NDLI: Fast calculation of radiation patterns of antennas with cylindrical structure by applying asymptotic waveform evaluation in a spectrum of two-dimensional solutions

Content Provider	IEEE Xplore Digital Library
Author	Jian Yang Kildal, P.-S.
Copyright Year	2003
Description	Author affiliation: Dept. of Electromagn., Chalmers Univ. of Technol., Gothenburg, Sweden (Jian Yang; Kildal, P.-S.)
Abstract	When calculating the radiation from 3D excitation elements in the vicinity of 2D cylindrical structures, or scattering from 2D cylindrical structures with oblique plane wave incident, it is very efficient to use a spectrum of 2D solutions (S2DS) (P.-S. Kildal et al., IEEE Trans. Antennas and Propagat., vol. AP-44, pp. 1183-1192, 1996). A large number of antennas can be modeled as 2D cylindrical structures with 3D excitation elements. This paper presents a fast algorithm for calculating the elevation radiation pattern by using asymptotic waveform evaluation (AWE) in S2DS, which has been implemented in G2DMULT. G2DMULT is a general algorithm based on the S2DS technique that calculates the spectral Green's functions of 2D multiregion structures by using the method of moment (MoM) (P.-S Kildal, Proc. 1999 IEEE Antennas Propagat. Soc. Symp, pp. 2200-2203, 1999). By using this fast algorithm, only a few 2D solutions are needed in order to obtain the complete elevation pattern from /spl theta/=0/spl deg/ to 180/spl deg/. For the examples presented in the paper, three 2D solutions are sufficient in order to obtain an accurate representation of the elevation pattern. This represents nearly an order of magnitude faster computation than using the direct method.
Sponsorship	Northrop Grumman, Electron. Syst. Ohio State Univ. Mission Res. Corp. Nat. Sci. Found
Starting Page	823
Ending Page	826
File Size	182407
Page Count	4
File Format	PDF
ISBN	0780378466
DOI	10.1109/APS.2003.1220399
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2003-06-22
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Electromagnetic scattering Fourier transforms Message-oriented middleware Taylor series Electromagnetic radiation Green's function methods Moment methods Equations
Content Type	Text
Resource Type	Article

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