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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| AP | 2023-10-20 10:55 |
Iwate | Iwate University (Primary: On-site, Secondary: Online) |
Consideration for mutual impedance and mutual radiation resistance of loop antenna arrays Nakato Kojima, Nobuyoshi Kikuma (NITech)  AP2023-123 |
Mutual coupling is a critical consideration in the design of an array antenna. Mutual coupling is expressed as a mutual... [more] |
AP2023-123 pp.133-138 |
| EMCJ | 2023-06-09 15:40 |
Hokkaido | Otaru Chamber of Commerce & Industry (Primary: On-site, Secondary: Online) |
Reduction of common-mode voltage in three-phase inverter circuits considering mutual inductance of DC feeder lines Makoto Fujimura, Tohlu Matsushima, Yuki Fukumoto (Kyutech), Kohei Takada, Koji Kobayashi (SANDEN) EMCJ2023-26 |
The impedance balancing method has been investigated as a method for reducing common mode voltage in three-phase inverte... [more] | EMCJ2023-26 pp.70-75 |
| AP | 2022-10-20 10:55 |
Gifu | GIFU CITY CULTURE CENTER (Primary: On-site, Secondary: Online) |
Consideration on Mutual Coupling and Mutual Radiation Resistance of Array Antenna Nakato Kojima, Koichi Miyazaki (MELCO) AP2022-136 |
The mutual impedance and the mutual radiation resistance of the array antenna are expressed, using the fields expansion ... [more] | AP2022-136 pp.181-186 |
| AP, SANE, SAT (Joint) |
2020-07-16 13:00 |
Online | Online | Numerical Analysis of Array Antennas Using Method of Moments Based on Far-Field Approximation of a Dyadic Green's Function in Free Space. Tsukasa Susuga, Keisuke Konno, Qiang Chen (Tohoku Univ.) AP2020-17 |
The numerical analysis of a large-scale array antenna is computationally expensive, so it is essential to speed up the c... [more] | AP2020-17 pp.45-49 |
| AP | 2019-10-17 12:30 |
Osaka | Osaka Univ. | [Poster Presentation]
Far-Field Approximation of a Dyadic Green's Function in Free Space and Its Application to Method of Moments Tsukasa Susuga, Keisuke Konno, Qiang Chen (Tohoku Univ.) AP2019-96 |
Since the numerical analysis of large-scale antennas using method of moments (MoM) is computationally expensive, reducti... [more] | AP2019-96 pp.85-88 |
| AP | 2017-03-16 13:50 |
Iwate | Iwate Univ. | Measurement of Mutual Impedance of Dipole Antenna by the S-Parameter Method Takayuki Sasamori, Kento Kanai, Teruo Tobana, Yoji Isota (Akita Prefectural Univ.) AP2016-184 |
Recently, the S-parameter method using a vector network analyzer and a measurement jig instead of a balun was proposed w... [more] | AP2016-184 pp.37-41 |
| WPT | 2014-06-06 18:00 |
Tokyo | Univ. of Tokyo | Proposal of Theoretical Model for Foreign Object Detection in Wireless Power Transfer Systems Atsuo Hatono (MJHEP Program) WPT2014-34 |
This paper proposes a integrated theoretical model for foreign object detection (FOD) combined with both circuit and fie... [more] | WPT2014-34 pp.57-62 |
| AP | 2012-01-20 14:00 |
Fukuoka | Kyushu Inst. of Tech. | Measurement of Impedance Characteristics and Mutual Coupling between Two Antennas on a Small Radio using S-parameter Method Takashi Yanagi, Toru Fukasawa, Hiroaki Miyashita, Yoshihiko Konishi (Mitsubishi Electric Corp.) AP2011-178 |
S-parameter method is known as one of the method to reduce influence of coaxial cables for a small antenna measurement. ... [more] | AP2011-178 pp.179-184 |
| AP | 2011-01-20 09:00 |
Saga | Saga Univ. | Characteristics of L-shaped Folded Monopole Antenna with parasitic elements. Sohei Watanabe, Tuan Hung Nguyen, Hisashi Morishita (NDA) AP2010-133 |
Authors have been analyzed theoretically and experimentally about the L-shaped folded monopole antenna. This antenna can... [more] | AP2010-133 pp.1-6 |
| AP | 2010-04-09 11:20 |
Kyoto | Doshisha Univ. | Simple Design Equation of a Tap Feed for a Normal-Mode Helical Antenna Nguyen Quoc Dinh, Naobumi Michishita, Yoshihide Yamada (National Defense Academy), Koji Nakatani (The Yokohama Rubber Co., Ltd) AP2010-3 |
