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Satellite In-Orbit Secondary Collision Risk Assessment
Published 2022-01-01“…The massive mega constellation of satellites will have a significant impact on global space safety. …”
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Design of Reverse Curves Adapted to the Satellite Measurements
Published 2016-01-01“…The paper presents a new method for designing railway route in the direction change area adapted to the Mobile Satellite Measurements technique. The method may be particularly useful in the situations when both tangents cannot be connected in an elementary way using a circular arc with transition curves. …”
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QUADRIFILAR HELIX ANTENNA FOR WEATHER SATELLITE RECEPTION
Published 2020-07-01Subjects: “…Quadrifilar Helix Antenna (QHA), Numerical Electromagnetics Code (NEC2), Half-Power Beamwidth (HPBW), Low-Earth-Orbit satellites (LEOs), Circularly Polarized (CP), Voltage Standing Wave Ratio (VSWR)…”
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How geomagnetic storms affect the loss of Starlink satellites in February 2022?
Published 2025-01-01Subjects: “…Starlink satellites…”
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GPS-SBAS-Based Orbit Determination for Low Earth Orbiting Satellites
Published 2023-01-01“…We apply modified SBAS data to LEO satellite onboard navigator to improve the positioning accuracy of a LEO satellite for possible real-time use. …”
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The Role of Ground-Based Robotic Observatories in Satellite Projects
Published 2010-01-01“…We discuss the role of robotic telescopes in satellite projects, as well as related strategies. …”
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Intercomparison of Downscaling Techniques for Satellite Soil Moisture Products
Published 2018-01-01“…During recent decades, various downscaling methods of satellite soil moisture (SM) products, which incorporate geophysical variables such as land surface temperature and vegetation, have been studied for improving their spatial resolution. …”
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Satellite Cells: Regenerative Mechanisms and Applicability in Muscular Dystrophy
Published 2015-01-01“…The satellite cells are long regarded as heterogeneous cell population, which is intimately linked to the processes of muscular recovery. …”
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The Influence of Orbital Element Error on Satellite Coverage Calculation
Published 2018-01-01“…This paper studies the influence of orbital element error on coverage calculation of a satellite. In order to present the influence, an analysis method based on the position uncertainty of the satellite shown by an error ellipsoid is proposed. …”
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GravIS: mass anomaly products from satellite gravimetry
Published 2025-02-01“…<p>Accurately quantifying global mass changes at the Earth's surface is essential for understanding climate system dynamics and their evolution. Satellite gravimetry, as realized with the Gravity Recovery and Climate Experiment (GRACE) and GRACE Follow-On (GRACE-FO) missions, is the only currently operative remote sensing technique that can track large-scale mass variations, making it a unique monitoring opportunity for various geoscientific disciplines. …”
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The representative scientific results of the China Seismo-Electromagnetic Satellite
Published 2025-01-01Subjects: “…China Seismo-Electromagnetic Satellite…”
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ARMA Prediction of SBAS Ephemeris and Clock Corrections for Low Earth Orbiting Satellites
Published 2015-01-01“…For low earth orbit (LEO) satellite GPS receivers, space-based augmentation system (SBAS) ephemeris/clock corrections can be applied to improve positioning accuracy in real time. …”
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BeiDou Satellites Assistant Determination by Receiving Other GNSS Downlink Signals
Published 2016-01-01“…In the emergency of satellite-to-ground links and ISL break-off, BeiDou navigation satellite system (BDS) satellites cannot determine their orbits. …”
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Joint Trajectory Planning of Space Modular Reconfigurable Satellites Based on Kinematic Model
Published 2020-01-01“…This paper investigates the application of particle swarm optimization (PSO) algorithm to plan joint trajectories of the space modular reconfigurable satellite (SMRS). SMRS changes its configuration by joint motions to complete various space missions; its movement stability is affected by joints motions because of the dynamic coupling effect in space. …”
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Single-epoch power positioning method for multi-beam LEO communication satellites
Published 2025-01-01Subjects: “…LEO satellites…”
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Nitrogen Dioxide Monitoring with Satellite Imagery over Ankara, Turkey
Published 2024-12-01“…In this report, Sentinel 5 satellite data was utilized to monitor NO2 gas emissions in the city of Ankara. …”
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