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A Numerical Study of Low Grazing Angle Backscattering from Random Rough Surfaces  

Kwang-Yeol Yoon (Department of Electronic Engineering, Keimyung University)
Publication Information
The Journal of Korean Institute of Electromagnetic Engineering and Science / v.13, no.6, 2002 , pp. 590-598 More about this Journal
Abstract
We have numerically analyzed the electromagnetic wave scattering from randomly rough dielectric surfaces by using the finite volume time domain (FVTD) method. We have then shown that the present method yields a reasonable solution even at low-grazing angle (LGA). It should be noted that the number of sampling points per wavelength should be increased when more accurate numerical results are required, which fact makes the computer simulation impossible at LGA for a stable result. However, when the extrapolation is used for calculating the scattered field, an accurate result can be estimated. If we want to obtain the ratio of backscattering between the horizontal and vertical polarization, we do not need the large number of sampling points. The results are compared with the experimental data.
Keywords
FVTD Method; Low Crazing Angle; Backscattering Coefficient; Polarization Ratio;
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  • Reference
1 A Monte-Carlo FDTD technique for rough surface scattering /
[ F. D. Hastings;J. B. Schneider;S. L. Broschat ] / IEEE Trans. Antennas Propagat.
2 /
[ Alexander G. Voronovich ] / Wave Scattering from Rough Surfaces (Springer series on Wave Phenomena)(2nd edition)
3 FVTD analysis of electromagnetic wave scattering by rough surface /
[ K. Uchida;K. Y. Yoon;Y. Kuga;A. Ishimaru ] / IGARSS'98
4 X band microwave backscattering form ocean waves /
[ P. H. Y. Lee;J. D. Bater;K. L. Beach;C. L. Hindman;B. M. Lake;H. Rungaldier;J. C. Shelton;A. B. Williams;R. Yee;H. C. Yuen ] / J. Geophysical Res.   DOI
5 The validity of the Kirchhoff approximation for rough surface scattering using a Gaussian roughness spectrum /
[ E. I. Thoros ] / J. Acoust. Soc. Am.   DOI
6 Monte Carlo simulations of large-scale one-dimensional random-rough surface scattering at near-grazing incidence: penetrable case /
[ C. H. Chan;L. Tsang;Q. Li ] / IEEE Trans. Antennas Propagat.   DOI   ScienceOn
7 A perfectly matched layer for the absorption of electromagnetic waves /
[ J. P. Berenger ] / J. Comp. Phys.   DOI   ScienceOn
8 Reflection of electromagnetic wave from slightly rough surfaces /
[ S. O. Rice ] / Commun. Pure Appl. Math.   DOI
9 FDTD Improvement by Dielectric Subgrid Resolution /
[ G. Marrocco;M. Sabbadini;F. Bardati ] / IEEE Trans. on MTT   DOI   ScienceOn
10 FVTD Simulation for Random Rough Dielectric Surface Scattering at Low Grazing Angle /
[ K. Y. Yoon;M. Tateiba;K. Uchida ] / IEICE Trans. Electron.
11 FVTD algorithm and its application procedure /
[ K. Uchida;T. Matunaga;T. Noda;K. K. Han ] / Res. Bull. Fukuoka Inst. Tech.
12 /
[ A. Ishimaru ] / Electromagnetic Wave Propagation, Radiation, and Scattering
13 Comments on The relationship between the Kirchoff approach and small perturbation analysis in rough surface scattering theory /
[ G. R. Valenzulea;J. W. Wright;J. C. Leader ] / IEEE Trans. Antennas Propagat.
14 /
[ A. Ishimaru ] / Wave Propagation and Scattering in Random Media
15 On the discretization of integral equation describing scattering by rough conducting surface /
[ J. V. Toporkov;R. T. Marchand;G. S. Brown ] / IEEE Trans. Antennas Propagat.   DOI   ScienceOn