Zobrazeno 1 - 10
of 71
pro vyhledávání: '"Kwangsun Ryu"'
Autor:
Dae-Young Lee, Rok-Soon Kim, Kyung-Eun Choi, Jungjoon Seough, Junga Hwang, Dooyoung Choi, Ji-Hyeon Yoo, Seunguk Lee, Sung Jun Noh, Jongho Seon, Kyung-Suk Cho, Kwangsun Ryu, Khan-Hyuk Kim, Jong-Dae Sohn, Jae-Young Kwak, Peter H. Yoon
Publikováno v:
Journal of Astronomy and Space Sciences, Vol 41, Iss 1, Pp 1-60 (2024)
The Korean heliospheric community, led by the Korea Astronomy and Space Science Institute (KASI), is currently assessing the viability of deploying a spacecraft at the Sun-Earth Lagrange Point L4 in collaboration with National Aeronautics and Space
Externí odkaz:
https://doaj.org/article/499fbe22b7a644ee8d7b2e615dddfe2e
Autor:
Kwangsun Ryu, Seunguk Lee, Chang Ho Woo, Junchan Lee, Eunjin Jang, Jaemin Hwang, Jin-Kyu Kim, Wonho Cha, Dong-guk Kim, BonJu Koo, SeongOg Park, Dooyoung Choi, Cheong Rim Choi
Publikováno v:
Journal of Astronomy and Space Sciences, Vol 39, Iss 3, Pp 117-126 (2022)
The Ionospheric Anomaly Monitoring by Magnetometer And Plasma-probe (IAMMAP) is one of the scientific instruments for the Compact Advanced Satellite 500-3 (CAS 500-3) which is planned to be launched by Korean Space Launch Vehicle in 2024. The main
Externí odkaz:
https://doaj.org/article/0fbc7dde48d641d4b506a1748df3a3c9
Autor:
Seunguk Lee, Kwangsun Ryu, Dooyoung Choi, Seongog Park, Jinkyu Kim, Wonho Cha, Bonju Gu, Jimin Hong, Suhwan Park, Eunjin Jang, Cheongrim Choi, Daeyoung Lee
Publikováno v:
Remote Sensing, Vol 15, Iss 19, p 4829 (2023)
Ionospheric Anomaly Monitoring by Magnetometer And Plasma-probe (IAMMAP) is a suite of scientific instruments used in the Compact Advanced Satellite 500-3 (CAS 500-3), which is planned to be launched by the KSLV (Korean Space Launch Vehicle) in 2025.
Externí odkaz:
https://doaj.org/article/e9b708b4ad4f434b9496fcd74d443971
Autor:
Ji-Hyeon Yoo, Dae-Young Lee, Eojin Kim, Hoonkyu Seo, Kwangsun Ryu, Kyung-Chan Kim, Kyoungwook Min, Jongdae Sohn, Junchan Lee, Jongho Seon, Kyung-In Kang, Seunguk Lee, Jaeheung Park, Goo-Hwan Shin, SungOg Park
Publikováno v:
Journal of Astronomy and Space Sciences, Vol 38, Iss 1, Pp 31-38 (2021)
In this paper, we present observations of the Space Radiation Detectors (SRDs) onboard the Next Generation Small Satellite-1 (NEXTSat-1) satellite. The SRDs, which are a part of the Instruments for the study of Stable/Storm-time Space (ISSS), consis
Externí odkaz:
https://doaj.org/article/e345fe0ca674435b9a029b9ecb3d2515
Autor:
Eojin Kim, Ji-Hyeon Yoo, Hee-Eun Kim, Hoonkyu Seo, Kwangsun Ryu, Jongdae Sohn, Junchan Lee, Jongho Seon, Ensang Lee, Dae-Young Lee, Kyoungwook Min, Kyung-In Kang, Sang-Yun Lee, Juneseok Kang
Publikováno v:
Journal of Astronomy and Space Sciences, Vol 37, Iss 3, Pp 209-218 (2020)
This paper describes the initial operations and preliminary results of the Instrument for the study of Stable/Storm-time Space (ISSS) onboard the microsatellite Next Generation Small Satellite-1 (NEXTSat-1), which was launched on December 4, 2018 i
Externí odkaz:
https://doaj.org/article/654ec7e6385e4f4fbda65b58f58257f3
Autor:
Kwangsun Ryu, Junchan Lee, Songoo Kim, Taejin Chung, Goo-Hwan Shin, Wonho Cha, Kyoungwook Min, Vitaly P. Kim
Publikováno v:
Journal of Astronomy and Space Sciences, Vol 34, Iss 4, Pp 343-351 (2017)
A space plasma facility has been operated with a back-diffusion-type plasma source installed in a mid-sized vacuum chamber with a diameter of ~1.5 m located in Satellite Technology Research Center (SaTReC), Korea Advanced Institute of Science and Tec
Externí odkaz:
https://doaj.org/article/6f15b5c01f3f415d9def65ddc4d9127a
Publikováno v:
Journal of Astronomy and Space Sciences, Vol 34, Iss 4, Pp 251-256 (2017)
The electric coupling between the lithosphere and the ionosphere is examined. The electric field is considered as a timevarying irregular vertical Coulomb field presumably produced on the Earth’s surface before an earthquake within its epicentral z
Externí odkaz:
https://doaj.org/article/0a94c0974a2f4801b503a09ff2916982
Autor:
Junhyun Lee, Ensang Lee, Jaejin Lee, Khan-Hyuk Kim, Jongho Seon, Dong-Hun Lee, Ho Jin, Eung-Hyun Kim, Hyun-Jin Jeon, Seong-Bin Lim, Taeyoun Kim, Jaewoong Jang, Kyung-Duk Jang, Kwangsun Ryu
Publikováno v:
Journal of Astronomy and Space Sciences, Vol 31, Iss 4, Pp 311-315 (2014)
In this study, we investigated the effect of space plasmas on the floating potential variation of a low-altitude, polar-orbiting satellite using the Langmuir Probe (LP) measurement onboard the STSAT-1 spacecraft. We focused on small potential drops,
Externí odkaz:
https://doaj.org/article/dac39719a14948888204eb68f1b0f5e9
Autor:
Kwangsun Ryu, Mi-Young Park, Jang-Soo Chae, In Lee, Yukio Uchihori, Hisashi Kitamura, Takeshi Takashima
Publikováno v:
Journal of Astronomy and Space Sciences, Vol 29, Iss 3, Pp 315-320 (2012)
We developed a mass-memory chip by staking 1 Gbit double data rate 2 (DDR2) synchronous dynamic random access memory (SDRAM) memory core up to 4 Gbit storage for future satellite missions which require large storage for data collected during the miss
Externí odkaz:
https://doaj.org/article/c5d981b92fe949508b33ec1c5e046ff6
Publikováno v:
Current Applied Physics. 51:71-79
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::02d4e99a009b2f5e8fa1170a83cb744a
https://doi.org/10.1016/j.cap.2023.05.003
https://doi.org/10.1016/j.cap.2023.05.003