Zobrazeno 1 - 10
of 30
pro vyhledávání: '"Cheol-Hea Koo"'
Publikováno v:
Journal of Astronomy and Space Sciences, Vol 28, Iss 3, Pp 241-252 (2011)
A simulated network protocol provides the capability of distributed simulation to a generic simulator. Through this, full coverage of management of data and service handling among separated simulators is achieved. The distributed simulation environ
Externí odkaz:
https://doaj.org/article/ee561c9d38c6485cad7fa676b2602726
Publikováno v:
Journal of Astronomy and Space Sciences, Vol 27, Iss 4, Pp 407-412 (2010)
Software reusability is one of key factors which impacts cost and schedule on a software development project. It is very crucial also in satellite simulator development since there are many commercial simulator models related to satellite and dynam
Externí odkaz:
https://doaj.org/article/0eabd803dbdb4411b8a9965375daa2d1
Publikováno v:
Journal of Astronomy and Space Sciences, Vol 25, Iss 3, Pp 321-328 (2008)
Software Test Bench should be simulated with maximum quality to real execution environment in order to verify the performance of software which is changed or newly developed. And especially faults detection and recovery are crucial function of the pe
Externí odkaz:
https://doaj.org/article/a5bb088e88d14902a5664d4670d46f2b
Publikováno v:
Journal of Astronomy and Space Sciences, Vol 24, Iss 4, Pp 451-456 (2007)
Data coming from devices shall be transported to a specific task to be used in a software with the most accurate time and data integrity. During this process, a potential cause for invoking structured hazard and performance degradation is dormant. In
Externí odkaz:
https://doaj.org/article/87072d447d324afc9cd1689e9761f7f3
Publikováno v:
Journal of Astronomy and Space Sciences, Vol 23, Iss 4, Pp 445-452 (2006)
In this paper, the conceptual design of satellite digital base part which is based upon data interface between satellite on-board computer and remote devices like satellite sub-components is presented. This conceptual design shows the unification of
Externí odkaz:
https://doaj.org/article/7b83a22c280e413b91ab2b2cd1fbd64e
Autor:
Cheol Hea Koo
Publikováno v:
The Journal of Korean Institute of Communications and Information Sciences. 46:2134-2143
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c07f9a82e2c97bff0e09d08e9ca84a63
https://doi.org/10.7840/kics.2021.46.12.2134
https://doi.org/10.7840/kics.2021.46.12.2134
Autor:
Cheol Hea Koo, Hyungshin Kim
Publikováno v:
International Journal of Aeronautical and Space Sciences. 21:1147-1160
In space exploration missions, the spacecraft have limited computing resources. In particular, the communications environments for these spacecraft, whether in deep space or the cislunar region, are characterized by intermittent connectivity loss, lo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b26e51706989296d504d23007f50c51d
https://doi.org/10.1007/s42405-020-00303-5
https://doi.org/10.1007/s42405-020-00303-5
Autor:
Cheol Hea Koo, Hyungshin Kim
Publikováno v:
Journal of the Korean Society for Aeronautical & Space Sciences. 48:295-301
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::29ec8b208a0ee5f1716aceddc1ee724d
https://doi.org/10.5139/jksas.2020.48.4.295
https://doi.org/10.5139/jksas.2020.48.4.295
Autor:
Dong-Young Rew, Su-Jin Choi, Donghun Lee, Seung Yong Min, In-Kyu Kim, Changkyoon Kim, Jae-Wook Kwon, Cheol-Hea Koo, Sang-Man Moon
Publikováno v:
Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering. 231:1325-1337
The Republic of Korea plans to launch a lunar orbiter and lander by 2020. There are several ways to enter lunar orbit: direct transfer, phasing loop transfer, weak stability boundary transfer, and spiral transfer trajectory. In this study, trajectory
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ebc4c5f0e290f0cf445417388a964d2b
https://doi.org/10.1177/0954410016651292
https://doi.org/10.1177/0954410016651292
Publikováno v:
Journal of the Korean Society for Aeronautical & Space Sciences. 44:240-246
The hottest news and achievements of space science and research in recent years may be NASA Curiosity rover’s exploration (2013) of Mars, China Chang’e 3’s exploration (2013) of Moon, ESA Rosetta’s exploration (2014) of Comet 67P/Churyumov-Ge
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c2d05de0287e0ab0fe4cde1e557bb23e
https://doi.org/10.5139/jksas.2016.44.3.240
https://doi.org/10.5139/jksas.2016.44.3.240