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Wave scattering from a lossy dielectric rough surface using PBTG-BMIA/CAG and applications to passive remote sensing

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4 Author(s)
Qin Li ; Dept. of Electr. Eng., Washington Univ., Seattle, WA, USA ; Chi Hou Chan ; Leung Tsang ; Guifu Zhang

Wave scattering from a lossy dielectric rough surface is studied. Based on the fact that Green's function of the air region is slowly varying compared to that in a lower medium and Green's function in a lossy medium is attenuative, a physics-based two-grid method (PBTG) was developed. To facilitate computation, the method is combined with the banded-matrix iterative approach/canonical grid (BMIA/CAG) method. Applying this method, bistatic scattering coefficients and emissivities are calculated. The results show good agreement in comparison with that of using a single dense grid

Published in:

Geoscience and Remote Sensing Symposium Proceedings, 1998. IGARSS '98. 1998 IEEE International  (Volume:3 )

Date of Conference:

6-10 Jul 1998