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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| WBS, MICT (Joint) |
2013-07-09 13:00 |
Kochi | [Poster Presentation]
Stochastic Modeling of Ultra Wideband Propagation Channels within a Small Spacecraft for Replacing Onboard Data Busses with Wireless Connections Miyuki Hirose (Tokyo Denki Univ.), Atsushi Tomiki, Tomoaki Toda (JAXA), Takehiko Kobayashi (Tokyo Denki Univ./JAXA)  WBS2013-14 |
Ultra wideband (UWB) propagation was measured and characterized within spacecrafts, with a view to partly replacing onbo... [more] | WBS2013-14 pp.5-10 |
|
| SANE | 2013-06-20 11:35 |
Ibaraki | Tsukuba Space Center, JAXA | Synthetic Aperture Radar Compatible with 100kg Class Satellite Hirobumi Saito, Atsushi Tomiki, Prilando Rizki Akbar, Takashi Ohtani, Kunitoshi Nishijo (JAXA), Josaphat Tetuko Sri Sumantyo (Chiba University), Jiro Hirokawa, Makoto Ando (Tokyo Institute of Technology) SANE2013-15 |
We have started development of small synthetic aperture radar (SAR) compatible to 100kg class small satellites with abou... [more] | SANE2013-15 pp.5-10 |
| SANE | 2013-06-21 10:20 |
Ibaraki | Tsukuba Space Center, JAXA | Long-Distance WPT Experiment using Small Scientific Satellite toward Solar Power Satellite Koji Tanaka, Ken-ichiro Maki, Atsushi Tomiki, Susumu Sasaki, Daisuke Joudoi, Katsumi Makino, Hitoshi Ikeda, Tatsuhito Fujita, Daisuke Goto, Kazuo Ohashi, SPS WG (JAXA) SANE2013-24 |
[more] | SANE2013-24 pp.51-56 |
| SANE | 2013-06-21 15:45 |
Ibaraki | Tsukuba Space Center, JAXA | Propagation Delay Profile of Space-based Automatic Identification System (AIS) Experiment Daichi Hirahara (JAXA), Yasuhiro Ohikata (Mebius), Atsushi Tomiki, Hiromasa Yoshimoto, Suetsugu Shinohara (JAXA) SANE2013-32 |
JAXA has the Satellite AIS demonstration experiment named SPAISE1( SPace based AIS Experiment1) which is installed in Sm... [more] | SANE2013-32 pp.97-102 |
| SANE | 2013-04-25 13:00 |
Nagano | Usuda Deep Space Center, JAXA | Evaluation of the X-band High Speed Downlink Transmitter with GaN-HEMT amplifier for Nano Satellite Tomoya Fukami, Hiromi Watanabe (Univ. of Tokyo), Atsushi Tomiki (JAXA), Naohiko Iwakiri (Univ. of Tokyo), Hirobumi Saito (JAXA), Shinichi Nakasuka (Univ. of Tokyo) SANE2013-1 |
Recently small satellites start playing important roles in earth observation missions. It, however, is true that small s... [more] | SANE2013-1 pp.1-6 |
| SANE | 2013-04-25 14:55 |
Nagano | Usuda Deep Space Center, JAXA | Feasibility study of a radar altimeter for an airplane cruising in the mars' atmosphere Sho Yonemura (Tokyo Denki Univ.), Atsushi Tomiki, Tomoaki Toda (JAXA), Takehiko Kobayashi (Tokyo Denki Univ.) SANE2013-5 |
This report presents a preliminary study of the radar altimeter for an airplane cruising in the Mars’ atmosphere. Furthe... [more] | SANE2013-5 pp.23-28 |
| SANE | 2013-04-26 10:35 |
Nagano | Usuda Deep Space Center, JAXA | Surface exploration robotics system of MINERVA-II onboard Hayabusa-2 asteroid mission Tetsuo Yoshimitsu, Takashi Kubota, Atsushi Tomiki (JAXA), Tadashi Adachi (Seccia Techno) SANE2013-7 |
[more] | SANE2013-7 pp.35-39 |
| AP, RCS (Joint) |
2012-11-16 10:00 |
Tokyo | Tokyo Denki University | Prototype of an X/Ka-Band Primary Radiator for Satellite-Borne Cassegrain Antennas Yuichi Kato, Takehiko Kobayashi (Tokyo Denki Univ.), Kenichi Kagoshima, Shigeki Takeda (Ibaraki Univ.), Atsushi Tomiki, Tomoaki Toda (JAXA) AP2012-106 |
Dual (X and Ka) band downlink operation is demanded scientific satellite missions, to facilitate much higher data rate a... [more] | AP2012-106 pp.77-82 |
| SANE | 2012-10-11 14:20 |
Overseas | The SONGDO CONVENSIA, Incheon Korea | Preliminary Design of X-band High Efficiency Onboard Solid State Power Amplifier for Deep Space Missions Using GaN HEMT Yuta Kobayashi, Atsushi Tomiki, Shinichiro Narita, Shigeo Kawasaki (JAXA) SANE2012-74 |
One of the most indispensable impacts on onboard power consumption is generally caused by a transmission power amplifier... [more] | SANE2012-74 pp.101-105 |
| SANE | 2012-10-11 14:40 |
Overseas | The SONGDO CONVENSIA, Incheon Korea | Developments of high-efficiency GaN RF amplifier and pre-distortion technique for nano/small satellite downlink system Hiromi Watanabe, Tomoya Fukami (Univ. of Tokyo), Atsushi Tomiki, Hirobumi Saito, Naohiko Iwakiri (JAXA) SANE2012-83 |
