape image using fractal models and genetic algorithm Kaito Watanabe, Naoto Hoshikawa (Oyama College), Hirotaka Nakayama (NAOJ), Atushi Shiraki, Tomoyoshi Ito (Chiba Univ) |
We propose an automatic generation method of 3D landscape data to meet the growing demand for 3D content and the labor s... [more] |
|
RCS, SR, NS, SeMI, RCC (Joint) |
2021-07-15 09:25 |
Online |
Online (Online) |
A Multi-Rate Multi-User Differential Chaos Shift Keying System Meiyuan Miao (Naogya Univ./Xiamen Univ.), Chedlia Ben Nnaila, Hiraku Okada, Masaaki Katayama (Nagoya Univ.) RCS2021-86 |
This work proposes a new multiple access method using chaos, i.e.,multi-rate multi-access differential chaos-shift-keyin... [more] |
RCS2021-86 pp.45-48 |
SITE, IA, IPSJ-IOT [detail] |
2021-03-02 11:20 |
Online |
Online (Online) |
AntiSurvivalism Sachio Horie (NU) SITE2020-50 IA2020-46 |
[more] |
SITE2020-50 IA2020-46 pp.72-79 |
ICSS |
2020-11-26 15:00 |
Online |
Online (Online) |
Initial Study of Incident Response Support System for Multi-Located Network Masahito Kumazaki, Hirokazu Hasegawa, Yukiko Yamaguchi, Hajime Shimada (Naoya Univ.), Hiroki Takakura (NII) ICSS2020-22 |
In the organization network which are consisted multi-sites, there are differences in security strength between the head... [more] |
ICSS2020-22 pp.17-20 |