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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| AP | 2009-01-23 13:00 |
Fukuoka | Fukuoka University | Design of inclined and displaced slotted waveguide array antennas with low side-lobe radiation patterns Satoshi Yamaguchi, Hiroaki Miyashita, Toru Takahashi, Masataka Ohtsuka, Yoshihiko Konishi (Mitsubishi Electric Corp.)  AP2008-181 |
Slotted waveguide arrays are attractive antennas because of their low loss characteristics in high frequencies. Several ... [more] | AP2008-181 pp.181-184 |
| AP, RCS (Joint) |
2008-11-21 11:35 |
Ishikawa | Kanazawa Institute of Technology | A Study on the Calibration Method and Its Accuracy for Mechanical Distortions of Satellite Phased Array Antennas Toru Takahashi, Narihiro Nakamoto, Masataka Ohtsuka, Toshihiko Aoki, Yoshihiko Konishi (Mitsubishi Electric), Masanobu Yajima (Japan Aerospace Exploration Agency) AP2008-132 |
In satellite phased array antennas, some mechanical distortions, which may be due to launching vibrations or thermal var... [more] | AP2008-132 pp.121-126 |
| AP | 2008-10-17 16:15 |
Miyagi | Tohoku Gakuin University | Study on Beam Calibration Accuracy of Phased Array Antenna Narihiro Nakamoto, Toru Takahashi, Masataka Ohtsuka, Yoshihiko Konishi, Toshihiko Aoki (Mitsubishi Electric Corp.), Masanobu Yajima (JAXA) AP2008-109 |
Beam calibrations of phased array antennas using the REV method have been developed and tested, but there have been no r... [more] | AP2008-109 pp.81-86 |
| AP | 2008-05-15 13:25 |
Nagasaki | Sasebo national college of technology | A theoretical study on measurement accuracy of the REV method for phased array measurement system designs Toru Takahashi, Masataka Ohtsuka, Takeshi Sakura, Yoshihiko Konishi (Mitsubishi Electric Copr.) AP2008-12 |
In this report, measurement error due to thermal noise was theoretically investigated for phased array measurement syste... [more] | AP2008-12 pp.5-10 |
| AP | 2008-05-15 15:40 |
Nagasaki | Sasebo national college of technology | An Adaptive Array Using Orthogonal Projection for OFDM Transmission Kazunari Kihira, Masataka Ohtsuka, Yoshihiko Konishi (Mitsubishi Electric Corp.) AP2008-17 |
OFDM systems are known to outperform single carrier systems under a multipath environment. However, the multipath waves,... [more] | AP2008-17 pp.35-40 |
| AP | 2008-05-16 13:00 |
Nagasaki | Sasebo national college of technology | Design of Inclined and Displaced Slotted Waveguide Array Antennas Satoshi Yamaguchi, Hiroaki Miyashita, Toru Takahashi, Masataka Ohtsuka, Yoshihiko Konishi (Mitsubishi Electric Corp.) AP2008-22 |
[more] | AP2008-22 pp.65-68 |
| AP, SAT (Joint) |
2007-07-19 14:20 |
Hokkaido | Daiichi-Takimotokan(Noboribetsu) | Measurement Results of a DipoleAntenna on a Housing without a Balun Toru Fukasawa, Hideyuki Oh-hashi, Masataka Ohtsuka, Yoshihiko Konishi, Shigeru Makino (Mitsubishi Electric Co.) AP2007-55 |
We simulate the characteristics of a dipole antenna without a balun on a box of a portable telephone. Length of the box ... [more] | AP2007-55 pp.77-82 |
| AP | 2007-03-08 10:40 |
Overseas | Taiwan (Yuan Ze Univ.) | Impedance-Bandwidth Improvement of MSA by Incorporating Matching Stubs Yasuhiro Nishioka, Takashi Yanagi, Masataka Ohtsuka, Shigeru Makino (Mitsubishi Electric) AP2006-144 |
As the impedance enhancement technique for a microstrip patch antenna (MSA), the MSAs with parasitic elements and the L-... [more] | AP2006-144 pp.9-12 |
| EMCJ, MW | 2006-10-27 10:30 |
Aomori | Hachinohe Institute of Technology | A Design Procedure of Branch- and Rat-Race-Type Couplers with Arbitrary Resistive Loads Takeshi Oshima, Masataka Ohtsuka (Mitsubishi Electric Corp.) EMCJ2006-65 MW2006-121 |
In this report, a design procedure of branch- and rat-race-type couplers with arbitrary resistive loads is described. Th... [more] | EMCJ2006-65 MW2006-121 pp.81-86 |
| AP, SAT (Joint) |
2006-05-19 14:40 |
Kagoshima | Kagoshima Univ. | Miniaturization of a Sleeve Antenna with Variable Capacitors Kengo Nishimoto, Ryosuke Umeno, Toru Fukasawa, Masataka Ohtsuka (Mitsubishi Electric) AP2006-28 |
In a sleeve antenna, CRB(Current Rejection Band: the band within which the leakage current on the feeder is suppressed) ... [more] | AP2006-28 pp.105-110 |
| SCE, MW | 2006-04-20 09:00 |
Tokyo | ISTEC-SRL (Shinonome) | A Design Procedure of Broadband Branch-Type Hybrids Based on Network Synthesis Theory Takeshi Oshima, Hideyuki Soutome, Masataka Ohtsuka, Yonehiko Sunahara (Mitsubishi Electric Corp.) |
In this report, a design procedure of broadband branch-type hybrids is described based on the network synthesis theory. ... [more] | SCE2006-1 MW2006-1 pp.1-6 |
| AP | 2005-11-17 14:55 |
Chiba | Nihon Univ. (Tsudanuma) | Mobile Phone Antenna with Variable Radiation-Pattern and Its Characteristics Yasuhiro Nishioka, Toru Fukasawa, Masataka Ohtsuka, Shigeru Makino, Yonehiko Sunahara (Mitsubishi Electric) |
A novel type of antenna diversity construction suitable for mobile phone terminal is proposed, in which the switching of... [more] | AP2005-114 pp.19-24 |
| SR | 2005-07-28 - 2005-07-29 |
Kanagawa | Yokosuka Research Park | The Wide Bandwidth Monopole Antenna using Human Body as a Ground Plane Hideyuki Soutome, Toru Fukasawa, Yasuhiro Nishioka, Masataka Ohtsuka, Yonehiko Sunahara, Keishi Murakami (Mitsubishi Electoric Corp.) |
In this paper, we propose an antenna structure that obtains wide bandwidth characteristic and small size in a mobile wir... [more] | SR2005-44 pp.153-157 |
| AP | 2005-01-20 09:30 |
Saga | Saga University | Sleeve antenna with variable capacitors Kengo Nishimoto, Toru Fukasawa, Masataka Ohtsuka (Mitsubishi Electric) |
In a sleeve antenna, the leakage current on the feeder can be suppressed only near the frequency where the length of a s... [more] | AP2004-196 pp.1-6 |
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