1. [1] H.M. Chen, Y.K. Wang, Y.F. Lin, C.Y. Lin, and S.C. Pan, “Microstrip fed circularly polarized square ring patch antenna for GPS application,” IEEE Trans. Antennas Propag., vol.57, no.4, pp.1264-1267, April 2009.
2. Full-wave design and optimization of circular waveguide polarizers with elliptical irises
3. [3] T. Fukusako, K. Okuhata, K. Yanagawa, and N. Mita, “Generation of circular polarization using rectangular waveguide with L-type probe,” IEICE Trans. Commun., vol.E86-B, no.7, pp.2246-2249, July 2003.
4. [4] Y. Suzuki, N. Miyano, and Y. Chiba, “Circularly polarized radiation from single-fed equilateral-triangular microstrip antenna,” Proc. IEE Microw. Antennas Propag., vol.134, pp.194-198, 1987.
5. [5] A.K. Bhattacharyya and L. Shafai, “A wider band microstrip antenna for circular polarization,” IEEE Trans. Antennas Propag., vol.36, no.1, pp.157-163, Jan. 1988.