Referenced Items are not available for this document.
A theoretical analysis of a ridged circular patch microstrip antenna element is presented by modelling it as a cylindrical cavity with a magnetic wall along its edge. The approach is based on conserving the reaction at the ridged position. This antenna, excited in the dominant mode, resonates at higher frequencies and has a wider bandwidth than a simple conventional circular patch antenna with the same size. Design graphs show the variation of the resonant frequency, quality factor, radiation efficiency, feeding position at resonance and bandwidth (VSWR ⩽2), for the dominant mode as a function of the ratio of inner to outer-disc radius for different ridge thicknesses
Published in:
Microwaves, Antennas and Propagation, IEE Proceedings
(Volume:148
,
Issue:
3
)
Date of Publication: Jun 2001
- Page(s):
- 213 - 217
- ISSN :
- 1350-2417
- INSPEC Accession Number:
- 7029869
- Digital Object Identifier :
- 10.1049/ip-map:20010423
- Product Type:
- Journals & Magazines
- Date of Current Version :
- 07 August 2002
- Issue Date :
- Jun 2001
- Sponsored by :
- IET
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