| Paper Abstract and Keywords |
| Presentation |
2005-10-13 13:40
Quasi-Zenith Satellite System (QZSS)
-- Outline and its time related mission --
Shin'ichi Hama, Yasuhiro Takahashi, Jun Amagai, Hiroyuki Ito, Takao Morikawa, Shouichirou Yokota, Miho Fujieda, Kazuhiro Kimura (NICT) |
| Abstract |
(in Japanese) |
(See Japanese page) |
| (in English) |
Japan has started a project of Quasi-Zenith Satellite System (QZSS)
since FY2003. QZSS will be highly useful not only for communications
but for complement of the modernized GPS in urban canyon and mountainous
area with its high visibility brought out by its inclined orbits.
National Institute of Information and Communications Technology, Japan
(NICT) is to develop a Space-borne Hydrogen Maser (SHM) and time
management system, and carry out experiments using them. A breadboard
model (BBM) of the SHM was developed to overcome the issues such as
size, weight and life time, which are required in space environment.
Basic design was carried out for time management system to achieve nano
second level time transfer. The design and the manufacturing of the
engineering models (EM) of the on-board equipment have been carried out
since 2004. The first satellite is planned to be launched in FY 2008. |
| Keyword |
(in Japanese) |
(See Japanese page) |
| (in English) |
QZSS / H-maser / time management / TWSTFT / / / / |
| Reference Info. |
IEICE Tech. Rep., vol. 105, no. 322, SAT2005-19, pp. 13-17, Oct. 2005. |
| Paper # |
SAT2005-19 |
| Date of Issue |
2005-10-06 (SAT) |
| ISSN |
Print edition: ISSN 0913-5685 |
| Download PDF |
|
| Conference Information |
| Committee |
SAT |
| Conference Date |
2005-10-13 - 2005-10-14 |
| Place (in Japanese) |
(See Japanese page) |
| Place (in English) |
Rubura Ohzan |
| Topics (in Japanese) |
(See Japanese page) |
| Topics (in English) |
Joint Conference on Satallite Communication 2005 |
| Paper Information |
| Registration To |
SAT |
| Conference Code |
2005-10-SAT |
| Language |
English |
| Title (in Japanese) |
(See Japanese page) |
| Sub Title (in Japanese) |
(See Japanese page) |
| Title (in English) |
Quasi-Zenith Satellite System (QZSS) |
| Sub Title (in English) |
Outline and its time related mission |
| Keyword(1) |
QZSS |
| Keyword(2) |
H-maser |
| Keyword(3) |
time management |
| Keyword(4) |
TWSTFT |
| Keyword(5) |
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| Keyword(6) |
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| Keyword(7) |
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| Keyword(8) |
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| 1st Author's Name |
Shin'ichi Hama |
| 1st Author's Affiliation |
NICT (NICT) |
| 2nd Author's Name |
Yasuhiro Takahashi |
| 2nd Author's Affiliation |
NICT (NICT) |
| 3rd Author's Name |
Jun Amagai |
| 3rd Author's Affiliation |
NICT (NICT) |
| 4th Author's Name |
Hiroyuki Ito |
| 4th Author's Affiliation |
NICT (NICT) |
| 5th Author's Name |
Takao Morikawa |
| 5th Author's Affiliation |
NICT (NICT) |
| 6th Author's Name |
Shouichirou Yokota |
| 6th Author's Affiliation |
NICT (NICT) |
| 7th Author's Name |
Miho Fujieda |
| 7th Author's Affiliation |
NICT (NICT) |
| 8th Author's Name |
Kazuhiro Kimura |
| 8th Author's Affiliation |
NICT (NICT) |
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| Speaker |
Author-1 |
| Date Time |
2005-10-13 13:40:00 |
| Presentation Time |
25 minutes |
| Registration for |
SAT |
| Paper # |
SAT2005-19 |
| Volume (vol) |
vol.105 |
| Number (no) |
no.322 |
| Page |
pp.13-17 |
| #Pages |
5 |
| Date of Issue |
2005-10-06 (SAT) |
|