Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
AP |
2024-03-14 13:25 |
Fukui |
UNIVERSITY OF FUKUI (Primary: On-site, Secondary: Online) |
[Invited Talk (Young Researcher)]
Design Method of Platform Excitation Antenna and Feeding Structure Takumi Nishime, Hiroshi Hashiguchi, Naobumi Michishita (National Defense Academy) AP2023-205 |
Miniaturization and low-profile are required for mobile device antennas. On the other hand, miniaturization and low prof... [more] |
AP2023-205 pp.23-28 |
AP, MW (Joint) |
2022-09-16 12:25 |
Ehime |
The Museum of Art, EHIME (Primary: On-site, Secondary: Online) |
Bandwidth Enhancement of a Spherical Helix Antenna with Multi-Mode Excitation Takuma Shimada (MIT), Mina Nishie, Keisuke Noguchi (KIT), Keisuke Fujita (MIT) AP2022-89 |
We propose the electrically small spherical helix antenna (SHA) with a folded structure to achieve broadbanding by using... [more] |
AP2022-89 pp.100-105 |
US |
2022-02-24 15:35 |
Online |
Online |
Non-destructive inspection of shotcrete specimens by noncontact acoustic inspection method Tsuneyoshi Sugimoto, Kazuko Sugimoto (Toin Univ.), Noriyuki Utagawa, Chitose Kuroda (SatoKogyo) US2021-73 |
Shotcrete is widely used for supporting underground cavities because of its excellent workability. However, in a high pl... [more] |
US2021-73 pp.21-26 |
US |
2020-02-28 13:10 |
Tokyo |
|
Defect detection for shotcrete in ceiling of underground cavity by noncontact acoustic inspection method
-- Alternative method of hammering inspection by acoustic irradiation induced vibration from a long distance -- Tsuneyoshi Sugimoto, Kazuko Sugimoto (Toin Univ.), Noriyuki Utagawa, Chitose Kuroda (SatoKogyo), Hiroshi Morioka, Shigeru Tsuruta (TEPCO), Takayuki Nakagawa, Ataru Honda (TEPSCO), Naoto Sugisaki, Takao Yamazaki (tousetu) US2019-100 |
Shotcrete is widely used for supporting underground cavities because of its excellent workability. However, in a high pl... [more] |
US2019-100 pp.7-12 |
AP, WPT (Joint) |
2020-01-24 10:50 |
Kagawa |
Sunport Hall Takamatsu |
[Tutorial Lecture]
Research on optimal small antennas using the spherical wave expansion Keisuke Fujita (Maebashi Tech.) AP2019-169 |
The optimum current on electrically small spherical antennas is obtained using the spherical wave expansion. The radiati... [more] |
AP2019-169 pp.105-109 |
AP, WPT (Joint) |
2020-01-24 15:45 |
Kagawa |
Sunport Hall Takamatsu |
Analyses of a meander dipole on a human phantom Sota Tsuboi, Keisuke Noguchi (KIT) AP2019-177 |
In order to design high-gain small antennas mounted on human skin, we analyze a meander dipole antenna (MDA) on a metal ... [more] |
AP2019-177 pp.147-152 |
EST, MW, EMCJ, IEE-EMC [detail] |
2018-10-19 11:35 |
Aomori |
Hachinohe Chamber of Commerce and Industry(Hachinohe city, Aomori) |
A Study of Loss Reduction in 60 GHz Band Silicon CMOS On-Chip Dipole Antenna using TSV Takuichi Hirano (Tokyo City Univ.) EMCJ2018-51 MW2018-87 EST2018-73 |
60 GHz CMOS on-chip antenna is low radiation efficiency due to large loss of silicon (Si) substrate. It is reported that... [more] |
EMCJ2018-51 MW2018-87 EST2018-73 pp.105-109 |
AP |
2018-08-23 14:10 |
Saitama |
Nippon Inst. of Tech. |
Study on Decoupling for three closely placed monopole antenna elements Hiroshi Sato, Kenshi Horihata (Panasonic), Nobuyuki Shiraki, Naoki Honma (Iwate University), Masaharu Takahashi (Chiba University), Yoshio Koyanagi (Panasonic) AP2018-73 |
In recent years, in wireless information terminals, MIMO technology using multiple antennas is used to stably communicat... [more] |
AP2018-73 pp.35-40 |
WPT (2nd) |
2017-12-09 - 2017-12-11 |
Overseas |
National University of Singapore(AWPT2017) |
Enhanced Electromagnetic Energy Harvesting with Subwavelength Chiral Structures Dong Zhenya, Yang Fengyuan, John Ho (NUS) |
Collecting energy from electromagnetic radiation in dynamic environments is challenging because most harvesting structur... [more] |
|
ED |
2017-10-27 11:40 |
Miyagi |
|
Study of Sb-Cs Photocathode for ultrafast electron pulse Ryo Yoshitake, Hayato Takahashi, Yoichiro Neo, Hidenori Mimura (Shizuoka Univ) ED2017-48 |
In recent years, several ways for THz wave generation mechanism have been proposed and developed aggressively. The THz w... [more] |
