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IONOSPHERIC SLANT TOTAL ELECTRON CONTENT ANALYSIS USING GLOBAL POSITIONING SYSTEM BASED ESTIMATION
IONOSPHERIC SLANT TOTAL ELECTRON CONTENT ANALYSIS USING GLOBAL POSITIONING SYSTEM BASED ESTIMATION
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机译:基于全局定位系统的估计电离层倾斜电子总含量
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摘要
A method, system, apparatus, and computer program product provide the ability to analyze ionospheric slant total electron content (TEC) using global navigation satellite systems (GNSS)-based estimation. Slant TEC is estimated for a given set of raypath geometries by fitting historical GNSS data to a specified delay model. The accuracy of the specified delay model is estimated by computing delay estimate residuals and plotting a behavior of the delay estimate residuals. An ionospheric threat model is computed based on the specified delay model. Ionospheric grid delays (IGDs) and grid ionospheric vertical errors (GIVEs) are computed based on the ionospheric threat model.
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