Radiation modes in circular patch antennas
β Scribed by How, H.; Vittoria, C.
- Book ID
- 114551959
- Publisher
- IEEE
- Year
- 1994
- Tongue
- English
- Weight
- 551 KB
- Volume
- 42
- Category
- Article
- ISSN
- 0018-9480
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The performance of circular microstrip patch antennas is presented where the conducting patch and ground plane are constructed from a grid. Impro¨ed cross polarization, mode suppression, and bandwidth are possible, but are accompanied by lower gain and reduced front-to-back ratios. A computer simula
## Abstract A singleβfeed TM~21~βmode circular patch antenna with circular polarization (CP) is proposed and investigated. The operating condition for CP in the antenna is theoretically determined and experimentally validated. An impedance bandwidth of 10% (SWR β€ 2) and an axial ratio bandwidth of