Improvement of the accuracy in FDTD analysis of dipole and square loop antennas by utilizing a quasi-static approximation

Author

Pongpaibool, Pomanong ; Uno, Tom ; Arima, Takuji

Author_Institution

Fac. of Eng., Tokyo Univ. of Agric. & Technol., Koganei, Japan

Volume

1

fYear

2004

fDate

20-25 June 2004

Firstpage

1018

Abstract

This work proposes a technique for improving the accuracy of the finite difference time domain (FDTD) method for a dipole and a square loop antenna analysis. The improvement is achieved by incorporating a quasi-static field behavior into the FDTD update equations. In the case of a dipole antenna, a closed form of the quasi-static field is obtained from a low frequency limit of a sinusoidal current distribution. The effectiveness of the proposed algorithm is confirmed for both dipole and square loop antennas by comparing with the method of moment (MoM).

Keywords

computational electromagnetics; dipole antennas; finite difference time-domain analysis; loop antennas; FDTD analysis accuracy; FDTD update equations; dipole antennas; finite difference time domain method; method of moment; quasistatic approximation; quasistatic field behavior; sinusoidal current distribution low frequency limit; square loop antennas; Current distribution; Dipole antennas; Equations; Finite difference methods; Geometry; Impedance; Magnetic fields; Moment methods; Time domain analysis; Wire;

fLanguage

English

Publisher

ieee

Conference_Titel

Antennas and Propagation Society International Symposium, 2004. IEEE

Print_ISBN

0-7803-8302-8

Type

conf

DOI

10.1109/APS.2004.1329846

Filename

1329846