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Numerical Simulations to Assess ART and MART Performance for Ionospheric Tomography of Chapman Profiles Anais da ABC (AABC)
PROL,FABRICIO S.; CAMARGO,PAULO O.; MUELLA,MARCIO T.A.H..
ABSTRACT The incomplete geometrical coverage of the Global Navigation Satellite System (GNSS) makes the ionospheric tomographic system an ill-conditioned problem for ionospheric imaging. In order to detect the principal limitations of the ill-conditioned tomographic solutions, numerical simulations of the ionosphere are under constant investigation. In this paper, we show an investigation of the accuracy of Algebraic Reconstruction Technique (ART) and Multiplicative ART (MART) for performing tomographic reconstruction of Chapman profiles using a simulated optimum scenario of GNSS signals tracked by ground-based receivers. Chapman functions were used to represent the ionospheric morphology and a set of analyses was conducted to assess ART and MART...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Grid-based tomography; Electron density; Ionospheric profile; Chapman function; GNSS; TEC.
Ano: 2017 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652017000401531
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