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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| AP | 2024-02-15 16:25 |
Mie | Sinfonia Technology Hibiki Hall Ise (Primary: On-site, Secondary: Online) |
[Invited Lecture]
Suppression of Orthogonal Polarization Characteristic Degradation by Splitting Edge Ground Walls of Dual-Polarized Microstrip Antennas Hideki Ueda, Ryo Komura, Yoshiki Yamada, Kaoru Sudo (Murata Mfg.)  AP2023-191 |
In a dual-polarized microstrip antenna configured on a narrow substrate and a narrow ground plane, the front-to-back rat... [more] | AP2023-191 pp.22-27 |
| AP | 2023-10-20 09:30 |
Iwate | Iwate University (Primary: On-site, Secondary: Online) |
Influence of Substrate Permittivity for Bandwidth of Microstrip Antenna with Small Ground Plane Hideki Ueda, Ryotaro Ohashi (Murata Mfg.) AP2023-120 |
Microstrip antennas (MSAs) have wider bandwidths of the reflection when the permittivity of the substrate is lower gener... [more] | AP2023-120 pp.117-122 |
| US | 2023-08-21 15:55 |
Tokyo | Tokyo Tech Front, Tokyo Tech (Ookayama Campus) | Measurement of crystal Qs by using phase noise Yuta Aoki, Kengo Hara, Yasuaki Watanabe (Tokyo Metropolitan Univ.) US2023-36 |
QCMs are generally thought to measure the mass associated with changes in the viscosity of water, oil, etc., but the lar... [more] | US2023-36 pp.30-33 |
| SCE | 2023-08-08 09:35 |
Kanagawa | Yokohama National Univ. (Primary: On-site, Secondary: Online) |
High-efficiency wireless power transmission to small coils using high-Q superconducting coils Kai Ebihara, Natsuka Oshimoto, Keita Sakuma, Naoto Sekiya (Yamanashi Univ.) SCE2023-1 |
The power transfer efficiency (PTE) of a wireless power transfer (WPT) system for capsule endoscopy that uses a high-tem... [more] | SCE2023-1 pp.1-5 |
| SANE, SAT (Joint) |
2023-03-03 09:50 |
Okinawa | (Primary: On-site, Secondary: Online) |
Development of space-charge detection sensor for the spacecraft using silicon photonics Yasushi Takahashi (Osaka Met. Univ.) SANE2022-115 |
Various micro-optical devices using silicon photonic crystals have been developed, such as low-loss slow-light waveguide... [more] | SANE2022-115 pp.91-95 |
| MW, ED | 2023-01-27 10:00 |
Tokyo | Kikai-Shinko-Kaikan Bldg. (Primary: On-site, Secondary: Online) |
Design of Parasitic-Element Loaded Wideband Filtering Antenna with Unidirectional Radiation Pattern over 30% Frequency Bandwidth Ken Sakiyama, Masataka Ohira, Zhewang Ma (Saitama Univ.) ED2022-87 MW2022-146 |
In this paper, we propose a new structure of wideband filtering antenna that realizes a very flat in-band gain and unidi... [more] | ED2022-87 MW2022-146 pp.7-12 |
| EA, US (Joint) |
2022-12-22 16:50 |
Hiroshima | Satellite Campus Hiroshima | [Poster Presentation]
Q factor extraction of ScAlN, ZnO, PZT piezoelectric films without etching substrate Yuki Shimizu (Waseda Univ.), Takahiko Yanagitani (Waseda Univ./JST) US2022-61 |
In recent years, sharp passband is required for RF filters to prevent interference between neighboring bands. The sharpn... [more] | US2022-61 pp.56-61 |
| 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 |
| SCE | 2022-08-09 13:50 |
Online | Online | Development of high quality factor HTS bulk coil and its application to Wireless Power Transfer system Natsuka Oshimoto, Keita Sakuma, Naoto Sekiya (Yamanashi Univ.) SCE2022-8 |
In this study, we proposed the method that decrease the resonant frequency (f0) of high temperature superconductor (HTS)... [more] | SCE2022-8 pp.39-42 |
| MW | 2021-11-18 13:55 |
Kagoshima | Kagoshima University (Primary: On-site, Secondary: Online) |
Design of Compact W-Band Cavity in 0.18-μm CMOS Technology Tomoki Fukuda, Chen Baichuan, S.K Thapa, Adel Barakat, Ramesh K. Pokharel (Kyushu Univ) MW2021-68 |
This study investigates the miniaturization of a Substrate Integrated Waveguide (SIW) type on-chip cavity resonator for ... [more] | MW2021-68 pp.11-14 |
