Synthetic function expansion with multi-grid approach

Valeria Adrian Laza*, Ladislau Matekovits, Giuseppe Vecchi

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference proceeding contribution

2 Citations (Scopus)


A dual-grid scheme for the reduction of the complexity in the full-wave analysis of electrically large and/or complex antennas is addressed. The method starts with the Synthetic Function expansion approach, previously introduced by the authors. Making use of the low pass-filter properties of the Green's function, the distant block interactions could be computed on a coarser grid, reducing the degrees of freedom used for the far field representation. The entire domain basis functions on the coarse grid are obtained by projection of those computed on the dense mesh. As a direct consequence of the proposed scheme, an important reduction in the MoM matrix filling and compression time is achieved, without significantly reducing the accuracy of the final solution on the overall structure.

Original languageEnglish
Title of host publicationProceedings of The European Conference on Antennas and Propagation: EuCAP 2006
Place of PublicationNoordwijk, The Netherlands
PublisherESA Publications Division
Number of pages4
Volume626 SP
ISBN (Print)9290929375, 9789290929376
Publication statusPublished - Oct 2006
Externally publishedYes
EventEuropean Conference on Antennas and Propagation: EuCAP 2006 - Nice, France
Duration: 6 Nov 200610 Nov 2006


OtherEuropean Conference on Antennas and Propagation: EuCAP 2006


  • Integral equation
  • Large complex antennas
  • Method of moments
  • Multi-grid

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