NDLI: Truncation effects in connected arrays: Analytical models to describe the edge-induced wave phenomena

Content Provider	IEEE Xplore Digital Library
Author	Neto, A. Cavallo, D. Gerini, G.
Copyright Year	2011
Description	Author affiliation: Telecommunication Department, EEMCS Faculty, Delft University of Technology, 2628 CD, Netherlands (Neto, A.) \|\| TNO, Defense, Security and Safety, 2597 AK Den Haag, Netherlands (Cavallo, D.; Gerini, G.)
Abstract	This paper presents a Green's function based procedure to assess edge effects in finite wideband connected arrays. Truncation effects are more severe in broadband arrays, since the inter-element mutual coupling facilitates the propagation of edge-born waves that can become dominant over large portions of the arrays. As a consequence, the overall behavior of a finite wide band array can be dramatically different with respect to the designs based on infinite array analysis. Here, we first rigorously derive the electric current distribution on the finite connected array with an efficient numerical solution. Later on, the introduction of a few simplifying assumptions allows the derivation of an analytical approximation for the current distribution. This latter provides meaningful insights in the induced dominant edge-wave phenomena.
Starting Page	1992
Ending Page	1995
File Size	180330
Page Count	4
File Format	PDF
ISBN	9781424495627
ISSN	19471491
e-ISBN	9781424495634
DOI	10.1109/APS.2011.5996896
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-07-03
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Phased arrays Current distribution Integral equations Approximation methods Equations
Content Type	Text
Resource Type	Article

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