MAS Pole Location and Effective Spatial Bandwidth of the Scattered Field

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IEEE Transactions on Antennas and Propagation, ISSN: 0018-926X, Vol: 58, Issue: 11, Page: 3610-3615

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James E. Richie
Institute of Electrical and Electronics Engineers (IEEE); Institute of Electrical and Electronics Engineers; e-Publications@Marquette
Engineering; Physics and Astronomy; Boundary Value Problems; Electromagnetic Scattering; Computer Engineering; Electrical and Computer Engineering
article description
The concept of effective spatial bandwidth (EBW) is introduced for periodic domains. The EBW is applied to the incident and scattered fields along the boundary of an infinite circular cylinder. The scattered field is formulated using the method of auxiliary sources (MAS). In MAS, monopoles on an auxiliary surface (AS) are used to model the scattered field. It is shown that the EBW of the incident field can provide some insight regarding the placement of poles for the MAS scattered field model. Example simulations are provided to demonstrate the usefulness of EBW with respect to monopole placement rules in MAS. © 2010 IEEE.