Results 71 to 80 of about 323 (141)

Executive Brief: OD-SSA v2.0 Constraint-Based Orbital Debris Space Situational Awareness

Multi-phase strategic infrastructure addressing three critical Space Situational Awareness failures: (1) 500,000-1,200,000 object blind spot - 1-10cm debris fragments create major mission-ending risks but 0% cataloged (current threshold ~10cm); (2) 100,000-maneuver-per-year unpredictability crisis - Starlink executes 50,000 collision avoidance ...
openaire   +2 more sources

Space Situational Awareness (SSA): Visualization of space objects in orbit and conjunction analysis

Η εκτόξευση του πρώτου τεχνητού δορυφόρου της Γης, του Sputnik 1, έγινε στις 4 Οκτωβρίου 1957. Από τότε, οι δορυφόροι έχουν γίνει αναγκαίο κομμάτι των υποδομών μας για την υποστήριξη της καθημερινής μας ζωής. Οι καιρικές προγνώσεις, η παρακολούθηση καταστροφών, η παρατήρηση της γης, η χαρτογράφηση και άλλες εφαρμογές, οι οποίες είναι ζωτικής σημασίας ...
openaire   +1 more source

OD-SSA v2.0: Constraint-Based Orbital Debris Space Situational Awareness and Traffic Management Architecture- Technical White Paper

Comprehensive technical architecture for multi-phase strategic Space Situational Awareness infrastructure addressing documented systemic failures in legacy Cold War-era tracking systems. Three critical gaps quantified: (1) Cataloging Blind Spot - NASA ORDEM and ESA MASTER-8 statistical models estimate 500,000-1,200,000 debris fragments 1-10cm in Low ...
openaire   +1 more source

Securing space domain awareness overview: decisions in the nick of time. [PDF]

NPJ Wirel Technol
Benchoubane N, Karabulut Kurt G.
europepmc   +1 more source

Design of security situation awareness power grid SCADA system based on improved GWO-LSTM. [PDF]

Sci Rep
Chen Z, Zheng H, Gao L, Qiu F, Huang H, Liu S.   +5 more
europepmc   +1 more source

Treatment of Extended Kalman Filter Implementations for the Gyroless Star Tracker. [PDF]

Sensors (Basel), 2022
Critchley-Marrows JJR, Wu X, Cairns IH.
europepmc   +1 more source

Who Cares for Space Debris? Conflicting Logics of Security and Sustainability in Space Situational Awareness Practices. [PDF]

Sci Eng Ethics
Klimburg-Witjes N, Strycker K, Braun V.
europepmc   +1 more source

Assessing the implementation determinants of antimicrobial stewardship programmes in sub-Saharan Africa through the complexity lens. A CFIR-guided systematic review. [PDF]

Front Microbiol
Kapatsa T, Bwanali AN, Kambewa LN, Mkandawire V, Mwale G, Harawa G, Ssebibubbu S, Ali AY, Mudenda S, Masi A, Chumbi G, Moyo C, Makole T, Chung JS, Chung S, Chung D, Chung S, Hwang V, Han C, Lee G, Chitule C, Nyirenda T, Lubanga AF.   +22 more
europepmc   +1 more source

Community-based family planning resources and modern contraceptive use among young women living with HIV in semi-rural northern Uganda: a mixed-method study. [PDF]

BMC Womens Health
Kumakech E, Benyumiza D, Musinguzi M, Inzama W, Doryn E, Okello J, Kabiri L, Ogwal-Okeng JW.   +7 more
europepmc   +1 more source

Role of Radio Telescopes in Space Debris Monitoring: Current Insights and Future Directions. [PDF]

Sensors (Basel)
Ahuja B, Gentile L, Kumar A, Martorella M.   +3 more
europepmc   +1 more source