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Microstrip decoupling networks for low-order multi-port arrays with reduced element spacing

Chua, Ping Tyng & Coetzee, Jacob (2005) Microstrip decoupling networks for low-order multi-port arrays with reduced element spacing. Microwave and Optical Technology Letters, 46(6), pp. 592-597.

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    Abstract

    An array of monopole elements with reduced element spacing of λ/6 to λ/20 is considered for application in digital beam-forming and direction-finding. The small element spacing introduces strong mutual coupling between the array elements. This paper discusses that decoupling can be achieved analytically for arrays with three elements and describes Kuroda’s identities to realize the lumped elements of the derived decoupling network. Design procedures and equations are proposed. Experimental results are presented. The decoupled array has a bandwidth of 1% and a superdirective radiation pattern.

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    ID Code: 48948
    Item Type: Journal Article
    Keywords: decoupling network, Kuroda’s identities, superdirective arrays, mutual coupling
    DOI: 10.1002/mop.21060
    ISSN: 0895-2477
    Subjects: Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > ELECTRICAL AND ELECTRONIC ENGINEERING (090600) > Electrical and Electronic Engineering not elsewhere classified (090699)
    Divisions: Current > Schools > School of Electrical Engineering & Computer Science
    Current > QUT Faculties and Divisions > Science & Engineering Faculty
    Copyright Owner: Copyright 2005 Wiley Periodicals, Inc.
    Copyright Statement: The definitive version is available at www3.interscience.wiley.com
    Deposited On: 02 Mar 2012 08:09
    Last Modified: 02 Mar 2012 20:20

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