The modeling of radar backscatter from the ocean uses the two-scale scattering approximation. This approximation assumes that the continuous spectrum of the ocean can be separated at some wavenumber into large- and small-scale surfaces, allowing use of physical optics and small perturbation methods. The authors investigate the choice of the separation wavenumber by comparing two-scale calculations and exact numerical calculations for a randomly rough surface with a power law spectrum.
A numerical study of the separation wavenumber in the two-scale scattering approximation (ocean surface radar backscatter)
Eine numerische Untersuchung der Trennungswellenzahl bei der Zwei-Skalen-Streuapproximation für die Modellierung der Radarrückwärtsstreuung von der Meeresoberfläche
IEEE Transactions on Geoscience and Remote Sensing ; 28 , 2 ; 271-272
1990
2 Seiten, 6 Quellen
Aufsatz (Zeitschrift)
Englisch
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