Title :
Stepped cavity-fed microstrip array antenna
Author :
Jassim, A.M. ; Hristov, H.D.
Author_Institution :
Dept. of Radiotech., Tech. Univ. of Varna, Bulgaria
fDate :
June 28 1993-July 2 1993
Abstract :
A microstrip patch array antenna of aperture 5/spl lambda//sub o//spl times/5/spl lambda//sub o/ is fed by a stepped rectangular cavity resonator through coupling slots etched on its ground plane. The cavity consists of two parts having different transverse dimensions and the same lengths of about /spl lambda//sub o//2. It is excited by a standard waveguide through a slot on it front-end wall. The antenna is analyzed using the cavity mode method. For a particular antenna design, the near- and far-fields are measured and the results are in good agreement with the antenna analysis.<>
Keywords :
antenna feeds; antenna radiation patterns; cavity resonators; microstrip antenna arrays; slot antenna arrays; cavity-fed microstrip array antenna; coupling slots; far-fields; near-fields; stepped rectangular cavity resonator; Antenna accessories; Antenna measurements; Aperture antennas; Aperture coupled antennas; Cavity resonators; Etching; Microstrip antenna arrays; Microstrip antennas; Microstrip resonators; Slot antennas;
Conference_Titel :
Antennas and Propagation Society International Symposium, 1993. AP-S. Digest
Conference_Location :
Ann Arbor, MI, USA
Print_ISBN :
0-7803-1246-5
DOI :
10.1109/APS.1993.385126
