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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| AP, MW (Joint) |
2012-09-27 13:25 |
Saitama | KDDI R&D LABS | A Study of Acceleration of Conjugate Gradient Method Using GPU Hajime Katsuda, Keisuke Konno, Qiang Chen, Kunio Sawaya (Tohoku Univ.), Kei Yokogawa, Qiaowei Yuan (Sendai National College of Technology), Toshihiro Sezai (JAXA)  AP2012-86 |
In method of moments (MoM), large computing time consumption is a serious problem for solving a large-scale matrix equat... [more] | AP2012-86 pp.25-29 |
| AP, WPT (Joint) |
2012-08-28 13:25 |
Niigata | Niigata Univ. | Transmitting efficiency of WPT system using 2-helicals transmitting and 2-helicals receiving elements Takahiro Hoshi, Qiaowei Yuan (SNCT) |
[more] | |
| AP | 2012-06-14 14:55 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | A Study of Accelerated MoM Computation Using GPU Hajime Katsuda, Keisuke Konno, Qiang Chen, Kunio Sawaya (Tohoku Univ.), Kei Yokogawa, Qiaowei Yuan (Sendai National College of Technology) AP2012-28 |
In method of moments (MoM), cost of too much computing time becomes a serious problem for numerical analysis of large-sc... [more] | AP2012-28 pp.25-30 |
| AP | 2012-04-19 10:05 |
Miyagi | Tohoku Univ. | Dual-Antenna System Using Series-fed Microstrip Antenna and Planar Yagi-Uda Antenna Jianfeng Li, Qiang Chen, Kunio Sawaya (Tohoku Univ.), Qiaowei Yuan (Sendai National College of Tech.) AP2012-2 |
[more] | AP2012-2 pp.7-10 |
| AP | 2012-04-19 10:30 |
Miyagi | Tohoku Univ. | Wireless Power Transfer System of Electromagnetic coupling Takahiro Hoshi, Qiaowei Yuan, Shinji Abe (SNCT) AP2012-3 |
Wireless Power Transfer System of Electromagnetic coupling research has been actively. In this Paper, We intended to imp... [more] | AP2012-3 pp.11-14 |
| AP | 2012-04-19 13:00 |
Miyagi | Tohoku Univ. | Research on acceleration of Method of Moments using GPU Kei Yokogawa, Yuuki Saito, Qiaowei Yuan (SNCT), Toshihiro Sezai (JAXA), Hajime Katsuda, Keisuke Konno, Qiang Chen, Kunio Sawaya (Tohoku Univ.) AP2012-6 |
For numerical analysis of large-scale antennas, large CPU time is required for solving linear systems in Method of Momen... [more] | AP2012-6 pp.27-32 |
| AP, RCS (Joint) |
2011-11-17 10:10 |
Aichi | Nagoya Congress Center | Experimental Study on Improving Propagation Performance in Wireless Comminications Using Passive Repeaters Qiang Chen, Lin Wang (Tohoku Univ.), Shi-Wei Qu (Univ. of Electronic Science and Tech. of China), Qiaowei Yuan (Sendai National College of Tech.), Kunio Sawaya (Tohoku Univ.) AP2011-104 |
A passive repeater (PR), which comprises one 4-element folded-patch antenna (FPA) array, one planar Yagi-Uda array, and ... [more] | AP2011-104 pp.85-89 |
| AP, WPT (Joint) |
2011-10-14 10:10 |
Kanagawa | Kanagawa Womens Center | Effect of Impedance Matching on Efficiency of Wireless Power Transfer by Near-field Coupled Resonance Qiang Chen, Kazuhiro Ozawa, Shinsuke Kiyono (Tohoku Univ.), Qiaowei Yuan (Sendai National College of Technology), Kunio Sawaya (Tohoku Univ.) AP2011-82 |
[more] | AP2011-82 pp.31-35 |
| AP, WPT (Joint) |
2011-10-14 13:25 |
Kanagawa | Kanagawa Womens Center | Transfer Efficiency of WPT System Calculated by S-Parameters Qiaowei Yuan (SNCT), Qiang Chen, Kunio Sawaya (Tohoku Univ.) |
[more] | |
| AP | 2011-05-12 13:30 |
Kagoshima | Antenna Design for Near-field Coupled Wireless Power Transmission Qiang Chen, Kazuhiro Ozawa (Tohoku Univ.), Qiaowei Yuan (Sendai National College of Tech.), Kunio Sawaya (Tohoku Univ.) AP2011-9 |
[more] | AP2011-9 pp.21-26 |
|
| AP, MW (Joint) |
2011-03-04 13:00 |
Ibaraki | Ibaraki Univ. | [Special Talk]
