Title :
Extension of Kirchhoff method under stationary phase approximation to determination of polarimetric thermal emission of the sea
Author :
Camps, A. ; Corbella, I. ; Rius, J.M.
Author_Institution :
Dept. de Teoria del Senyal i Comunicacions, Univ. Politecnica de Catalunya, Barcelona, Spain
fDate :
7/23/1998 12:00:00 AM
Abstract :
Wind direction over the sea can be determined from radiometric measurements of the third Stokes parameter (TU). The Kirchhoff method is extended under the stationary phase approximation to compute the dependence of TU on frequency, wind speed and incidence angle. Numerical predictions, in agreement with experimental measurements, are presented
Keywords :
atmospheric techniques; oceanography; polarimetry; radiometry; remote sensing; wind; Kirchhoff method; atmosphere; incidence angle; measurement technique; microwave polarimetry; microwave radiometry; polarimetric thermal emission; radiometric measurements; radiowave emission; remote sensing; sea surface; stationary phase approximation; third Stokes parameter; wind direction; wind speed;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19981055