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481
GPS Based Reduced-Dynamic Orbit Determination for Low Earth Orbiters with Ambiguity Fixing
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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482
Análisis espectral de nubes de sal originadas en las cercanías de la laguna de Mar Chiquita utilizando sensores remotos.
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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483
La trame arborée : un élément pertinent pour articuler paysage et biodiversité dans la politique de la trame verte et bleue aux échelles infrarégionales ?
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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484
The Geoeffectiveness of Solar Wind Current Sheets and Its Modulation by Foreshock Ions
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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485
Potential Structural Damage Characterization through Remote Sensing Data: A Nondestructive Experimental Case Study
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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486
The kinetic relativity theory – hiding in plain sight
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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487
FloorLoc-SL: Floor Localization System with Fingerprint Self-Learning Mechanism
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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488
Flexible-Robotic Reflector for Aerospace Applications
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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489
Research on the Trajectory Model for ZY-3
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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490
Features and prospects of the Russian civil aircraft industry development under sanctions pressure from Western countries
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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491
The thermal evaluation of snow line and identification of potential areas of snow falling in the Alborz Mountains with NOAA-AVHRR images
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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492
Performance Enhancement of Spaceborne Cooler Passive Launch and On-Orbit Vibration Isolation System
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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493
A Global Thermospheric Density Prediction Framework Based on a Deep Evidential Method
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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494
Ionospheric Gradient Threat Mitigation in Future Dual Frequency GBAS
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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495
Research on Minimum Time Interception Problem with a Tangent Impulse under Relative Motion Models
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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496
Disk-Integrated Lunar Brightness Temperatures between 89 and 190 GHz
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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497
Strong Relativistic Electron Flux Events in GPS Orbit
Published 2024-12-01“…Abstract Relativistic electrons cause internal charging on satellites and are a significant space weather hazard. …”
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498
A Wide-Beam Scanning Mode for Near-Space Passive SARs
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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499
Commissariats of Military Industry during the Great Patriotic War
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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500
Innovative Radiating Systems for Train Localization in Interference Conditions
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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