In order to apply a normal-mode helical antenna(NMHA) to actual radio equipments, a simple impedance matching structure ... [more] | AP2010-3 pp.9-14 |
| AP | 2009-10-08 12:05 |
Shizuoka | Shizuoka University | On Mutual Coupling between Elements in an Array Antenna Takashi Katagi, Hiroyuki Ohmine, Hiroaki Miyashita (Mitsubishi Electric Corp.) AP2009-110 |
Mutual radiation impedances between elements with isotropic pattern, with cosα electric field pattern and with cosα elec... [more] | AP2009-110 pp.43-48 |
| AP | 2009-09-03 13:25 |
Aomori | Hachinohe Inst. of Tech. | On a resonant mode and equivalent circuit of wireless power transmission Hiroshi Hirayama (Nagoya Inst. of Tech.), Toshiyuki Ozawa (Naogoya Univ.), Yosuke Hiraiwa, Nobuyoshi Kikuma, Kunio Sakakibara (Nagoya Inst. of Tech.) AP2009-85 |
The resonant mode of the wireless power transmission is discussed to unveil a mechanism of wireless power transmission. ... [more] |
AP2009-85 pp.35-40 |
| AP | 2009-09-03 14:50 |
Aomori | Hachinohe Inst. of Tech. | Study on Efficiency Improvement by the Mutual Impedance Compensation of Wireless Power Transmission Koichi Tsunekawa (Chubu Unv.) AP2009-88 |
On wireless power transmission system with electromagnetic coupling technology, I proposed the application of the active... [more] | AP2009-88 pp.53-56 |
| AP | 2009-09-04 10:50 |
Aomori | Hachinohe Inst. of Tech. | Operating Principle of Tap Structures in the Very Small Normal Mode Helical Antenna Nguyen Quoc Dinh, Naobumi Michishita, Yoshihide Yamada (NDA), Koji Nakatani (Yokohama Rubber) AP2009-94 |
The normal-mode helical antenna becomes an efficient radiator in the condition of the self resonance. When the antenna s... [more] | AP2009-94 pp.85-90 |
| AP, RCS (Joint) |
2008-11-19 13:25 |
Ishikawa | Kanazawa Institute of Technology | Change of Transmission Distance for Close UHF Passive RFID Tags Yu Tanaka, Yohtaro Umeda, Osamu Takyu (Tokyo Univ. of Science), Machiko Nakayama, Kazunari Kodama (Toppan Forms) AP2008-112 |
Approach of UHF band RFID tags will produce an electromagnetic interference. Then, the electric power loss by mismatchin... [more] | AP2008-112 pp.7-12 |
| AP | 2008-03-14 13:50 |
Aichi | Nanzan Univ. | Mutual couping by the shape of small antennas Hiroyuki Arai (Yokohama Natl. Univ.) AP2007-193 |
For the applications of diversity reception and MIMO antennas for small terminals in mobile communication systems, small... [more] | AP2007-193 pp.119-122 |
| EA | 2008-03-07 16:20 |
Tokyo | NTT Musashino R&D Center | Self and mutual radiation impedances for flexible sound sources in an infinite rigid plane baffle Samon Oie (Onosokki) EA2007-124 |
A unified formulation of self and mutual radiation impedances for flexible sound sources in an infinite rigid baffle is ... [more] | EA2007-124 pp.73-78 |
| AP | 2008-01-23 13:20 |
Okinawa | Tyeruru.(Naha) | A Study of the Mutual Coupling Reduction Between Two Inverted-F Antennas Using Mushroom-Type EBG Structures Jun Itoh, Naobumi Michishita, Hisashi Morishita (NDA) AP2007-123 |
The EBG Structure is realized by composing the periodic structure of the mushroom type structures, which consist of the ... [more] | AP2007-123 pp.7-12 |
| AP | 2006-04-20 14:50 |
Miyagi | Tohoku Univ. | Simple Estimation Technique of Calibration Matrix for Arrays in Transmitting and Receiving Mode Hiroyoshi Yamada (Niigata Univ), Yasutaka Ogawa (Hokkaido Univ), Yoshio Yamaguchi (Niigata Univ) AP2006-7 |
Recently, applications of high-resolution Direction-of-Arrival (DOA) estimation with an array have been increasing inclu... [more] | AP2006-7 pp.33-38 |
| AP | 2005-09-08 14:50 |
Aichi | TOYOTA CENTRAL R&D LABS., INC. | Performance Evaluation of MIMO Receiver with Consideraton of Antenna Load and Mutual Coupling Hiroki Iura, Hiroyoshi Yamada (Niigata Univ.), Yasutaka Ogawa (Hokkaido Univ.), Yoshio Yamaguchi (Niigata Univ.) |
Recently, a MIMO (Multiple-Input Multiple-Output) communication system realizes large channel capacity. So the system ha... [more] | AP2005-75 pp.59-64 |
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