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(September 7)Electromagnetic Scattering of Three-Dimensional (3D) Objects Embedded in a Half Space with Random Rough Surface
Sep 6, 2016


Electromagnetic  Scattering of Three-Dimensional (3D) Objects Embedded in a Half Space with  Random Rough Surface


Prof.  Xiao-Bang XU


10:00, September  7, 2016


J101, North  Campus

Lecturer  Profile

Xiao-Bang  Xu received his bachelor degree from the Department of Radio Electronics of  Tsinghua University in 1968, and his doctoral degree from the Electrical  Engineering Department of the University of Mississippi in 1985. He is a  professor of the Holcombe Department of Electrical Engineering of Clemson  University. His research interests include applied electromagnetics and  numerical methods. His work has been published at international conferences and  high-ranked professional journals such as IEEE Transactions on Antennas and  Propagation, IEEE Transactions on Microwave Theory and Techniques, IEEE  Transactions on Power Delivery, IEEE Transactions on Magnetics, and IEEE  Antennas and Wireless Propagation Letters. He has been the journal editor and  reviewer board member for Journal of Electromagnetic Waves and Applications. He  has served as reviewers for various leading journals (including IEEE  Transactions on Antennas and Propagation, IEEE Transactions on Microwave Theory  and Techniques, Radio Science, IEEE Power Engineering Society IEEE Transactions  on Geoscience and Remote Sensing, IEEE Transactions on Electromagnetic  Compatibility, etc.), books and proposals.

Lecture  Abstract

A  Monte-Carlo multidomain pseudospectral time-domain (MPSTD) algorithm is developed  for the analysis of scattering from a two dimensional (2D) and three  dimensional (3D) object buried below a random rough surface separating two half  spaces. In the development, special attention is paid to the 3D computation  domain decomposition, PML derivations, filtering technique and subdomain  mapping involving the random rough surface as well as the subdomain patching  along the rough surface. The Monte-Carlo MPSTD algorithm is then employed to  determine the scattering of objects of various shapes and electromagnetic  properties; embedded in the lower half space with different permittivity and  the roughness of the random rough surface may vary. Sample numerical results  are presented, validated, and analyzed. Then, scattering of objects buried in layered  structure with random rough surface is studied using MPSTD algorithm. Through  the analysis, it is observed that the roughness of the random rough surface and  the electromagnetic properties of the lower half space can significantly affect  the scattered signature of the buried object.

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