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While the formulation of integral equations via the use of Green's functions is a well-established technique, it has been recognized that this formulation suffers from certain deficiencies. Some of these include low-frequency breakdown; need for special treatment of singularities of the ii-field representation in terms of the Green's function; lack of a universal formulation for handling perfect electric...
The paper presents a new dipole-moment-based approach for formulating MoM-type problems. The method is universal in nature and it applies equally well to PEC and dielectric objects. The dipole moment (DM) formulation neither suffers from the singularity problem associated with the Green's functions, nor does it experience any difficulties at low frequencies, as do the conventional MoM formulations.
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