Paper Abstract and Keywords |
Presentation |
2007-03-09 15:40
Application of the Locality Principle in the Method of Moments for Induced Currents or Fields in Electrically Large Scattering Problems Tetsu Shijo, Masayuki Oishi, Yoichi Katakai, Nobutaka Omaki, Koji Yukimasa, Luis Rodriguez, Makoto Ando (Tokyo Inst. of Tech.) AP2006-169 |
Abstract |
(in Japanese) |
(See Japanese page) |
(in English) |
The computational cost reduction in the Method of Moments (MoM) is proposed in terms of the locality principle which is the concept of the high frequency approximation techniques. In terms of locality, this article is focused in two types; the first is related with the currents such as the Physical Optics (PO) and the other for the fields like the Geometrical Theory of Diffraction (GTD). Former locality leads to the novel criterion of the switching between the PO region and the MoM region in the PO-MoM hybrid method, which is based upon the Fresnel zone number. By the use of the later locality, the scattering field is given by solving the currents not on the entire region but on the local areas which correspond near the inner and edge stationary phase points as is defined in the GTD. Finally, hybrid method utilized each proposed locality properties which increases effectiveness due to complement each other. |
Keyword |
(in Japanese) |
(See Japanese page) |
(in English) |
Method of Moments / Physical Optics / Geometrical Theory of Diffraction / Radar cross section / / / / |
Reference Info. |
IEICE Tech. Rep., vol. 106, no. 561, AP2006-169, pp. 109-112, March 2007. |
Paper # |
AP2006-169 |
Date of Issue |
2007-03-01 (AP) |
ISSN |
Print edition: ISSN 0913-5685 Online edition: ISSN 2432-6380 |
Copyright and reproduction |
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AP2006-169 |
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