High accuracy FDTD analysis of short dipole antenna by utilizing a quasi-static approximation

Author

Pongpaibool, Pornanong ; Uno, Toru ; Sato, Hiroyuki

Author_Institution

Fculty of Eng., Tokyo Univ. of Agric. & Technol., Japan

fYear

2003

fDate

Oct. 28 2003-Nov. 1 2003

Firstpage

703

Lastpage

706

Abstract

This paper proposes a technique for improving the accuracy of the finite difference time domain (FDTD) method for an analysis of a short dipole antenna. The improvement is achieved by incorporating a quasi-static field behavior into the FDTD update equations of both Faraday´s and Ampere´s laws. A closed form of the quasi-static field is obtained from a low frequency limit of a sinusoidal current distribution. The effectiveness of the modified algorithm is tested by comparing the results with the method of moment (MoM).

Keywords

approximation theory; current distribution; dipole antennas; finite difference time-domain analysis; method of moments; Ampere law; Faraday law; finite difference time domain method; method of moment; quasi-static approximation; short dipole antenna; sinusoidal current distribution; Current distribution; Dipole antennas; Electromagnetic fields; Finite difference methods; Frequency; Integral equations; Magnetic fields; Message-oriented middleware; Moment methods; Time domain analysis;

fLanguage

English

Publisher

ieee

Conference_Titel

Antennas, Propagation and EM Theory, 2003. Proceedings. 2003 6th International SYmposium on

Conference_Location

Beijing, China

Print_ISBN

0-7803-7831-8

Type

conf

DOI

10.1109/ISAPE.2003.1276784

Filename

1276784