Green's function based equivalent circuits for connected arrays in transmission and in reception

D. Cavallo, A. Neto, G. Gerini

Research output: Contribution to journalArticleAcademicpeer-review

25 Citations (Scopus)
2 Downloads (Pure)

Abstract

Connected arrays constitute the only family of antenna arrays for which the spectral Green's Functions have been derived analytically. This formalism is extended here to the receiving case. When the arrays are assumed to be infinitely extended and periodically excited, rigorous equivalent networks can be derived to represent the electromagnetic field distribution in transmission and/or reception. These equivalent networks are based on Green's functions, thus each components can be associated with a specific physical wave mechanism. Moreover, all components are evaluated analytically. The total power transmitted, received and/or scattered by a connected array with and without backing reflector is discussed. The full efficiency of an array with backing reflector is demonstrated and explained. Finally, measurements from a dual-band connected array prototype validate the equivalent circuit representation.
Original languageEnglish
Pages (from-to)1535-1545
Number of pages11
JournalIEEE Transactions on Antennas and Propagation
Volume59
Issue number5
DOIs
Publication statusPublished - 2011

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