Results 1 to 10 of about 241,015 (255)

Ionospheric plasma irregularities studied with Swarm satellites [PDF]

open access: yesE3S Web of Conferences, 2018
To study and characterise the ionospheric plasma irregularities at all latitudes, one can employ in-situ measurements by satellites in polar orbits, such as the European Space Agency’s Swarm mission.
Miloch Wojciech J.   +6 more
doaj   +7 more sources

Reconstructing GRACE-type time-variable gravity from the Swarm satellites. [PDF]

open access: yesSci Rep, 2021
The Gravity Recovery and Climate Experiment (GRACE) mission has enabled mass changes and transports in the hydrosphere, cryosphere and oceans to be quantified with unprecedented resolution. However, while this legacy is currently being continued with the
Richter HMP   +5 more
europepmc   +2 more sources

Satellite Swarm-Based Antenna Arrays for 6G Direct-to-Cell Connectivity

open access: yesIEEE Access, 2023
Direct connectivity in L/S frequency bands between satellites and common mobile terrestrial user equipment (UE), such as smartphones, is an essential feature for future 6G non-terrestrial networks.
Andreas Knopp   +2 more
exaly   +3 more sources

Undifferenced Kinematic Precise Orbit Determination of Swarm and GRACE-FO Satellites from GNSS Observations

open access: yesSensors, 2022
Low Earth Orbit (LEO) satellites can be used for remote sensing and gravity field recovery, while precise orbit determination (POD) is vital for LEO satellite applications.
Shuanggen Jin, Qiqi Shi
exaly   +3 more sources

Fault Reconstruction for a Giant Satellite Swarm Based on Hybrid Multi-Objective Optimization

open access: yesApplied Sciences (Switzerland), 2023
To perform indicator selection and verification for the on-orbit fault reconstruction of a giant satellite swarm, a hybrid multi-objective fault reconstruction algorithm is proposed and then verified by Monte Carlo analysis.
Guohua Kang, Junfeng Wu
exaly   +3 more sources

COOPERATIVE ATTITUDE SYNCHRONIZATION IN SATELLITE SWARMS: A CONSENSUS APPROACH [PDF]

open access: yesIFAC Postprint Volumes IPPV / International Federation of Automatic Control, 2007
The present paper considers the problem of autonomous synchronization of attitudes in a swarm of spacecraft. Building upon our recent results on consensus on manifolds, we model the spacecraft as particles on SO(3) and drive these particles to a common point in SO(3).
Alain Sarlette   +2 more
exaly   +3 more sources

On the Electron Temperature in the Topside Ionosphere as Seen by Swarm Satellites, Incoherent Scatter Radars, and the International Reference Ionosphere Model

open access: yesRemote Sensing, 2021
The global statistical median behavior of the electron temperature (Te) in the topside ionosphere was investigated through in-situ data collected by Langmuir Probes on-board the European Space Agency Swarm satellites constellation from the beginning of ...
Michael Pezzopane   +2 more
exaly   +3 more sources

Autonomous and Distributed Motion Planning for Satellite Swarm

open access: yesJournal of Guidance, Control, and Dynamics, 2007
We present a satellite path-planning technique able to make a set of identical spacecraft acquire a given configuration. The technique exploits a behavior-based approach to achieve an autonomous and distributed control over the relative geometry, making use of limited sensorial information.
Dario Izzo
exaly   +2 more sources

Automatic Anomaly Detection for Swarm Observations [PDF]

open access: yesJournal of Geodesy and Geoinformation Science, 2021
The Swarm satellite mission was launched on 22 November 2013, it is the first European Space Agency’s constellation of three satellites, dedicated to monitoring geomagnetic field changes.
Yaxin BI,Vyron CHRISTODOULOU,George WILKIE,Guoze ZHAO,Peter NICHOLL,Mingjun HUANG,Bin HAN,Ji TANG
doaj   +1 more source

Swarm-TEC Satellite Measurements as a Potential Earthquake Precursor Together With Other Swarm and CSES Data: The Case of Mw7.6 2019 Papua New Guinea Seismic Event

open access: yesFrontiers in Earth Science, 2022
On May 14, 2019, a strong Mw = 7.6 shallow earthquake occurred in Papua New Guinea. This paper explores for the first time the analysis of total electron content (TEC) products measured for 6 months by GPS antenna onboard Swarm satellites, to detect ...
Mehdi Akhoondzadeh   +4 more
doaj   +1 more source

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