Results 11 to 20 of about 11,206 (212)
Journal of Space Weather and Space Climate, 2022 This study presents a new methodology to automatically classify perturbations in the lower ionosphere using GNSS radio occultation (RO) observations collected using Spire’s constellation of CubeSats. This methodology combines signal processing techniques
Savastano Giorgio +2 more
doaj +1 more source
A Customisable Data Acquisition System for Open-Source Hyperspectral Imaging
Sensors, 2023 Hyperspectral imagers, or imaging spectrometers, are used in many remote sensing environmental studies in fields such as agriculture, forestry, geology, and hydrology. In recent years, compact hyperspectral imagers were developed using commercial-off-the-
Yiwei Mao +6 more
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A Cubesat Payload for Exoplanet Detection [PDF]
Sensors, 2017 The search for undiscovered planets outside the solar system is a scientific topic that is rapidly spreading into the astrophysical and engineering communities. In this framework, the design of an innovative payload to detect exoplanets from a nano-sized space platform, like a 3U cubesat, is presented.
Marcella Iuzzolino +5 more
openaire +5 more sources
Aerospace, 2019 Climate change and global warming are attributed to the increased levels of greenhouse Gases in the atmosphere. Miniature low-cost, lightweight instruments on-board low-cost nanosatellite platforms such as CubeSats could be used to provide precise ...
Abdul-Halim Jallad +4 more
doaj +1 more source
Real-Time Fuel Optimization and Guidance for Spacecraft Rendezvous and Docking
Aerospace, 2022 Autonomous rendezvous and docking (RVD) fuel optimization with field-of-view and obstacle avoidance constraints is a nonlinear and nonconvex optimization problem, making it computationally intensive for onboard computation on CubeSats.
Ahmed Mehamed Oumer, Dae-Kwan Kim
doaj +1 more source
A Review of Requirements for Gamma Radiation Detection in Space Using CubeSats
Applied Sciences, 2021 Initially intended as student-led projects at universities and research institutions, the CubeSats now represent a unique opportunity to access space quickly and in a cost-effective fashion. CubeSats are standard and miniaturized satellites consisting of
Francesco Arneodo +2 more
doaj +1 more source
GNSS Radio Occultation in Advanced Numerical Weather Prediction Models
GEOmedia, 2019 GPS-Radio Occultation (GPS-RO), and generally, Global Navigation Satellite System Radio Occultation (GNSS-RO), is a technique that measures the refractivity of the Earth's atmosphere as a Low Earth Orbit (LEO) satellite listens to the radio signal of a ...
Guillermo Bosch
doaj +3 more sources
Magnetic Fault-Tolerant Attitude Control with Dynamic Sensing for Remote Sensing CubeSats
Remote Sensing, 2023 CubeSats have extensive applications in the realm of remote sensing. However, due to size constraints, attitude determination and control systems (ADCS) often adopt an integrated and densely packed structure.
Shaoyan Fan +5 more
doaj +1 more source
Results of the attitude reconstruction for the UniSat-6 microsatellite using in-orbit data [PDF]
, 2016 UniSat-6 is a civilian microsatellite that was launched in orbit on the 19th of June, 2014. Its main mission consisted in the in-orbit release of a number of on-board carried Cubesats and in the transmission to the UniSat-6 ground station of telemetry ...
Chantal Cappelletti +11 more
core +3 more sources
On Small Satellites for Oceanography: A Survey [PDF]
, 2015 The recent explosive growth of small satellite operations driven primarily from an academic or pedagogical need, has demonstrated the viability of commercial-off-the-shelf technologies in space. They have also leveraged and shown the need for development
Agelet, Fernando Aguado +5 more
core +3 more sources