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361
Pico-Sat to Ground Control: Optimizing Download Link via Laser Communication
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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362
HGL: A hybrid global-local load balancing routing scheme for the Internet of Things through satellite networks
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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363
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364
Assessing Changeability in Aerospace Systems Architecting and Design Using Dynamic Multi-Attribute Tradespace Exploration
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 -
365
Assessing Changeability in Aerospace Systems Architecting and Design Using Dynamic Multi-Attribute Tradespace Exploration
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 -
366
Multicarrier modulator/demodulator for LEO satellite terminals
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 -
367
International electronic message service through micro-satellite
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 -
368
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369
Study the Effect of Solar Radiation Pressure at Several Satellite Orbits
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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370
Carbon Nanocomposites in Aerospace Technology: A Way to Protect Low-Orbit Satellites
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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371
Laboratory testing of LoRa modulation for CubeSat radio communications
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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372
Performance analysis of LEO mobile satellite systems with DS-CDMA and FDMA/TDMA
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 -
373
Some results regarding the comparison of the Earth's atmospheric models
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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374
Comparison of cubesat and microsat catastrophic failures in function of radiation and debris impact risk
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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375
Editorial to the Special Issue: “Dysregulation of Human Molecular and Metabolic Mechanisms Resulting in Oxidative Stress and Damage Generation in the Space Environment”
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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376
Space Telescopes and Observatories (Astronomical Instruments) /
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 -
377
Encyclopedia of Human Spaceflight Programs /
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 -
378
Exposure to multiple ion beams, broadly representative of galactic cosmic rays, causes perivascular cardiac fibrosis in mature male rats.
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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379
Exposure to multiple ion beams, broadly representative of galactic cosmic rays, causes perivascular cardiac fibrosis in mature male rats
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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380
The Space Mission Design Example Using LEO Bolos
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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