✦ LIBER ✦

Moment method analysis of circularly polarized microstrip antenna with parasitic element

✍ Scribed by Au, T.-M. ;Luk, K.-M. ;Lee, K.-F.

Publisher: John Wiley and Sons
Year: 1993
Tongue: English
Weight: 515 KB
Volume: 3
Category: Article
ISSN: 1050-1827
DOI: 10.1002/mmce.4570030413

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✦ Synopsis

Abstract

The circular polarization characteristics of stacked microstrip antennas with a single coaxial feed are analyzed by the method of moments. Green's functions for the patch currents are formulated in the spectral domain. Galerkin's method is employed to determine the input impedance, far‐field patterns, impedance bandwidth, beamwidth, and axial‐ratio bandwidth. The possibility of improving the axial‐ratio bandwidth of the microstrip antenna is demonstrated. Numerical data are obtained to compare with the experimental data available in the literature. © 1993 John Wiley & Sons, Inc.

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