Title :
Fresnel approximation for wave scattering in a random medium
Author_Institution :
Zel Technol., Boulder, CO, USA
Abstract :
It is shown that the standard Fraunhofer diffraction approximation cannot be used in the problem of radiowave scattering by a distributed scatterer. The Fresnel approximation is developed for this problem.
Keywords :
atmospheric techniques; backscatter; electromagnetic wave scattering; meteorological radar; radar cross-sections; radar theory; radiowave propagation; random media; remote sensing by radar; tropospheric electromagnetic wave propagation; Fresnel approximation; atmosphere; backscatter; distributed scatterer; measurement technique; meteorological radar; model; radar remote sensing; radar scattering; radio-wave scattering; radiowave propagation; random media; theory; Aperture antennas; Dielectrics; Electromagnetic diffraction; Electromagnetic scattering; Fluctuations; Fresnel reflection; Permittivity; Receiving antennas; Refractive index; Transmitting antennas;
Conference_Titel :
Geoscience and Remote Sensing Symposium, 2002. IGARSS '02. 2002 IEEE International
Print_ISBN :
0-7803-7536-X
DOI :
10.1109/IGARSS.2002.1025911
