Results 71 to 80 of about 6,615 (256)
A Loss Differentiation Method Based on Heterogeneous Ensemble Learning Model for Low Earth Orbit Satellite Networks. [PDF]
Entropy (Basel), 2023 Wei D, Guo C, Yang L, Xu Y.
europepmc +1 more source
Opportunities of Semiconducting Oxide Nanostructures as Advanced Luminescent Materials in Photonics
Advanced Materials, EarlyView.The review discusses the challenges of wide and ultrawide bandgap semiconducting oxides as a suitable material platform for photonics. They offer great versatility in terms of tuning microstructure, native defects, doping, anisotropy, and micro‐ and nano‐structuring. The review focuses on their light emission, light‐confinement in optical cavities, and
Ana Cremades +7 more
wiley +1 more source
A low earth orbit satellite descent strategy
Technology transfer: fundamental principles and innovative technical solutionsThe object of the article is the method of descending a satellite from low Earth orbit (LEO) at the end of its service lifetime for its disposal. The main problem is to ensure a safe and cost-effective disposal of the satellite while minimizing risks to the environment and other objects in orbit.
Berik Zhumazhanov +2 more
openaire +1 more source
Advanced Materials, EarlyView.2D α‐Co(OH)2 interleaved with Mo species displays an appealing dual functionality for the production and use of green hydrogen.Mo incorporation greatly benefits the electrochemical behaviour in Oxygen Evolution Reaction for H2 production, while the magnetocaloric response at liquid H2 temperature paves the way for alternative cryogenic refrigerants ...
Daniel Muñoz‐Gil +14 more
wiley +1 more source
Design of double layer satellite constellation based on distributed satellite clusters
Dianxin kexue, 2018 Nowadays,the land communication system is unable to support the complex information needs,and realizing global seamless coverage and high capacity through space information network is anticipated.The existing satellite network is mainly composed of ...
Ji JIANG, Mugen PENG, Wenbo WANG
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Location-equivalent based Link16 terminal low-orbit satellite access design
Dianzi Jishu YingyongWith the development of the information battlefield, the application of Link16 data link in satellites is becoming an irreversible trend. Space-ground fusion is an important direction to achieve more efficient and real-time information exchange, but in ...
Chen Ming, Jiang Lifeng, Bian Dongming
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Generating Low-Earth Orbit Satellite Attitude Maneuver Profiles Using Deep Neural Networks. [PDF]
Sensors (Basel), 2023 Yun ST.
europepmc +1 more source
Azaporphyrinoid‐Based Photo‐ and Electroactive Architectures for Advanced Functional Materials
Advanced Materials, EarlyView.A long‐standing collaboration between the Torres and Guldi groups has yielded diverse azaporphyrinoid‐based donor‐acceptor nanohybrids with promising applications in solar energy conversion. This conspectus highlights key molecular platforms and structure‐function relationships that govern light and charge management, supporting the rational design of ...
Jorge Labella +3 more
wiley +1 more source
天地一体化信息网络In order to solve the problem of unbalanced link resource utilization and difficult quality of service guarantee in current low earth orbit satellite networks, a software-defined low earth orbit satellite network traffic load balancing algorithm based on
ZHOU Xin +4 more
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Analysis of the Effect of UTI-UTC to High Precision Orbit Propagation [PDF]
Journal of Astronomy and Space Sciences, 1999 As the spatial resolution of remote sensing satellites becomes higher, very accurate determination of the position of a LEO (Low Earth Orbit) satellite is demanding more than ever.
Dongseok Shin, Sunghee Kwak, Tag-Gon Kim
doaj