Validation of the hybrid quasi-static/full-wave method for capacitively loaded thin-wire antennas

Author

Olsen, Robert G. ; Mannikko, Paul D.

Author_Institution

Dept. of Electr. & Comput. Eng., Washington State Univ., Pullman, WA, USA

Volume

38

Issue

4

fYear

1990

fDate

4/1/1990 12:00:00 AM

Firstpage

516

Lastpage

522

Abstract

A hybrid method in which quasi-static and full-wave integral equations are combined was developed by R.G. Olson et al. (see ibid., vol.36, p.1180-1184, Aug. 1988). Using point colocation, the method is implemented here for axially symmetric problems containing thin wires in the full-wave region and conductors and/or dielectrics in electrically small regions. The method is validated by comparing the predicted input admittances with measured results for capacitor-loaded antennas. The method is shown to be a significant improvement over thin-wire codes in which the electrically small region is replaced with an equivalent lumped load. The improvement is especially apparent in cases for which a detailed knowledge of the field in the electrically small region is needed

Keywords

antenna theory; electric admittance; integral equations; axially symmetric problems; capacitively loaded thin-wire antennas; electrically small region; full-wave integral equations; hybrid method; input admittance; monopole antenna; point colocation; quasi-static integral equations; Antenna measurements; Conductors; Dielectric measurements; Electromagnetic scattering; Geometry; Helium; Integral equations; Loaded antennas; Magnetic field measurement; Wires;

fLanguage

English

Journal_Title

Antennas and Propagation, IEEE Transactions on

Publisher

ieee

ISSN

0018-926X

Type

jour

DOI

10.1109/8.52270

Filename

52270