Showing 1,161 - 1,180 results of 2,648 for search '"satellites"', query time: 0.05s Refine Results
  1. 1161

    MEMPSEP‐III. A Machine Learning‐Oriented Multivariate Data Set for Forecasting the Occurrence and Properties of Solar Energetic Particle Events Using a Multivariate Ensemble Approa... by Kimberly Moreland, Maher A. Dayeh, Hazel M. Bain, Subhamoy Chatterjee, Andrés Muñoz‐Jaramillo, Samuel T. Hart

    Published 2024-09-01
    “…Using the Geostationary Operational Environmental Satellites (GOES) flare event list from Solar Cycle (SC) 23 and part of SC 24 (1998–2013), we identify 252 solar events (>C‐class flares) that produce SEPs and 17,542 events that do not. …”
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  2. 1162

    Challenges in Specifying and Predicting Space Weather by R. W. Schunk, L. Scherliess, V. Eccles, L. C. Gardner, J. J. Sojka, L. Zhu, X. Pi, A. J. Mannucci, A. Komjathy, C. Wang, G. Rosen

    Published 2021-02-01
    “…The data assimilated included ground‐based Global Positioning Satellite TEC and topside plasma densities near 800 km altitude derived from the COSMIC (Constellation Observing System for Meteorology, Ionosphere, and Climate) satellites. …”
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  3. 1163

    The Mechanism for GNSS‐Based Kinematic Positioning Degradation at High‐Latitudes Under the March 2015 Great Storm by Wenfeng Nie, Adrià Rovira‐Garcia, Mowen Li, Zhenlong Fang, Yong Wang, Dunyong Zheng, Tianhe Xu

    Published 2022-06-01
    “…From the perspective of GNSS data processing, the large positioning errors were also found to be related to the large number of satellites experiencing cycle slips (CSs). Based on the lock time from the ionospheric scintillation monitoring receiver, we found that a large amount of the CSs was falsely detected under the conventional threshold of the CS detector. …”
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  4. 1164

    Predictive Capabilities and Limitations of Stream Interaction Region Observations at Different Solar Longitudes by R. C. Allen, G. C. Ho, L. K. Jian, G. M. Mason, S. K. Vines, D. Lario

    Published 2020-04-01
    “…However, a focused investigation of the likelihood that either an L5 monitor or Earth‐trailing “string‐of‐pearl” constellation of satellites would be able to serve as an effective warning buoy for SIRs/CIRs that will affect the near‐Earth space environment has yet to be extensively performed. …”
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  5. 1165

    Calibration and Initial Results of Space Radiation Dosimetry Using the iMESA‐R by C. A. Maldonado, R. Cress, P. Gresham, J. L. Armstrong, G. Wilson, D. Reisenfeld, B. Larsen, R. L. Balthazor, J. Harley, M. G. McHarg

    Published 2020-08-01
    “…A constellation consisting of five nearly identical instruments has been designed and developed to act as science payloads hosted on‐board Department of Defense satellites operating in low‐Earth orbit. To validate the dosimetry component of the iMESA‐R, a radiation test study was performed to calibrate the dosimeter and ascertain the attenuation due to the instrument aluminum housing. …”
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  6. 1166

    Application of wetPf2 Data for Investigating Characteristics of Temperature and Humidity of Air Masses over Paracel and Spratly Islands by Khuong Le Pham, Anh Xuan Nguyen, Hiep Van Nguyen, Son Hai Hoang, Vinh Nhu Nguyen, Thang Van Vu

    Published 2024-01-01
    “…The satellite observational data were validated with the radiosonde data from three stations in Vietnam: Hanoi, Danang, and Ho Chi Minh City. …”
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  7. 1167

    An Empirical Model of the Occurrence Rate of Low Latitude Post‐Sunset Plasma Irregularities Derived From CHAMP and Swarm Magnetic Observations by C. Stolle, T. A. Siddiqui, L. Schreiter, S. K. Das, I. Rusch, M. Rother, E. Doornbos

    Published 2024-06-01
    “…IBI is a Level 2 product of the Swarm satellite mission used for EPD identification. The relative operating characteristics (ROC) curve shows positive excursion above the no‐skill line with Hanssen and Kuiper's Discriminant (H&KSS) score of 0.52, 0.51, and 0.55 at threshold model output of 0.16 for Swarm A, B, and C satellites. …”
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  8. 1168

    Deriving Ionospheric Sporadic E Intensity From FORMOSAT‐3/COSMIC and FY‐3C Radio Occultation Measurements by Tianyang Hu, Jia Luo, Xiaohua Xu

    Published 2022-12-01
    “…Our results reveal that with the aging of the COSMIC satellites, FY‐3C TEC data is a valuable supplementary RO data source for Es‐related studies.…”
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  9. 1169

    The GOES‐R Solar UltraViolet Imager by Jonathan M. Darnel, Daniel B. Seaton, Christian Bethge, Laurel Rachmeler, Alison Jarvis, Steven M. Hill, Courtney L. Peck, J. Marcus Hughes, Jason Shapiro, Allyssa Riley, Gopal Vasudevan, Lawrence Shing, George Koener, Chris Edwards, Dnyanesh Mathur, Shelbe Timothy

