Showing 481 - 500 results of 1,484 for search '"satellites"', query time: 0.07s Refine Results
  1. 481

    GPS Based Reduced-Dynamic Orbit Determination for Low Earth Orbiters with Ambiguity Fixing by Yang Yang, Xiaokui Yue, Jianping Yuan

    Published 2015-01-01
    “…With the ever-increasing number of satellites in Low Earth Orbit (LEO) for scientific missions, the precise determination of the position and velocity of the satellite is a necessity. …”
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    Article
  2. 482

    Análisis espectral de nubes de sal originadas en las cercanías de la laguna de Mar Chiquita utilizando sensores remotos. by Diana Rodriguez, Silvana Carina Bolzi, Ines Velasco, Mónica Marino

    Published 2013-12-01
    “…From 2006 observations from space with different satellites allowed document the presence of white clouds originating from the salt that is raised from the ground with intensity winds occur. …”
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  3. 483

    La trame arborée : un élément pertinent pour articuler paysage et biodiversité dans la politique de la trame verte et bleue aux échelles infrarégionales ? by Éric Maire, Philippe Béringuier, Gérard Briane, Bertrand Desailly, Sylvie Guillerme

    Published 2015-12-01
    “…We shall demonstrate through an example in the Pyrenean Piedmont Ariège region, that there are viable methods for making detailed maps of green corridors by using images from the Pléaides satellites. These knowledge tools have been tested in an interactive workshop which revealed a great variety of representations of the green corridor among local stakeholders.…”
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  4. 484

    The Geoeffectiveness of Solar Wind Current Sheets and Its Modulation by Foreshock Ions by Boyi Wang, Yi Wang, Terry Z. Liu, Vassilis Angelopoulos

    Published 2022-06-01
    “…Abstract We examined the evolution of 34 solar wind bifurcated current sheets in the magnetosheath and their magnetospheric responses, using the in‐situ observations of the THEMIS probes and the GOES satellites. The role of foreshock ions in that process is also determined. …”
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  5. 485

    Potential Structural Damage Characterization through Remote Sensing Data: A Nondestructive Experimental Case Study by Marta Terrados-Cristos, Francisco Ortega-Fernández, Marina Díaz-Piloneta, Vicente Rodríguez Montequín, Javier García González

    Published 2022-01-01
    “…Structural health monitoring systems based on satellite information can help to ensure the proper behavior of civil structures and are an interesting alternative for remote locations. …”
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    Article
  6. 486

    The kinetic relativity theory – hiding in plain sight by Loen Mark V.

    Published 2024-08-01
    “…Laboratory experiments with a single moving body fit this concept. However, GPS satellites and their ground clocks measure time dilation by a velocity relative to a common non-rotating Earth inertial frame. …”
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  7. 487

    FloorLoc-SL: Floor Localization System with Fingerprint Self-Learning Mechanism by Kornkanok Khaoampai, Kulit Na Nakorn, Kultida Rojviboonchai

    Published 2015-11-01
    “…This is because obstacles and structures of building block GPS signal from the satellites. Many indoor localization systems have been proposed but most of them are developed over single-floor scenario only. …”
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  8. 488

    Flexible-Robotic Reflector for Aerospace Applications by Nir Shvalb, Boaz Ben-Moshe, Oded Medina, Raz Itzhaki Tamir

    Published 2015-01-01
    “…In this paper we present a new concept for a dynamic antenna specially designed for communication satellites. The suggested flexible-robotic antenna is based on a dual-reflector structure, where the subreflector has a complex surface shaping robotic mechanism allowing it to fix most of the morphologic errors in the main reflector. …”
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  9. 489

    Research on the Trajectory Model for ZY-3 by Yifu Chen, Zhong Xie

    Published 2014-01-01
    “…The new generation Chinese high-resolution three-line stereo-mapping satellite Ziyuan 3 (ZY-3) is equipped with three sensors (nadir, backward, and forward views). …”
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  10. 490

    Features and prospects of the Russian civil aircraft industry development under sanctions pressure from Western countries by V. V. Lapushkin

