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The results of mathematical simulation of the formation of initial projection data for the problems of radio-tomography of the ionosphere using navigation satellites GPS and constellation of low earth orbit nanosatellites are presented. It is shown that for ring carriers (spherical layers), in the incompleteness of chordal data, the problems of reconstructing the electron density can be reduced to problems of low-angle tomography and the use of high-speed FBP algorithms.

Mathematical modeling radio tomographic ionospheric parameters reconstruction via nanosatellites constellation for conditions of incomplete source data