SINGLE-REFLECTOR-TYPE WIDE BEAM-SPACING MULTIBEAM ANTENNAS

Citation
I. Naito et al., SINGLE-REFLECTOR-TYPE WIDE BEAM-SPACING MULTIBEAM ANTENNAS, Electronics & communications in Japan. Part 1, Communications, 78(6), 1995, pp. 68-81
Citations number
13
Categorie Soggetti
Engineering, Eletrical & Electronic",Telecommunications
ISSN journal
87566621
Volume
78
Issue
6
Year of publication
1995
Pages
68 - 81
Database
ISI
SICI code
8756-6621(1995)78:6<68:SWBMA>2.0.ZU;2-W
Abstract
Japanese commercial communications satellites (CSs), which are 50 to 6 0 degrees from the Japanese broadcasting satellite (BS), have begun di rect broadcasting service, Simultaneous reception of broadcasting from CSs and BS requires a multibeam antenna with wide beam-spacing. An op timum reflector for a single-reflector-type wide beam-spacing multibea m antenna is presented on the basis of wave aberration analysis of def ocus-fed reflector without restrictions on reflector symmetry and feed displacement amount.