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PIER PIER B PIER C PIER M PIER Letters
2012-07-26
Higher Order Method of Moments for Bistatic Scattering from 2D PEC Rough Surface with Geometric Modeling by NURBS Surface
By
Anqi Wang,

    Dr. Anqi Wang

    School of Electronic and Information Engineering

    Anhui University

    China

    Homepage

Li-Xin Guo,

    Professor Li-Xin Guo

    Physics Department

    Xidian Unviersity

    China

    Homepage

Yi-Wen Wei,

    Dr. Yi-Wen Wei

    School of Science

    Xidian University

    China

    Homepage

Jing Ma

    Dr. Jing Ma

    Science and Technology on Space Simulation Laboratory

    China

    Homepage

Progress In Electromagnetics Research, Vol. 130, 85-104, 2012
doi:10.2528/PIER12053012
Abstract
The higher order method of moments (HMOM) has been proposed to calculate the bistatic scattering from two-dimensional (2D) perfectly electric conducting (PEC) rough surface in this paper. The electric field integral equation (EFIE) is solved through the HMOM with the hierarchical higher order basis functions which are the modified Legendre polynomials. The non-uniform rational B-spline (NURBS) surface is applied to model the plane surface related to the rough surface. Validity of this approach is shown by comparing the bistatic scattering coefficient (BSC) to that of lower order MOM (LMOM) with the Rao-Wilton-Glisson (RWG) or rooftop basis function. This approach has fewer segments in the parametric directions than the LMOM with rooftop basis, and is more efficient for the fewer unknowns and requires less memory than the LMOM with RWG basis. Properties of EM scattering from a 2D Gaussian rough surface are also exhibited and analyzed.
Citation
Anqi Wang, Li-Xin Guo, Yi-Wen Wei, and Jing Ma, "Higher Order Method of Moments for Bistatic Scattering from 2D PEC Rough Surface with Geometric Modeling by NURBS Surface," Progress In Electromagnetics Research, Vol. 130, 85-104, 2012.
doi:10.2528/PIER12053012
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