    Published 2024-10-01
    “…The United States of America and its European satellites have imposed comprehensive sanctions against Russian air carriers, including a ban on aircraft deliveries. …”
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  11. 491

    The thermal evaluation of snow line and identification of potential areas of snow falling in the Alborz Mountains with NOAA-AVHRR images by Dariush Yarahmadi, Amanolah fathnia, Mehdi Sherafat

    Published 2020-03-01
    “…Since the satellites are able to imaging a surface at different times, this will allow snow survey studies to investigate the spatial and temporal distribution of snow. …”
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  12. 492

    Performance Enhancement of Spaceborne Cooler Passive Launch and On-Orbit Vibration Isolation System by Yeon-Hyeok Park, Mun-Shin Jo, Eung-Shik Lee, Hyun-Ung Oh

    Published 2020-01-01
    “…A spaceborne cryogenic cooler induces undesirable microvibration disturbances during its on-orbit operation, which is one of the main sources that degrades the image quality of submeter-level high-resolution observation satellites. Several types of vibration isolation systems based on passive approaches have been developed for reducing the microvibration of the cooler. …”
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  13. 493

    A Global Thermospheric Density Prediction Framework Based on a Deep Evidential Method by Yiran Wang, Xiaoli Bai

    Published 2024-12-01
    “…The framework is investigated on five test cases along various satellites from 2003 to 2015 involving geomagnetic storms with Disturbance Storm Time (Dst) values smaller than −50 nT. …”
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  14. 494

    Ionospheric Gradient Threat Mitigation in Future Dual Frequency GBAS by Michael Felux, Mihaela-Simona Circiu, Jiyun Lee, Florian Holzapfel

    Published 2017-01-01
    “…With the introduction of Galileo and the latest generation of GPS satellites, a second frequency is available for aeronautical navigation. …”
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  15. 495

    Research on Minimum Time Interception Problem with a Tangent Impulse under Relative Motion Models by Wenzhe Ding, Xinhong Li, Hong Yang

    Published 2019-01-01
    “…The minimum time interception problem with a tangent impulse whose direction is the same as the satellite’s velocity direction is studied based on the relative motion equations of elliptical orbits by the combination of analytical, numerical, and optimization methods. …”
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  16. 496

    Disk-Integrated Lunar Brightness Temperatures between 89 and 190 GHz by Martin J. Burgdorf, Stefan A. Buehler, Imke Hans, Marc Prange

    Published 2019-01-01
    “…As the Moon has appeared thousands of times in the field of view of all microwave sounders combined, this investigation demonstrates the potential of weather satellites for fine tuning models and establishing the Moon as extremely accurate calibration reference.…”
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  17. 497

    Strong Relativistic Electron Flux Events in GPS Orbit by Nigel P. Meredith, Thomas E. Cayton, Michael D. Cayton, Richard B. Horne

    Published 2024-12-01
    “…Abstract Relativistic electrons cause internal charging on satellites and are a significant space weather hazard. …”
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  18. 498

    A Wide-Beam Scanning Mode for Near-Space Passive SARs by Peng Zhou, Peng Ren, Yongshou Dai

    Published 2012-01-01
    “…We also synchronize the azimuth beam of the receiver with that of the satellite within seconds during the beam scanning to further increase the scene extension. …”
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  19. 499

    Commissariats of Military Industry during the Great Patriotic War by Yu. V. Il’In

    Published 2015-04-01
    “…Largely due to this fact, the Soviet Union won in serious confrontation with the military-industrial complex military industry of Nazi Germany and its satellites. On the basis of archival documents and testimony of contemporaries the article shows the contribution of the defense industry in the Soviet Union's victory in the Great Patriotic War.…”
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  20. 500

    Innovative Radiating Systems for Train Localization in Interference Conditions by C. Vegni, M. Tosti, A. M. Vegni

    Published 2013-01-01
    “…The design of innovative radiating systems based on the metamaterial technology for GNSS (Global Navigation Satellite System) applications in radio frequency (RF) interference conditions is proposed. …”
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