Improvement of the accuracy in FDTD analysis of printed rectangular antennas by using quasi-static approximation

Author

Arima, Takuji ; Uno, Tom ; Takahashi, Masaharu

Author_Institution

Fac. of Enginering, Tokyo Univ. of Agric. & Technol., Japan

fYear

2003

fDate

Oct. 28 2003-Nov. 1 2003

Firstpage

726

Lastpage

729

Abstract

In this paper, the improvement of FDTD calculation accuracy for printed antennas is proposed. The quasi-static approximation of electromagnetic field was incorporated into the FDTD update equation by using the integral form of the Faraday´s law. A few examples of the printed antennas were analyzed by using the proposed method, and the significant improvement of the calculation accuracy has been achieved even if the same cell size as original FDTD is used. Furthermore, the validity of proposed method for antenna sets incline for FDTD cell is also indicated.

Keywords

approximation theory; dielectric materials; electromagnetic fields; finite difference time-domain analysis; integral equations; microstrip antennas; substrates; FDTD calculation accuracy; Faraday law; electromagnetic field; printed rectangular antennas; quasi-static approximation; Conductors; Dielectric substrates; Electromagnetic fields; Finite difference methods; Green function; Legged locomotion; Numerical simulation; Patch antennas; Strips; 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.2003.1276789

Filename

1276789