Showing 281 - 300 results of 1,064 for search '"low Earth orbit"', query time: 0.12s Refine Results
  1. 281

    Carbon Nanocomposites in Aerospace Technology: A Way to Protect Low-Orbit Satellites by Janith Weerasinghe, Karthika Prasad, Joice Mathew, Eduardo Trifoni, Oleg Baranov, Igor Levchenko, Kateryna Bazaka

    Published 2023-05-01
    “…Recent advancements in space technology and reduced launching cost led companies, defence and government organisations to turn their attention to low Earth orbit (LEO) and very low Earth orbit (VLEO) satellites, for they offer significant advantages over other types of spacecraft and present an attractive solution for observation, communication and other tasks. …”
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    Article
  2. 282

    Performance analysis of LEO mobile satellite systems with DS-CDMA and FDMA/TDMA by Fu, Hongyi.

    Published 2008
    “…In a comparison of the satellite systems adopting geostationary and non-geostationary orbits, low earth orbit (LEO) constellations have attracted greater attention because of their small propagation delay and high link margin. …”
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    Thesis
  3. 283

    Comparison of cubesat and microsat catastrophic failures in function of radiation and debris impact risk by Isabel Lopez-Calle, Alexander I. Franco

    Published 2023-01-01
    “…Abstract Occurrence level comparison of catastrophic failures due to radiation effects on electronic components or collision with space debris are studied in two types of satellites: cubesats and microsats. Low Earth Orbit (LEO) case studies are proposed, and the level of catastrophic failure occurrence is quantified for the same mission duration. …”
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    Article
  4. 284

    Editorial to the Special Issue: “Dysregulation of Human Molecular and Metabolic Mechanisms Resulting in Oxidative Stress and Damage Generation in the Space Environment” by Thomas J. Goodwin, Melpo Christofidou-Solomidou

    Published 2022-06-01
    “…Commercial space industries are emergent, bolstered by new exciting rocket systems, orbital and landing vehicles, the creation of multi-country orbital platforms, satellite technology, the renewed promise of low Earth orbit (LEO) business opportunities, as well as promised planetary exploration [...]…”
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    Article
  5. 285

    Space Telescopes and Observatories (Astronomical Instruments) / by Chiu, Glinda, author 648061

    Published 2012
    “…It was deployed in low earth orbit at 450 km (280 miles) to avoid the Van Allen radiation belt. …”
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    software, multimedia
  6. 286

    Encyclopedia of Human Spaceflight Programs / by Scott, Alize 648049

    Published 2012
    “…Under the Bush administration, the Constellation program included plans for canceling the Shuttle and replacing it with the capability for spaceflight beyond low Earth orbit. In the 2011 United States federal budget, the Obama administration proposed canceling Constellation. …”
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    software, multimedia
  7. 287

    Exposure to multiple ion beams, broadly representative of galactic cosmic rays, causes perivascular cardiac fibrosis in mature male rats. by Marek Lenarczyk, Amy Kronenberg, Marylou Mäder, Richard Komorowski, John W Hopewell, John E Baker

    Published 2023-01-01
    “…Such missions will require humans to live for prolonged periods beyond low earth orbit where astronauts will be continuously exposed to high energy galactic cosmic rays (GCRs). …”
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    Article
  8. 288

    Exposure to multiple ion beams, broadly representative of galactic cosmic rays, causes perivascular cardiac fibrosis in mature male rats by Marek Lenarczyk, Amy Kronenberg, Marylou Mäder, Richard Komorowski, John W. Hopewell, John E. Baker

    Published 2023-01-01
    “…Such missions will require humans to live for prolonged periods beyond low earth orbit where astronauts will be continuously exposed to high energy galactic cosmic rays (GCRs). …”
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    Article
  9. 289

    Lyapunov-Based Control via Atmospheric Drag for Tetrahedral Satellite Formation by Mikhail Ovchinnikov, Yaroslav Mashtakov, Sergey Shestakov

