Zobrazeno 1 - 10
of 54
pro vyhledávání: '"Jae-Cheol Yoon"'
Publikováno v:
Journal of Astronomy and Space Sciences, Vol 26, Iss 2, Pp 229-236 (2009)
KOrea Multi-purpose SATellite (KOMPSAT)-5 will be launched at 550km altitude in 2010. Accurate satellite position (20 cm) and velocity (0.03 cm/s) are required to treat highly precise Synthetic Aperture Radar (SAR) image processing. Ionosphere delay
Externí odkaz:
https://doaj.org/article/8516c6509f3c4e71a3f8729895fc91c7
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:
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
Publikováno v:
Journal of Astronomy and Space Sciences, Vol 23, Iss 2, Pp 127-134 (2006)
Variation of the Local Time of Ascending Node (LTAN) has been analyzed according to initial inclinations when the altitude of Sun-synchronous satellite is continuously decreased due to the atmospheric drag. Orbit predictions of 3 years have been perf
Externí odkaz:
https://doaj.org/article/d582151afddd4cf28db12f38275c4c8d
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:
Hae-Yeon Kim, Eun-Seo Park, Young-Joo Song, Sung-Moon Yoo, Kyung-Min Rho, Sang-Young Park, Kyu-Hong Choi, Jae-Cheol Yoon, Jo-Ryeong Yim, Jun-Min Choi, Byung-Kyo Kim
Publikováno v:
Journal of Astronomy and Space Sciences, Vol 21, Iss 4, Pp 361-370 (2004)
The DSN(Deep Space Network) measurement model for interplanetary navigations which is essential for precise orbit determination has been developed. The DSN measurement model produces fictitious DSN observables such as range, doppler and angular data,
Externí odkaz:
https://doaj.org/article/5f50aac6a188435eb5b1a005eb162317
Autor:
Young-Joo Song, Eun-Seo Park, Sung-Moon Yoo, Sang-Young Park, Kyu-Hong Choi, Jae-Cheol Yoon, Jo-Ryeong Yim, Han-Dol Kim, Jun-Min Choi, Hak-Jung Kim, Byung-Kyo Kim
Publikováno v:
Journal of Astronomy and Space Sciences, Vol 21, Iss 4, Pp 351-360 (2004)
An orbit propagation software for the Mars orbiting spacecraft has been developed and verified in preparations for the future Korean Mars missions. Dynamic model for Mars orbiting spacecraft has been studied, and Mars centered coordinate systems are
Externí odkaz:
https://doaj.org/article/4122733cf6dd4f5d98ee431eafd2b4cb
Autor:
Young-Joo Song, Sung-Moon Yoo, Eun-Seo Park, Sang-Young Park, Kyu-Hong Choi, Jae-Cheol Yoon, Jo-Ryeong Yim, Bang-Yeop Kim, Han-Dol Kim, Jun-Min Choi, Byung-Kyo Kim
Publikováno v:
Journal of Astronomy and Space Sciences, Vol 21, Iss 2, Pp 153-166 (2004)
Interplanetary trajectories using the gravity assists are studied for future Korean interplanetary missions. Verifications of the developed softwares and results were performed by comparing data from ESA's Mars Express mission and previous results. A
Externí odkaz:
https://doaj.org/article/5d1342707b854ba2b44c74929f983d90
Autor:
Sung-Moon Yoo, Young-Joo Song, Eun-Seo Park, Sang-Young Park, Kyu-Hong Choi, Jae-Cheol Yoon, Jo-Ryeong Yim, Bang-Yeop Kim, Han-Dol Kim, Joon-Min Choi, Byung-Kyo Kim
Publikováno v:
Journal of Astronomy and Space Sciences, Vol 20, Iss 4, Pp 299-312 (2003)
Earth to Mars ballistic mission opportunities from Naro Space Center are studied. Determining ballistic mission opportunities can be divided into two major parts, i.e. the launch window and the daily launch window determination. At the launch window
Externí odkaz:
https://doaj.org/article/8316e8aa3dd341e4b11a2647e4eef09e