| SCE | 2021-08-06 13:05 |
Online | Online | Development of high quality factor REBCO wire coil in high frequency range and its application to Wireless Power Transfer Masahiro Okeda, Naoto Sekiya, Keita Sakuma (Univ of Yamanashi) SCE2021-1 |
We proposed a new REBCO wire structure in order to realize a low loss in high frequency. However, because of the two REB... [more] | SCE2021-1 pp.1-4 |
| AP, WPT (Joint) |
2020-01-23 11:10 |
Kagawa | Sunport Hall Takamatsu | Triple Resonances Small Spherical Antenna with Parasitic Elements Hikaru Takizawa, Takahiro Hashimoto, Takumi Nishime, Nguyen Cong Oai, Naobumi Michishita, Hisashi Morishita (National Defense Academy) AP2019-156 |
A small spherical antenna is one of the electrically small antennas which has Q-factor approaching the lower bound on Q.... [more] | AP2019-156 pp.37-41 |
| 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 |
| MW, AP (Joint) |
2019-09-20 13:10 |
Kanagawa | JAXA (Sagamihara) | Design and Experimental Evaluation of Wideband Microstrip Filtenna Based on Wideband Transmission Line Bandpass Filter Masataka Ohira, Yusuke Suzuki, Zhewang Ma (Saitama Univ.) MW2019-58 |
In recent years, a filtering antenna or filtenna is becoming one of the attractive circuits that can be designed with a ... [more] | MW2019-58 pp.17-22 |
| OFT, OCS, LSJ (Joint) [detail] |
2019-08-29 15:45 |
Hokkaido | Performance evaluation of core-to-core Q-difference compensation scheme against coherent crosstalk Hidenori Takahashi, Daiki Soma, Takehiro Tsuritani (KDDI Research) OCS2019-22 |
The core-to-core Q-difference compensation scheme in vector domain has been proposed. Considering the locally generated ... [more] | OCS2019-22 pp.11-16 |
|
| OFT, OCS, LSJ (Joint) [detail] |
2019-08-30 09:30 |
Hokkaido | Dynamic Routing Experiments by Cooperation of SDN and Optical Wireless Communication Junya Tomaki, Shiro Ryu (Meiji Univ) OCS2019-25 |
In recent years, communication devices such as smart phones are increasing, so the communication traffic increase has a ... [more] | OCS2019-25 pp.29-34 |
|
| SDM, ICD, ITE-IST [detail] | 2019-08-08 11:45 |
Hokkaido | Hokkaido Univ., Graduate School /Faculty of Information Science and | A study of the method to extend a distance for transferring power in a WPT system by using a Q-value enhancement technique Yasuhiro Sugimoto, Touma Suzuki (Chuo Univ.) SDM2019-44 ICD2019-9 |
A method to enhance a reachable area of power transfer in the wireless power transfer (WPT) system has been studied. In ... [more] | SDM2019-44 ICD2019-9 pp.41-46 |
| WPT, AP (Joint) |
2019-01-17 14:25 |
Aichi | Toyota Automobile Museum | [Tutorial Lecture]
Quality factor of electrically small antennas and their broadbanding Keisuke Noguchi (KIT) AP2018-157 WPT2018-57 |
Electrically small antennas which size is smaller than wavelength of the operating frequency are described with respect ... [more] | AP2018-157 WPT2018-57 pp.33-38(AP), pp.19-24(WPT) |
| RCS, AP (Joint) |
2018-11-21 14:20 |
Okinawa | Okinawa Industry Support Center | OTA Experiments on the Angular Accuracy of a Phase Monopulse AOA Antenna Using the Mean IQ-value Method in a Rician Fading Channel Daishi Iwamoto, Nana Narukawa, Kazuhiro Honda, Koichi Ogawa (Toyama Univ.) AP2018-123 |
In this paper, we conduct investigations on the angular accuracy of a circularly arranged phase monopulse Angle of Arriv... [more] | AP2018-123 pp.125-130 |
| OCS, OFT, LSJ (Joint) [detail] |
2018-08-30 17:15 |
Hokkaido | Hakodate Hokuyo Building 8Kai Hall | Experimental Demonstration of Vector-Based Channel-to-Channel Signal Quality Equalization Aimed for SDM/WDM Transmission Application Hidenori Takahashi, Takehiro Tsuritani (KDDI Research) OCS2018-24 |
The channel-to-channel signal quality equalization method is expected for the long-distance and high capacity systems ut... [more] | OCS2018-24 pp.31-36 |
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