ED2017-48 pp.51-53 |
RCS, AP (Joint) |
2016-11-24 11:10 |
Kyoto |
Kyoto International Community House |
Radiation Characteristics of Embroidered Wideband Wearable Antennas Using Different Sewing Patterns Takayuki Yoshikawa, Tadahiko Maeda (Ritsumeikan Univ.) AP2016-109 |
When textile antennas are embedded into the clothes, the sewing pattern of radiating elements affects the plasticity, fl... [more] |
AP2016-109 pp.11-16 |
CQ |
2016-08-29 16:25 |
Ibaraki |
Tsukubasan |
[Special Invited Talk]
Antenna miniaturization and its Impact on the communication quality Hiroyuki Arai (Yokohama Natl. Univ.) CQ2016-61 |
Antennas are basic elements in wireless communication systems, transmitting and receiving radio frequency signal over th... [more] |
CQ2016-61 p.75 |
AP (2nd) |
2015-12-18 09:15 |
Okinawa |
Miyako Island Marine Terminal |
Comparison between Wheeler, reflection methods and related techniques for evaluating radiation efficiency of small antennas Toshiki Konno, Nozomu Ishii (Niigata Univ.) |
In this report, we compare various formulas to estimate the radiation efficiency based upon Wheeler and reflection metho... [more] |
|
EMT, IEE-EMT |
2015-10-30 13:50 |
Miyazaki |
Holiday Inn ANA Resort Miyazaki |
A Study on Radiation Characteristics for Electrically Small Spherical Conducting Shell Antennas Keisuke Fujita, Hiroshi Shirai (Chuo Univ.) EMT2015-74 |
A thin and small spherical shell shaped antenna as a model of current distribution caused by the skin effect will be ana... [more] |
EMT2015-74 pp.161-166 |
EMCJ, IEE-EMC, MW, EST [detail] |
2015-10-23 15:00 |
Miyagi |
Sakura Hall, Katahira Campus, Tohoku Univ. |
Design of Low Loss 60 GHz CMOS On-Chip Dipole Antenna By Helium-3 Ion Irradiation Takuichi Hirano, Ning Li, Kenichi Okada, Akira Matsuzawa, Jiro Hirokawa, Makoto Ando (Tokyo Tech.), Tsuyoshi Inoue, Hitoshi Sakane (SHIEI) EMCJ2015-79 MW2015-118 EST2015-89 |
60 GHz CMOS on-chip antenna is low radiation efficiency due to large loss of silicon (Si) substrate. In this paper, a 60... [more] |
EMCJ2015-79 MW2015-118 EST2015-89 pp.123-127 |
WPT, MW |
2015-04-17 11:20 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
Study on Matching Condition of an Infinite Dipole Array Antenna with Reflector for MPT Yu Tsukamoto, Takayuki Matsumuro, Hiroshi Tonomura, Yohei Ishikawa, Naoki Shinohara (Kyoto Univ.) WPT2015-12 MW2015-12 |
Non-leak energy technology is essential for high power system in microwave power transmission.Non-leak energy system req... [more] |
WPT2015-12 MW2015-12 pp.61-64 |
EST, OPE, LQE, EMT, PN, MWP, IEE-EMT [detail] |
2015-01-29 11:20 |
Osaka |
|
[Invited Talk]
Narrowband high-speed thermal emitters based on quantum wells and photonic crystals Takuya Inoue, Menaka De Zoysa, Takashi Asano, Susumu Noda (Kyoto Univ.) PN2014-32 OPE2014-157 LQE2014-144 EST2014-86 MWP2014-54 |
Thermal emitters are used over a wide variety of frequencies in various applications. However, they suffer from low powe... [more] |
PN2014-32 OPE2014-157 LQE2014-144 EST2014-86 MWP2014-54 pp.29-34 |
AP, RCS (Joint) |
2014-11-12 10:10 |
Yamagata |
Yamagata University, Yonezawa Campus |
Investigation of Antenna Radiation-efficiency with Surface Roughness of the Antenna Conductor Ryosuke Kitazumi, Toru Uno, Takuji Arima (TUAT) AP2014-130 |
It is known that antenna radiation efficiency is decreased in some condition even the antenna is made by good conductor.... [more] |
AP2014-130 pp.13-16 |
AP, SANE (Joint) |
2014-08-29 16:05 |
Niigata |
Niigata University Satellite campus |
Rapid mesurement of Wheeler efficiency using hybrid coupler and phase shifter Kouhei Watanabe, Nozomu Ishii (Niigata Univ.) AP2014-88 |
Wheeler method is known as a simple method of measuring radiation efficiency for small antennas. To reduce uncertainty o... [more] |
AP2014-88 pp.91-94 |
AP (2nd) |
2014-05-15 - 2014-05-16 |
Ishikawa |
The Kanazawa Theatre |
[Poster Presentation]
A study on Q-factor calculated from impedance characteristic of small antennas Harutaka Kyomura, Keisuke Noguchi, Shigeru Makino, Tetsuo Hirota, Kenji Ito (KIT) |
Small antennas of active RFID tags have low radiation efficiency because of its smaller size compared with wave
length ... [more] |
|