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Multiple sweep method of moments analysis of electromagnetic scattering from 3D targets on ocean-like rough surfaces.

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Title: Multiple sweep method of moments analysis of electromagnetic scattering from 3D targets on ocean-like rough surfaces.
Authors: Çolak, D.1, Burkholder, R. J.1, Newman, E. H.1
Source: Microwave & Optical Technology Letters. Jan2007, Vol. 49 Issue 1, p241-247. 7p. 3 Diagrams, 6 Graphs.
Subjects: Iterative methods (Mathematics), Moments method (Statistics), Electromagnetic devices, Electromagnets, Mathematical statistics
Abstract: This paper presents the multiple sweep method of moments (MSMM) analysis of electromagnetic (EM) scattering from three dimensional (3D) targets on ocean-like rough surfaces. The MSMM is a recursive method for solving the large matrix equations which arise in the method of moments (MoM) analysis of electrically large bodies. In the MSMM, the body is split into P sections and the currents on these sections are found in a sequential downrange-uprange fashion. The first sweep includes the dominant scattering mechanisms and each subsequent sweep includes higher order mechanisms. The results obtained from this study demonstrate that the MSMM is a very reliable and efficient tool for the analysis of this class of problems. The numerical results yield insight into electromagnetic scattering mechanisms associated with a 3D target on a rough surface, and provide accurate and robust reference solutions for more approximate techniques which can handle larger geometries more efficiently. © 2006 Wiley Periodicals, Inc. Microwave Opt Technol Lett 49: 241–247, 2007; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.22074 [ABSTRACT FROM AUTHOR]
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Database: Engineering Source
Description
Abstract:This paper presents the multiple sweep method of moments (MSMM) analysis of electromagnetic (EM) scattering from three dimensional (3D) targets on ocean-like rough surfaces. The MSMM is a recursive method for solving the large matrix equations which arise in the method of moments (MoM) analysis of electrically large bodies. In the MSMM, the body is split into P sections and the currents on these sections are found in a sequential downrange-uprange fashion. The first sweep includes the dominant scattering mechanisms and each subsequent sweep includes higher order mechanisms. The results obtained from this study demonstrate that the MSMM is a very reliable and efficient tool for the analysis of this class of problems. The numerical results yield insight into electromagnetic scattering mechanisms associated with a 3D target on a rough surface, and provide accurate and robust reference solutions for more approximate techniques which can handle larger geometries more efficiently. © 2006 Wiley Periodicals, Inc. Microwave Opt Technol Lett 49: 241–247, 2007; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.22074 [ABSTRACT FROM AUTHOR]
ISSN:08952477
DOI:10.1002/mop.22074