Results 31 to 40 of about 483 (190)

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   +1 more source

Разработка систем регионального мониторинга земель на основе атласного картографирования [PDF]

open access: yes, 2016
Актуальность работы обусловлена тем, что оценка современного состояния земель, определение характера изменений компонентов природных комплексов, прогноз активизации негативных процессов, изменяющих ландшафты и все компоненты экосистем, не возможны без ...
Верхотуров, Алексей Александрович   +1 more
core   +2 more sources

Radiometric Cross-calibration of KOMPSAT-3A with Landsat-8 [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2016
In this study, Cross calibration was conducted at the Libya 4 PICS site on 2015 using Landsat-8 and KOMPSAT-3A. Ideally a cross calibration should be calculated for each individual scene pair because on any given date the TOA spectral profile is ...
D. Y. Shin   +4 more
doaj   +1 more source

Оптико-электронные системы дистанционного зондирования земли сверхвысокой разрешающей способности [PDF]

open access: yes, 2017
В роботі розглянуті існуючі оптико-електронні системи дистанційного зондування Землі з космосу надвисокої роздільної здатності. Проаналізовані схеми побудови об’єктивів, їх переваги і недоліки.Modern optical-electronic systems of Earth’s remote sensing ...
Tiagur, V. M.   +2 more
core   +1 more source

NORAD TLE Type Orbit Determination of LEO Satellites Using GPS Navigation Solutions [PDF]

open access: yesJournal of Astronomy and Space Sciences, 2002
NORAD Two Line Elements (TLE) are widely used for the increasing number of small satellite mission operations and analysis. However, due to the irregular periodicity of generation of the NORAD TLE, a new TLE that is independent of NORAD is required.
Chang-Hwa Cho   +4 more
doaj   +1 more source

New sensors benchmark report on WorldView-3 [PDF]

open access: yes, 2015
Imagery collected by recently launched WorldView-3 satellite can be potentially used in The Common Agricultural Policy (CAP) image acquisition Campaign. The qualification and certificate is conducted by performing benchmarking tests namely, it has to be ...
AASTRAND Paer   +4 more
core   +1 more source

Mapping Forest Vertical Structure in Jeju Island from Optical and Radar Satellite Images Using Artificial Neural Network

open access: yesRemote Sensing, 2020
Recently, due to the acceleration of global warming, an accurate understanding and management of forest carbon stocks, such as forest aboveground biomass, has become very important. The vertical structure of the forest, which is the internal structure of
Yong-Suk Lee   +5 more
doaj   +1 more source

New sensors benchmark report on WorldView-4 - Geometric benchmarking over Maussane test site for CAP purposes [PDF]

open access: yes, 2017
Imagery collected by recently launched WorldView-4 satellite can be potentially used in The Common Agricultural Policy (CAP) image acquisition Campaign. The qualification and certificate is conducted by performing benchmarking tests, i.e.
AASTRAND PAER   +4 more
core   +1 more source

Energy from biomass : Assessing sustainability by geoinformation technology [PDF]

open access: yes, 2021
Publisher Copyright: © 2021 Austrian Acedemy of Sciences Press. All rights reserved.Forest Flux https://www.forestflux.eu/ will renew forestry value-added services in Earth Observation (EO) by creating and piloting cloud-based services for committed ...
Dees, Matthias   +6 more
core   +1 more source

Applicable Tracking Data Arcs for NORAD TLE Orbit Determination of the KOMPSAT-1 Satellite Using GPS Navigation Solutions [PDF]

open access: yesJournal 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
doaj   +1 more source

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