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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| AP | 2023-10-19 10:00 |
Iwate | Iwate University (Primary: On-site, Secondary: Online) |
[Poster Presentation]
High Crossover Level Design of a 300 GHz Band Multi-beam Spherical Homogeneous Dielectric Lens Antenna Takeyuki Tsuchida, Yoshiki Sugimoto, Kunio Sakakibara, Nobuyoshi Kikuma (NITech)  AP2023-93 |
Dielectric lens antennas are suited for use as antennas in 300 GHz band because they can easily achieve high gain with l... [more] | AP2023-93 pp.27-31 |
| RCS | 2018-04-23 11:20 |
Yamaguchi | Hotel New Tanaka, Yuda Onsen | Optimization of Beam Patterns for Analog Beamforming of Single User Massive MIMO Transmissions Maki Arai, Kei Sakaguchi, Kiyomichi Araki (Tokyo Inst. of Tech.) RCS2018-5 |
This paper proposes optimal beam patterns of analog beamforming for SU (Single User) massive MIMO (Multi-Input Multi-Out... [more] | RCS2018-5 pp.25-30 |
| EA | 2016-07-07 13:20 |
Shizuoka | Yamaha, Toyooka Factory | Post-filtering for reverberation suppression using priori DRR estimation on multiple isotropic beams Yuhei Yamamoto, Yoichi Haneda (UEC) EA2016-9 |
Reverberation often degenerates the quality of speech signals. The beamforming technique is a promising approach for s... [more] |
EA2016-9 pp.13-18 |
| WPT | 2016-03-07 16:10 |
Kyoto | Kyoto Univ. Uji Campus | Experimental Study of the Beam Convergence Method Using METLAB Facilities Takashi Uno, Kuniaki Shibata, Kenji Saegusa, Takano Tadashi (Nihon Univ.), Takaki Ishikawa, Naoki Shinohara (Kyoto Univ.) WPT2015-83 |
Wireless power transmission in a relatively close distance have been examined. In this case, we have to generate and pro... [more] | WPT2015-83 pp.39-44 |
| AP, RCS, WPT, SAT (Joint) |
2015-11-04 14:05 |
Okinawa | Okinawa Prefectural Museum & Art Museum | Study of broadband reflect-array antennas surface structure Shouta Yoshimoto, Yuka Fujii, Shigeru Makino, Tetsuo Hirota, Keisuke Noguchi, Kenji Itoh (KIT), Takeshi Shiode, Michio Takikawa (Mitsubishi Electric Corp.) AP2015-118 |
In this paper, it will examine the behavior of the wave front when it chose any mirror surface constitution. When the pr... [more] | AP2015-118 pp.47-51 |
| WPT | 2015-06-12 18:40 |
Tokyo | Univ. of Tokyo | Analysis of Electromagnetic Wave Beam for Wireless Power Transmission Takashi Uno, Kuniaki Shibata, Kenji Saegusa, Tadashi Takano (Nihon Univ.) WPT2015-35 |
Wireless power transmission between relatively close distance have been examined. In this case, we have to generate and ... [more] | WPT2015-35 pp.81-85 |
| WPT, MW | 2015-04-17 10:45 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Design Method of a Well-confined Microwave Beam by Synthesizing Spherical Wave Takayuki Matsumuro, Yohei Ishikawa, Takaki Ishikawa, Naoki Shinohara (Kyoto Univ.) WPT2015-11 MW2015-11 |
Beam forming of the phased array antenna is one of the most important technology in the microwave power transmission sys... [more] | WPT2015-11 MW2015-11 pp.57-60 |
| SIP, EA, SP | 2015-03-03 10:45 |
Okinawa | [Poster Presentation]
Directivity control of a dodecahedron loudspeaker array by using a minimum variance beamformer in a spherical harmonics domain. Kazuna Bando, Yoichi Haneda (UEC) EA2014-112 SIP2014-153 SP2014-175 |
This paper describes a directivity control method for a spherical loudspeaker array. The beam pattern of the spherical... [more] |
EA2014-112 SIP2014-153 SP2014-175 pp.219-224 |
|
| EE, WPT (Joint) |
2014-11-19 14:20 |
