Inverse source problem in the spheroidal geometry: Vector formulation

Johan C.-E. Stén, Edwin A. Marengo

Research output: Contribution to journalArticleScientificpeer-review

7 Citations (Scopus)


A formulation based on Lagrangian optimization and spheroidal vector wave functions is presented for the vector electromagnetic inverse source problem of deducing a time-harmonic current distribution that is confined within a spheroidal volume, that generates a prescribed radiation field, and that is subject to given constraints on the source functional energy, which characterizes antenna current level, and the source's reactive power, which models antenna resonance matching. The paper includes computer simulation results illustrating the derived inverse theory.
Original languageEnglish
Pages (from-to)961-969
JournalIEEE Transactions on Antennas and Propagation
Issue number4
Publication statusPublished - 2008
MoE publication typeA1 Journal article-refereed


  • inverse source problem
  • minimum energy solution
  • reactive power
  • spheroidal wavefunctions


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