Results 21 to 30 of about 55,629 (268)
Observed impact of the GNSS clock data rate on radio occultation bending angles for Sentinel-6A and COSMIC-2 [PDF]
Atmospheric Measurement TechniquesRadio occultation (RO) measurements require the tracking of signals from a global navigation satellite system (GNSS) by a low-Earth-orbit (LEO) satellite as the signals travel through different layers of the atmosphere.
S. Padovan +10 more
doaj +1 more source
Cosmetics, 2023 Our understanding of the interplay between skin microbiota and the skin’s health status is growing. Consequently, the cosmetics industry is increasingly concerned with ensuring that beauty products do not adversely affect this microbiota and skin health.
Patrick Robe +7 more
doaj +1 more source
Blending 2D topography images from the Surface Water and Ocean Topography (SWOT) mission into the altimeter constellation with the Level-3 multi-mission Data Unification and Altimeter Combination System (DUACS) [PDF]
Ocean ScienceThe Surface Water and Ocean Topography (SWOT) mission delivers unprecedented swath-altimetry products. Despite SWOT's 2D coverage and precision, its Level-2 ocean products suffer from the same limitations as their counterparts from nadir altimetry ...
G. Dibarboure +14 more
doaj +1 more source
Satellite to Satellite Visibility [PDF]
The Open Astronomy Journal, 2012 In this paper, general analytical and computational technique for satellite-to-satellite visibility will be established. The developments are general in the sense that the visibility conditions can be used whatever the types of the satellite orbits may be. Numerical applications are also included.
openaire +1 more source
Satellite Inertia Parameters Estimation Based on Extended Kalman Filter
Journal of Aerospace Technology and Management, 2019 The moment of inertia parameters play a critical role in assuring the spacecraft mission throughout its lifetime. However, determination of the moment of inertia is a key challenge in operating satellites.
Abdellatif Bellar +1 more
doaj +1 more source
Assessment of land restoration from optical satellite image time-series [PDF]
The International Archives of the Photogrammetry, Remote Sensing and Spatial Information SciencesEcosystem conservation and restoration is recognized by the international community as a key strategy for human well-being as well as our planet’s health.
M. Ballère +6 more
doaj +1 more source
Joint Communication, Computing, and Caching Resource Allocation in LEO Satellite MEC Networks
IEEE Access, 2023 Driven by the urgent requirement of ubiquitous and reliable coverage for global users, the low earth orbit (LEO) satellite network has attracted numerous attentions from the academic and industry circles.
Yuanyuan Hao +4 more
doaj +1 more source
Automatika, 2022 This paper focuses on experimented space projects run by universities, offering an effective design process to improve learning methods in space engineering.
Kamel Djamel Eddine Kerrouche +5 more
doaj +1 more source