Kyoto | Doshisha University | Beam Design Method of Phased Array Antenna with Synthesized Spherical Wave Takayuki Matsumuro, Yohei Ishikawa, Takaki Ishikawa, Naoki Shinohara (Kyoto Univ.) WPT2014-62 |
Beam forming of the phased array antenna is one of the most important technology in microwave power transmission. Especi... [more] | WPT2014-62 pp.67-70 |
| OFT | 2012-10-25 15:20 |
Yamaguchi | KAIKYO MESSE SHIMONOSEKI | Ferruled lensed-fibers having high focusing power both in the air and resin Masahiro Suzuki, Masaru Horiuchi, Hidehiko Yoda, Kazuo Shiraishi (Utsunomiya Univ.) OFT2012-34 |
Two structures of ferruled lensed-fiber each employing a graded-index fiber with eigen-beam diameter (EB-GIF) to provide... [more] | OFT2012-34 pp.11-16 |
| OFT | 2011-10-20 14:15 |
Nagano | HILC lensed fibers applicable to use in resin Masahiro Suzuki, Hidehiko Yoda, Kazuo Shiraishi (Utsunomiya University) OFT2011-34 |
An advanced structure of lensed fiber employing a graded-index fiber with eigen-beam diameter (EB-GIF) to provide superi... [more] | OFT2011-34 pp.15-20 |
|
| US | 2011-09-26 14:00 |
Miyagi | Tohoku Univ. | High frame rate imaging of the heart using parallel beamforming Hideyuki Hasegawa, Hiroshi Kanai (Tohoku Univ.) US2011-46 |
Ultrasonography is a valuable method for non-invasive diagnosis of living organs, such like the heart, by measuring cro... [more] |
US2011-46 pp.1-5 |
| EA | 2010-08-10 13:15 |
Miyagi | Tohoku Univ. | Fast Ultrasonic Imaging of the Heart Using Spherically Diverging Beam Hideyuki Hasegawa, Hiroshi Kanai (Tohoku Univ.) EA2010-54 |
Ultrasonography is a valuable method for non-invasive diagnosis of living organs, such like the heart, by measuring cros... [more] | EA2010-54 pp.65-68 |
| US | 2010-06-24 15:15 |
Tokyo | Improved transverse cross-sectional imaging of silicone-rubber tube phantom by using multi-element spherical beam from a linear array transducer Akinlolu Ponnle, Hideyuki Hasegawa, Hiroshi Kanai (Tohoku Univ.) US2010-26 |
[Background] Transverse cross-sectional imaging of the intima-media complex of the carotid arterial wall is difficult to... [more] | US2010-26 pp.71-76 |
|
| OFT | 2009-01-23 10:55 |
Kochi | A lensed fiber with a plano-convex silicon microlens Shin-nosuke Furuta, Tetsuya Hitomi, Takuhiro Irie, Hidehiko Yoda, Kazuo Shiraishi (Utsunomiya Univ.) OFT2008-83 |
Theoretical and experimental performance of a lensed fiber employing a plano-convex microlens made of hydrated amorphous... [more] | OFT2008-83 pp.59-62 |
|
| US | 2008-08-29 13:30 |
Tokyo | Jamstec | Analysis of convergence field of acoustical lens for micro-ultrasound probe and measurement of convergence field using the scale model Takenobu Tsuchiya (Kanagawa Univ.), Sayuri Matsumoto (PARI), Fumitaka Naito, Yuichi Shin, Mari Takahashi, Nobuyuki Endoh (Kanagawa Univ.) US2008-26 |
Recently, acoustical lens has been to use the development for measurement instrument in underwater acoustics field. For ... [more] | US2008-26 pp.1-6 |
| AP, SAT (Joint) |
2006-07-07 09:30 |
Hiroshima | Hiroshima Institute of Technology | Design of Earth Station Antennas for Crustal Movement Observation System Using Quasi-Zenith Satellites Shuji Urasaki (Hiroshima Institute of Technology), Manabu Higuchi (FUJITSU SUPPORT AND SERVICE INC.), Tadashi Oshima, Atsushi Okamura (Mitsubishi Electric Corp.) SAT2006-13 |
In observation system of crustal movement at the area of an earth station using two quasi-zenith satellites which have r... [more] | SAT2006-13 pp.1-6 |
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