NDLI: A hybrid MoM/PO technique with large element PO

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A hybrid MoM/PO technique with large element PO

Content Provider	Semantic Scholar
Author	Nazo, Siyanda
Copyright Year	2012
Abstract	A hybrid MoM/PO technique with large element PO S. Nazo Department of Electrical and Electronic Engineering, University of Stellenbosch, Private Bag X1, Matieland 7602, South Africa. Thesis: MScEng (Elec) March 2012 Radar Cross Section (RCS) is an important parameter in radar engineering. Often, electrically large structures are of interest in RCS analysis due to the high operating frequencies of radar systems. Simulation of these problems can be more e cient than measurement due to the cost associated with measurement. The Method of Moments/Physical Optics (MoM/PO) hybrid method combines the advantages of the MoM and PO, making it suited to solving electrically large problems that may contain some small complex detail. The requirement for high meshing resolution when analysing some electromagnetic problems, however, signi cantly increases memory requirements. As a result, the hybrid MoM/PO becomes computationally expensive for electrically large problems. In this work, a linear phase term is introduced into the RWG basis function formulation of the MoM/PO hybrid. The addition of the linear phase term allows the use of large triangular mesh elements in the PO region, resulting in the analysis of electrically large problems. The bene t of this formulation is that it allows a reduction in computational cost whilst maintaining the accuracy of the hybrid MoM/PO. This improved hybrid is tested on various planar test cases and results show that it attains the same level of accuracy as the original MoM/PO hybrid. ii Stellenbosch University http://scholar.sun.ac.za
File Format	PDF HTM / HTML
Alternate Webpage(s)	https://scholar.sun.ac.za/bitstream/handle/10019.1/20060/nazo_hybrid_2012.pdf;sequence=1
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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