Robustness and Actuator Bandwidth of MRP-Based Sliding Mode Control for Spacecraft Attitude Control Problems [PDF]
Journal of Astronomy and Space Sciences, 2009 Nonlinear sliding surface design in variable structure systems for spacecraft attitude control problems is studied. A robustness analysis is performed for regular form of system, and calculation of actuator bandwidth is presented by reviewing sliding ...
Jung-Hoon Keum, Sung-Woong Ra
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A Analysis for Calibration Site Selection of SAR Satellite [PDF]
Journal of Astronomy and Space Sciences, 2009 CALVAL (Calibration & Validation) shall consider payloads characteristics because satellites have one and/or several payloads in order to perform their various missions.
Jung-Hoon Keum, Sung-Woong Ra
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A Development of Reflector for CAL/VAL of SAR Satellite [PDF]
Journal of Astronomy and Space Sciences, 2009 The payload can be classified as a passive and active type. Generally radar satellite to acquire specific information through various radar images will use the SAR (Synthetic Aperture Radar) as active type payload.
Jung-Hoon Keum, Sung-Woong Ra
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Dataset for Water Body Detection Using Satellite SAR Images [PDF]
Geo Data, 2021 Satellite synthetic aperture radar (SAR) generates valid image information in all-weather. Thus, it can be effectively used for near real-time monitoring and damage analysis of flood areas which always involve overcast skies.
SeungJae Lee, Han Oh
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Precise Orbit Determination of LEO Satellite Using Dual-Frequency GPS Data [PDF]
Journal of Astronomy and Space Sciences, 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.
Yoola Hwang +3 more
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Comprehensive Analysis of Bias in TEMPO NO<sub>2</sub> Column Densities Through Pandora Observations. [PDF]
J Geophys Res AtmosAbstract Tropospheric Emissions: Monitoring of Pollution (TEMPO) is the first geostationary satellite instrument to monitor air pollutants across North America. This study uses Pandora observations to analyze the bias in TEMPO Level‐3 total column density of NO2 (TOTNO2) from August 2023 to December 2024.
Ghahremanloo M +10 more
europepmc +2 more sources
Electromagnetic Compatibility Design for KOMPSAT-2 [PDF]
, 2003 It is quite essential that requirements allocation and analysis would be done for the electromagnetic compatibility (EMC) of all units when designing a satellite.
Na-Young Lee, Jin-Ho Lee
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Design and Flight Software Embedding of KOMPSAT-2 Simulator [PDF]
, 2002 The design feature of KOMPSAT-2 simulator based on object oriented design methodology in terms of unified modeling language (UML) has been discussed in this paper. Also, we present how to embed flight software into the simulator.
Sanguk Lee, Sungki Cho, Jae Hoon Kim
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Applicable Tracking Data Arcs for NORAD TLE Orbit Determination of the KOMPSAT-1 Satellite Using GPS Navigation Solutions [PDF]
Journal of Astronomy and Space Sciences, 2005 NORAD Two Line Element (TLE) is very useful to simplify the ground station antenna pointing and mission operations. When a satellite operations facility has the capability to determine NORAD type TLE which is independent of NORAD, it is important to ...
Byoung-Sun Lee
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Mid Frequency Shock Response Determination by Using Energy Flow Method and Time Domain Correction
Shock and Vibration, 2013 Shock induced vibration can be more crucial in the mid frequency range where the dynamic couplings with structural parts and components play important roles.
Sung-Hyun Woo, Jae-Hung Han
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