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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| AP | 2021-05-21 13:25 |
Online | Online | 3D Measurement Method by Using a Drone for RSSI with a Long-Range Propagation Aya Asamura, Eiichi Mizuta, Izumi Kawabe, Kohtaroh Sugizono, Hirofumi Kawabata, Toshihiro Sezai, Koji Sunami (JAXA), Mikio Fukushima, Takuji Sasoh (Dolphin System)  AP2021-16 |
This paper reports the 3D measurement method we developed to evaluate RSSI by long-range propagation using a drone with ... [more] | AP2021-16 pp.38-43 |
| MW, AP (Joint) |
2020-09-25 10:25 |
Online | Online | Experimental Result of Antenna Pattern of Small Parabola
-- Realization of Broad Beam Antenna by Small Parabola -- Toshihiro Sezai, Kohtaroh Sugizono, Ken Teraoka, Koji Sunami (JAXA), Hidehiko Fujii, Hirosuke Suzuki (KEYCOM) AP2020-62 |
One of us devised a small parabola antenna for broad beam pattern. We actually manufactured a small parabola antenna and... [more] | AP2020-62 pp.133-138 |
| SANE | 2020-08-28 14:25 |
Online | Online | High-Resolution Direction Measurement Using a Rotating Radar
-- Result of Processing Outputs of a Pulse Radar and an FM-CW Radar -- Toshihiro Sezai (JAXA) SANE2020-24 |
The author devised a method for measuring radio wave information with high resolution using a beam scanning antenna. The... [more] | SANE2020-24 pp.19-23 |
| SANE | 2020-04-22 11:40 |
Online | Online | Highly Precise and High-Resolution Measurement of Direction of Arrival by Using a Rotating Antenna
-- Result of Receiving and Processing Radio Waves from H-IIB Launch Vehicle on Launch Pad -- Toshihiro Sezai, Kohtaroh Sugizono, Tomonori Ichikawa, Koji Sunami (JAXA) SANE2020-5 |
One of the authors devised a method for the highly precise and high-resolution measurement of radio wave information by ... [more] | SANE2020-5 pp.25-29 |
| SANE | 2017-08-25 10:25 |
Osaka | OIT UMEDA Campus | Improvement of Directional Resolution of Rotational Radar by Prony Analysis of Deconvolved Antenna Output Toshihiro Sezai (JAXA) SANE2017-35 |
This paper introduces a new method of improving the directional resolution of rotational radar. This method is conceptua... [more] | SANE2017-35 pp.37-42 |
| 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 | 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 |
| SANE | 2011-06-23 10:10 |
Ibaraki | Tsukuba Space Center (JAXA) | Null Beam Forming by Amplitude and Phase Control for Multiple-Beam Phased Array Antennas Takayuki Nakanishi, Kazunari Kihira, Toru Takahashi, Toshihiko Aoki, Ichiro Inamori, Yoshihiko Konishi (Mitsubishi Electric Corp.), Masanobu Yajima, Toshihiro Sezai, Johta Awano (JAXA) SANE2011-19 |
Multiple access technologies have been required for intersatellite communications between low earth orbit (LEO) satellit... [more] | SANE2011-19 pp.11-16 |
| AP | 2011-05-12 10:00 |
Kagoshima | Study on MoM combined with CBFM Keisuke Konno, Qiang Chen, Kunio Sawaya (Tohoku Univ.), Toshihiro Sezai (JAXA) AP2011-5 |
[more] | AP2011-5 pp.1-6 |
|
| AP, SAT (Joint) |
2009-07-08 14:15 |
Hokkaido | Otaru city, Hokkaido | Analysis of Huge-scale Periodic Array Antenna for SSPS Using Impedance Extension Method Keisuke Konno, Qiang Chen, Kunio Sawaya (Tohoku Univ.), Toshihiro Sezai (JAXA) AP2009-51 |
It is important to analyze a huge-scale periodic array antenna which is assumed to be used for power transmission from s... [more] | AP2009-51 pp.41-46 |
| AP, SAT (Joint) |
2008-07-25 16:05 |
Hokkaido | Hokkaido University | Analysis of Large-scale Periodic Array Antenna Using Impedance Extension Method Keisuke Konno, Qiang Chen, Kunio Sawaya (Tohoku Univ.), Toshihiro Sezai (JAXA) AP2008-70 |
[more] | AP2008-70 pp.189-194 |
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