Showing 361 - 380 results of 1,434 for search '"low Earth orbit"', query time: 0.56s Refine Results
  1. 361

    Pico-Sat to Ground Control: Optimizing Download Link via Laser Communication by Revital Marbel, Boaz Ben-Moshe, Tal Grinshpoun

    Published 2022-07-01
    “…Consider a constellation of over a hundred low Earth orbit satellites that aim to capture every point on Earth at least once a day. …”
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    Article
  2. 362

    HGL: A hybrid global-local load balancing routing scheme for the Internet of Things through satellite networks by Ziluan Liu, Jiangsheng Li, Yanru Wang, Xin Li, Shanzhi Chen

    Published 2017-03-01
    “…To effectively resolve these problems and optimally transmit Internet of Things data, a novel hybrid global-local load balancing routing scheme for Low Earth Orbit satellite networks is proposed in this article. …”
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    Article
  3. 363
  4. 364

    Assessing Changeability in Aerospace Systems Architecting and Design Using Dynamic Multi-Attribute Tradespace Exploration by Ross, Adam M., Hastings, Daniel E.

    Published 2014
    “…Results suggest that the low Earth orbit satellite mission can increase its changeability by having the ability to readily change its orbit. …”
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    Presentation
  5. 365

    Assessing Changeability in Aerospace Systems Architecting and Design Using Dynamic Multi-Attribute Tradespace Exploration by Ross, Adam M., Hastings, Daniel E.

    Published 2014
    “…Results suggest that the low Earth orbit satellite mission can increase its changeability by having the ability to readily change its orbit. …”
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    Presentation
  6. 366

    Multicarrier modulator/demodulator for LEO satellite terminals by Wong, Chee Wah

    Published 2008
    “…The project aims to develop a digital modulator/demodulator for high data rate low earth orbit (LEO) satellite communication based on multicarrier spread spectrum (MC-SS) modulation. …”
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    Thesis
  7. 367

    International electronic message service through micro-satellite by Ma, Hui

    Published 2010
    “…The micro-satellite is a new species of small, relatively inexpensive and electronically sophisticated low Earth orbit (LEO) satellite. A digital store-and-forward communications technique is applied to it, allowing data files comprising messages to be stored on-board the microsatellite. …”
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    Thesis
  8. 368
  9. 369

    Study the Effect of Solar Radiation Pressure at Several Satellite Orbits by Baghdad Science Journal

    Published 2013-12-01
    “…The effects of solar radiation pressure at several satellite (near Earth orbit satellite, low Earth orbit satellite, medium Earth orbit satellite and high Earth orbit satellite ) have been investigated. …”
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    Article
  10. 370

    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
  11. 371

    Laboratory testing of LoRa modulation for CubeSat radio communications by Doroshkin Alexander, Zadorozhny Alexander, Kus Oleg, Prokopyev Vitaliy, Prokopyev Yuri

    Published 2018-01-01
    “…We report the results of the feasibility study of using LoRa modulation for radio communications between CubeSat at low Earth orbit and ground station. The main goal of the study is to define how Doppler effect affects a LoRa radio link. …”
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    Article
  12. 372

    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
  13. 373

    Some results regarding the comparison of the Earth's atmospheric models by Šegan S., Šurlan B.

    Published 2005-01-01
    “…In this paper we examine air densities derived from our realization of aeronomic atmosphere models based on accelerometer measurements from satellites in a low Earth's orbit (LEO). Using the adapted algorithms we derive comparison parameters. …”
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    Article
  14. 374

    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
  15. 375

    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
  16. 376

    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
  17. 377

    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
  18. 378

    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
  19. 379

    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
  20. 380

    The Space Mission Design Example Using LEO Bolos by Oleg Nizhnik

    Published 2013-12-01
    “…Four sample space launch missions were designed using rotating momentum transfer tethers (bolos) within low Earth orbit and a previously unknown phenomenon of “aerospinning” was identified and simulated. …”
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    Article