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Published March 1973 | Published
Journal Article Open

A new inversion method in electromagnetic wave propagation


A theoretical investigation by an integral equation approach for the determination of the atmospheric refractive index profile from satellite radio tracking data is reported. A numerical solution is constructed by applying a minimum mean-squared estimator. An iterative procedure is suggested and shown to be convergent.

Additional Information

© 1973 IEEE. Manuscript received July 14, 1971; revised November 7, 1972. This work was supported by the Deutsche Forschungs- und Versuchsanstalt für Luft- und Raumfahrt (DFVLR), the German Federal Ministry for Education and Science, and NASA under International University Fellowship. Gratitude is expressed to Dr. A. J. Kliore, Dr. W. G. Melbourne (JPL), and Prof. D. O. Muhleman (Caltech) for their valuable discussions. Gratitude is also expressed to Dr. E. Luneburg and Dr. V. Stein (DFVLR) for their cooperation in performing the numerical computations of Section V.

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