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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| MW | 2023-05-19 13:25 |
Kyoto | Ritsumeikan University (Primary: On-site, Secondary: Online) |
Bending effect on the bandwidth of a soft artificial magnetic conductor Shuto Yamashita, Ryosuke Namikawa, Hitoshi Shimasaki (Kyoto Inst of Tech)  MW2023-18 |
This report deals with artificial magnetic conductor (AMC), a type of metasurface. The purpose of this study is to clari... [more] | MW2023-18 pp.49-54 |
| AP | 2023-03-17 14:35 |
Toyama | Toyama Prefectural Civic Hall (Primary: On-site, Secondary: Online) |
Design of Reconfigurable Reflectarray Antennas on Flexible Substrate with Varactor Diodes Mounted on Slot-Coupled Microstrip Lines Yuki Takeda, Takashi Tomura, Hiraku Sakamoto (Titech) AP2022-250 |
In this paper, we propose reconfigurable reflectarray antennas with varactor diodes on flexible substrate. Diodes are mo... [more] | AP2022-250 pp.93-96 |
| EA, US (Joint) |
2022-12-22 15:45 |
Hiroshima | Satellite Campus Hiroshima | [Invited Talk]
Acoustic distance measurement method based on standing waves using audible sound
-- Progress from distance measurement principle to source distance estimation -- Noboru Nakasako, Tetsuji Uebo, Toshihiro Shinohara (Kindai Univ.), Masato Nakayama (Osaka Sangyo Univ.) EA2022-65 |
Under the spread of the novel coronavirus COVID-19, it has become extremely important to keep social distance. In this c... [more] | EA2022-65 pp.24-31 |
| AP, MW (Joint) |
2022-09-14 10:35 |
Ehime | The Museum of Art, EHIME (Primary: On-site, Secondary: Online) |
Reflection Phase Control by Varactor Diodes for Reflectarray Antennas on Flexible Substrate Yuki Takeda, Takashi Tomura, Hiraku Sakamoto (Tokyo tech) AP2022-71 |
In this paper, control of reflection phase of the reflectarray antenna composed of a flexible substrate by varactor diod... [more] | AP2022-71 pp.1-4 |
| AP | 2022-02-18 13:05 |
Online | Online | [Invited Lecture]
Ultra-Wideband Tapered Slot Array Antenna with Conductor Plates at Both Ends of Aperture Hikaru Watanabe, Takashi Maruyama, Toru Fukasawa (Mitsubishi Electric Corp.) AP2021-173 |
Tapered slot antenna (TSA) is widely used for wideband phased array in various communication systems and multi-function ... [more] | AP2021-173 pp.81-86 |
| US | 2020-08-26 14:55 |
Online | Online | Analysis of fluctuations of sound reflected on sea surface using the FDTD method Tomoya Tsukui (Tokyo Tech), Shinnosuke Hirata (Chiba Univ), Hiroyuki Hachiya (Tokyo Tech) US2020-24 |
Many kinds of hydro acoustic devices are used in the field of ocean development of resources and observations. These dev... [more] | US2020-24 pp.21-26 |
| US | 2019-07-29 14:20 |
Hokkaido | Liquid viscoelasticity characterization by the complex reflection coefficient using quasi-shear mode c-axis tilted ScAlN thin film transducers Ryosuke Amano, Yui Yamakawa (Waseda Univ./ZAIKEN), Takahiko Yanagitani (Waseda Univ./ZAIKEN/JST-PREST) US2019-31 |
In the complex reflection measurement of liquid/solid interface, the low angle incidence of shear horizontal (SH) wave t... [more] | US2019-31 pp.19-23 |
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| SANE | 2019-01-24 13:00 |
Nagasaki | Nagasaki Prefectural Art Museum | On Effect of Multiple Reflection in Near-field to Far-field Transformation Hirokazu Kobayashi, Yuki Kameda, Jin Nakamura (OIT), Shun-ich Takaoka, Yang-Lang Chang, Chih-Yuen Chu (NTUT) SANE2018-90 |
The radar cross-section (RCS) estimation for an electrically large object employs the different method from the traditio... [more] | SANE2018-90 pp.1-6 |
| US | 2018-08-30 13:30 |
Tokyo | Tokyo Institute of Technology | Quantitative analysis of acoustic reflection characteristics on sea surface using FDTD simulation Tomoya Tsukui, Shinichi Sawada (IHI), Shinnosuke Hirata, Hiroyuki Hachiya (Tokyo Tech) US2018-41 |
Many kinds of hydro acoustic devices are used in the field of ocean development of resources and observations with AUV a... [more] | US2018-41 pp.1-6 |
| RCS, SR, SRW (Joint) |
2018-02-28 17:30 |
Kanagawa | YRP | Prediction of the Dynamic Fluctuation for Signal Intensity under Ionospheric Scintillation Effects Yukihiko Okochi, Kazutoshi Yoshii, Shigeru Shimamoto (Waseda Univ.) RCS2017-343 |
