Zobrazeno 1 - 10
of 23
pro vyhledávání: '"Jo Ryeong Yim"'
Autor:
Moon-Jin Jeon, Young-Ho Cho, Eunhyeuk Kim, Dong-Gyu Kim, Young-Joo Song, SeungBum Hong, Jonghee Bae, Jun Bang, Jo Ryeong Yim, Dae-Kwan Kim
Publikováno v:
Journal of Astronomy and Space Sciences, Vol 41, Iss 1, Pp 43-60 (2024)
Korea Pathfinder Lunar Orbiter (KPLO) is South Korea’s first space exploration mission, developed by the Korea Aerospace Research Institute. It aims to develop technologies for lunar exploration, explore lunar science, and test new technologies.
Externí odkaz:
https://doaj.org/article/9286439ba2a84958bcffdeb91c3f857c
Publikováno v:
Journal of Astronomy and Space Sciences, Vol 37, Iss 3, Pp 199-208 (2020)
This paper presents a kinematic ephemeris generator for Korea Pathfinder Lunar Orbiter (KPLO) and its performance test results. The kinematic ephemeris generator consists of a ground ephemeris compressor and an onboard ephemeris calculator. The gro
Externí odkaz:
https://doaj.org/article/293dffad21d34028b30657e98f5434dd
Autor:
Young-Joo Song, Sung-Moon Yoo, Eun-Seo Park, Sang-Young Park, Kyu-Hong Choi, Jae-Cheol Yoon, Jo Ryeong Yim, Joon-Min Choi, Byung-Kyo Kim
Publikováno v:
Journal of Astronomy and Space Sciences, Vol 23, Iss 4, Pp 355-372 (2006)
Mission opportunities and trajectory characteristics for the future Korean Mars mission have designed and analyzed using KSLV-III(Korea Space Launch Vehicle-III). Korea's first space center, ``NARO space center'' is selected as a launch site. For lau
Externí odkaz:
https://doaj.org/article/4263a52fb7b249488bc05edc8996f22c
Autor:
Young-Joo Song, Eun-Seo Park, Sung-Moon Yoo, Sang-Young Park, Kyu-Hong Choi, Jae-Cheol Yoon, Jo Ryeong Yim, Joon-Min Choi, Byung-Kyo Kim
Publikováno v:
Journal of Astronomy and Space Sciences, Vol 22, Iss 4, Pp 451-462 (2005)
Optimal Trajectory Correction Maneuver (TCM) design algorithm has been developed using the B-plane targeting method for future Korean Mars missions. For every mission phase, trajectory informations can also be obtained using this developed algorithms
Externí odkaz:
https://doaj.org/article/ba22fed61efa4f1aa279386b80c2e3f0
Autor:
Eun-Seo Park, Young-Joo Song, Sung-Moon Yoo, Sang-Young Park, Kyu-Hong Choi, Jae-Cheol Yoon, Jo Ryeong Yim, Joon-Min Choi, Byung-Kyo Kim
Publikováno v:
Journal of Astronomy and Space Sciences, Vol 22, Iss 4, Pp 463-472 (2005)
In this paper, the dynamic model development for interplanetary navigation has been discussed. The Cowell method for special perturbation theories was employed to develop an interplanetary trajectory propagator including the perturbations due to geop
Externí odkaz:
https://doaj.org/article/ac8d73c01fe347fe9e0814eb9e991dc6
Autor:
Jo Ryeong Yim, Jang Hae Jeong
Publikováno v:
Journal of Astronomy and Space Sciences, Vol 12, Iss 1, Pp 44-53 (1995)
BVRI observations of AW UMa were made from March to April during 13 nights in 1994 using the 35cm schmidt-Cassegrain telescope of Department of Astronomy and Space Science, Chungbuk National University. A total of 1092 observations (273 in B, 273 in
Externí odkaz:
https://doaj.org/article/362fab5d1ea04d698bbd4c3426260b75
Publikováno v:
Journal of the Korean Society for Aeronautical & Space Sciences. 36:48-56
Nowadays, CMG(Control Moment Gyros) becomes one of the essential actuators for satellite attitude control. The method to define the key requirements of CMG is suggested to avoid CMG`s singularity problem for the limited envelope of angular momentum o
Autor:
Joon-Min Choi, Byung-Kyo Kim, Sang Young Park, Jo Ryeong Yim, Sung-Moon Yoo, Jae-Cheol Yoon, Kyu-Hong Choi, Eunseo Park, Young-Joo Song
Publikováno v:
Journal of Astronomy and Space Sciences, Vol 23, Iss 4, Pp 355-372 (2006)
Mission opportunities and trajectory characteristics for the future Korean Mars mission have designed and analyzed using KSLV-III(Korea Space Launch Vehicle-III). Korea's first space center, ``NARO space center'' is selected as a launch site. For lau
Autor:
Joon-Min Choi, Sung-Moon Yoo, Jo Ryeong Yim, Jae-Cheol Yoon, Eunseo Park, Sang Young Park, Kyu-Hong Choi, Young-Joo Song, Byung-Kyo Kim
Publikováno v:
Journal of Astronomy and Space Sciences, Vol 22, Iss 4, Pp 463-472 (2005)
In this paper, the dynamic model development for interplanetary navigation has been discussed. The Cowell method for special perturbation theories was employed to develop an interplanetary trajectory propagator including the perturbations due to geop
Autor:
Joon-Min Choi, Sung-Moon Yoo, Jae-Cheol Yoon, Byung-Kyo Kim, Jo Ryeong Yim, Kyu-Hong Choi, Young-Joo Song, Sang Young Park, Eunseo Park
Publikováno v:
Journal of Astronomy and Space Sciences, Vol 22, Iss 4, Pp 451-462 (2005)
향후 우리나라의 화성 탐사선 개발을 대비하여 B-평면 조준법(B-plane targeting method)을 이용한 최적 궤적 보정 기동(Optimal Trajectory Correction Maneuver, TCM)의 설계에 대한 연구를 수행하였다. 궤적