    Published 2022-04-01
    “…Abstract The four Solar Ultraviolet Imagers (SUVI) on board the Geostationary Operational Environmental Satellite (GOES)‐16 and GOES‐17 and the upcoming GOES‐T and GOES‐U weather satellites serve as National Oceanic and Atmospheric Administration's operational solar coronal imagers. …”
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  10. 1170
  11. 1171

    Nightside Neutral Density Disturbances Collocated With Equatorial Plasma Irregularities Above 450 km: GRACE and GRACE‐FO Observations in 2002–2022 by Hosub Song, Jaeheung Park, Chao Xiong, Jose van den IJssel, Daehee Lee, Jaejin Lee, Yu Yi

    Published 2024-12-01
    “…As a first step, we confirmed that the EPI climatology in GRACE satellite data is consistent with previous reports. …”
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  12. 1172

    End-to-End Multi-Scale Adaptive Remote Sensing Image Dehazing Network by Xinhua Wang, Botao Yuan, Haoran Dong, Qiankun Hao, Zhuang Li

    Published 2025-01-01
    “…Satellites frequently encounter atmospheric haze during imaging, leading to the loss of detailed information in remote sensing images and significantly compromising image quality. …”
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  13. 1173

    Comparative Accuracies of Models for Drag Prediction During Geomagnetically Disturbed Periods: A First Principles Model Versus Empirical Models by R. L. Walterscheid, M. W. Chen, C.‐C. Chao, S. Gegenheimer, J. Cabrera‐Guzman, J. McVey

    Published 2023-05-01
    “…Additionally, we evaluate the accuracy of the TIEGCM and NRLMSIS with data from high precision accelerometers on the Challenging Minisatellite Payload (CHAMP) and Gravity field and Circulation Explorer (GOCE) satellites. The goal is to assess the use of a first principles model as a potential tool for forecasting satellite drag during large magnetic storms. …”
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  14. 1174

    Extreme Relativistic Electron Fluxes in GPS Orbit: Analysis of NS41 BDD‐IIR Data by Nigel P. Meredith, Thomas E. Cayton, Michael D. Cayton, Richard B. Horne

    Published 2023-06-01
    “…Abstract Relativistic electrons in the Earth's outer radiation belt are a significant space weather hazard. Satellites in GPS‐type orbits pass through the heart of the outer radiation belt where they may be exposed to large fluxes of relativistic electrons. …”
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  15. 1175

    Optimizing Polar Air Traffic: Strategies for Mitigating the Effects of Space Weather‐Induced Communication Failures Poleward of 82°N by Dabin Xue, Zhizhao Liu, Donghe Zhang, Cheng‐Lung Wu, Jian Yang

    Published 2024-12-01
    “…However, space weather events can disrupt the ionosphere conditions and damage satellites, leading to High‐Frequency (HF) communication blackouts and satellite communication failures. …”
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  16. 1176

    Solar Flare X‐Ray Impacts on Long Subionospheric VLF Paths by Samuel R. G. Belcher, Mark A. Clilverd, Craig J. Rodger, Sophie Cook, Neil R. Thomson, James B. Brundell, Tero Raita

    Published 2021-11-01
    “…No increases in RMS or SD uncertainty levels were introduced by the removal of satellite‐based regression parameters such as the XL flux level measured before the flare onset. …”
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  17. 1177

    Improved Neutral Density Predictions Through Machine Learning Enabled Exospheric Temperature Model by Richard J. Licata, Piyush M. Mehta, Daniel R. Weimer, W. Kent Tobiska

    Published 2021-12-01
    “…Abstract The community has leveraged satellite accelerometer data sets in previous years to estimate neutral mass density and exospheric temperatures. …”
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  18. 1178

    PreMevE Update: Forecasting Ultra‐Relativistic Electrons Inside Earth's Outer Radiation Belt by Saurabh Sinha, Yue Chen, Youzuo Lin, Rafael Pires de Lima

    Published 2021-09-01
    “…Model inputs include precipitating electrons observed in low‐Earth‐orbits by NOAA satellites, upstream solar wind speeds and densities from solar wind monitors, as well as ultra‐relativistic electrons measured by one Los Alamos GEO satellite. …”
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  19. 1179

    Research on the Detection Method of Martian Atmospheric Temperature and Pressure Profile Based on Laser Occultation Technology by Ye Liu, Wei Kong, Xue Shen, Tao Chen, Genghua Huang

    Published 2024-12-01
    “…This paper presents a detection method for the Martian atmosphere utilizing laser occultation technology based on a network of high-orbit and low-orbit satellites around Mars. The measurement principle of Mars laser occultation is first introduced, which is that the atmospheric temperature and pressure are measured by analyzing the absorption spectrum characteristics of infrared carbon dioxide. …”
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  20. 1180

    Ionospheric Response to the Extreme 2024 Mother's Day Geomagnetic Storm Over the Latin American Sector by C. S. Carmo, L. Dai, C. M. Wrasse, D. Barros, H. Takahashi, C. A. O. B. Figueiredo, C. Wang, H. Li, Z. Liu

    Published 2024-12-01
    “…Abstract Geomagnetic storms affect Earth in various severe ways, including damaging satellites, disrupting power grids, and inducing prompt penetration electric fields (PPEF) through Joule heating in the auroral region. …”
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