Zobrazeno 1 - 10
of 26
pro vyhledávání: '"Yong-Sik Chun"'
Publikováno v:
IEEE Photonics Journal, Vol 6, Iss 4, Pp 1-7 (2014)
In this paper, the practical viability of an organic bulk heterojunction (BHJ)based photodiode is studied, including the analysis of dark current density (Jd in A/cm2), external quantum efficiency (EQE in percent), responsivity (R in A/W), noise-equi
Externí odkaz:
https://doaj.org/article/b47c62de2b194e9291a5de5b5de5535b
Publikováno v:
Journal of Astronomy and Space Sciences, Vol 28, Iss 4, Pp 299-304 (2011)
As more satellites are designed to downlink their observed image data through the X-band frequency band, it is inevitable that the occupied bandwidth of a target satellite will overlap with that of other X-band downlink satellites. For sun-synchroni
Externí odkaz:
https://doaj.org/article/70d45aebe1db4085827080d4c0359a35
Autor:
Woo-Kyoung Lee, Jong-Kyun Chung, Sungki Cho, Jong-Uk Park, Jung-Ho Cho, Jae-Cheol Yoon, Jin Ho Lee, Yong-Sik Chun, Sang-Ryul Lee
Publikováno v:
Journal of Astronomy and Space Sciences, Vol 24, Iss 4, Pp 297-308 (2007)
The AOPOD (Atmosphere Occultation and Precision Orbit Determination) system, the secondary payload of KOMPSAT (KOrea Multi-Purpose SATellite)-5 scheduled to be launched in 2010, shall provide GPS radio occultation data. In this paper, we simulated th
Externí odkaz:
https://doaj.org/article/3b8bfb02eafe4ab58bc4ab7b51531125
Autor:
Jong-Oh Park, Jong-Yoen Choi, Seong-Bin Lim, Jae-Wook Kwon, Young-Su Youn, Yong-Sik Chun, Sang-Seol Lee
Publikováno v:
Journal of Astronomy and Space Sciences, Vol 19, Iss 3, Pp 215-224 (2002)
This paper describes EGSE design for the small satellite such like KOMPSAT-2 satellite. Recent design trend of small satellite and EGSE is to take short development time and less cost. For this purpose, the design for KOMPSAT-2 satellite and EGSE are
Externí odkaz:
https://doaj.org/article/4a9d1718556c48e49fe149a4ccaec6ff
Publikováno v:
Journal of Astronomy and Space Sciences, Vol 28, Iss 4, Pp 299-304 (2011)
Satellite Operation Division, Korea Aerospace Research Institute, Daejeon 305-333, KoreaAs more satellites are designed to downlink their observed image data through the X-band frequency band, it is inevitable that the occupied bandwidth of a target
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::eb14b73f798902d247cf27903687ca18
https://doi.org/10.5140/jass.2011.28.4.299
https://doi.org/10.5140/jass.2011.28.4.299
Autor:
Sung Woong Ra, Yong Sik Chun
Publikováno v:
Journal of Astronomy and Space Sciences. 25:445-458
Image chain analysis of synthetic aperture radar (SAR) satellite is one of the primary activities for satellite design because SAR image quality depends on spacecraft bus performance as well as SAR payload. Especially, satellite pointing and stabilit
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5607bfc30304fb28297da50c6d26d685
https://doi.org/10.5140/jass.2008.25.4.445
https://doi.org/10.5140/jass.2008.25.4.445
Autor:
Sang-Ryul Lee, Jong-Uk Park, Jin Ho Lee, Yong-Sik Chun, Jungho Cho, Sungki Cho, Woo-Kyoung Lee, Jong-Kyun Chung, Jae-Cheol Yoon
Publikováno v:
Journal of Astronomy and Space Sciences. 24:297-308
The AOPOD (Atmosphere Occultation and Precision Orbit Determination) system, the secondary payload of KOMPSAT (KOrea Multi-Purpose SATellite)-5 scheduled to be launched in 2010, shall provide GPS radio occultation data. In this paper, we simulated th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6fe16d75c1c7cb79753b5ab9735fd5f7
https://doi.org/10.5140/jass.2007.24.4.297
https://doi.org/10.5140/jass.2007.24.4.297
Autor:
Young-Keun Chang, Sung-Woong Ra, Yong-Sik Chun, Jae-Cheol Yoon, Kee-Hoon Lee, Kyu-Hong Choi, Bang-Yeop Kim, Byoung-Sun Lee
Publikováno v:
IEEE Transactions on Aerospace and Electronic Systems. 40:1132-1146
A real time analytical orbit determination method has been developed for precision national time synchronization. The one-way time transfer technique via a geostationary TV satellite standard time and frequency signal (STFS) dissemination system was
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8182480a1ee3c7984d8500dd127ff77f
https://doi.org/10.1109/taes.2004.1386869
https://doi.org/10.1109/taes.2004.1386869
Autor:
Sang-Seol Lee, Seong-Bin Lim, Jong-Oh Park, Young-Su Youn, Yong-Sik Chun, Jae-Wook Kwon, Jong-Yoen Choi
Publikováno v:
Journal of Astronomy and Space Sciences, Vol 19, Iss 3, Pp 215-224 (2002)
This paper describes EGSE design for the small satellite such like KOMPSAT-2 satellite. Recent design trend of small satellite and EGSE is to take short development time and less cost. For this purpose, the design for KOMPSAT-2 satellite and EGSE are
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ca76a4ffb065db726db649ae654e6303
http://ocean.kisti.re.kr/downfile/volume/kosss/OJOOBS/2002/v19n3/OJOOBS_2002_v19n3_215.pdf
http://ocean.kisti.re.kr/downfile/volume/kosss/OJOOBS/2002/v19n3/OJOOBS_2002_v19n3_215.pdf
Publikováno v:
IEEE PHOTONICS JOURNAL(6): 4
IEEE Photonics Journal, Vol 6, Iss 4, Pp 1-7 (2014)
IEEE Photonics Journal, Vol 6, Iss 4, Pp 1-7 (2014)
In this paper, the practical viability of an organic bulk heterojunction (BHJ)based photodiode is studied, including the analysis of dark current density (Jd in A/cm2), external quantum efficiency (EQE in percent), responsivity (R in A/W), noise-equi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::788a14178ff5b3fe8dbe20d3aae40c43
http://open-repository.kisti.re.kr/cube/handle/open_repository/482711.do
http://open-repository.kisti.re.kr/cube/handle/open_repository/482711.do
