FDTD analysis of linear antennas driven from a discrete impulse excitation

Author

Zunoubi, M.R. ; Younan, H. Nicolas ; Beggs, J.H. ; Taylor, C.D.

Author_Institution

Center for Comput. Electromagn., Illinois Univ., Urbana, IL, USA

Volume

39

Issue

3

fYear

1997

fDate

8/1/1997 12:00:00 AM

Firstpage

247

Lastpage

250

Abstract

The finite-difference time-domain (FDTD) technique has been employed to analyze a large number of electromagnetic scattering problems. However, only a limited number of problems involving antenna radiation has been investigated. Furthermore, the excitation source of the radiating systems has been mostly a Gaussian type pulse. The concept of a discrete impulse excitation is developed and used to feed linear antennas and other radiating systems. Different cases of antenna analysis are considered to illustrate the applicability of the impulse excitation. Furthermore, a comparison with the method of moments as well as the FDTD technique with Gaussian type pulse excitations is made to validate the presented technique

Keywords

Gaussian processes; antenna radiation patterns; dipole antennas; electromagnetic pulse; finite difference time-domain analysis; linear antennas; wire antennas; FDTD analysis; Gaussian type pulse excitation; antenna analysis; antenna radiation; dipole antenna; discrete impulse excitation; electromagnetic scattering problems; excitation source; finite difference time domain; linear antennas; method of moments; radiating systems; wire antenna; Boundary conditions; Deconvolution; Electromagnetic analysis; Electromagnetic scattering; Feeds; Finite difference methods; Frequency response; Magnetic fields; Stability; Time domain analysis;

fLanguage

English

Journal_Title

Electromagnetic Compatibility, IEEE Transactions on

Publisher

ieee

ISSN

0018-9375

Type

jour

DOI

10.1109/15.618053

Filename

618053