Equivalent excitation of varactors combined with MoM Qiaowei Yuan (Sendai Nat Coll. of Tech.), Takashi Ohira (Toyohashi Univ. of Tech.) AP2010-193 MW2010-169 |
[more] | AP2010-193 MW2010-169 pp.117-122(AP), pp.99-104(MW) |
| AP | 2010-05-13 14:00 |
Overseas | Southeast Univ. | MIMO Performance of Modulated Scattering Antenna Array in Indoor Environment Lin Wang, Qiang Chen (Tohoku Univ.), Qiaowei Yuan (Sendai National College of Tech.), Kunio Sawaya (Tohoku Univ.) AP2010-18 |
In this report, the MIMO performance of modulated scattering antenna array (MSAA) is analyzed numerically based on an ap... [more] | AP2010-18 pp.33-36 |
| AP | 2009-09-03 14:25 |
Aomori | Hachinohe Inst. of Tech. | Efficiency Improvement of Wireless Power Transfer System Using Resonant Near-Field Coupling Qiaowei Yuan (Sendai Natl. College Tech.), Qiang Chen, Takanori Iwaki, Kazuhiro Ozawa, Kunio Sawaya (Tohoku Univ,) AP2009-87 |
[more] | AP2009-87 pp.47-52 |
| AP, SAT (Joint) |
2009-07-09 11:15 |
Hokkaido | Otaru city, Hokkaido | Performance Evaluation of Modulated Scattering Antenna Array Qiang Chen, Lin Wang (Tohoku Univ.), Qiaowei Yuan (Sendai Natl. College Tech.), Kunio Sawaya (Tohoku Univ.) AP2009-63 |
[more] | AP2009-63 pp.113-116 |
| AP | 2009-05-21 14:20 |
Kumamoto | Kumamoto Univ. | Fast Measurement of Radiation Efficiency of Antennas Using Parallel Modulated Probe Array Qiang Chen, Mang He (Tohoku Univ.), Qiaowei Yuan (Sendai National College of Tech.), Kunio Sawaya (Tohoku Univ.) AP2009-19 |
A strip model is incorporated in the volume-surface integral equation (VSIE) to simplify the analysis of the probe-fed c... [more] | AP2009-19 pp.47-51 |
| AP | 2008-09-12 10:45 |
Kanagawa | National Defense Academy | Transmission Efficiency of Evanescent Resonant Coupling Wireless Power Transfer System with Consideration of Human Body Effect Qiaowei Yuan, Qiang Chen, Kunio Sawaya (Tohoku Univ.) AP2008-91 |
A more practical wireless transmission system consisting of a larger rectangular wire loop and a small square wire loop... [more] | AP2008-91 pp.95-100 |
| AP, SAT (Joint) |
2008-07-24 11:20 |
Hokkaido | Hokkaido University | Simultaneous Switching Noise Suppression in High-Speed Digital System Using Wideband Electromagnetic Bandgap Structure Long Li, Qiang Chen, Qiaowei Yuan, Kunio Sawaya (Tohoku Univ.) AP2008-57 |
Simultaneous switching noise (SSN) on the power/ground planes is becoming one of the major bottleneck for designing the ... [more] | AP2008-57 pp.119-122 |
| AP, SAT (Joint) |
2008-07-24 13:25 |
Hokkaido | Hokkaido University | Experimental Study on MIMO Performance of Modulated Scattering Array Antenna in Indoor Environment Lin Wang, Qiang Chen, Qiaowei Yuan, Kunio Sawaya (Tohoku Univ.) AP2008-60 |
The modulated scattering array antenna (MSAA) is composed of one normal antenna element and several modulated scattering... [more] | AP2008-60 pp.135-138 |
| AP | 2008-01-25 13:40 |
Okinawa | Tyeruru.(Naha) | Radiation Efficiency of Lossy Planar Dipole Antenna Qiaowei Yuan, Toru Uno, Takuji Arima (Tokyo Univ. of Agriculture and Tech.), Qiang Chen, Kunio Sawaya (Tohoku Univ.) AP2007-152 |
The conductivity, the thickness and the surface roughness of conductor have been thought the factors which perhaps affec... [more] | AP2007-152 pp.173-178 |
| AP | 2008-01-25 15:10 |
Okinawa | Tyeruru.(Naha) | Single Integral Expressions of Self/Mutual Impedance of Volume Sinusoidal Monopoles with Consideration of Endpoint Charges Huiqing Zhai (Tohoku Univ.), Qiaowei Yuan (Tokyo Univ. of Agriculture and Tech.), Qiang Chen, Kunio Sawaya (Tohoku Univ.) AP2007-156 |
[more] | AP2007-156 pp.197-202 |
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