Results 21 to 30 of about 552 (106)

Physics-guided multi-branch deep network for footprint localization in full-waveform spaceborne laser altimetry

Geo-spatial Information Science
Real-time processing capability is a key enabler for the next generation of intelligent satellites. Full-waveform spaceborne laser altimetry has become an indispensable tool in a wide range of scientific and engineering applications, including terrain ...
Sihan Zhou, Song Li, Hui Zhou, Qijin Han, Jian Yang, Yue Ma, Pufan Zhao   +6 more
doaj   +1 more source

Inter-Satellite Link Prediction with Supervised Learning: An Application in Polar Orbits

Aerospace
Distributed space systems are increasingly valued in the space industry, as they enhance mission performance through collaborative efforts and resource sharing among multiple heterogeneous satellites.
Estel Ferrer, Joan A. Ruiz-De-Azua, Francesc Betorz, Josep Escrig   +3 more
doaj   +1 more source

A Method for Detection and Three-Dimensional Localization of Spacecraft Electrostatic Discharge Events

Aerospace
Spacecraft electrostatic discharge (ESD) can generate transient electric-field disturbances, pulse currents, and electromagnetic coupling that threaten onboard electronics and mission reliability.
Kai Tang, Haojie Zhang, Xiao Sun, Xuqiang Lang   +3 more
doaj   +1 more source

Optimal control for high-precision repeat ground-track orbits via convex optimization

工程科学学报
To satisfy the stringent accuracy requirement of maintenance for repeat ground-track (RGT) orbits, a differential algebra-based semi-analytical method is proposed for the orbit design and control while considering high-fidelity geopotential dynamics with
Yanchao HE, Lei ZHANG, Yijun YANG, Qian CHEN   +3 more
doaj   +1 more source

Efficient Inference of Neural Networks with Cooperative Integer-Only Arithmetic on a SoC FPGA for Onboard LEO Satellite Network Routing

Aerospace
Low Earth orbit (LEO) satellite networks require real-time routing to cope with dynamic topology variations caused by continuous orbital motion. As an alternative to conventional routing approaches, deep reinforcement learning (DRL) has recently gained ...
Bogeun Jo, Heoncheol Lee, Bongsoo Roh, Myonghun Han   +3 more
doaj   +1 more source

Combination of High-Rate Ionosonde Measurements with COSMIC-2 Radio Occultation Observations for Reference Ionosphere Applications

Atmosphere
Knowledge of ionospheric plasma altitudinal distribution is crucial for the effective operation of radio wave propagation, communication, and navigation systems.
Iurii Cherniak, David Altadill, Irina Zakharenkova, Víctor de Paula, Víctor Navas-Portella, Douglas Hunt, Antoni Segarra, Ivan Galkin   +7 more
doaj   +1 more source

Onboard orbit propagation method for micro satellites with microcomputer

Onboard orbit propagation method for micro satellites with microcomputer
第29回アストロダイナミクスシンポジウム (2019年7月22-23日. 宇宙航空研究開発機構宇宙科学研究所), 相模原市, 神奈川県 The 29th Workshop on JAXA Astrodynamics and Flight Mechanics 2019 (July 22-23, 2019. Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA)(ISAS)), Sagamihara, Kanagawa Japan 資料番号: SA6000153045 レポート番号: B ...
openaire  

Acceleration and propagation of energetic particles in the solar corona: from RHESSI data analysis to the preparation of the exploitation of the experience STIX onboard Solar Orbiter

, 2016
Le soleil est une étoile active, et les éruptions solaires sont une des manifestations de cette activité. Il est admis que l'énergie disponible pour les éruptions solaires a une origine magnétique, et est transmise au milieu lors de phénomènes de reconnexion magnétique dans la couronne.
openaire   +1 more source

Hybrid Robust Beamforming Optimization for LEO Satellite Communications Under DOA Estimation Errors in Spectrum Sharing Scenarios. [PDF]

Sensors (Basel)
Wang Y, Xie X, Jia J.
europepmc   +1 more source

Revolutionizing nanosatellites' data integrity with SEEnet: A real-time ensemble learning approach for Single-Event Effect (SEE) prediction. [PDF]

PLoS One
Karim S, Tusher EH, Rahman A, Rabbi RI, Anwar KO, Othman KR.   +5 more
europepmc   +1 more source