Showing 81 - 100 results of 472 for search '"ionosphere"', query time: 0.08s Refine Results
  1. 81

    An Improved Stochastic Model for the Geodetic GNSS Receivers Under Ionospheric Scintillation at Low Latitudes by Xiaomin Luo, Yingzong Lin, Xiaolei Dai, Shaofeng Bian, Dezhong Chen

    Published 2024-02-01
    “…Abstract The receiver tracking error stochastic (RTES) model can improve GNSS precise point positioning (PPP) performance under ionospheric scintillation. However, it relies on scintillation products derived from ionospheric scintillation monitoring receivers (ISMRs), which means the RTES model cannot be used for abundant geodetic GNSS receivers. …”
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  2. 82

    Modeling Ionospheric TEC Using Gradient Boosting Based and Stacking Machine Learning Techniques by Ayanew Nigusie, Ambelu Tebabal, Roman Galas

    Published 2024-03-01
    “…Abstract Accurately predicting and modeling the ionospheric total electron content (TEC) can greatly improve the accuracy of satellite navigation and positioning and help to correct ionospheric delay. …”
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  3. 83

    Effects of Forcing Uncertainties on the Thermospheric and Ionospheric States During Geomagnetic Storm and Quiet Periods by C.‐T. Hsu, N. M. Pedatella

    Published 2023-04-01
    “…Understanding the sensitivity of the thermosphere and ionosphere to forcing uncertainties under different geomagnetic conditions is critical for space weather predictions. …”
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  4. 84
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    Stationary Time Statistical Property of Ionospheric Clutter in High-Frequency Surface-Wave Radar by Shang Shang, Kangning He, Zhaobin Wang, Xuguang Yang

    Published 2019-01-01
    “…In HFSWR (high-frequency surface-wave radar) system, the detection performance is impacted seriously by ionospheric clutter. Frequency selection is an effective method to avoid the effect of ionospheric clutter. …”
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    Substorm Induced Nighttime Plasma Flow Pulsations Observed by ROCSAT‐1 at Topside Ionosphere by S.‐Y. Su, Y.‐Y. Sun, C.‐K. Chao, L.‐C. Tsai, C. H. Liu

    Published 2023-03-01
    “…Abstract The Republic of China Satellite‐1 orbiting at 600 km topside ionosphere has observed the topside ionospheric plasma flow pulsations induced by the substorm onsets. …”
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    Validation of the α-μ Model of the Power Spectral Density of GPS Ionospheric Amplitude Scintillation by Kelias Oliveira, Alison de Oliveira Moraes, Emanoel Costa, Marcio Tadeu de Assis Honorato Muella, Eurico Rodrigues de Paula, Waldecir Perrella

    Published 2014-01-01
    “…Among several applications, it has been used in the characterization of low-latitude amplitude scintillation, which frequently occurs during the nighttime of particular seasons of high solar flux years, affecting radio signals that propagate through the ionosphere. Depending on temporal and spatial distributions, ionospheric scintillation may cause availability and precision problems to users of global navigation satellite systems. …”
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    Temporal Variability of Equatorial Ionization Anomaly Crest Locations Extracted From Global Ionospheric Maps by Corina Dunn, Xing Meng, Olga P. Verkhoglyadova

    Published 2024-05-01
    “…We extract the crest location for double‐peaked EIAs from a data set of total electron content intensifications identified on global ionospheric maps from 2003 to 2022. We show that the dominant temporal variations of the crest latitude are annual and semi‐diurnal for the northern crest, and annual and diurnal for the southern crest. …”
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