Low-frequency stabilizing schemes for electromagnetic radiation and scattering in terms of the electric field integral equation and paradigms for the reconstruction of equivalent sources from measurements are presented. The stabilizing schemes enable the handling of arbitrary excitations without a-priori information or ad-hoc adaptions. Moreover, a quasi-Helmholtz decomposition for a B-spline based discretization is derived. For spherical near-field far-field transformations, it is shown how compressed sensing can be applied reliably to reduce the number of samples.
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Low-frequency stabilizing schemes for electromagnetic radiation and scattering in terms of the electric field integral equation and paradigms for the reconstruction of equivalent sources from measurements are presented. The stabilizing schemes enable the handling of arbitrary excitations without a-priori information or ad-hoc adaptions. Moreover, a quasi-Helmholtz decomposition for a B-spline based discretization is derived. For spherical near-field far-field transformations, it is shown how com...
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