Conference Paper

A loop-tree basis for metallic surfaces connected to wires

Antennas & EMC Lab., Politec. di Torino, Torino, Italy
DOI: 10.1109/APS.2009.5172025 Conference: Antennas and Propagation Society International Symposium, 2009. APSURSI '09. IEEE
Source: IEEE Xplore

ABSTRACT

This paper demonstrates an automatic, low-complexity scheme to extract the loop and tree bases from the mesh of complex wire-surface structures, either free-standing or connected to an infinite ground plane. The algorithm is based on graph theory, and is able to handle completely arbitrary wire-surface structures without a priori information on its topological complexity. The presented approach is directly applicable to existing codes that utilize the junction basis previously proposed. To check the performance of the proposed basis, a planar inverted-F antenna is analyzed, in order to demonstrate the numerical behavior of the proposed loop-tree basis.

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