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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| AP | 2015-02-20 15:30 |
Hyogo | Chusho-kigyou center at Amagasaki-City | [Invited Lecture]
Design of Time Modulated Array Considering Hardware Restrictions Makoto Matsuki, Kazunari Kihira, Masataka Ohtsuka, Hiroaki Miyashita (Mitsubishi Electric)  AP2014-209 |
A low side lobe level pattern in a phased array antenna is desired for the radar systems. The phase shifter control type... [more] | AP2014-209 pp.125-130 |
| AP | 2014-12-11 13:25 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Four-Element Array Antenna Using Pattern Reconfigurable Yagi-Uda Antenna with Complementary Parasitic Elements Takashi Maruyama, Takashi Uesaka, Satoshi Yamaguchi, Masataka Ohtsuka, Hiroaki Miyashita (Mitsubishi Electric) AP2014-154 |
Antenna spacing of array antennas are basically determined so as not to yield grating lobe. If element antennas are simp... [more] | AP2014-154 pp.19-24 |
| AP | 2012-04-19 11:30 |
Miyagi | Tohoku Univ. | A slotted waveguide array antenna covered by a dielectric slab with a post-wall cavity Satoshi Yamaguchi, Yoji Aramaki, Toru Takahashi, Masataka Ohtsuka, Yoshihiko Konishi (Mitsubishi Electric Corp.) AP2012-5 |
[more] | AP2012-5 pp.21-26 |
| AP | 2010-03-08 14:10 |
Saitama | Saitama University | A Gaussian Beam Theory for Scanning Reflector Antennas Fed by Defocused Arrays Toru Takahashi, Masataka Ohtsuka, Tamotsu Nishino, Yoshihiko Konishi, Isamu Chiba (Mitsubishi Electric Corp.) AP2009-214 |
In this report, a novel design theory is proposed to provide beam scanning characteristics of the reflector antennas fed... [more] | AP2009-214 pp.55-60 |
| MW | 2009-09-25 15:50 |
Tokyo | Univ. of Electro-Communications | Construction and Design Equations of a Lumped Element Dual-Band Wilkinson Divider Takeshi Oshima, Toru Fukasawa, Masataka Ohtsuka, Hiroaki Miyashita (Mitsubishi Electric Corp.) MW2009-87 |
This report presents the construction and design equations of a lumped element Wilkinson divider with dual-band operatio... [more] | MW2009-87 pp.79-82 |
| AP | 2009-09-04 10:25 |
Aomori | Hachinohe Inst. of Tech. | Post-wall slotted waveguide array antennas for a broadband communication system in 60GHz band Satoshi Yamaguchi, Jun Goto, Toru Takahashi, Masataka Ohtsuka, Tamotsu Nishino, Yoshihiko Konishi (Mitsubishi Electric Corp.) AP2009-93 |
[more] | AP2009-93 pp.79-84 |
| AP, SAT (Joint) |
2009-07-08 13:00 |
Hokkaido | Otaru city, Hokkaido | Evaluation of the Unwanted Radiation Suppression Technique for Printed Dipole Array Antennas with a Ground Plane Jun Goto, Satoshi Yamaguchi, Toru Takahashi, Tamotsu Nishino, Masataka Ohtsuka, Yoshihiko Konishi (Mitsubishi Electric Corp.) AP2009-48 |
Printed dipole array antennas with a ground plane are well known as wideband and inexpensive. In order to supress the un... [more] | AP2009-48 pp.23-27 |
| AP | 2009-06-11 14:00 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | A Gaussian Beam Design Theory for Reflector Antennas Fed by Defocused Arrays Toru Takahashi, Masataka Ohtsuka, Tamotsu Nishino, Yoshihiko Konishi, Isamu Chiba (Mitsubishi Electric Corp.) AP2009-39 |
In this report, a novel design theory is proposed for reflector antennas fed by defocused arrays, which is based on a Ga... [more] | AP2009-39 pp.13-18 |
| AP | 2009-05-22 10:55 |
Kumamoto | Kumamoto Univ. | An Adaptive Antenna Using Eigenvector Beams for OFDM Transmission with Zero Carriers Kazunari Kihira, Masataka Ohtsuka, Yoshihiko Konishi, Isamu Chiba (Mitsubishi Electric Corp.) AP2009-28 |
OFDM systems are known to outperform single carrier systems under a multipath environment. However, the multipath waves,... [more] | AP2009-28 pp.99-104 |
| AP | 2009-02-13 09:45 |
Tokyo | Tokyo University of Agriculture and Technology | Reflection Phase of Freqency Selective Reflector with Metal Sheet Yoshiki Seki, Shigeru Makino, Shin-ichi Betsudan, Tetsuo Hirota, Keisuke Noguchi, Motoo Mizusawa (Kanazawa Inst. of Tech.), Masataka Ohtsuka (Mitsubishi Electric Co.) AP2008-204 |
[more] | AP2008-204 pp.91-95 |
| AP | 2009-01-23 11:20 |
Fukuoka | Fukuoka University | An Improved Calibration Scheme for Mechanical Distortions of Satellite Phased Array Antennas Toru Takahashi, Narihiro Nakamoto, Masataka Ohtsuka, Toshihiko Aoki, Yoshihiko Konishi (Mitsubishi Electric.), Masanobu Yajima (JAXA) AP2008-179 |
Some mechanical distortions of satellite phased arrays can be electrically calibrated by compensating the phase differen... [more] | AP2008-179 pp.169-174 |
| 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 |
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