Title :
Slotted waveguide array antenna covered by a dielectric slab with a post-wall cavity
Author :
Yamaguchi, Satoshi ; Aramaki, Yoji ; Takahashi, Toru ; Otsuka, Masataka ; Konishi, Yoshihiko
Author_Institution :
Mitsubishi Electr. Corp., Kamakura, Japan
Abstract :
In this paper, we propose a slotted waveguide array antenna covered by a dielectric slab with a post-wall cavity. The impedance matching of a resonant series slot array antenna based on a standing wave excitation can be easily achieved. Moreover, it is shown that the pattern shape of the proposed antenna is greatly improved and the directivity is enhanced by using the post-wall cavity.
Keywords :
dielectric materials; directive antennas; impedance matching; slot antenna arrays; waveguide antenna arrays; dielectric slab; impedance matching; pattern shape; post-wall cavity; resonant series slot array antenna; slotted waveguide array antenna; standing wave excitation; Antenna arrays; Arrays; Dielectrics; Electromagnetic waveguides; Impedance; Slabs; Slot antennas;
Conference_Titel :
Antennas and Propagation Society International Symposium (APSURSI), 2012 IEEE
Conference_Location :
Chicago, IL
Print_ISBN :
978-1-4673-0461-0
DOI :
10.1109/APS.2012.6348977
