Zobrazeno 1 - 10
of 399
pro vyhledávání: '"Sang Young Park"'
Publikováno v:
Archives of Endocrinology and Metabolism, Vol 65, Iss 6, Pp 758-767 (2021)
ABSTRACT Objective: Contrast-enhanced brain magnetic resonance imaging (MRI) is routinely performed in children with central precocious puberty (CPP). We evaluated the value of a dedicated sellar MRI protocol without contrast enhancement in girls wit
Externí odkaz:
https://doaj.org/article/6b06bb041b4e416aa4db6ca7fd477746
Autor:
Jong Won Jo, Joungkyo Sim, Joo Suk Sim, Young-Nam Kwag, Hyung So Kim, Sang Young Park, Sang-Kuk 한, Jae-Gu Han, Seung Hwan Oh, Chang Sun Kim
Publikováno v:
한국균학회지, Vol 48, Iss 3, Pp 345-353 (2020)
As part of the mushroom surveys in the unexplored areas of Korea in 2019 and 2020, a phalloid fungus was found in a saline sand beach. The specimen was mainly characterized by its reticulate pileus and violet volva with well-developed rhizomorphs. Ba
Externí odkaz:
https://doaj.org/article/42d004bcda074a9baef75a31a3fb38cf
Autor:
Woo Jung Kim, Sang Young Park, Iksoo Park, Wook Jin Lee, Jaechan Park, Nuri Chon, Tak Geun Oh, Kwang Hyun Kim
Publikováno v:
Clinical Endoscopy, Vol 49, Iss 1, Pp 69-75 (2016)
Background/Aims: The aim of this study was to evaluate the efficacy of high definition (HD) i-SCAN for colorectal polyp detection in screening colonoscopy. Methods: We retrospectively analyzed the records of 501 patients who had undergone screening c
Externí odkaz:
https://doaj.org/article/f161899cc9184d33abab69d973ef84f1
Publikováno v:
Journal of Astronomy and Space Sciences, Vol 41, Iss 2, Pp 61-78 (2024)
This study developed a real-time spacecraft pose estimation algorithm that combined a deep learning model and the leastsquares method. Pose estimation in space is crucial for automatic rendezvous docking and inter-spacecraft communication. Owing to
Externí odkaz:
https://doaj.org/article/a38fd81a2d6c4a12948b27f0c376a4f6
Publikováno v:
Aerospace, Vol 11, Iss 2, p 135 (2024)
CANYVAL-C is a formation-flying mission that demonstrates a coronagraph utilizing two CubeSats. The coronagraph is a space telescope that blocks sunlight to examine the overcast regions around the sun. It is composed of optical and occult segments. T
Externí odkaz:
https://doaj.org/article/c5ed1e0ad2c340939da42a4e7216a80d
Publikováno v:
Journal of Astronomy and Space Sciences, Vol 37, Iss 1, Pp 51-60 (2020)
This study designs and analyzes satellite formation flying concepts for the Small scale magNetospheric and Ionospheric Plasma Experiments (SNIPE) mission, that will observe the near-Earth space environment using four nanosats. To meet the requirement
Externí odkaz:
https://doaj.org/article/81f5050bb2b3442db52b6fe64d58c8c3
Publikováno v:
Journal of Guidance, Control, and Dynamics. 46:871-884
In this study, a novel impulsive trajectory optimization algorithm for near-fuel-optimal rendezvous under perturbations is presented. The algorithm, called algorithm for impulsive rendezvous trajectory optimization under perturbations (AIRTOP), is de
Autor:
Geuk-Nam Kim, Sang-Young Park, Sehyun Seong, Jae-Young Choi, Sang-Kook Han, Young-Eon Kim, Suyong Choi, Joohee Lee, Sungmoon Lee, Han-Gyeol Ryu, Seonghui Kim
Publikováno v:
Aerospace, Vol 9, Iss 8, p 423 (2022)
With growth in data volume from space missions, interest in laser communications has increased, owing to their importance for high-speed data transfer in the commercial and defense fields, spaceborne remote sensing, and surveillance. Here, we propose
Externí odkaz:
https://doaj.org/article/bddbc04687f44138afa316cb163bb5f5
Publikováno v:
Journal of Astronomy and Space Sciences, Vol 35, Iss 4, Pp 287-293 (2018)
This paper presents a satellite relative navigation strategy for formation flying, which chooses an appropriate navigation algorithm according to the operating environment. Not only global positioning system (GPS) measurements, but laser measuremen
Externí odkaz:
https://doaj.org/article/7e5080f5b19c43d7911a73c1b715baf2
Publikováno v:
Journal of Astronomy and Space Sciences, Vol 35, Iss 4, Pp 243-252 (2018)
In a satellite gravimetry mission similar to GRACE, the precision of inter-satellite ranging is one of the key factors affecting the quality of gravity field recovery. In this paper, the impact of ranging precision on the accuracy of recovered geopo
Externí odkaz:
https://doaj.org/article/86df97fb268e4912a9db03eb9b0ddf7e