Results 11 to 20 of about 18,526 (302)
The potential of a constellation of low earth orbit satellite imagers to monitor worldwide fossil fuel CO2 emissions from large cities and point sources. [PDF]
Carbon Balance Manag, 2020 Lespinas F +10 more
europepmc +3 more sources
Balanced Low Earth Satellite Orbits [PDF]
Advances in Astronomy, 2020 The present work aims at constructing an atlas of the balanced Earth satellite orbits with respect to the secular and long periodic effects of Earth oblateness with the harmonics of the geopotential retained up to the 4th zonal harmonic. The variations of the elements are averaged over the fast and medium angles, thus retaining only the secular and ...
A. Mostafa, M. H. El Dewaik
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Fuel Optimization for Low Earth Orbit Maintenance [PDF]
Journal of Astronomy and Space Sciences, 2008 The resolution of Earth images taken from a satellite has close relation with satellite's altitude. If a satellite has lower altitude, it gets a picture having better resolution.
Yong Jae Park +3 more
doaj +1 more source
Pseudo-Stochastic Orbit Modeling Techniques for Low-Earth Orbiters [PDF]
Journal of Geodesy, 2006 The Earth’s non-spherical mass distribution and atmospheric drag cause the strongest perturbations on very low-Earth orbiting satellites (LEOs). Models of gravitational and non-gravitational accelerations are utilized in dynamic precise orbit determination (POD) with GPS data, but it is also possible to derive LEO positions based on GPS precise point ...
Jäggi, A., Hugentobler, U., Beutler, G.
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LEO Satellite Constellation for Global-Scale Remote Sensing With On-Orbit Cloud AI Computing
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2023 This article proposes a new satellite-based framework for global-scale remote sensing that is integrated with on-orbit cloud computing and artificial intelligence (AI) services.
Yuejin Li +4 more
doaj +1 more source
Analysis on the coverage performance and networking scheme of an MEO constellation
Dianxin kexue, 2022 Geostationary earth orbit (GEO) satellite orbit position resources have been scarce for a long time.The development of giant low-orbit satellite constellations has made the low-orbit resources unprecedentedly scarce.As a compromise between GEO and low ...
Yanbin ZHAO, Renning WANG, Peipei HU
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GPS-SBAS-Based Orbit Determination for Low Earth Orbiting Satellites
International Journal of Aerospace Engineering, 2023 A space-based augmentation system (SBAS) provides real-time GNSS correction signals via geostationary satellites for near-ground GNSS users. To use the SBAS correction for low Earth orbit (LEO) satellites, the correction, especially the ionosphere ...
Mingyu Kim, Jeongrae Kim
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Low Earth Orbit Satellite Systems
Journal of Telecommunications and the Digital Economy, 2022 Satellites have been around for many decades, yet the low Earth orbit (LEO) was avoided as the cost exceeded the demand until recently. This paper is based on a live presentation to the Australian Telecommunications Association (TelSoc) by Ruth Pritchard-Kelly, Senior Advisor on Regulatory Affairs for OneWeb, and was chaired by TelSoc Broadband Futures
Ruth Pritchard-Kelly, John Costa
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Forward modeling of spaceborne radar observations [PDF]
Atmospheric Measurement TechniquesAccurate forward models, particularly radiative transfer models, are essential for the assimilation of both passive and active satellite observations in modern data assimilation frameworks.
I. Moradi, I. Moradi, S. Kalluri, Y. Zhu
doaj +1 more source
Orbit Propagation and Determination of Low Earth Orbit Satellites
International Journal of Antennas and Propagation, 2014 This paper represents orbit propagation and determination of low Earth orbit (LEO) satellites. Satellite global positioning system (GPS) configured receiver provides position and velocity measures by navigating filter to get the coordinates of the orbit ...
Ho-Nien Shou
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