Title :
Linear dielectric resonator antenna array fed by dielectric image line
Author :
Al-Zoubi, Asem ; Kishk, Ahmed ; Glisson, Allen W.
Author_Institution :
Dept. of Electr. Eng., Mississippi Univ., Oxford, MS
Abstract :
A linear dielectric resonator antenna array fed by dielectric image line is presented. The effective dielectric constant method is used to approximate the coupling between the DIL and the DRAs. A Dolph-Chebyshev amplitude distribution was used to control the sidelobe level of the array radiation pattern. The cross polarization is suppressed by inserting a metal sheet at the center of the DRA or by inserting a microstrip line around the DRA at the center.
Keywords :
antenna radiation patterns; dielectric resonator antennas; electromagnetic wave polarisation; linear antenna arrays; DIL; DRA; Dolph-Chebyshev amplitude distribution; array radiation pattern; cross polarization; dielectric constant method; dielectric image line; linear dielectric resonator antenna array; microstrip line; sidelobe level; Antenna radiation patterns; Dielectric constant; Dielectric losses; Dielectric resonator antennas; Electronics packaging; Feeds; Linear antenna arrays; Microstrip antenna arrays; Microstrip antennas; Polarization;
Conference_Titel :
Antennas and Propagation Society International Symposium, 2008. AP-S 2008. IEEE
Conference_Location :
San Diego, CA
Print_ISBN :
978-1-4244-2041-4
Electronic_ISBN :
978-1-4244-2042-1
DOI :
10.1109/APS.2008.4618987
