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Erschienen in:
2020 | OriginalPaper | Buchkapitel
8. Scattering of Polarized Radio Waves from Surface Structures and Backgrounds of Navigational Observation
verfasst von : Kozlov A. I., Logvin A. I., Sarychev V. A., Shatrakov Y. G., Zavalishin O. I.
Erschienen in: Introduction to the Theory of Radiopolarimetric Navigation Systems
Verlag: Springer Singapore
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Abstract
It is important to know polarization characteristics of radio waves reflected from underlying covers, when solving the issues of remote sounding. Here first and foremost, learning the scattering parameters of exposed areas on the surface plays the most important role. It is clear that if electrophysical properties of such areas (salt content, humidity, soil composition, etc.) are changed, the basic electrodynamic characteristic of the surface—its complex dielectric constant ε—would change. The change in the complex dielectric constant leads to changes in the reflective characteristics of the underlying surface, i.e., its scattering parameters.