A fast calculation of impedances of dipoles near cylindrical structure by applying asymptotic waveform evaluation in a spectrum of 2D solutions

被引：1

作者：

Yang, J ^{[1
]}

Kildal, PS ^{[1
]}

机构：

[1] Chalmers Univ Technol, Dept Electromagnet, S-41296 Gothenburg, Sweden

来源：

MICROWAVE AND OPTICAL TECHNOLOGY LETTERS | 2004年 / 43卷 / 04期

关键词：

spectrum of 2D solutions (S2DS); G2DMULT; near fields asymptotic waveform evaluation (AWE); method of moments (MoM); impedance;

D O I：

10.1002/mop.20455

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

A spectrum of 2D solutions (S2DS) applies the Fourier transform to 3D currents in the uniform direction of a 2D cylindrical structure to arrive into a spectral-domain problem which can be solved by 2D spatial techniques. In order to calculate the near fields that are needed for the calculation of impedance, the inverse Fourier transform must be performed. This usually requires a large number of 2D solutions in the spectral domain. By, using the asymptotic waveform evaluation (AWE) method in S2DS, the inverse Fourier transform call be performed very efficiently, with only several 2D solutions in the spectral domain. This paper presents the fast calculation of the impedance of a dipole in the vicinity of a 2D cylindrical structure. The cases presented in this paper show that the calculation is accelerated seven times more than by using the direct S2DS method. (C) 2004 Wiley Periodicals. Inc.

引用

页码：314 / 317

页数：4

共 24 条

[1]

Chiprout E., 1994, ASYMPTOTIC WAVEFORM

[2] TRANSVERSE RADIATION-PATTERN OF A SLOTTED WAVE-GUIDE ARRAY RADIATING BETWEEN FINITE HEIGHT BAFFLES IN TERMS OF A SPECTRUM OF 2-DIMENSIONAL SOLUTIONS [J].

FOROORAGHI, K ;

KILDAL, PS .

IEE PROCEEDINGS-H MICROWAVES ANTENNAS AND PROPAGATION, 1993, 140 (01) :52-58

[3] ADMITTANCE OF AN ISOLATED WAVE-GUIDE-FED SLOT RADIATING BETWEEN BAFFLES USING A SPECTRUM OF 2-DIMENSIONAL SOLUTIONS [J].

FOROORAGHI, K ;

KILDAL, PS .

IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION, 1993, 41 (04) :422-428

[4] CALCULATION OF EXTERNAL APERTURE ADMITTANCE AND RADIATION-PATTERN OF A NARROW SLOT CUT ACROSS AN EDGE OF A SECTORAL CYLINDER IN TERMS OF A SPECTRUM OF 2-DIMENSIONAL SOLUTIONS [J].

HIROKAWA, J ;

WETTERGREN, J ;

KILDAL, PS ;

ANDO, M ;

GOTO, N .

IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION, 1994, 42 (09) :1243-1249

[5]

Kildal PS, 2003, APPL COMPUT ELECTROM, V18, P32

[6] Analysis of nearly cylindrical antennas and scattering problems using a spectrum of two-dimensional solutions [J].

Kildal, PS ;

Rengarajan, S ;

Moldsvor, A .

IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION, 1996, 44 (08) :1183-1192

[7]

KILDAL PS, 1999, P IEEE ANT PROP SOC, P2200

[8]

Kishk A. A., 1999, Applied Computational Electromagnetics Society Journal, V14, P17

[9] STABILITY OF MATRIX EQUATIONS ARISING IN ELECTROMAGNETICS [J].

KLEIN, C ;

MITTRA, R .

IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION, 1973, AP21 (06) :902-905

[10]

MAUTZ JR, 1980, AEU-ARCH ELEKTRON UB, V34, P377

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