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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 6 of 6  /   
Committee Date Time Place Paper Title / Authors Abstract Paper #
AP
(2nd)		 2023-12-07
14:55		 Wakayama Kiboukan (Nanki Shirahama) Evaluation of Multipath Effects while Launching and Landing for Reusable Vehicle
Aya Asamura, Izumi Kawabe, Kousuke Kawahara, Koji Sunami (JAXA) 		Authors experimentally measured multipath propagation effect of reusable launch vehicle communication system for flight ... [more]
AP, SANE, SAT
(Joint)		 2023-07-14
15:50		 Hokkaido The Citizen Activity Center
(Primary: On-site, Secondary: Online)		 [Invited Lecture] Evaluation of Radio Propagation between Launch Vehicle and Ground Station at Low Elevation
Koji Sunami, Aya Asamura, Kohtaroh Sugizono, Naohiro Tsuchiya, Yuudai Yamagami, Takashi Hamasaki (JAXA), Yukio Kamata (Anttech) AP2023-62		 To measure the success or failure of a launch vehicle, telemetry from satellites, the payload, and the launch vehicle is... [more] AP2023-62
pp.172-175
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 2020-04-22
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
AP 2016-01-15
15:30		 Tokyo Takushoku University, Hachiouji Campus [Invited Lecture] Development and Demonstration of Techniques to Suppress Communication Error for Radio Communication System of Launch Vehicle
Takashi Aburaya, Koji Sunami, Naohiro Tsuchiya (JAXA) AP2015-186		  [more] AP2015-186
pp.105-110
 Results 1 - 6 of 6  /   
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