DocumentCode
1304504
Title
Dual-loop slot array antenna radiating circularly polarised wave
Author
Hirose, Keikichi ; Horiuchi, Hiroyasu ; Nakano, Hisamatsu
Author_Institution
Coll. of Eng., Hosei Univ., Tokyo, Japan
Volume
26
Issue
3
fYear
1990
Firstpage
179
Lastpage
180
Abstract
An array antenna consisting of dual-loop slot elements with a simple feeding system is realised. Each dual-loop element has two loop slots that are simultaneously fed by a single triplate transmission line. A narrowed beam, of circular polarisation, with an axial ratio of less than 3 dB, is obtained over a 3% bandwidth. The measured radiation pattern agrees well with a pattern calculated using array theory.
Keywords
antenna radiation patterns; antenna theory; directive antennas; microwave antenna arrays; polarisation; array antenna radiating circularly polarised wave; array theory; axial ratio; bandwidth; circular polarisation; dual-loop slot elements; narrowed beam; radiation pattern; simple feeding system; single triplate transmission line; two loop slots;
fLanguage
English
Journal_Title
Electronics Letters
Publisher
iet
ISSN
0013-5194
Type
jour
DOI
10.1049/el:19900121
Filename
82539
Link To Document