NDLI: Fourier Synthesis of Linear Arrays Based on the Generalized Scattering Matrix and Spherical Modes

Content Provider	IEEE Xplore Digital Library
Author	Corcoles, J. Gonzalez, M.A. Rubio, J.
Copyright Year	1963
Abstract	This paper presents a novel, simple pattern synthesis procedure for linear equispaced arrays which can be characterized by a generalized scattering matrix (GSM) and whose radiated field can be expressed as a weighted sum of shifted spherical waves. It can be viewed as an extension of the classic design techniques of the Fourier series (FS) method or the Woodward-Lawson frequency sampling method, to the case in which the individual antenna elements' patterns and all interelement couplings are taken into account. The design procedure, which yields the excitations needed to achieve the desired pattern, is based on either the FS or the discrete Fourier transform (DFT) of the spherical mode expansion of the array radiated field, as well as on various properties associated to the FS or DFT coefficients. In this work, to compute the GSM of the array and the spherical mode expansion of the field, a validated hybrid full-wave methodology, based on the finite element method and rotation and translation properties of spherical waves, is used. Numerical results of different synthesized array patterns are presented for different arrays made up of dielectric resonator antennas and cavity-backed microstrip circular patches.
Sponsorship	IEEE Antennas and Propagation Society
Starting Page	1944
Ending Page	1951
Page Count	8
File Size	808643
File Format	PDF
ISSN	0018926X
Volume Number	57
Issue Number	7
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-07-01
Publisher Place	U.S.A.
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Scattering Microstrip antenna arrays Discrete Fourier transforms Transmission line matrix methods GSM Dielectric resonator antennas Microstrip antennas Fourier series Frequency Sampling methods scattering matrices Antenna array mutual coupling discrete Fourier transforms (DFT) finite element methods linear arrays spherical mode expansion
Content Type	Text
Resource Type	Article
Subject	Condensed Matter Physics Electrical and Electronic Engineering

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