NDLI: The method of equivalent dipole moments (MEDM) combined with CBFM for the fast and accurate solution of dielectric scattering problems

Content Provider	IEEE Xplore Digital Library
Author	Naeem, M. Maaskant, R. Kant, G.W. Kildal, P. Mittra, R.
Copyright Year	2011
Description	Author affiliation: Netherlands Institute for Radio Astronomy, The Netherlands (Kant, G.W.) \|\| Department of Signals and Systems, Chalmers Univ. of Technology, Sweden (Naeem, M.; Maaskant, R.; Kildal, P.) \|\| EMC Lab, EE Department, Pennsylvania State Univ., USA (Mittra, R.)
Abstract	High-resolution basis functions are employed for accurate modelling of electromagnetic scattering from dielectric objects. It is shown that the field radiated by each of these micro basis functions resembles the dipole field, even in the immediate vicinity of its cubic support. This, in turn, significantly eases the computational burden of generating the off-diagonal elements of the moment matrix. Furthermore, the on-diagonal self-term is known analytically and only governed by the electrostatic field (electrodynamic part is negligible). This method has been hybridised with the Characteristic Basis Function Method (CBFM) and the Adaptive Cross Approximation (ACA) algorithm to reduce both the size and generation time of the moment matrix equation. It is demonstrated that the proposed method, herein referred to as MEDM, is not only fast and memory efficient but it also generates an accurate solution of scattering problems associated with complex-shaped, thin and electrically large objects.
Starting Page	1013
Ending Page	1016
File Size	475625
Page Count	4
File Format	PDF
ISBN	9781612849768
e-ISBN	9781612849782
DOI	10.1109/ICEAA.2011.6046482
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-09-12
Publisher Place	Italy
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Electromagnetic scattering Dielectrics Electronic mail Moment methods Equations Manganese
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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