Analysis of the solution of the inverse refraction problem
Abstract
The paper examines two methods for solving the inverse refraction problem involved in the radio probing of the atmosphere of the earth and other planets (Mars, Venus, etc.). Both methods consist in the reduction of the inverse problem to the solution of a Fredholm equation of the first kind, which can be obtained by the integraltransform technique. In the first method, the unknown function is expressed as a double Fourier cosine transform and Abel transform of the experimental function. In the second method, the problem of determining the refractiveindex profile is solved by the double discrete Fourier transformation. The method based on digital filtering is shown to be more effective for determining the height dependence of the refractive index.
 Publication:

Radiotekhnika i Elektronika
 Pub Date:
 September 1984
 Bibcode:
 1984RaEl...29.1658P
 Keywords:

 Planetary Atmospheres;
 Radio Probing;
 Radio Wave Refraction;
 Algorithms;
 Fourier Transformation;
 Integral Transformations;
 Refractivity;
 Lunar and Planetary Exploration