GNSS-Based Non-Negative Absolute Ionosphere Total Electron Content, its Spatial Gradients, Time Derivatives and Differential Code Biases: Bounded-Variable Least-Squares and Taylor Series

GNSS-Based Non-Negative Absolute Ionosphere Total Electron Content, its Spatial Gradients, Time Derivatives and Differential Code Biases: Bounded-Variable Least-Squares and Taylor Series

Global navigation satellite systems (GNSS) allow estimating total electron content (TEC). However, it is still a problem to calculate absolute ionosphere parameters from GNSS data: negative TEC values could appear, and most of existing algorithms does not enable to estimate TEC spatial gradients and...

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Bibliographic Details
Main Authors: Yury Yasyukevich, Anna Mylnikova, Artem Vesnin
Format: Article
Language:English
Published: MDPI AG 2020-10-01
Series:Sensors
Subjects:
absolute total electron content
bounded-variable least-squares
differential code biases
Taylor series
GPS
GLONASS
Online Access:https://www.mdpi.com/1424-8220/20/19/5702

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