A regularized multi-layered green's function

The Green's function of the background medium is the kernel of the integral equation (IE), and it diverges when observation and source points coincide; this is the origin of difficulties in accurately computing the entries of the Method of Moments (MoM) matrix. The basic idea of this work is to...

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Bibliographic Details
Main Authors: Vipiana, F., Polemi, A., Maci, S., Vecchi, G.
Format: Conference Proceeding
Language:English
Subjects:
Convergence
Integral equations
Kernel
Moment methods
Patch antennas
Scattering
Three dimensional displays
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Summary:The Green's function of the background medium is the kernel of the integral equation (IE), and it diverges when observation and source points coincide; this is the origin of difficulties in accurately computing the entries of the Method of Moments (MoM) matrix. The basic idea of this work is to eliminate the Green's function singularity, without affecting the stability and the accuracy of the integrals, through a proper windowing of the employed Green's function spectrum.
ISSN:1522-3965
1947-1491
DOI:10.1109/APS.2008.4620015