Zobrazeno 1 - 10
of 107
pro vyhledávání: '"Woo-kyoung Lee"'
Autor:
Young-Sil Kwak, Jeong-Heon Kim, Sujin Kim, Yukinaga Miyashita, Taeyong Yang, Sung-Hong Park, Eun-Kyung Lim, Jongil Jung, Hosik Kam, Jaewook Lee, Hwanhee Lee, Ji-Hyun Yoo, Haein Lee, Ryun-Young Kwon, Jungjoon Seough, Uk-Won Nam, Woo Kyoung Lee, Junseok Hong, Jongdae Sohn, Jaeyoung Kwak, Hannah Kwak, Rok-Soon Kim, Yeon-Han Kim, Kyung-Suk Cho, Jaeheung Park, Jaejin Lee, Hoang Ngoc Huy Nguyen, Madeeha Talha
Publikováno v:
Journal of Astronomy and Space Sciences, Vol 41, Iss 3, Pp 171-194 (2024)
This study reports comprehensive observations for the G5-level geomagnetic storm that occurred from May 10 to 12, 2024, the most intense event since the 2003 Halloween storm. The storm was triggered by a series of coronal mass ejections (CMEs) orig
Externí odkaz:
https://doaj.org/article/3348d31c3d7d4488b9edf511150a5f37
Publikováno v:
Journal of Astronomy and Space Sciences, Vol 27, Iss 4, Pp 345-352 (2010)
Korea multi-purpose satellite-5 (KOMPSAT-5) is a low earth orbit (LEO) satellite scheduled to be launched in 2010. To satisfy the precision orbit determination (POD) requirement for a high resolution synthetic aperture radar image of KOMPSAT-5, KOM
Externí odkaz:
https://doaj.org/article/649c41bd4f844deaa7f009774ebdfdd7
Autor:
Jung Hyun Jo, Do-Hyeung Je, Sungki Cho, Byung Kyu Choi, Jeongho Baek, Daekyu Lee, Hyunsoo Chung, Hyung-Chul Lim, Jung-Ho Cho, Woo-Kyoung Lee, Sung-Wook Jung, Jong-Uk Park, Nammi Choe
Publikováno v:
Journal of Astronomy and Space Sciences, Vol 25, Iss 1, Pp 43-52 (2008)
As the next generation of global satellite navigation system, the Galileo project is about to witness an initial orbit validation stage as the successful test of navigation message transmission from Giove-A in 2007. The Space Geodesy division and the
Externí odkaz:
https://doaj.org/article/4c3d9f4933c34be7910790b7b97cd111
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
Publikováno v:
Journal of Astronomy and Space Sciences, Vol 24, Iss 4, Pp 315-326 (2007)
Recently introduced, several explicit solutions of relative motion between neighboring elliptic satellite orbits are reviewed. The performance of these solutions is compared with an analytic solution of the general linearized equation of motion. The
Externí odkaz:
https://doaj.org/article/b214e326b0a445fc98a25add6bf0d9c4
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
Autor:
Hyungmin Park, Yong-Jae Moon, Kyung-Seok Cho, So-Young Park, Sangwoo Lee, Woo-Kyoung Lee, Young-Deuk Park, Yeon-Han Kim
Publikováno v:
Journal of Astronomy and Space Sciences, Vol 21, Iss 4, Pp 429-440 (2004)
Recently, real time data acquisition become important for space weather forecast and research. In this work, we have developed the data acquisition tools and their applications for space weather monitoring. We have developed programs to download the
Externí odkaz:
https://doaj.org/article/8b3d5d04d64a48c7b322d93a42c941ca
Publikováno v:
Journal of Astronomy and Space Sciences, Vol 21, Iss 3, Pp 209-220 (2004)
Some methods have been presented to get optimal formation trajectories in the step of configuration or reconfiguration, which subject to constraints of collision avoidance and final configuration. In this study, a method for optimal formation traject
Externí odkaz:
https://doaj.org/article/2f7bc92504cb45928fd894de25b92570
Publikováno v:
Journal of Astronomy and Space Sciences, Vol 21, Iss 3, Pp 221-232 (2004)
Gauss method for the initial orbit determination was tested using angle-only data obtained by orbit propagation using TLE and SGP4/SDP4 orbit propagation model. As the analysis of this simulation, a feasible time span between observation time of sate
Externí odkaz:
https://doaj.org/article/3f96afb0a4bd4cc1a7f7e98d728bff23
Publikováno v:
Geophysical Research Letters, Vol 51, Iss 7, Pp n/a-n/a (2024)
Abstract The development of an intense total electron content (TEC) depletion band over the United States during the 8 September 2017 geomagnetic storm was understood as the extension of an equatorial plasma bubble (EPB) to midlatitudes in previous s
Externí odkaz:
https://doaj.org/article/6d5679c199c54e87831d938e55ccb998