It is well-known that the choice of the auxiliary surface and the arrangement of radiation centers play a decisive role for ensuring accuracy and stability of the method of auxiliary sources (MAS). Using level set technique, a numerical scheme is proposed to determine the optimal location and amplitudes of the auxiliary sources for three-dimensional scattering problems.
"Numerical Optimization of the Method of Auxiliary Sources by Using Level Set Technique," Progress In Electromagnetics Research B,
Vol. 33, 203-219, 2011. doi:10.2528/PIERB11060505
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