IEICE Transactions on Electronics
Online ISSN : 1745-1353
Print ISSN : 0916-8524
Special Section on Recent Progress in Electromagnetic Theory and Its Application
A Further Improved Technique on the Stochastic Functional Approach for Randomly Rough Surface Scattering ——Analytical-Numerical Wiener Analysis——
Yasuhiko TAMURA
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2011 Volume E94.C Issue 1 Pages 39-46

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Abstract

This paper proposes a further improved technique on the stochastic functional approach for randomly rough surface scattering. The original improved technique has been established in the previous paper [Waves in Random and Complex Media, vol.19, no.2, pp.181-215, 2009] as a novel numerical-analytical method for a Wiener analysis. By deriving modified hierarchy equations based on the diagonal approximation solution of random wavefields for a TM plane wave incidence or even for a TE plane wave incidence under large roughness, large slope or low grazing incidence, such a further improved technique can provide a large reduction of required computational resources, in comparison with the original improved technique. This paper shows that numerical solutions satisfy the optical theorem with very good accuracy, by using small computational resources.

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© 2011 The Institute of Electronics, Information and Communication Engineers
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