    Published 2024-01-01
    “…The problem of small tetrahedral satellite formation maintenance in a Low Earth Orbit is being considered. The main purpose is to develop a simple algorithm for tetrahedron control via atmospheric drag. …”
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    Article
  10. 290

    THE EFFECT OF SPACE ENVIRONMENTS FACTORS ON SPACECRAFT STRUCTURE by Adnan N. Jamil, Muhsin J. Jweeg, Mahmod F. Edan, Safeen Y. Az-deen

    Published 2003-03-01
    “…The satellite operates on a low earth orbit at circular (500,500) km, and subjected to different torques in space environments.The purpose of this paper is to develop the satellite structure design and test it to obtain the mechanical behaviour of structure. …”
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    Article
  11. 291

    Dose Limits and Countermeasures for Mitigating Radiation Risk in Moon and Mars Exploration by Daria Boscolo, Marco Durante

    Published 2022-02-01
    “…After decades of research on low-Earth orbit, national space agencies and private entrepreneurs are investing in exploration of the Solar system. …”
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    Article
  12. 292

    Space agency-specific standards for crew dose and risk assessment of ionising radiation exposures for the International Space Station by Mark Shavers, Edward Semones, Leena Tomi, Jing Chen, Ulrich Straube, Tatsuto Komiyama, Vyacheslav Shurshakov, Chunsheng Li, Werner Rühm

    Published 2024-02-01
    “…Missions to remote destinations well beyond low Earth orbit (BLEO) are upcoming and bestow additional challenges that shape design and radiation protection needs. …”
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    Article
  13. 293

    Hadronic Energy Scale Calibration of Calorimeters in Space Using the Moon’s Shadow by Alberto Oliva

    Published 2024-01-01
    “…Calorimetric experiments in space of the current and of the next generation measure cosmic rays directly above TeV on satellites in low Earth orbit. A common issue of these detectors is the determination of the absolute energy scale for hadronic showers above TeV. …”
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    Article
  14. 294

    GNSS Radio Occultation in Advanced Numerical Weather Prediction Models by Guillermo Bosch

    Published 2019-10-01
    “…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 GNSS satellite. …”
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    Article
  15. 295

    GNSS Radio Occultation in Advanced Numerical Weather Prediction Models by Guillermo Bosch

    Published 2019-10-01
    “…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 GNSS satellite. …”
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    Article
  16. 296

    Telecommunication Systems for Small Satellites Operating at High Frequencies: A Review by Alessandra Babuscia

    Published 2020-05-01
    “…However, as small satellite missions become more ambitious in terms of destinations to reach (from Low Earth Orbit to interplanetary) and in terms of the amount of data to transmit, new technologies need to be developed to provide adequate telecommunication support. …”
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    Article
  17. 297

    Solid-Fuel Rockets & Rocket Engines / by Willey, Deshaun, author 648353

    Published 2012
    “…Solid rockets are used as light launch vehicles for low Earth orbit ( LEO ) payloads under 2 tons or escape payloads up to 1000 pounds…”
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    software, multimedia
  18. 298

    Design of a radiation-hardened-by-design (RHBD) I²C controller by Ng, Wei Yet

    Published 2021
    “…The primary objective of this final year project is to design an RHBD I²C Controller for low earth orbit satellites based on a 65nm CMOS fabrication process. …”
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    Final Year Project (FYP)
  19. 299

    A Flexible Ephemeris Representation for GNSS and Alternative PNT Signal Sources Using B-Splines by Mikaela Dobbin, Penina Axelrad

    Published 2023-08-01
    “…We also demonstrate the applicability of this approach for a PNT satellite in low Earth orbit.…”
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    Article
  20. 300

    Modeling and simulation analysis of Starlink constellation communication by LI Yuanlong, LI Zhiqiang

    Published 2023-08-01
    “…Starlink is the only giant constellation in low Earth orbit currently being rapidly deployed. This paper analyzes the advantages and characteristics of low orbit satellite communication and summarizes Starlink construction and system architecture. …”
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    Article