Although Information Technology has been made a remarkable progress, Wireless communication in High Frequency(HF) has be... [more] | RCS2017-343 pp.149-154 |
| US | 2017-08-31 10:00 |
Kanagawa | Variability characteristics of sound reflection on sea surface with wave
-- A result of water tank experiment -- Tomoya Tsukui, Shinichi Sawada (IHI), Shinnosuke Hirata, Hiroyuki Hachiya (Tokyo Inst. of Tech.) US2017-46 |
Various hydro acoustic devices are used in the field of ocean development of resources and observations with AUV and ASV... [more] | US2017-46 pp.1-6 |
|
| AP (2nd) |
2017-01-26 - 2017-01-27 |
Overseas | Malaysia-Japan International Institute of Technology (MJIIT) | Reduction of Reflection loss on Dielectric Surface by Reflection-phase Control of Frequency Selective Surface Masamu Chiba, Goro Nomoto, Tomihiro Ikegami, Kunio Sakakibara, Nobuyoshi Kikuma (NITech) |
Radomes (direlectric) are always in front of antennas of wireless system to protect antennas and RF circuits from humidi... [more] | |
| IT, SIP, RCS | 2017-01-19 13:30 |
Osaka | Osaka City Univ. | Study on FM-CW Radar system for measuring biological information Tomohiro Kobayashi (TUS,S), Mitsumasa Saito (CQ-S net), Yoshiyuki Tanaka, Kazuhiro Yamaguchi, Hideaki Matsue (TUS,S) IT2016-61 SIP2016-99 RCS2016-251 |
This paper describes a 24 GHz band FM-CW radar system for measuring human’s breathing, heartbeat, and sweating state. Th... [more] | IT2016-61 SIP2016-99 RCS2016-251 pp.87-92 |
| AP, SAT, SANE (Joint) |
2016-07-22 10:20 |
Hokkaido | Otaru port marina | Analysis of characteristics on snow surface reflection using fluctuations in GNSS receiving signal intensity and carrier phase measurements Takayuki Yoshihara (ENRI), Hiroki Motoyoshi (NIED), Susumu Saito, Atsushi Kezuka (ENRI), Satoru Yamaguchi (NIED) SANE2016-27 |
GNSS received signal affected by snow surface reflection contains periodical variations due to radio interferences betwe... [more] | SANE2016-27 pp.33-38 |
| EMCJ | 2015-07-09 14:50 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Tightly coupled asymmetrically taperd bend in differential transmission lines for high-density mounting Chenyu Wang, Yoshitaka Toyota, Kengo Iokibe (Okayama Univ) EMCJ2015-39 |
The bend in a pair of differential lines on printed circuit boards causes the path difference, which leads to mode conve... [more] | EMCJ2015-39 pp.49-54 |
| AP, WPT (Joint) |
2014-10-17 12:55 |
Hokkaido | Hokkaido University, Clark Memorial Student Center | Design method of low cross polarization reflect-array antennas Shouta Yoshimoto, Katsutoshi Ikarashi, Shigeru Makino, Tetsuo Hirota, Keisuke Noguchi, Kenji Itoh (Kanazawa Inst. of Tech.) AP2014-123 |
In this paper, it will be examine design method of low cross polarization reflect-array antennas. It clarify the cause ... [more] |
AP2014-123 pp.83-86 |
| 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 | 2014-01-22 13:00 |
Kagoshima | Hozan Hall (Kagoshima Prefectural Culture Center) | Reflection characteristics of a metal plate FSR using an equivalent circuit model for obliquely incident wave Yukihiro Koshima, Katsutoshi Ikarashi, Shigeru Makino, Shin-ichi Betsudan, Tetsuo Hirota, Keisuke Noguchi, Kenji Itoh (Kanazawa Inst. of Tech.), Tetsuo Moroya (KTC) AP2013-138 |
In this paper, the simple formula which can easily calculate the reflection characteristics of a metal plate loaded FSR ... [more] | AP2013-138 pp.25-29 |
| ED, MW | 2014-01-16 14:25 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | A Dual-Band Reflection Type Phase Shifter Using Active Loads Yuki Shoji, Kazuyoshi Sakamoto, Yasushi Itoh (Shonan Inst. of Tech.) ED2013-119 MW2013-184 |
A dual-band reflection type phase shifter using active loads is presented for realizing a wide phase-shifting range and ... [more] | ED2013-119 MW2013-184 pp.53-56 |
| EMCJ | 2013-05-10 09:05 |
Tokyo | Tokyo Tech | A Method of Monostatic Reflection Coefficient Measurement with Position Change of EM-Absorber Sample Hozumi Okawa, Atsuhiro Nishikata (Tokyo Inst. of Tech.) EMCJ2013-10 |
When we measure $S_{11}$ of a reference metal plate or a wave absorber sample with changing their position, their traj... [more] |
EMCJ2013-10 pp.1-6 |
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