Results 11 to 20 of about 54,052,566 (187)

Operation of the Radio Occultation Mission in KOMPSAT-5 [PDF]

open access: yesJournal of Astronomy and Space Sciences, 2010
Korea multi-purpose satellite-5 (KOMPSAT-5) is a low earth orbit (LEO) satellite scheduled to be launched in 2010. To satisfy the precision orbit determination (POD) requirement for a high resolution synthetic aperture radar image of KOMPSAT-5, KOMPSAT-
Mansoo Choi   +3 more
doaj   +4 more sources

Performance Comparison of KOMPSAT-5 Precision Orbit Determination with GRACE [PDF]

open access: yesInternational Journal of Aerospace Engineering, 2020
The Korean Multipurpose Satellite-5 (KOMPSAT-5) launched on 22 August 2013 was equipped with a global positioning system (GPS) receiver for precision orbit determination (POD).
Kyoung-Min Roh, Yoola Hwang
doaj   +3 more sources

Retrieval of Electron Density Profile for KOMPSAT-5 GPS Radio Occultation [PDF]

open access: yesJournal of Astronomy and Space Sciences, 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.
Woo-Kyoung Lee   +8 more
doaj   +5 more sources

Change Target Extraction Based on Scale-Adaptive Difference Image and Morphology Filter for KOMPSAT-5 [PDF]

open access: yesRemote Sensing, 2022
Multitemporal synthetic aperture radar (SAR) images have been widely used for change detection and monitoring of the environment owing to their competency under all weather conditions.
Yeonju Choi   +3 more
doaj   +4 more sources

Comparison of KOMPSAT-5 and Sentinel-1 Radar Data for Soil Moisture Estimations Using a New Semi-Empirical Model

open access: yesRemote Sensing, 2022
X-band KOMPSAT-5 provides a good perspective for soil moisture retrieval at high-spatial resolution over arid and semi-arid areas. In this paper, an intercomparison of KOMPSAT-5 and C-band Sentinel-1 radar data in soil moisture retrieval was conducted ...
Liangliang Tao   +3 more
doaj   +5 more sources

Feasibility Study on Estimation of Sea Ice Drift from KOMPSAT-5 and COSMO-SkyMed SAR Images [PDF]

open access: yesRemote Sensing, 2021
Estimating the sea ice drift field is of importance in both scientific study and activities in the polar ocean. Ice motion is being tracked at large scale (10 km and larger) on a daily basis; however, a higher resolution product is desirable for more ...
Jeong-Won Park   +8 more
doaj   +5 more sources

Tracking Capability Analysis of ARGO-M Satellite Laser Ranging System for STSAT-2 and KOMPSAT-5 [PDF]

open access: yesJournal of Astronomy and Space Sciences, 2010
Korea Astronomy and Space Science Institute (KASI) has developed a mobile satellite laser ranging (SLR) system called ARGO-M since 2008 for space geodesy research and precise orbit determination technologies using SLR with mm level accuracy.
Hyung-Chul Lim   +7 more
doaj   +4 more sources

Application of Artificial Neural Networks to Ship Detection from X-Band Kompsat-5 Imagery [PDF]

open access: yesApplied Sciences, 2017
For ship detection, X-band synthetic aperture radar (SAR) imagery provides very useful data, in that ship targets look much brighter than surrounding sea clutter due to the corner-reflection effect. However, there are many phenomena which bring out false
Jeong-In Hwang   +3 more
doaj   +3 more sources

Assessment of Accuracy of COSMIC and KOMPSAT Radio Occultation Temperature and Pressure [PDF]

open access: yesE3S Web of Conferences
Radio Occultation is a technique used by orbiting satellites to measure planetary atmosphere properties like temperature, pressure, and water vapor.
Descalzo Karl Philippe A.   +1 more
doaj   +3 more sources

Multi-Sensor Image Classification Using the Random Forest Algorithm in Google Earth Engine with KOMPSAT-3/5 and CAS500-1 Images

open access: yesRemote Sensing
This study conducted multi-sensor image classification by utilizing Google Earth Engine (GEE) and applying satellite imagery from Korean Multi-purpose Satellite 3 (KOMPSAT-3), KOMPSAT-5 SAR, Compact Advanced Satellite 500-1 (CAS500-1), Sentinel-1, and ...
Jeonghee Lee, Kwangseob Kim, Kiwon Lee
doaj   +2 more sources

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