Design of an annular-ring microstrip antenna for circular polarization

Chow Yen Desmond Sim, Kuang Woei Lin, Jeen-Sheen Row

研究成果: Conference article

7 引文 斯高帕斯(Scopus)


The design of an annular-ring microstrip antennas for circular polarization (CP) was discussed. For obtaining the CP operation of the annular-strip microstrip antenna, two orthogonal modes with equal amplitude and 90° phase difference were excited simultaneously. In order to excite orthogonal modes, a L-shaped strip was placed between inside the annular ring and its two ends were connected to the orthogonal modes of the inner boundary of the annular ring patch. The resonant frequency of x-polarized mode was higher than that of y-polarized mode, and thus a right-handed CP operation was obtained. The axial ratio of the CP radiation was also measured in the broadside direction.

頁(從 - 到)471-474
期刊IEEE Antennas and Propagation Society, AP-S International Symposium (Digest)
出版狀態Published - 2004 九月 29
事件IEEE Antennas and Propagation Society Symposium 2004 Digest held in Conjunction with: USNC/URSI National Radio Science Meeting - Monterey, CA, United States
持續時間: 2004 六月 202004 六月 25

All Science Journal Classification (ASJC) codes

  • Electrical and Electronic Engineering

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