A high-speed downlink communication system is required to meet different applications for nano/small satellites. Therefo... [more] | SANE2012-83 pp.153-158 |
| SANE | 2012-10-11 16:00 |
Overseas | The SONGDO CONVENSIA, Incheon Korea | Experimental Evaluation of Ultra Wideband Wireless Transmission for Replacing Wired Interface Buses in Spacecrafts Shinichiro Hamada (Tokyo Denki Univ.), Atsushi Tomiki, Tomoaki Toda (JAXA), Takehiko Kobayashi (Tokyo Denki Univ.) SANE2012-72 |
Experimental evaluation of ultra wideband (UWB) wireless transmission was carried out with a view to replacing wired int... [more] | SANE2012-72 pp.89-94 |
| SANE | 2012-06-29 16:10 |
Ibaraki | Tsukuba Space Center, JAXA | Measurement and digital predistortion on high-efficiency GaN based power amplifier for nano/small satellite high-speed communication system Hiromi Watanabe (Tokyo University), Atsushi Tomiki (JAXA), Naohiko Iwakiri, Tomoya Fukami (Tokyo University), Hirobumi Saito (JAXA), Shinichi Nakasuka (Tokyo University) SANE2012-40 |
A high-speed downlink communication system is required to meet different applications for nano/small satellites. Theref... [more] |
SANE2012-40 pp.111-116 |
| SANE | 2012-04-27 10:45 |
Nagano | Usuda Deep Space Center, JAXA | Development of a Compact S-band Transponder for the future of the Lunar and Lagrange point missions Daichi Hirahara, Atsushi Tomiki, Tomoaki Toda, Hirobumi Saito (JAXA) SANE2012-8 |
The more technologies advance, the higher mission achievements are demanded in small satellite missions. In this study, ... [more] | SANE2012-8 pp.41-46 |
| SANE | 2011-10-17 11:40 |
Overseas | Udayana University, Bali, Indonesia | Performance Analysis of SCCC Turbo Equalization with Nonlinear Satellite Channel Compensation Techniques for Nano/Small Satellite High-Speed Communication Systems Naohiko Iwakiri (Univ. of Tokyo), Atsushi Tomiki, Takahide Mizuno, Hirobumi Saito (JAXA), Shinichi Nakasuka (Univ. of Tokyo) SANE2011-66 |
[more] | SANE2011-66 pp.17-22 |
| SANE | 2011-04-21 13:25 |
Nagano | Usuda Deep Space Center, JAXA | Concept study of the multi-band transponder for category-A region Johta Awano, Tomoaki Toda, Atsushi Tomiki, Yuta Kobayashi, Noboru Takata (JAXA) SANE2011-2 |
[more] | SANE2011-2 pp.7-12 |
| SANE | 2011-04-21 14:25 |
Nagano | Usuda Deep Space Center, JAXA | [Special Talk]
Japanese Onboard Deep Space Communication Technologies Based on Usuda Deep Space Center Tomoaki Toda, Atsushi Tomiki, Yuta Kobayashi (JAXA) SANE2011-4 |
Japanese deep space missions have been developed based on Usuda Deep Space Center 64m station (UDSC64). Thus, it is the ... [more] | SANE2011-4 pp.19-24 |
| SANE | 2010-11-26 14:25 |
Kanagawa | JAXA Sagamihara campus | Measurements and characterization of ultra wideband radio propagation channels and transmission thoroughputs within small Spacecrafts Tatsuya Ichikawa, Akihisa Matsubara (TDU), Atsushi Tomiki, Tomoaki Toda (JAXA), Takehiko Kobayashi (TDU) SANE2010-120 |
The replacement of wired data buses among space-borne subsystems with wireless connections enhances onboard component la... [more] | SANE2010-120 pp.19-24 |
| SANE | 2010-11-26 15:15 |
Kanagawa | JAXA Sagamihara campus | Development of Compact Transponder for Lunar and Lagrange point missions Daichi Hirahara, Yuta Kobayashi, Atsushi Tomiki, Tomoaki Toda, Shigeo Kawasaki, Hirobumi Saito (JAXA) SANE2010-122 |
The more technologies advance, the higher mission achievements are demanded in small satellite missions. In addition, th... [more] | SANE2010-122 pp.31-36 |
| SANE | 2010-11-26 15:40 |
Kanagawa | JAXA Sagamihara campus | Experimental Evaluation of Low Phase Noise Ka-Band Coherent Transmission Function for X-Band Deep Space Digital Transponder Atsushi Tomiki, Yuta Kobayashi, Tomoaki Toda (JAXA), Isamu Nozaki, Takehiko Kobayashi (TDU) SANE2010-123 |
A Ka-band coherent transmitter function has been designed to extend a conventional X-band deep space digital transponder... [more] | SANE2010-123 pp.37-42 |
| SANE | 2009-11-03 14:50 |
Overseas | Fudan University (Shanghai) | Stochastic Modeling of Phase Noise for Deep Space Communication Systems Naohiko Iwakiri (Tokyo Denki Univ.), Atsushi Tomiki, Tomoaki Toda (JAXA), Takehiko Kobayashi (Tokyo Denki Univ.) SANE2009-110 |
(To be available after the conference date) [more] | SANE2009-110 pp.153-158 |
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