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Estimation of 3D electron density in the Ionosphere by using fusion of GPS satellite-receiver network measurements and IRI-Plas model

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Fig. 1. An illustration of Total Electron Content measurements by using a GPS satellite-receiver network
TABLE I. I NPUT PARAMETERS FOR CALCULATING THE SLANT PATH COORDINATES
Fig. 4. Simulation results obtained for 21 June 2009. a) Cost function with respect to iteration number, b) Default VTEC map obtained from IRI-Plas, c) Optimized VTEC map obtained after PSO.
Fig. 5. Simulation results obtained for 18 September 2009. a) Cost function with respect to iteration number, b) Default VTEC map obtained from IRI-Plas, c) Optimized VTEC map obtained after PSO.
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