Title :
Circular-polarized hemispherical dielectric resonator antenna excited by dual conformal-strip
Author :
Ng, H.K. ; Leung, K.W.
Author_Institution :
Dept. of Electron. Eng., City Univ. of Hong Kong, Kowloon, China
Abstract :
The circularly polarized (CP) hemispherical dielectric resonator antenna (DRA) is excited by two conformal strips with 90° phase difference. More than 20% of the 3-dB axial ratio bandwidth is obtained. Good agreement between theory and experiment is observed.
Keywords :
antenna feeds; dielectric resonator antennas; electromagnetic wave polarisation; 3-dB axial ratio bandwidth; circular-polarized hemispherical dielectric resonator antenna; dielectric constant; dual conformal strip feed; dual conformal-strip; Antenna theory; Bandwidth; Dielectric losses; Dielectric resonator antennas; Drilling; Feeds; Polarization; Strips; Transmitters; Wireless communication;
Conference_Titel :
Antennas and Propagation Society International Symposium, 2002. IEEE
Print_ISBN :
0-7803-7330-8
DOI :
10.1109/APS.2002.1018247
