Zobrazeno 1 - 10
of 99
pro vyhledávání: '"Young-Keun Chang"'
Publikováno v:
Aerospace, Vol 8, Iss 10, p 277 (2021)
In this study, we analyzed the imaging maneuver time, retargeting maneuver time, and attitude maneuvering characteristics in the imaging section (Phase 1) and retargeting maneuver section (Phase 2) when taking multiple-target images in squint spotlig
Externí odkaz:
https://doaj.org/article/44c7b5992df44656a79bca612fab3315
Publikováno v:
International Journal of Aerospace Engineering, Vol 2018 (2018)
This paper describes the main concept and development of a standard platform architecture of 3U Cube Satellite, whose design and performance were implemented and verified through the development of KAUSAT-5 3U CubeSat. The 3U standard platform is bui
Externí odkaz:
https://doaj.org/article/e30ec53bf68942a7b5b3a2633b155917
Publikováno v:
Journal of Astronomy and Space Sciences, Vol 23, Iss 1, Pp 39-54 (2006)
HAUSAT-2 is nano satellite with 25 kg mass being developed by Space System Research Lab. in Hnakuk Aviation University. This paper addresses HAUSAT-2 small satellite thermal analyses and its verification at satellite system, electronic box, and PCB l
Externí odkaz:
https://doaj.org/article/d561a60d180d49ef85c003a31910af87
Autor:
Ji-Wan Jung, Young-Keun Chang
Publikováno v:
Journal of Astronomy and Space Sciences, Vol 22, Iss 4, Pp 537-558 (2005)
This paper addresses the results of HAUSAT-2 radiation environment and effect analyses, including TID and SEE analyses. Trapped proton and electron, solar proton, galactic cosmic ray models were considered for HAUSAT-2 TID radiation environment analy
Externí odkaz:
https://doaj.org/article/a7959ceae2bf4242b93a7e8e82f6d03b
Publikováno v:
Journal of Astronomy and Space Sciences, Vol 22, Iss 1, Pp 35-46 (2005)
This paper addresses the design and analysis results of a 2-axes magnetometer for attitude determination of small satellite. A low-cost and efficient 2-axes fluxgate magnetometer was selected as the most suitable attitude sensor for LEO microsatellit
Externí odkaz:
https://doaj.org/article/201765005a8d47b4b08fe00f8c07cd0c
Publikováno v:
Journal of Astronomy and Space Sciences, Vol 22, Iss 1, Pp 21-34 (2005)
The initial conditions that generate bounded motion in eccentric reference orbit are determined for satellite formation flying. Because Hill's equations cannot describe the relative motion between two satellites in eccentric orbit, a new relative dyn
Externí odkaz:
https://doaj.org/article/f48e4ffca4d84a04b1f1098d194be57b
Publikováno v:
Journal of Astronomy and Space Sciences, Vol 22, Iss 1, Pp 47-58 (2005)
This paper addresses development of the ultra-light analog sun sensors for small satellite applications. The sun sensor is suitable for attitude determination for small satellite because of its small, light, low-cost, and low power consumption charac
Externí odkaz:
https://doaj.org/article/3dfd67d765ac4a91af4d3ec44ebcc1a7
Autor:
Jin-Ho Lee, Young-Keun Chang
Publikováno v:
Journal of Astronomy and Space Sciences, Vol 17, Iss 1, Pp 117-122 (2000)
The KOMPSAT (KOrea Multi-Purpose SATellite) has two optical imaging instruments called EOC (Electro-Optical Camera) and OSMI (Ocean Scanning Multispectral Imager). The image data of these instruments are transmitted to ground station and restored cor
Externí odkaz:
https://doaj.org/article/f8b20f4af4b74427bbd1e1ed2c1b3164
Autor:
Jeong-Soo Kim, Young-Keun Chang
Publikováno v:
Journal of Astronomy and Space Sciences, Vol 16, Iss 2, Pp 177-190 (1999)
An absorbed heat-flux method for ground simulation of on-orbit thermal environment of satellite is addressed in this paper. For satellite ground test, high vacuum and extremely low temperature of deep space are achieved by space simulation chamber, w
Externí odkaz:
https://doaj.org/article/74575c002e064d428b6ac916e0b95f7e
Publikováno v:
Journal of Astronomy and Space Sciences, Vol 16, Iss 2, Pp 199-208 (1999)
In this paper, KOMPSAT satellite launch and deployment operations are discussed. The U.S. Taurus launch vehicle delivers KOMPSAT satellite into the mission orbit directly. Launch and deployment operations is monitored and controlled by several intern
Externí odkaz:
https://doaj.org/article/694180dd736346d79f762774ce10b79c