Generation of conical patterns from circular patch antennas and their performance
Abstract
The input and radiation characteristics of circular microstrip antennas operated at higher order modes to generate conical patterns are studied. The effects of varying the substrate parameters on characteristics such as radiation pattern, directivity, bandwidth, efficiency and location of the feedpoint to match a 50 ohm line are investigated. Also, a multifeed technique to operate the antenna at any particular higher order mode is proposed. Successful experiments have used this technique to operate the antenna at the desired higher order modes and the experimental results are in close agreement with the theoretical analysis.
- Publication:
-
Canadian Electrical Engineering Journal
- Pub Date:
- July 1985
- Bibcode:
- 1985CEEJ...10..108K
- Keywords:
-
- Antenna Radiation Patterns;
- Microwave Antennas;
- Antenna Feeds;
- Bandwidth;
- Directivity;
- Microstrip Antennas;
- Transverse Waves;
- Communications and Radar